Annotation of embedaddon/nginx/CHANGES, revision 1.1

1.1     ! misho       1: 
        !             2: Changes with nginx 1.4.3                                         08 Oct 2013
        !             3: 
        !             4:     *) Bugfix: a segmentation fault might occur in a worker process if the
        !             5:        ngx_http_spdy_module was used with the "client_body_in_file_only"
        !             6:        directive.
        !             7: 
        !             8:     *) Bugfix: a segmentation fault might occur on start or during
        !             9:        reconfiguration if the "try_files" directive was used with an empty
        !            10:        parameter.
        !            11: 
        !            12:     *) Bugfix: the $request_time variable did not work in nginx/Windows.
        !            13: 
        !            14:     *) Bugfix: in the ngx_http_auth_basic_module when using "$apr1$"
        !            15:        password encryption method.
        !            16:        Thanks to Markus Linnala.
        !            17: 
        !            18:     *) Bugfix: in the ngx_http_autoindex_module.
        !            19: 
        !            20:     *) Bugfix: in the mail proxy server.
        !            21: 
        !            22: 
        !            23: Changes with nginx 1.4.2                                         17 Jul 2013
        !            24: 
        !            25:     *) Bugfix: the $r->header_in() embedded perl method did not return value
        !            26:        of the "Cookie" and "X-Forwarded-For" request header lines; the bug
        !            27:        had appeared in 1.3.14.
        !            28: 
        !            29:     *) Bugfix: nginx could not be built with the ngx_mail_ssl_module, but
        !            30:        without ngx_http_ssl_module; the bug had appeared in 1.3.14.
        !            31: 
        !            32:     *) Bugfix: in the "proxy_set_body" directive.
        !            33:        Thanks to Lanshun Zhou.
        !            34: 
        !            35:     *) Bugfix: the "fail_timeout" parameter of the "server" directive in the
        !            36:        "upstream" context might not work if "max_fails" parameter was used;
        !            37:        the bug had appeared in 1.3.0.
        !            38: 
        !            39:     *) Bugfix: a segmentation fault might occur in a worker process if the
        !            40:        "ssl_stapling" directive was used.
        !            41:        Thanks to Piotr Sikora.
        !            42: 
        !            43:     *) Bugfix: nginx/Windows might stop accepting connections if several
        !            44:        worker processes were used.
        !            45: 
        !            46: 
        !            47: Changes with nginx 1.4.1                                         07 May 2013
        !            48: 
        !            49:     *) Security: a stack-based buffer overflow might occur in a worker
        !            50:        process while handling a specially crafted request, potentially
        !            51:        resulting in arbitrary code execution (CVE-2013-2028); the bug had
        !            52:        appeared in 1.3.9.
        !            53:        Thanks to Greg MacManus, iSIGHT Partners Labs.
        !            54: 
        !            55: 
        !            56: Changes with nginx 1.4.0                                         24 Apr 2013
        !            57: 
        !            58:     *) Bugfix: nginx could not be built with the ngx_http_perl_module if the
        !            59:        --with-openssl option was used; the bug had appeared in 1.3.16.
        !            60: 
        !            61:     *) Bugfix: in a request body handling in the ngx_http_perl_module; the
        !            62:        bug had appeared in 1.3.9.
        !            63: 
        !            64: 
        !            65: Changes with nginx 1.3.16                                        16 Apr 2013
        !            66: 
        !            67:     *) Bugfix: a segmentation fault might occur in a worker process if
        !            68:        subrequests were used; the bug had appeared in 1.3.9.
        !            69: 
        !            70:     *) Bugfix: the "tcp_nodelay" directive caused an error if a WebSocket
        !            71:        connection was proxied into a unix domain socket.
        !            72: 
        !            73:     *) Bugfix: the $upstream_response_length variable has an incorrect value
        !            74:        "0" if buffering was not used.
        !            75:        Thanks to Piotr Sikora.
        !            76: 
        !            77:     *) Bugfix: in the eventport and /dev/poll methods.
        !            78: 
        !            79: 
        !            80: Changes with nginx 1.3.15                                        26 Mar 2013
        !            81: 
        !            82:     *) Change: opening and closing a connection without sending any data in
        !            83:        it is no longer logged to access_log with error code 400.
        !            84: 
        !            85:     *) Feature: the ngx_http_spdy_module.
        !            86:        Thanks to Automattic for sponsoring this work.
        !            87: 
        !            88:     *) Feature: the "limit_req_status" and "limit_conn_status" directives.
        !            89:        Thanks to Nick Marden.
        !            90: 
        !            91:     *) Feature: the "image_filter_interlace" directive.
        !            92:        Thanks to Ian Babrou.
        !            93: 
        !            94:     *) Feature: $connections_waiting variable in the
        !            95:        ngx_http_stub_status_module.
        !            96: 
        !            97:     *) Feature: the mail proxy module now supports IPv6 backends.
        !            98: 
        !            99:     *) Bugfix: request body might be transmitted incorrectly when retrying a
        !           100:        request to the next upstream server; the bug had appeared in 1.3.9.
        !           101:        Thanks to Piotr Sikora.
        !           102: 
        !           103:     *) Bugfix: in the "client_body_in_file_only" directive; the bug had
        !           104:        appeared in 1.3.9.
        !           105: 
        !           106:     *) Bugfix: responses might hang if subrequests were used and a DNS error
        !           107:        happened during subrequest processing.
        !           108:        Thanks to Lanshun Zhou.
        !           109: 
        !           110:     *) Bugfix: in backend usage accounting.
        !           111: 
        !           112: 
        !           113: Changes with nginx 1.3.14                                        05 Mar 2013
        !           114: 
        !           115:     *) Feature: $connections_active, $connections_reading, and
        !           116:        $connections_writing variables in the ngx_http_stub_status_module.
        !           117: 
        !           118:     *) Feature: support of WebSocket connections in the
        !           119:        ngx_http_uwsgi_module and ngx_http_scgi_module.
        !           120: 
        !           121:     *) Bugfix: in virtual servers handling with SNI.
        !           122: 
        !           123:     *) Bugfix: new sessions were not always stored if the "ssl_session_cache
        !           124:        shared" directive was used and there was no free space in shared
        !           125:        memory.
        !           126:        Thanks to Piotr Sikora.
        !           127: 
        !           128:     *) Bugfix: multiple X-Forwarded-For headers were handled incorrectly.
        !           129:        Thanks to Neal Poole for sponsoring this work.
        !           130: 
        !           131:     *) Bugfix: in the ngx_http_mp4_module.
        !           132:        Thanks to Gernot Vormayr.
        !           133: 
        !           134: 
        !           135: Changes with nginx 1.3.13                                        19 Feb 2013
        !           136: 
        !           137:     *) Change: a compiler with name "cc" is now used by default.
        !           138: 
        !           139:     *) Feature: support for proxying of WebSocket connections.
        !           140:        Thanks to Apcera and CloudBees for sponsoring this work.
        !           141: 
        !           142:     *) Feature: the "auth_basic_user_file" directive supports "{SHA}"
        !           143:        password encryption method.
        !           144:        Thanks to Louis Opter.
        !           145: 
        !           146: 
        !           147: Changes with nginx 1.3.12                                        05 Feb 2013
        !           148: 
        !           149:     *) Feature: variables support in the "proxy_bind", "fastcgi_bind",
        !           150:        "memcached_bind", "scgi_bind", and "uwsgi_bind" directives.
        !           151: 
        !           152:     *) Feature: the $pipe, $request_length, $time_iso8601, and $time_local
        !           153:        variables can now be used not only in the "log_format" directive.
        !           154:        Thanks to Kiril Kalchev.
        !           155: 
        !           156:     *) Feature: IPv6 support in the ngx_http_geoip_module.
        !           157:        Thanks to Gregor Kališnik.
        !           158: 
        !           159:     *) Bugfix: in the "proxy_method" directive.
        !           160: 
        !           161:     *) Bugfix: a segmentation fault might occur in a worker process if
        !           162:        resolver was used with the poll method.
        !           163: 
        !           164:     *) Bugfix: nginx might hog CPU during SSL handshake with a backend if
        !           165:        the select, poll, or /dev/poll methods were used.
        !           166: 
        !           167:     *) Bugfix: the "[crit] SSL_write() failed (SSL:)" error.
        !           168: 
        !           169:     *) Bugfix: in the "client_body_in_file_only" directive; the bug had
        !           170:        appeared in 1.3.9.
        !           171: 
        !           172:     *) Bugfix: in the "fastcgi_keep_conn" directive.
        !           173: 
        !           174: 
        !           175: Changes with nginx 1.3.11                                        10 Jan 2013
        !           176: 
        !           177:     *) Bugfix: a segmentation fault might occur if logging was used; the bug
        !           178:        had appeared in 1.3.10.
        !           179: 
        !           180:     *) Bugfix: the "proxy_pass" directive did not work with IP addresses
        !           181:        without port specified; the bug had appeared in 1.3.10.
        !           182: 
        !           183:     *) Bugfix: a segmentation fault occurred on start or during
        !           184:        reconfiguration if the "keepalive" directive was specified more than
        !           185:        once in a single upstream block.
        !           186: 
        !           187:     *) Bugfix: parameter "default" of the "geo" directive did not set
        !           188:        default value for IPv6 addresses.
        !           189: 
        !           190: 
        !           191: Changes with nginx 1.3.10                                        25 Dec 2012
        !           192: 
        !           193:     *) Change: domain names specified in configuration file are now resolved
        !           194:        to IPv6 addresses as well as IPv4 ones.
        !           195: 
        !           196:     *) Change: now if the "include" directive with mask is used on Unix
        !           197:        systems, included files are sorted in alphabetical order.
        !           198: 
        !           199:     *) Change: the "add_header" directive adds headers to 201 responses.
        !           200: 
        !           201:     *) Feature: the "geo" directive now supports IPv6 addresses in CIDR
        !           202:        notation.
        !           203: 
        !           204:     *) Feature: the "flush" and "gzip" parameters of the "access_log"
        !           205:        directive.
        !           206: 
        !           207:     *) Feature: variables support in the "auth_basic" directive.
        !           208: 
        !           209:     *) Bugfix: nginx could not be built with the ngx_http_perl_module in
        !           210:        some cases.
        !           211: 
        !           212:     *) Bugfix: a segmentation fault might occur in a worker process if the
        !           213:        ngx_http_xslt_module was used.
        !           214: 
        !           215:     *) Bugfix: nginx could not be built on MacOSX in some cases.
        !           216:        Thanks to Piotr Sikora.
        !           217: 
        !           218:     *) Bugfix: the "limit_rate" directive with high rates might result in
        !           219:        truncated responses on 32-bit platforms.
        !           220:        Thanks to Alexey Antropov.
        !           221: 
        !           222:     *) Bugfix: a segmentation fault might occur in a worker process if the
        !           223:        "if" directive was used.
        !           224:        Thanks to Piotr Sikora.
        !           225: 
        !           226:     *) Bugfix: a "100 Continue" response was issued with "413 Request Entity
        !           227:        Too Large" responses.
        !           228: 
        !           229:     *) Bugfix: the "image_filter", "image_filter_jpeg_quality" and
        !           230:        "image_filter_sharpen" directives might be inherited incorrectly.
        !           231:        Thanks to Ian Babrou.
        !           232: 
        !           233:     *) Bugfix: "crypt_r() failed" errors might appear if the "auth_basic"
        !           234:        directive was used on Linux.
        !           235: 
        !           236:     *) Bugfix: in backup servers handling.
        !           237:        Thanks to Thomas Chen.
        !           238: 
        !           239:     *) Bugfix: proxied HEAD requests might return incorrect response if the
        !           240:        "gzip" directive was used.
        !           241: 
        !           242: 
        !           243: Changes with nginx 1.3.9                                         27 Nov 2012
        !           244: 
        !           245:     *) Feature: support for chunked transfer encoding while reading client
        !           246:        request body.
        !           247: 
        !           248:     *) Feature: the $request_time and $msec variables can now be used not
        !           249:        only in the "log_format" directive.
        !           250: 
        !           251:     *) Bugfix: cache manager and cache loader processes might not be able to
        !           252:        start if more than 512 listen sockets were used.
        !           253: 
        !           254:     *) Bugfix: in the ngx_http_dav_module.
        !           255: 
        !           256: 
        !           257: Changes with nginx 1.3.8                                         30 Oct 2012
        !           258: 
        !           259:     *) Feature: the "optional_no_ca" parameter of the "ssl_verify_client"
        !           260:        directive.
        !           261:        Thanks to Mike Kazantsev and Eric O'Connor.
        !           262: 
        !           263:     *) Feature: the $bytes_sent, $connection, and $connection_requests
        !           264:        variables can now be used not only in the "log_format" directive.
        !           265:        Thanks to Benjamin Grössing.
        !           266: 
        !           267:     *) Feature: the "auto" parameter of the "worker_processes" directive.
        !           268: 
        !           269:     *) Bugfix: "cache file ... has md5 collision" alert.
        !           270: 
        !           271:     *) Bugfix: in the ngx_http_gunzip_filter_module.
        !           272: 
        !           273:     *) Bugfix: in the "ssl_stapling" directive.
        !           274: 
        !           275: 
        !           276: Changes with nginx 1.3.7                                         02 Oct 2012
        !           277: 
        !           278:     *) Feature: OCSP stapling support.
        !           279:        Thanks to Comodo, DigiCert and GlobalSign for sponsoring this work.
        !           280: 
        !           281:     *) Feature: the "ssl_trusted_certificate" directive.
        !           282: 
        !           283:     *) Feature: resolver now randomly rotates addresses returned from cache.
        !           284:        Thanks to Anton Jouline.
        !           285: 
        !           286:     *) Bugfix: OpenSSL 0.9.7 compatibility.
        !           287: 
        !           288: 
        !           289: Changes with nginx 1.3.6                                         12 Sep 2012
        !           290: 
        !           291:     *) Feature: the ngx_http_gunzip_filter_module.
        !           292: 
        !           293:     *) Feature: the "memcached_gzip_flag" directive.
        !           294: 
        !           295:     *) Feature: the "always" parameter of the "gzip_static" directive.
        !           296: 
        !           297:     *) Bugfix: in the "limit_req" directive; the bug had appeared in 1.1.14.
        !           298:        Thanks to Charles Chen.
        !           299: 
        !           300:     *) Bugfix: nginx could not be built by gcc 4.7 with -O2 optimization if
        !           301:        the --with-ipv6 option was used.
        !           302: 
        !           303: 
        !           304: Changes with nginx 1.3.5                                         21 Aug 2012
        !           305: 
        !           306:     *) Change: the ngx_http_mp4_module module no longer skips tracks in
        !           307:        formats other than H.264 and AAC.
        !           308: 
        !           309:     *) Bugfix: a segmentation fault might occur in a worker process if the
        !           310:        "map" directive was used with variables as values.
        !           311: 
        !           312:     *) Bugfix: a segmentation fault might occur in a worker process if the
        !           313:        "geo" directive was used with the "ranges" parameter but without the
        !           314:        "default" parameter; the bug had appeared in 0.8.43.
        !           315:        Thanks to Zhen Chen and Weibin Yao.
        !           316: 
        !           317:     *) Bugfix: in the -p command-line parameter handling.
        !           318: 
        !           319:     *) Bugfix: in the mail proxy server.
        !           320: 
        !           321:     *) Bugfix: of minor potential bugs.
        !           322:        Thanks to Coverity.
        !           323: 
        !           324:     *) Bugfix: nginx/Windows could not be built with Visual Studio 2005
        !           325:        Express.
        !           326:        Thanks to HAYASHI Kentaro.
        !           327: 
        !           328: 
        !           329: Changes with nginx 1.3.4                                         31 Jul 2012
        !           330: 
        !           331:     *) Change: the "ipv6only" parameter is now turned on by default for
        !           332:        listening IPv6 sockets.
        !           333: 
        !           334:     *) Feature: the Clang compiler support.
        !           335: 
        !           336:     *) Bugfix: extra listening sockets might be created.
        !           337:        Thanks to Roman Odaisky.
        !           338: 
        !           339:     *) Bugfix: nginx/Windows might hog CPU if a worker process failed to
        !           340:        start.
        !           341:        Thanks to Ricardo Villalobos Guevara.
        !           342: 
        !           343:     *) Bugfix: the "proxy_pass_header", "fastcgi_pass_header",
        !           344:        "scgi_pass_header", "uwsgi_pass_header", "proxy_hide_header",
        !           345:        "fastcgi_hide_header", "scgi_hide_header", and "uwsgi_hide_header"
        !           346:        directives might be inherited incorrectly.
        !           347: 
        !           348: 
        !           349: Changes with nginx 1.3.3                                         10 Jul 2012
        !           350: 
        !           351:     *) Feature: entity tags support and the "etag" directive.
        !           352: 
        !           353:     *) Bugfix: trailing dot in a source value was not ignored if the "map"
        !           354:        directive was used with the "hostnames" parameter.
        !           355: 
        !           356:     *) Bugfix: incorrect location might be used to process a request if a
        !           357:        URI was changed via a "rewrite" directive before an internal redirect
        !           358:        to a named location.
        !           359: 
        !           360: 
        !           361: Changes with nginx 1.3.2                                         26 Jun 2012
        !           362: 
        !           363:     *) Change: the "single" parameter of the "keepalive" directive is now
        !           364:        ignored.
        !           365: 
        !           366:     *) Change: SSL compression is now disabled when using all versions of
        !           367:        OpenSSL, including ones prior to 1.0.0.
        !           368: 
        !           369:     *) Feature: it is now possible to use the "ip_hash" directive to balance
        !           370:        IPv6 clients.
        !           371: 
        !           372:     *) Feature: the $status variable can now be used not only in the
        !           373:        "log_format" directive.
        !           374: 
        !           375:     *) Bugfix: a segmentation fault might occur in a worker process on
        !           376:        shutdown if the "resolver" directive was used.
        !           377: 
        !           378:     *) Bugfix: a segmentation fault might occur in a worker process if the
        !           379:        ngx_http_mp4_module was used.
        !           380: 
        !           381:     *) Bugfix: in the ngx_http_mp4_module.
        !           382: 
        !           383:     *) Bugfix: a segmentation fault might occur in a worker process if
        !           384:        conflicting wildcard server names were used.
        !           385: 
        !           386:     *) Bugfix: nginx might be terminated abnormally on a SIGBUS signal on
        !           387:        ARM platform.
        !           388: 
        !           389:     *) Bugfix: an alert "sendmsg() failed (9: Bad file number)" on HP-UX
        !           390:        while reconfiguration.
        !           391: 
        !           392: 
        !           393: Changes with nginx 1.3.1                                         05 Jun 2012
        !           394: 
        !           395:     *) Security: now nginx/Windows ignores trailing dot in URI path
        !           396:        component, and does not allow URIs with ":$" in it.
        !           397:        Thanks to Vladimir Kochetkov, Positive Research Center.
        !           398: 
        !           399:     *) Feature: the "proxy_pass", "fastcgi_pass", "scgi_pass", "uwsgi_pass"
        !           400:        directives, and the "server" directive inside the "upstream" block,
        !           401:        now support IPv6 addresses.
        !           402: 
        !           403:     *) Feature: the "resolver" directive now supports IPv6 addresses and an
        !           404:        optional port specification.
        !           405: 
        !           406:     *) Feature: the "least_conn" directive inside the "upstream" block.
        !           407: 
        !           408:     *) Feature: it is now possible to specify a weight for servers while
        !           409:        using the "ip_hash" directive.
        !           410: 
        !           411:     *) Bugfix: a segmentation fault might occur in a worker process if the
        !           412:        "image_filter" directive was used; the bug had appeared in 1.3.0.
        !           413: 
        !           414:     *) Bugfix: nginx could not be built with ngx_cpp_test_module; the bug
        !           415:        had appeared in 1.1.12.
        !           416: 
        !           417:     *) Bugfix: access to variables from SSI and embedded perl module might
        !           418:        not work after reconfiguration.
        !           419:        Thanks to Yichun Zhang.
        !           420: 
        !           421:     *) Bugfix: in the ngx_http_xslt_filter_module.
        !           422:        Thanks to Kuramoto Eiji.
        !           423: 
        !           424:     *) Bugfix: memory leak if $geoip_org variable was used.
        !           425:        Thanks to Denis F. Latypoff.
        !           426: 
        !           427:     *) Bugfix: in the "proxy_cookie_domain" and "proxy_cookie_path"
        !           428:        directives.
        !           429: 
        !           430: 
        !           431: Changes with nginx 1.3.0                                         15 May 2012
        !           432: 
        !           433:     *) Feature: the "debug_connection" directive now supports IPv6 addresses
        !           434:        and the "unix:" parameter.
        !           435: 
        !           436:     *) Feature: the "set_real_ip_from" directive and the "proxy" parameter
        !           437:        of the "geo" directive now support IPv6 addresses.
        !           438: 
        !           439:     *) Feature: the "real_ip_recursive", "geoip_proxy", and
        !           440:        "geoip_proxy_recursive" directives.
        !           441: 
        !           442:     *) Feature: the "proxy_recursive" parameter of the "geo" directive.
        !           443: 
        !           444:     *) Bugfix: a segmentation fault might occur in a worker process if the
        !           445:        "resolver" directive was used.
        !           446: 
        !           447:     *) Bugfix: a segmentation fault might occur in a worker process if the
        !           448:        "fastcgi_pass", "scgi_pass", or "uwsgi_pass" directives were used and
        !           449:        backend returned incorrect response.
        !           450: 
        !           451:     *) Bugfix: a segmentation fault might occur in a worker process if the
        !           452:        "rewrite" directive was used and new request arguments in a
        !           453:        replacement used variables.
        !           454: 
        !           455:     *) Bugfix: nginx might hog CPU if the open file resource limit was
        !           456:        reached.
        !           457: 
        !           458:     *) Bugfix: nginx might loop infinitely over backends if the
        !           459:        "proxy_next_upstream" directive with the "http_404" parameter was
        !           460:        used and there were backup servers specified in an upstream block.
        !           461: 
        !           462:     *) Bugfix: adding the "down" parameter of the "server" directive might
        !           463:        cause unneeded client redistribution among backend servers if the
        !           464:        "ip_hash" directive was used.
        !           465: 
        !           466:     *) Bugfix: socket leak.
        !           467:        Thanks to Yichun Zhang.
        !           468: 
        !           469:     *) Bugfix: in the ngx_http_fastcgi_module.
        !           470: 
        !           471: 
        !           472: Changes with nginx 1.2.0                                         23 Apr 2012
        !           473: 
        !           474:     *) Bugfix: a segmentation fault might occur in a worker process if the
        !           475:        "try_files" directive was used; the bug had appeared in 1.1.19.
        !           476: 
        !           477:     *) Bugfix: response might be truncated if there were more than IOV_MAX
        !           478:        buffers used.
        !           479: 
        !           480:     *) Bugfix: in the "crop" parameter of the "image_filter" directive.
        !           481:        Thanks to Maxim Bublis.
        !           482: 
        !           483: 
        !           484: Changes with nginx 1.1.19                                        12 Apr 2012
        !           485: 
        !           486:     *) Security: specially crafted mp4 file might allow to overwrite memory
        !           487:        locations in a worker process if the ngx_http_mp4_module was used,
        !           488:        potentially resulting in arbitrary code execution (CVE-2012-2089).
        !           489:        Thanks to Matthew Daley.
        !           490: 
        !           491:     *) Bugfix: nginx/Windows might be terminated abnormally.
        !           492:        Thanks to Vincent Lee.
        !           493: 
        !           494:     *) Bugfix: nginx hogged CPU if all servers in an upstream were marked as
        !           495:        "backup".
        !           496: 
        !           497:     *) Bugfix: the "allow" and "deny" directives might be inherited
        !           498:        incorrectly if they were used with IPv6 addresses.
        !           499: 
        !           500:     *) Bugfix: the "modern_browser" and "ancient_browser" directives might
        !           501:        be inherited incorrectly.
        !           502: 
        !           503:     *) Bugfix: timeouts might be handled incorrectly on Solaris/SPARC.
        !           504: 
        !           505:     *) Bugfix: in the ngx_http_mp4_module.
        !           506: 
        !           507: 
        !           508: Changes with nginx 1.1.18                                        28 Mar 2012
        !           509: 
        !           510:     *) Change: keepalive connections are no longer disabled for Safari by
        !           511:        default.
        !           512: 
        !           513:     *) Feature: the $connection_requests variable.
        !           514: 
        !           515:     *) Feature: $tcpinfo_rtt, $tcpinfo_rttvar, $tcpinfo_snd_cwnd and
        !           516:        $tcpinfo_rcv_space variables.
        !           517: 
        !           518:     *) Feature: the "worker_cpu_affinity" directive now works on FreeBSD.
        !           519: 
        !           520:     *) Feature: the "xslt_param" and "xslt_string_param" directives.
        !           521:        Thanks to Samuel Behan.
        !           522: 
        !           523:     *) Bugfix: in configure tests.
        !           524:        Thanks to Piotr Sikora.
        !           525: 
        !           526:     *) Bugfix: in the ngx_http_xslt_filter_module.
        !           527: 
        !           528:     *) Bugfix: nginx could not be built on Debian GNU/Hurd.
        !           529: 
        !           530: 
        !           531: Changes with nginx 1.1.17                                        15 Mar 2012
        !           532: 
        !           533:     *) Security: content of previously freed memory might be sent to a
        !           534:        client if backend returned specially crafted response.
        !           535:        Thanks to Matthew Daley.
        !           536: 
        !           537:     *) Bugfix: in the embedded perl module if used from SSI.
        !           538:        Thanks to Matthew Daley.
        !           539: 
        !           540:     *) Bugfix: in the ngx_http_uwsgi_module.
        !           541: 
        !           542: 
        !           543: Changes with nginx 1.1.16                                        29 Feb 2012
        !           544: 
        !           545:     *) Change: the simultaneous subrequest limit has been raised to 200.
        !           546: 
        !           547:     *) Feature: the "from" parameter of the "disable_symlinks" directive.
        !           548: 
        !           549:     *) Feature: the "return" and "error_page" directives can now be used to
        !           550:        return 307 redirections.
        !           551: 
        !           552:     *) Bugfix: a segmentation fault might occur in a worker process if the
        !           553:        "resolver" directive was used and there was no "error_log" directive
        !           554:        specified at global level.
        !           555:        Thanks to Roman Arutyunyan.
        !           556: 
        !           557:     *) Bugfix: a segmentation fault might occur in a worker process if the
        !           558:        "proxy_http_version 1.1" or "fastcgi_keep_conn on" directives were
        !           559:        used.
        !           560: 
        !           561:     *) Bugfix: memory leaks.
        !           562:        Thanks to Lanshun Zhou.
        !           563: 
        !           564:     *) Bugfix: in the "disable_symlinks" directive.
        !           565: 
        !           566:     *) Bugfix: on ZFS filesystem disk cache size might be calculated
        !           567:        incorrectly; the bug had appeared in 1.0.1.
        !           568: 
        !           569:     *) Bugfix: nginx could not be built by the icc 12.1 compiler.
        !           570: 
        !           571:     *) Bugfix: nginx could not be built by gcc on Solaris; the bug had
        !           572:        appeared in 1.1.15.
        !           573: 
        !           574: 
        !           575: Changes with nginx 1.1.15                                        15 Feb 2012
        !           576: 
        !           577:     *) Feature: the "disable_symlinks" directive.
        !           578: 
        !           579:     *) Feature: the "proxy_cookie_domain" and "proxy_cookie_path"
        !           580:        directives.
        !           581: 
        !           582:     *) Bugfix: nginx might log incorrect error "upstream prematurely closed
        !           583:        connection" instead of correct "upstream sent too big header" one.
        !           584:        Thanks to Feibo Li.
        !           585: 
        !           586:     *) Bugfix: nginx could not be built with the ngx_http_perl_module if the
        !           587:        --with-openssl option was used.
        !           588: 
        !           589:     *) Bugfix: the number of internal redirects to named locations was not
        !           590:        limited.
        !           591: 
        !           592:     *) Bugfix: calling $r->flush() multiple times might cause errors in the
        !           593:        ngx_http_gzip_filter_module.
        !           594: 
        !           595:     *) Bugfix: temporary files might be not removed if the "proxy_store"
        !           596:        directive was used with SSI includes.
        !           597: 
        !           598:     *) Bugfix: in some cases non-cacheable variables (such as the $args
        !           599:        variable) returned old empty cached value.
        !           600: 
        !           601:     *) Bugfix: a segmentation fault might occur in a worker process if too
        !           602:        many SSI subrequests were issued simultaneously; the bug had appeared
        !           603:        in 0.7.25.
        !           604: 
        !           605: 
        !           606: Changes with nginx 1.1.14                                        30 Jan 2012
        !           607: 
        !           608:     *) Feature: multiple "limit_req" limits may be used simultaneously.
        !           609: 
        !           610:     *) Bugfix: in error handling while connecting to a backend.
        !           611:        Thanks to Piotr Sikora.
        !           612: 
        !           613:     *) Bugfix: in AIO error handling on FreeBSD.
        !           614: 
        !           615:     *) Bugfix: in the OpenSSL library initialization.
        !           616: 
        !           617:     *) Bugfix: the "proxy_redirect" directives might be inherited
        !           618:        incorrectly.
        !           619: 
        !           620:     *) Bugfix: memory leak during reconfiguration if the "pcre_jit"
        !           621:        directive was used.
        !           622: 
        !           623: 
        !           624: Changes with nginx 1.1.13                                        16 Jan 2012
        !           625: 
        !           626:     *) Feature: the "TLSv1.1" and "TLSv1.2" parameters of the
        !           627:        "ssl_protocols" directive.
        !           628: 
        !           629:     *) Bugfix: the "limit_req" directive parameters were not inherited
        !           630:        correctly; the bug had appeared in 1.1.12.
        !           631: 
        !           632:     *) Bugfix: the "proxy_redirect" directive incorrectly processed
        !           633:        "Refresh" header if regular expression were used.
        !           634: 
        !           635:     *) Bugfix: the "proxy_cache_use_stale" directive with "error" parameter
        !           636:        did not return answer from cache if there were no live upstreams.
        !           637: 
        !           638:     *) Bugfix: the "worker_cpu_affinity" directive might not work.
        !           639: 
        !           640:     *) Bugfix: nginx could not be built on Solaris; the bug had appeared in
        !           641:        1.1.12.
        !           642: 
        !           643:     *) Bugfix: in the ngx_http_mp4_module.
        !           644: 
        !           645: 
        !           646: Changes with nginx 1.1.12                                        26 Dec 2011
        !           647: 
        !           648:     *) Change: a "proxy_pass" directive without URI part now uses changed
        !           649:        URI after redirection with the "error_page" directive.
        !           650:        Thanks to Lanshun Zhou.
        !           651: 
        !           652:     *) Feature: the "proxy/fastcgi/scgi/uwsgi_cache_lock",
        !           653:        "proxy/fastcgi/scgi/uwsgi_cache_lock_timeout" directives.
        !           654: 
        !           655:     *) Feature: the "pcre_jit" directive.
        !           656: 
        !           657:     *) Feature: the "if" SSI command supports captures in regular
        !           658:        expressions.
        !           659: 
        !           660:     *) Bugfix: the "if" SSI command did not work inside the "block" command.
        !           661: 
        !           662:     *) Bugfix: the "limit_conn_log_level" and "limit_req_log_level"
        !           663:        directives might not work.
        !           664: 
        !           665:     *) Bugfix: the "limit_rate" directive did not allow to use full
        !           666:        throughput, even if limit value was very high.
        !           667: 
        !           668:     *) Bugfix: the "sendfile_max_chunk" directive did not work, if the
        !           669:        "limit_rate" directive was used.
        !           670: 
        !           671:     *) Bugfix: a "proxy_pass" directive without URI part always used
        !           672:        original request URI if variables were used.
        !           673: 
        !           674:     *) Bugfix: a "proxy_pass" directive without URI part might use original
        !           675:        request after redirection with the "try_files" directive.
        !           676:        Thanks to Lanshun Zhou.
        !           677: 
        !           678:     *) Bugfix: in the ngx_http_scgi_module.
        !           679: 
        !           680:     *) Bugfix: in the ngx_http_mp4_module.
        !           681: 
        !           682:     *) Bugfix: nginx could not be built on Solaris; the bug had appeared in
        !           683:        1.1.9.
        !           684: 
        !           685: 
        !           686: Changes with nginx 1.1.11                                        12 Dec 2011
        !           687: 
        !           688:     *) Feature: the "so_keepalive" parameter of the "listen" directive.
        !           689:        Thanks to Vsevolod Stakhov.
        !           690: 
        !           691:     *) Feature: the "if_not_empty" parameter of the
        !           692:        "fastcgi/scgi/uwsgi_param" directives.
        !           693: 
        !           694:     *) Feature: the $https variable.
        !           695: 
        !           696:     *) Feature: the "proxy_redirect" directive supports variables in the
        !           697:        first parameter.
        !           698: 
        !           699:     *) Feature: the "proxy_redirect" directive supports regular expressions.
        !           700: 
        !           701:     *) Bugfix: the $sent_http_cache_control variable might contain a wrong
        !           702:        value if the "expires" directive was used.
        !           703:        Thanks to Yichun Zhang.
        !           704: 
        !           705:     *) Bugfix: the "read_ahead" directive might not work combined with
        !           706:        "try_files" and "open_file_cache".
        !           707: 
        !           708:     *) Bugfix: a segmentation fault might occur in a worker process if small
        !           709:        time was used in the "inactive" parameter of the "proxy_cache_path"
        !           710:        directive.
        !           711: 
        !           712:     *) Bugfix: responses from cache might hang.
        !           713: 
        !           714: 
        !           715: Changes with nginx 1.1.10                                        30 Nov 2011
        !           716: 
        !           717:     *) Bugfix: a segmentation fault occured in a worker process if AIO was
        !           718:        used on Linux; the bug had appeared in 1.1.9.
        !           719: 
        !           720: 
        !           721: Changes with nginx 1.1.9                                         28 Nov 2011
        !           722: 
        !           723:     *) Change: now double quotes are encoded in an "echo" SSI-command
        !           724:        output.
        !           725:        Thanks to Zaur Abasmirzoev.
        !           726: 
        !           727:     *) Feature: the "valid" parameter of the "resolver" directive. By
        !           728:        default TTL returned by a DNS server is used.
        !           729:        Thanks to Kirill A. Korinskiy.
        !           730: 
        !           731:     *) Bugfix: nginx might hang after a worker process abnormal termination.
        !           732: 
        !           733:     *) Bugfix: a segmentation fault might occur in a worker process if SNI
        !           734:        was used; the bug had appeared in 1.1.2.
        !           735: 
        !           736:     *) Bugfix: in the "keepalive_disable" directive; the bug had appeared in
        !           737:        1.1.8.
        !           738:        Thanks to Alexander Usov.
        !           739: 
        !           740:     *) Bugfix: SIGWINCH signal did not work after first binary upgrade; the
        !           741:        bug had appeared in 1.1.1.
        !           742: 
        !           743:     *) Bugfix: backend responses with length not matching "Content-Length"
        !           744:        header line are no longer cached.
        !           745: 
        !           746:     *) Bugfix: in the "scgi_param" directive, if complex parameters were
        !           747:        used.
        !           748: 
        !           749:     *) Bugfix: in the "epoll" event method.
        !           750:        Thanks to Yichun Zhang.
        !           751: 
        !           752:     *) Bugfix: in the ngx_http_flv_module.
        !           753:        Thanks to Piotr Sikora.
        !           754: 
        !           755:     *) Bugfix: in the ngx_http_mp4_module.
        !           756: 
        !           757:     *) Bugfix: IPv6 addresses are now handled properly in a request line and
        !           758:        in a "Host" request header line.
        !           759: 
        !           760:     *) Bugfix: "add_header" and "expires" directives did not work if a
        !           761:        request was proxied and response status code was 206.
        !           762: 
        !           763:     *) Bugfix: nginx could not be built on FreeBSD 10.
        !           764: 
        !           765:     *) Bugfix: nginx could not be built on AIX.
        !           766: 
        !           767: 
        !           768: Changes with nginx 1.1.8                                         14 Nov 2011
        !           769: 
        !           770:     *) Change: the ngx_http_limit_zone_module was renamed to the
        !           771:        ngx_http_limit_conn_module.
        !           772: 
        !           773:     *) Change: the "limit_zone" directive was superseded by the
        !           774:        "limit_conn_zone" directive with a new syntax.
        !           775: 
        !           776:     *) Feature: support for multiple "limit_conn" limits on the same level.
        !           777: 
        !           778:     *) Feature: the "image_filter_sharpen" directive.
        !           779: 
        !           780:     *) Bugfix: a segmentation fault might occur in a worker process if
        !           781:        resolver got a big DNS response.
        !           782:        Thanks to Ben Hawkes.
        !           783: 
        !           784:     *) Bugfix: in cache key calculation if internal MD5 implementation was
        !           785:        used; the bug had appeared in 1.0.4.
        !           786: 
        !           787:     *) Bugfix: the "If-Modified-Since", "If-Range", etc. client request
        !           788:        header lines might be passed to backend while caching; or not passed
        !           789:        without caching if caching was enabled in another part of the
        !           790:        configuration.
        !           791: 
        !           792:     *) Bugfix: the module ngx_http_mp4_module sent incorrect
        !           793:        "Content-Length" response header line if the "start" argument was
        !           794:        used.
        !           795:        Thanks to Piotr Sikora.
        !           796: 
        !           797: 
        !           798: Changes with nginx 1.1.7                                         31 Oct 2011
        !           799: 
        !           800:     *) Feature: support of several DNS servers in the "resolver" directive.
        !           801:        Thanks to Kirill A. Korinskiy.
        !           802: 
        !           803:     *) Bugfix: a segmentation fault occurred on start or during
        !           804:        reconfiguration if the "ssl" directive was used at http level and
        !           805:        there was no "ssl_certificate" defined.
        !           806: 
        !           807:     *) Bugfix: reduced memory consumption while proxying big files if they
        !           808:        were buffered to disk.
        !           809: 
        !           810:     *) Bugfix: a segmentation fault might occur in a worker process if
        !           811:        "proxy_http_version 1.1" directive was used.
        !           812: 
        !           813:     *) Bugfix: in the "expires @time" directive.
        !           814: 
        !           815: 
        !           816: Changes with nginx 1.1.6                                         17 Oct 2011
        !           817: 
        !           818:     *) Change in internal API: now module context data are cleared while
        !           819:        internal redirect to named location.
        !           820:        Requested by Yichun Zhang.
        !           821: 
        !           822:     *) Change: if a server in an upstream failed, only one request will be
        !           823:        sent to it after fail_timeout; the server will be considered alive if
        !           824:        it will successfully respond to the request.
        !           825: 
        !           826:     *) Change: now the 0x7F-0x1F characters are escaped as \xXX in an
        !           827:        access_log.
        !           828: 
        !           829:     *) Feature: "proxy/fastcgi/scgi/uwsgi_ignore_headers" directives support
        !           830:        the following additional values: X-Accel-Limit-Rate,
        !           831:        X-Accel-Buffering, X-Accel-Charset.
        !           832: 
        !           833:     *) Feature: decrease of memory consumption if SSL is used.
        !           834: 
        !           835:     *) Bugfix: some UTF-8 characters were processed incorrectly.
        !           836:        Thanks to Alexey Kuts.
        !           837: 
        !           838:     *) Bugfix: the ngx_http_rewrite_module directives specified at "server"
        !           839:        level were executed twice if no matching locations were defined.
        !           840: 
        !           841:     *) Bugfix: a socket leak might occurred if "aio sendfile" was used.
        !           842: 
        !           843:     *) Bugfix: connections with fast clients might be closed after
        !           844:        send_timeout if file AIO was used.
        !           845: 
        !           846:     *) Bugfix: in the ngx_http_autoindex_module.
        !           847: 
        !           848:     *) Bugfix: the module ngx_http_mp4_module did not support seeking on
        !           849:        32-bit platforms.
        !           850: 
        !           851: 
        !           852: Changes with nginx 1.1.5                                         05 Oct 2011
        !           853: 
        !           854:     *) Feature: the "uwsgi_buffering" and "scgi_buffering" directives.
        !           855:        Thanks to Peter Smit.
        !           856: 
        !           857:     *) Bugfix: non-cacheable responses might be cached if
        !           858:        "proxy_cache_bypass" directive was used.
        !           859:        Thanks to John Ferlito.
        !           860: 
        !           861:     *) Bugfix: in HTTP/1.1 support in the ngx_http_proxy_module.
        !           862: 
        !           863:     *) Bugfix: cached responses with an empty body were returned
        !           864:        incorrectly; the bug had appeared in 0.8.31.
        !           865: 
        !           866:     *) Bugfix: 201 responses of the ngx_http_dav_module were incorrect; the
        !           867:        bug had appeared in 0.8.32.
        !           868: 
        !           869:     *) Bugfix: in the "return" directive.
        !           870: 
        !           871:     *) Bugfix: the "ssl_session_cache builtin" directive caused segmentation
        !           872:        fault; the bug had appeared in 1.1.1.
        !           873: 
        !           874: 
        !           875: Changes with nginx 1.1.4                                         20 Sep 2011
        !           876: 
        !           877:     *) Feature: the ngx_http_upstream_keepalive module.
        !           878: 
        !           879:     *) Feature: the "proxy_http_version" directive.
        !           880: 
        !           881:     *) Feature: the "fastcgi_keep_conn" directive.
        !           882: 
        !           883:     *) Feature: the "worker_aio_requests" directive.
        !           884: 
        !           885:     *) Bugfix: if nginx was built --with-file-aio it could not be run on
        !           886:        Linux kernel which did not support AIO.
        !           887: 
        !           888:     *) Bugfix: in Linux AIO error processing.
        !           889:        Thanks to Hagai Avrahami.
        !           890: 
        !           891:     *) Bugfix: reduced memory consumption for long-lived requests.
        !           892: 
        !           893:     *) Bugfix: the module ngx_http_mp4_module did not support 64-bit MP4
        !           894:        "co64" atom.
        !           895: 
        !           896: 
        !           897: Changes with nginx 1.1.3                                         14 Sep 2011
        !           898: 
        !           899:     *) Feature: the module ngx_http_mp4_module.
        !           900: 
        !           901:     *) Bugfix: in Linux AIO combined with open_file_cache.
        !           902: 
        !           903:     *) Bugfix: open_file_cache did not update file info on retest if file
        !           904:        was not atomically changed.
        !           905: 
        !           906:     *) Bugfix: nginx could not be built on MacOSX 10.7.
        !           907: 
        !           908: 
        !           909: Changes with nginx 1.1.2                                         05 Sep 2011
        !           910: 
        !           911:     *) Change: now if total size of all ranges is greater than source
        !           912:        response size, then nginx disables ranges and returns just the source
        !           913:        response.
        !           914: 
        !           915:     *) Feature: the "max_ranges" directive.
        !           916: 
        !           917:     *) Bugfix: the "ssl_verify_client", "ssl_verify_depth", and
        !           918:        "ssl_prefer_server_ciphers" directives might work incorrectly if SNI
        !           919:        was used.
        !           920: 
        !           921:     *) Bugfix: in the "proxy/fastcgi/scgi/uwsgi_ignore_client_abort"
        !           922:        directives.
        !           923: 
        !           924: 
        !           925: Changes with nginx 1.1.1                                         22 Aug 2011
        !           926: 
        !           927:     *) Change: now cache loader processes either as many files as specified
        !           928:        by "loader_files" parameter or works no longer than time specified by
        !           929:        the "loader_threshold" parameter during each iteration.
        !           930: 
        !           931:     *) Change: now SIGWINCH signal works only in daemon mode.
        !           932: 
        !           933:     *) Feature: now shared zones and caches use POSIX semaphores on Solaris.
        !           934:        Thanks to Den Ivanov.
        !           935: 
        !           936:     *) Feature: accept filters are now supported on NetBSD.
        !           937: 
        !           938:     *) Bugfix: nginx could not be built on Linux 3.0.
        !           939: 
        !           940:     *) Bugfix: nginx did not use gzipping in some cases; the bug had
        !           941:        appeared in 1.1.0.
        !           942: 
        !           943:     *) Bugfix: request body might be processed incorrectly if client used
        !           944:        pipelining.
        !           945: 
        !           946:     *) Bugfix: in the "request_body_in_single_buf" directive.
        !           947: 
        !           948:     *) Bugfix: in "proxy_set_body" and "proxy_pass_request_body" directives
        !           949:        if SSL connection to backend was used.
        !           950: 
        !           951:     *) Bugfix: nginx hogged CPU if all servers in an upstream were marked as
        !           952:        "down".
        !           953: 
        !           954:     *) Bugfix: a segmentation fault might occur during reconfiguration if
        !           955:        ssl_session_cache was defined but not used in previous configuration.
        !           956: 
        !           957:     *) Bugfix: a segmentation fault might occur in a worker process if many
        !           958:        backup servers were used in an upstream.
        !           959: 
        !           960:     *) Bugfix: a segmentation fault might occur in a worker process if
        !           961:        "fastcgi/scgi/uwsgi_param" directives were used with values starting
        !           962:        with "HTTP_"; the bug had appeared in 0.8.40.
        !           963: 
        !           964: 
        !           965: Changes with nginx 1.1.0                                         01 Aug 2011
        !           966: 
        !           967:     *) Feature: cache loader run time decrease.
        !           968: 
        !           969:     *) Feature: "loader_files", "loader_sleep", and "loader_threshold"
        !           970:        options of the "proxy/fastcgi/scgi/uwsgi_cache_path" directives.
        !           971: 
        !           972:     *) Feature: loading time decrease of configuration with large number of
        !           973:        HTTPS sites.
        !           974: 
        !           975:     *) Feature: now nginx supports ECDHE key exchange ciphers.
        !           976:        Thanks to Adrian Kotelba.
        !           977: 
        !           978:     *) Feature: the "lingering_close" directive.
        !           979:        Thanks to Maxim Dounin.
        !           980: 
        !           981:     *) Bugfix: in closing connection for pipelined requests.
        !           982:        Thanks to Maxim Dounin.
        !           983: 
        !           984:     *) Bugfix: nginx did not disable gzipping if client sent "gzip;q=0" in
        !           985:        "Accept-Encoding" request header line.
        !           986: 
        !           987:     *) Bugfix: in timeout in unbuffered proxied mode.
        !           988:        Thanks to Maxim Dounin.
        !           989: 
        !           990:     *) Bugfix: memory leaks when a "proxy_pass" directive contains variables
        !           991:        and proxies to an HTTPS backend.
        !           992:        Thanks to Maxim Dounin.
        !           993: 
        !           994:     *) Bugfix: in parameter validaiton of a "proxy_pass" directive with
        !           995:        variables.
        !           996:        Thanks to Lanshun Zhou.
        !           997: 
        !           998:     *) Bugfix: SSL did not work on QNX.
        !           999:        Thanks to Maxim Dounin.
        !          1000: 
        !          1001:     *) Bugfix: SSL modules could not be built by gcc 4.6 without
        !          1002:        --with-debug option.
        !          1003: 
        !          1004: 
        !          1005: Changes with nginx 1.0.5                                         19 Jul 2011
        !          1006: 
        !          1007:     *) Change: now default SSL ciphers are "HIGH:!aNULL:!MD5".
        !          1008:        Thanks to Rob Stradling.
        !          1009: 
        !          1010:     *) Feature: the "referer_hash_max_size" and "referer_hash_bucket_size"
        !          1011:        directives.
        !          1012:        Thanks to Witold Filipczyk.
        !          1013: 
        !          1014:     *) Feature: $uid_reset variable.
        !          1015: 
        !          1016:     *) Bugfix: a segmentation fault might occur in a worker process, if a
        !          1017:        caching was used.
        !          1018:        Thanks to Lanshun Zhou.
        !          1019: 
        !          1020:     *) Bugfix: worker processes may got caught in an endless loop during
        !          1021:        reconfiguration, if a caching was used; the bug had appeared in
        !          1022:        0.8.48.
        !          1023:        Thanks to Maxim Dounin.
        !          1024: 
        !          1025:     *) Bugfix: "stalled cache updating" alert.
        !          1026:        Thanks to Maxim Dounin.
        !          1027: 
        !          1028: 
        !          1029: Changes with nginx 1.0.4                                         01 Jun 2011
        !          1030: 
        !          1031:     *) Change: now regular expressions case sensitivity in the "map"
        !          1032:        directive is given by prefixes "~" or "~*".
        !          1033: 
        !          1034:     *) Feature: now shared zones and caches use POSIX semaphores on Linux.
        !          1035:        Thanks to Denis F. Latypoff.
        !          1036: 
        !          1037:     *) Bugfix: "stalled cache updating" alert.
        !          1038: 
        !          1039:     *) Bugfix: nginx could not be built --without-http_auth_basic_module;
        !          1040:        the bug had appeared in 1.0.3.
        !          1041: 
        !          1042: 
        !          1043: Changes with nginx 1.0.3                                         25 May 2011
        !          1044: 
        !          1045:     *) Feature: the "auth_basic_user_file" directive supports "$apr1",
        !          1046:        "{PLAIN}", and "{SSHA}" password encryption methods.
        !          1047:        Thanks to Maxim Dounin.
        !          1048: 
        !          1049:     *) Feature: the "geoip_org" directive and $geoip_org variable.
        !          1050:        Thanks to Alexander Uskov, Arnaud Granal, and Denis F. Latypoff.
        !          1051: 
        !          1052:     *) Feature: ngx_http_geo_module and ngx_http_geoip_module support IPv4
        !          1053:        addresses mapped to IPv6 addresses.
        !          1054: 
        !          1055:     *) Bugfix: a segmentation fault occurred in a worker process during
        !          1056:        testing IPv4 address mapped to IPv6 address, if access or deny rules
        !          1057:        were defined only for IPv6; the bug had appeared in 0.8.22.
        !          1058: 
        !          1059:     *) Bugfix: a cached response may be broken if "proxy/fastcgi/scgi/
        !          1060:        uwsgi_cache_bypass" and "proxy/fastcgi/scgi/uwsgi_no_cache" directive
        !          1061:        values were different; the bug had appeared in 0.8.46.
        !          1062: 
        !          1063: 
        !          1064: Changes with nginx 1.0.2                                         10 May 2011
        !          1065: 
        !          1066:     *) Feature: now shared zones and caches use POSIX semaphores.
        !          1067: 
        !          1068:     *) Bugfix: in the "rotate" parameter of the "image_filter" directive.
        !          1069:        Thanks to Adam Bocim.
        !          1070: 
        !          1071:     *) Bugfix: nginx could not be built on Solaris; the bug had appeared in
        !          1072:        1.0.1.
        !          1073: 
        !          1074: 
        !          1075: Changes with nginx 1.0.1                                         03 May 2011
        !          1076: 
        !          1077:     *) Change: now the "split_clients" directive uses MurmurHash2 algorithm
        !          1078:        because of better distribution.
        !          1079:        Thanks to Oleg Mamontov.
        !          1080: 
        !          1081:     *) Change: now long strings starting with zero are not considered as
        !          1082:        false values.
        !          1083:        Thanks to Maxim Dounin.
        !          1084: 
        !          1085:     *) Change: now nginx uses a default listen backlog value 511 on Linux.
        !          1086: 
        !          1087:     *) Feature: the $upstream_... variables may be used in the SSI and perl
        !          1088:        modules.
        !          1089: 
        !          1090:     *) Bugfix: now nginx limits better disk cache size.
        !          1091:        Thanks to Oleg Mamontov.
        !          1092: 
        !          1093:     *) Bugfix: a segmentation fault might occur while parsing incorrect IPv4
        !          1094:        address; the bug had appeared in 0.9.3.
        !          1095:        Thanks to Maxim Dounin.
        !          1096: 
        !          1097:     *) Bugfix: nginx could not be built by gcc 4.6 without --with-debug
        !          1098:        option.
        !          1099: 
        !          1100:     *) Bugfix: nginx could not be built on Solaris 9 and earlier; the bug
        !          1101:        had appeared in 0.9.3.
        !          1102:        Thanks to Dagobert Michelsen.
        !          1103: 
        !          1104:     *) Bugfix: $request_time variable had invalid values if subrequests were
        !          1105:        used; the bug had appeared in 0.8.47.
        !          1106:        Thanks to Igor A. Valcov.
        !          1107: 
        !          1108: 
        !          1109: Changes with nginx 1.0.0                                         12 Apr 2011
        !          1110: 
        !          1111:     *) Bugfix: a cache manager might hog CPU after reload.
        !          1112:        Thanks to Maxim Dounin.
        !          1113: 
        !          1114:     *) Bugfix: an "image_filter crop" directive worked incorrectly coupled
        !          1115:        with an "image_filter rotate 180" directive.
        !          1116: 
        !          1117:     *) Bugfix: a "satisfy any" directive disabled custom 401 error page.
        !          1118: 
        !          1119: 
        !          1120: Changes with nginx 0.9.7                                         04 Apr 2011
        !          1121: 
        !          1122:     *) Feature: now keepalive connections may be closed premature, if there
        !          1123:        are no free worker connections.
        !          1124:        Thanks to Maxim Dounin.
        !          1125: 
        !          1126:     *) Feature: the "rotate" parameter of the "image_filter" directive.
        !          1127:        Thanks to Adam Bocim.
        !          1128: 
        !          1129:     *) Bugfix: a case when a backend in "fastcgi_pass", "scgi_pass", or
        !          1130:        "uwsgi_pass" directives is given by expression and refers to a
        !          1131:        defined upstream.
        !          1132: 
        !          1133: 
        !          1134: Changes with nginx 0.9.6                                         21 Mar 2011
        !          1135: 
        !          1136:     *) Feature: the "map" directive supports regular expressions as value of
        !          1137:        the first parameter.
        !          1138: 
        !          1139:     *) Feature: $time_iso8601 access_log variable.
        !          1140:        Thanks to Michael Lustfield.
        !          1141: 
        !          1142: 
        !          1143: Changes with nginx 0.9.5                                         21 Feb 2011
        !          1144: 
        !          1145:     *) Change: now nginx uses a default listen backlog value -1 on Linux.
        !          1146:        Thanks to Andrei Nigmatulin.
        !          1147: 
        !          1148:     *) Feature: the "utf8" parameter of "geoip_country" and "geoip_city"
        !          1149:        directives.
        !          1150:        Thanks to Denis F. Latypoff.
        !          1151: 
        !          1152:     *) Bugfix: in a default "proxy_redirect" directive if "proxy_pass"
        !          1153:        directive has no URI part.
        !          1154:        Thanks to Maxim Dounin.
        !          1155: 
        !          1156:     *) Bugfix: an "error_page" directive did not work with nonstandard error
        !          1157:        codes; the bug had appeared in 0.8.53.
        !          1158:        Thanks to Maxim Dounin.
        !          1159: 
        !          1160: 
        !          1161: Changes with nginx 0.9.4                                         21 Jan 2011
        !          1162: 
        !          1163:     *) Feature: the "server_name" directive supports the $hostname variable.
        !          1164: 
        !          1165:     *) Feature: 494 code for "Request Header Too Large" error.
        !          1166: 
        !          1167: 
        !          1168: Changes with nginx 0.9.3                                         13 Dec 2010
        !          1169: 
        !          1170:     *) Bugfix: if there was a single server for given IPv6 address:port
        !          1171:        pair, then captures in regular expressions in a "server_name"
        !          1172:        directive did not work.
        !          1173: 
        !          1174:     *) Bugfix: nginx could not be built on Solaris; the bug had appeared in
        !          1175:        0.9.0.
        !          1176: 
        !          1177: 
        !          1178: Changes with nginx 0.9.2                                         06 Dec 2010
        !          1179: 
        !          1180:     *) Feature: the "If-Unmodified-Since" client request header line
        !          1181:        support.
        !          1182: 
        !          1183:     *) Workaround: fallback to accept() syscall if accept4() was not
        !          1184:        implemented; the issue had appeared in 0.9.0.
        !          1185: 
        !          1186:     *) Bugfix: nginx could not be built on Cygwin; the bug had appeared in
        !          1187:        0.9.0.
        !          1188: 
        !          1189:     *) Bugfix: for OpenSSL vulnerability CVE-2010-4180.
        !          1190:        Thanks to Maxim Dounin.
        !          1191: 
        !          1192: 
        !          1193: Changes with nginx 0.9.1                                         30 Nov 2010
        !          1194: 
        !          1195:     *) Bugfix: "return CODE message" directives did not work; the bug had
        !          1196:        appeared in 0.9.0.
        !          1197: 
        !          1198: 
        !          1199: Changes with nginx 0.9.0                                         29 Nov 2010
        !          1200: 
        !          1201:     *) Feature: the "keepalive_disable" directive.
        !          1202: 
        !          1203:     *) Feature: the "map" directive supports variables as value of a defined
        !          1204:        variable.
        !          1205: 
        !          1206:     *) Feature: the "map" directive supports empty strings as value of the
        !          1207:        first parameter.
        !          1208: 
        !          1209:     *) Feature: the "map" directive supports expressions as the first
        !          1210:        parameter.
        !          1211: 
        !          1212:     *) Feature: nginx(8) manual page.
        !          1213:        Thanks to Sergey Osokin.
        !          1214: 
        !          1215:     *) Feature: Linux accept4() support.
        !          1216:        Thanks to Simon Liu.
        !          1217: 
        !          1218:     *) Workaround: elimination of Linux linker warning about "sys_errlist"
        !          1219:        and "sys_nerr"; the warning had appeared in 0.8.35.
        !          1220: 
        !          1221:     *) Bugfix: a segmentation fault might occur in a worker process, if the
        !          1222:        "auth_basic" directive was used.
        !          1223:        Thanks to Michail Laletin.
        !          1224: 
        !          1225:     *) Bugfix: compatibility with ngx_http_eval_module; the bug had appeared
        !          1226:        in 0.8.42.
        !          1227: 
        !          1228: 
        !          1229: Changes with nginx 0.8.53                                        18 Oct 2010
        !          1230: 
        !          1231:     *) Feature: now the "error_page" directive allows to change a status
        !          1232:        code in a redirect.
        !          1233: 
        !          1234:     *) Feature: the "gzip_disable" directive supports special "degradation"
        !          1235:        mask.
        !          1236: 
        !          1237:     *) Bugfix: a socket leak might occurred if file AIO was used.
        !          1238:        Thanks to Maxim Dounin.
        !          1239: 
        !          1240:     *) Bugfix: if the first server had no "listen" directive and there was
        !          1241:        no explicit default server, then a next server with a "listen"
        !          1242:        directive became the default server; the bug had appeared in 0.8.21.
        !          1243: 
        !          1244: 
        !          1245: Changes with nginx 0.8.52                                        28 Sep 2010
        !          1246: 
        !          1247:     *) Bugfix: nginx used SSL mode for a listen socket if any listen option
        !          1248:        was set; the bug had appeared in 0.8.51.
        !          1249: 
        !          1250: 
        !          1251: Changes with nginx 0.8.51                                        27 Sep 2010
        !          1252: 
        !          1253:     *) Change: the "secure_link_expires" directive has been canceled.
        !          1254: 
        !          1255:     *) Change: a logging level of resolver errors has been lowered from
        !          1256:        "alert" to "error".
        !          1257: 
        !          1258:     *) Feature: now a listen socket "ssl" parameter may be set several
        !          1259:        times.
        !          1260: 
        !          1261: 
        !          1262: Changes with nginx 0.8.50                                        02 Sep 2010
        !          1263: 
        !          1264:     *) Feature: the "secure_link", "secure_link_md5", and
        !          1265:        "secure_link_expires" directives of the ngx_http_secure_link_module.
        !          1266: 
        !          1267:     *) Feature: the -q switch.
        !          1268:        Thanks to Gena Makhomed.
        !          1269: 
        !          1270:     *) Bugfix: worker processes may got caught in an endless loop during
        !          1271:        reconfiguration, if a caching was used; the bug had appeared in
        !          1272:        0.8.48.
        !          1273: 
        !          1274:     *) Bugfix: in the "gzip_disable" directive.
        !          1275:        Thanks to Derrick Petzold.
        !          1276: 
        !          1277:     *) Bugfix: nginx/Windows could not send stop, quit, reopen, and reload
        !          1278:        signals to a process run in other session.
        !          1279: 
        !          1280: 
        !          1281: Changes with nginx 0.8.49                                        09 Aug 2010
        !          1282: 
        !          1283:     *) Feature: the "image_filter_jpeg_quality" directive supports
        !          1284:        variables.
        !          1285: 
        !          1286:     *) Bugfix: a segmentation fault might occur in a worker process, if the
        !          1287:        $geoip_region_name variables was used; the bug had appeared in
        !          1288:        0.8.48.
        !          1289: 
        !          1290:     *) Bugfix: errors intercepted by error_page were cached only for next
        !          1291:        request; the bug had appeared in 0.8.48.
        !          1292: 
        !          1293: 
        !          1294: Changes with nginx 0.8.48                                        03 Aug 2010
        !          1295: 
        !          1296:     *) Change: now the "server_name" directive default value is an empty
        !          1297:        name "".
        !          1298:        Thanks to Gena Makhomed.
        !          1299: 
        !          1300:     *) Change: now the "server_name_in_redirect" directive default value is
        !          1301:        "off".
        !          1302: 
        !          1303:     *) Feature: the $geoip_dma_code, $geoip_area_code, and
        !          1304:        $geoip_region_name variables.
        !          1305:        Thanks to Christine McGonagle.
        !          1306: 
        !          1307:     *) Bugfix: the "proxy_pass", "fastcgi_pass", "uwsgi_pass", and
        !          1308:        "scgi_pass" directives were not inherited inside "limit_except"
        !          1309:        blocks.
        !          1310: 
        !          1311:     *) Bugfix: the "proxy_cache_min_uses", "fastcgi_cache_min_uses"
        !          1312:        "uwsgi_cache_min_uses", and "scgi_cache_min_uses" directives did not
        !          1313:        work; the bug had appeared in 0.8.46.
        !          1314: 
        !          1315:     *) Bugfix: the "fastcgi_split_path_info" directive used incorrectly
        !          1316:        captures, if only parts of an URI were captured.
        !          1317:        Thanks to Yuriy Taraday and Frank Enderle.
        !          1318: 
        !          1319:     *) Bugfix: the "rewrite" directive did not escape a ";" character during
        !          1320:        copying from URI to query string.
        !          1321:        Thanks to Daisuke Murase.
        !          1322: 
        !          1323:     *) Bugfix: the ngx_http_image_filter_module closed a connection, if an
        !          1324:        image was larger than "image_filter_buffer" size.
        !          1325: 
        !          1326: 
        !          1327: Changes with nginx 0.8.47                                        28 Jul 2010
        !          1328: 
        !          1329:     *) Bugfix: $request_time variable had invalid values for subrequests.
        !          1330: 
        !          1331:     *) Bugfix: errors intercepted by error_page could not be cached.
        !          1332: 
        !          1333:     *) Bugfix: a cache manager process may got caught in an endless loop, if
        !          1334:        max_size parameter was used; the bug had appeared in 0.8.46.
        !          1335: 
        !          1336: 
        !          1337: Changes with nginx 0.8.46                                        19 Jul 2010
        !          1338: 
        !          1339:     *) Change: now the "proxy_no_cache", "fastcgi_no_cache",
        !          1340:        "uwsgi_no_cache", and "scgi_no_cache" directives affect on a cached
        !          1341:        response saving only.
        !          1342: 
        !          1343:     *) Feature: the "proxy_cache_bypass", "fastcgi_cache_bypass",
        !          1344:        "uwsgi_cache_bypass", and "scgi_cache_bypass" directives.
        !          1345: 
        !          1346:     *) Bugfix: nginx did not free memory in cache keys zones if there was an
        !          1347:        error during working with backend: the memory was freed only after
        !          1348:        inactivity time or on memory low condition.
        !          1349: 
        !          1350: 
        !          1351: Changes with nginx 0.8.45                                        13 Jul 2010
        !          1352: 
        !          1353:     *) Feature: ngx_http_xslt_filter improvements.
        !          1354:        Thanks to Laurence Rowe.
        !          1355: 
        !          1356:     *) Bugfix: SSI response might be truncated after include with
        !          1357:        wait="yes"; the bug had appeared in 0.7.25.
        !          1358:        Thanks to Maxim Dounin.
        !          1359: 
        !          1360:     *) Bugfix: the "listen" directive did not support the "setfib=0"
        !          1361:        parameter.
        !          1362: 
        !          1363: 
        !          1364: Changes with nginx 0.8.44                                        05 Jul 2010
        !          1365: 
        !          1366:     *) Change: now nginx does not cache by default backend responses, if
        !          1367:        they have a "Set-Cookie" header line.
        !          1368: 
        !          1369:     *) Feature: the "listen" directive supports the "setfib" parameter.
        !          1370:        Thanks to Andrew Filonov.
        !          1371: 
        !          1372:     *) Bugfix: the "sub_filter" directive might change character case on
        !          1373:        partial match.
        !          1374: 
        !          1375:     *) Bugfix: compatibility with HP/UX.
        !          1376: 
        !          1377:     *) Bugfix: compatibility with AIX xlC_r compiler.
        !          1378: 
        !          1379:     *) Bugfix: nginx treated large SSLv2 packets as plain requests.
        !          1380:        Thanks to Miroslaw Jaworski.
        !          1381: 
        !          1382: 
        !          1383: Changes with nginx 0.8.43                                        30 Jun 2010
        !          1384: 
        !          1385:     *) Feature: large geo ranges base loading speed-up.
        !          1386: 
        !          1387:     *) Bugfix: an error_page redirection to "location /zero {return 204;}"
        !          1388:        without changing status code kept the error body; the bug had
        !          1389:        appeared in 0.8.42.
        !          1390: 
        !          1391:     *) Bugfix: nginx might close IPv6 listen socket during reconfiguration.
        !          1392:        Thanks to Maxim Dounin.
        !          1393: 
        !          1394:     *) Bugfix: the $uid_set variable may be used at any request processing
        !          1395:        stage.
        !          1396: 
        !          1397: 
        !          1398: Changes with nginx 0.8.42                                        21 Jun 2010
        !          1399: 
        !          1400:     *) Change: now nginx tests locations given by regular expressions, if
        !          1401:        request was matched exactly by a location given by a prefix string.
        !          1402:        The previous behavior has been introduced in 0.7.1.
        !          1403: 
        !          1404:     *) Feature: the ngx_http_scgi_module.
        !          1405:        Thanks to Manlio Perillo.
        !          1406: 
        !          1407:     *) Feature: a text answer may be added to a "return" directive.
        !          1408: 
        !          1409: 
        !          1410: Changes with nginx 0.8.41                                        15 Jun 2010
        !          1411: 
        !          1412:     *) Security: nginx/Windows worker might be terminated abnormally if a
        !          1413:        requested file name has invalid UTF-8 encoding.
        !          1414: 
        !          1415:     *) Change: now nginx allows to use spaces in a request line.
        !          1416: 
        !          1417:     *) Bugfix: the "proxy_redirect" directive changed incorrectly a backend
        !          1418:        "Refresh" response header line.
        !          1419:        Thanks to Andrey Andreew and Max Sogin.
        !          1420: 
        !          1421:     *) Bugfix: nginx did not support path without host name in "Destination"
        !          1422:        request header line.
        !          1423: 
        !          1424: 
        !          1425: Changes with nginx 0.8.40                                        07 Jun 2010
        !          1426: 
        !          1427:     *) Security: now nginx/Windows ignores default file stream name.
        !          1428:        Thanks to Jose Antonio Vazquez Gonzalez.
        !          1429: 
        !          1430:     *) Feature: the ngx_http_uwsgi_module.
        !          1431:        Thanks to Roberto De Ioris.
        !          1432: 
        !          1433:     *) Feature: a "fastcgi_param" directive with value starting with "HTTP_"
        !          1434:        overrides a client request header line.
        !          1435: 
        !          1436:     *) Bugfix: the "If-Modified-Since", "If-Range", etc. client request
        !          1437:        header lines were passed to FastCGI-server while caching.
        !          1438: 
        !          1439:     *) Bugfix: listen unix domain socket could not be changed during
        !          1440:        reconfiguration.
        !          1441:        Thanks to Maxim Dounin.
        !          1442: 
        !          1443: 
        !          1444: Changes with nginx 0.8.39                                        31 May 2010
        !          1445: 
        !          1446:     *) Bugfix: an inherited "alias" directive worked incorrectly in
        !          1447:        inclusive location.
        !          1448: 
        !          1449:     *) Bugfix: in "alias" with variables and "try_files" directives
        !          1450:        combination.
        !          1451: 
        !          1452:     *) Bugfix: listen unix domain and IPv6 sockets did not inherit while
        !          1453:        online upgrade.
        !          1454:        Thanks to Maxim Dounin.
        !          1455: 
        !          1456: 
        !          1457: Changes with nginx 0.8.38                                        24 May 2010
        !          1458: 
        !          1459:     *) Feature: the "proxy_no_cache" and "fastcgi_no_cache" directives.
        !          1460: 
        !          1461:     *) Feature: now the "rewrite" directive does a redirect automatically if
        !          1462:        the $scheme variable is used.
        !          1463:        Thanks to Piotr Sikora.
        !          1464: 
        !          1465:     *) Bugfix: now "limit_req" delay directive conforms to the described
        !          1466:        algorithm.
        !          1467:        Thanks to Maxim Dounin.
        !          1468: 
        !          1469:     *) Bugfix: the $uid_got variable might not be used in the SSI and perl
        !          1470:        modules.
        !          1471: 
        !          1472: 
        !          1473: Changes with nginx 0.8.37                                        17 May 2010
        !          1474: 
        !          1475:     *) Feature: the ngx_http_split_clients_module.
        !          1476: 
        !          1477:     *) Feature: the "map" directive supports keys more than 255 characters.
        !          1478: 
        !          1479:     *) Bugfix: nginx ignored the "private" and "no-store" values in the
        !          1480:        "Cache-Control" backend response header line.
        !          1481: 
        !          1482:     *) Bugfix: a "stub" parameter of an "include" SSI directive was not
        !          1483:        used, if empty response has 200 status code.
        !          1484: 
        !          1485:     *) Bugfix: if a proxied or FastCGI request was internally redirected to
        !          1486:        another proxied or FastCGI location, then a segmentation fault might
        !          1487:        occur in a worker process; the bug had appeared in 0.8.33.
        !          1488:        Thanks to Yichun Zhang.
        !          1489: 
        !          1490:     *) Bugfix: IMAP connections may hang until they timed out while talking
        !          1491:        to Zimbra server.
        !          1492:        Thanks to Alan Batie.
        !          1493: 
        !          1494: 
        !          1495: Changes with nginx 0.8.36                                        22 Apr 2010
        !          1496: 
        !          1497:     *) Bugfix: the ngx_http_dav_module handled incorrectly the DELETE, COPY,
        !          1498:        and MOVE methods for symlinks.
        !          1499: 
        !          1500:     *) Bugfix: values of the $query_string, $arg_..., etc. variables cached
        !          1501:        in main request were used by the SSI module in subrequests.
        !          1502: 
        !          1503:     *) Bugfix: a variable value was repeatedly encoded after each an "echo"
        !          1504:        SSI-command output; the bug had appeared in 0.6.14.
        !          1505: 
        !          1506:     *) Bugfix: a worker process hung if a FIFO file was requested.
        !          1507:        Thanks to Vicente Aguilar and Maxim Dounin.
        !          1508: 
        !          1509:     *) Bugfix: OpenSSL-1.0.0 compatibility on 64-bit Linux.
        !          1510:        Thanks to Maxim Dounin.
        !          1511: 
        !          1512:     *) Bugfix: nginx could not be built --without-http-cache; the bug had
        !          1513:        appeared in 0.8.35.
        !          1514: 
        !          1515: 
        !          1516: Changes with nginx 0.8.35                                        01 Apr 2010
        !          1517: 
        !          1518:     *) Change: now the charset filter runs before the SSI filter.
        !          1519: 
        !          1520:     *) Feature: the "chunked_transfer_encoding" directive.
        !          1521: 
        !          1522:     *) Bugfix: an "&" character was not escaped when it was copied in
        !          1523:        arguments part in a rewrite rule.
        !          1524: 
        !          1525:     *) Bugfix: nginx might be terminated abnormally while a signal
        !          1526:        processing or if the directive "timer_resolution" was used on
        !          1527:        platforms which do not support kqueue or eventport notification
        !          1528:        methods.
        !          1529:        Thanks to George Xie and Maxim Dounin.
        !          1530: 
        !          1531:     *) Bugfix: if temporary files and permanent storage area resided at
        !          1532:        different file systems, then permanent file modification times were
        !          1533:        incorrect.
        !          1534:        Thanks to Maxim Dounin.
        !          1535: 
        !          1536:     *) Bugfix: ngx_http_memcached_module might issue the error message
        !          1537:        "memcached sent invalid trailer".
        !          1538:        Thanks to Maxim Dounin.
        !          1539: 
        !          1540:     *) Bugfix: nginx could not built zlib-1.2.4 library using the library
        !          1541:        sources.
        !          1542:        Thanks to Maxim Dounin.
        !          1543: 
        !          1544:     *) Bugfix: a segmentation fault occurred in a worker process, if there
        !          1545:        was large stderr output before FastCGI response; the bug had appeared
        !          1546:        in 0.8.34.
        !          1547:        Thanks to Maxim Dounin.
        !          1548: 
        !          1549: 
        !          1550: Changes with nginx 0.8.34                                        03 Mar 2010
        !          1551: 
        !          1552:     *) Bugfix: nginx did not support all ciphers and digests used in client
        !          1553:        certificates.
        !          1554:        Thanks to Innocenty Enikeew.
        !          1555: 
        !          1556:     *) Bugfix: nginx cached incorrectly FastCGI responses if there was large
        !          1557:        stderr output before response.
        !          1558: 
        !          1559:     *) Bugfix: nginx did not support HTTPS referrers.
        !          1560: 
        !          1561:     *) Bugfix: nginx/Windows might not find file if path in configuration
        !          1562:        was given in other character case; the bug had appeared in 0.8.33.
        !          1563: 
        !          1564:     *) Bugfix: the $date_local variable has an incorrect value, if the "%s"
        !          1565:        format was used.
        !          1566:        Thanks to Maxim Dounin.
        !          1567: 
        !          1568:     *) Bugfix: if ssl_session_cache was not set or was set to "none", then
        !          1569:        during client certificate verify the error "session id context
        !          1570:        uninitialized" might occur; the bug had appeared in 0.7.1.
        !          1571: 
        !          1572:     *) Bugfix: a geo range returned default value if the range included two
        !          1573:        or more /16 networks and did not begin at /16 network boundary.
        !          1574: 
        !          1575:     *) Bugfix: a block used in a "stub" parameter of an "include" SSI
        !          1576:        directive was output with "text/plain" MIME type.
        !          1577: 
        !          1578:     *) Bugfix: $r->sleep() did not work; the bug had appeared in 0.8.11.
        !          1579: 
        !          1580: 
        !          1581: Changes with nginx 0.8.33                                        01 Feb 2010
        !          1582: 
        !          1583:     *) Security: now nginx/Windows ignores trailing spaces in URI.
        !          1584:        Thanks to Dan Crowley, Core Security Technologies.
        !          1585: 
        !          1586:     *) Security: now nginx/Windows ignores short files names.
        !          1587:        Thanks to Dan Crowley, Core Security Technologies.
        !          1588: 
        !          1589:     *) Change: now keepalive connections after POST requests are not
        !          1590:        disabled for MSIE 7.0+.
        !          1591:        Thanks to Adam Lounds.
        !          1592: 
        !          1593:     *) Workaround: now keepalive connections are disabled for Safari.
        !          1594:        Thanks to Joshua Sierles.
        !          1595: 
        !          1596:     *) Bugfix: if a proxied or FastCGI request was internally redirected to
        !          1597:        another proxied or FastCGI location, then $upstream_response_time
        !          1598:        variable may have abnormally large value; the bug had appeared in
        !          1599:        0.8.7.
        !          1600: 
        !          1601:     *) Bugfix: a segmentation fault might occur in a worker process, while
        !          1602:        discarding a request body; the bug had appeared in 0.8.11.
        !          1603: 
        !          1604: 
        !          1605: Changes with nginx 0.8.32                                        11 Jan 2010
        !          1606: 
        !          1607:     *) Bugfix: UTF-8 encoding usage in the ngx_http_autoindex_module.
        !          1608:        Thanks to Maxim Dounin.
        !          1609: 
        !          1610:     *) Bugfix: regular expression named captures worked for two names only.
        !          1611:        Thanks to Maxim Dounin.
        !          1612: 
        !          1613:     *) Bugfix: now the "localhost" name is used in the "Host" request header
        !          1614:        line, if an unix domain socket is defined in the "auth_http"
        !          1615:        directive.
        !          1616:        Thanks to Maxim Dounin.
        !          1617: 
        !          1618:     *) Bugfix: nginx did not support chunked transfer encoding for 201
        !          1619:        responses.
        !          1620:        Thanks to Julian Reich.
        !          1621: 
        !          1622:     *) Bugfix: if the "expires modified" set date in the past, then a
        !          1623:        negative number was set in the "Cache-Control" response header line.
        !          1624:        Thanks to Alex Kapranoff.
        !          1625: 
        !          1626: 
        !          1627: Changes with nginx 0.8.31                                        23 Dec 2009
        !          1628: 
        !          1629:     *) Feature: now the "error_page" directive may redirect the 301 and 302
        !          1630:        responses.
        !          1631: 
        !          1632:     *) Feature: the $geoip_city_continent_code, $geoip_latitude, and
        !          1633:        $geoip_longitude variables.
        !          1634:        Thanks to Arvind Sundararajan.
        !          1635: 
        !          1636:     *) Feature: now the ngx_http_image_filter_module deletes always EXIF and
        !          1637:        other application specific data if the data consume more than 5% of a
        !          1638:        JPEG file.
        !          1639: 
        !          1640:     *) Bugfix: nginx closed a connection if a cached response had an empty
        !          1641:        body.
        !          1642:        Thanks to Piotr Sikora.
        !          1643: 
        !          1644:     *) Bugfix: nginx might not be built by gcc 4.x if the -O2 or higher
        !          1645:        optimization option was used.
        !          1646:        Thanks to Maxim Dounin and Denis F. Latypoff.
        !          1647: 
        !          1648:     *) Bugfix: regular expressions in location were always tested in
        !          1649:        case-sensitive mode; the bug had appeared in 0.8.25.
        !          1650: 
        !          1651:     *) Bugfix: nginx cached a 304 response if there was the "If-None-Match"
        !          1652:        header line in a proxied request.
        !          1653:        Thanks to Tim Dettrick and David Kostal.
        !          1654: 
        !          1655:     *) Bugfix: nginx/Windows tried to delete a temporary file twice if the
        !          1656:        file should replace an already existent file.
        !          1657: 
        !          1658: 
        !          1659: Changes with nginx 0.8.30                                        15 Dec 2009
        !          1660: 
        !          1661:     *) Change: now the default buffer size of the
        !          1662:        "large_client_header_buffers" directive is 8K.
        !          1663:        Thanks to Andrew Cholakian.
        !          1664: 
        !          1665:     *) Feature: the conf/fastcgi.conf for simple FastCGI configurations.
        !          1666: 
        !          1667:     *) Bugfix: nginx/Windows tried to rename a temporary file twice if the
        !          1668:        file should replace an already existent file.
        !          1669: 
        !          1670:     *) Bugfix: of "double free or corruption" error issued if host could not
        !          1671:        be resolved; the bug had appeared in 0.8.22.
        !          1672:        Thanks to Konstantin Svist.
        !          1673: 
        !          1674:     *) Bugfix: in libatomic usage on some platforms.
        !          1675:        Thanks to W-Mark Kubacki.
        !          1676: 
        !          1677: 
        !          1678: Changes with nginx 0.8.29                                        30 Nov 2009
        !          1679: 
        !          1680:     *) Change: now the "009" status code is written to an access log for
        !          1681:        proxied HTTP/0.9 responses.
        !          1682: 
        !          1683:     *) Feature: the "addition_types", "charset_types", "gzip_types",
        !          1684:        "ssi_types", "sub_filter_types", and "xslt_types" directives support
        !          1685:        an "*" parameter.
        !          1686: 
        !          1687:     *) Feature: GCC 4.1+ built-in atomic operations usage.
        !          1688:        Thanks to W-Mark Kubacki.
        !          1689: 
        !          1690:     *) Feature: the --with-libatomic[=DIR] option in the configure.
        !          1691:        Thanks to W-Mark Kubacki.
        !          1692: 
        !          1693:     *) Bugfix: listen unix domain socket had limited access rights.
        !          1694: 
        !          1695:     *) Bugfix: cached HTTP/0.9 responses were handled incorrectly.
        !          1696: 
        !          1697:     *) Bugfix: regular expression named captures given by "?P<...>" did not
        !          1698:        work in a "server_name" directive.
        !          1699:        Thanks to Maxim Dounin.
        !          1700: 
        !          1701: 
        !          1702: Changes with nginx 0.8.28                                        23 Nov 2009
        !          1703: 
        !          1704:     *) Bugfix: nginx could not be built with the --without-pcre parameter;
        !          1705:        the bug had appeared in 0.8.25.
        !          1706: 
        !          1707: 
        !          1708: Changes with nginx 0.8.27                                        17 Nov 2009
        !          1709: 
        !          1710:     *) Bugfix: regular expressions did not work in nginx/Windows; the bug
        !          1711:        had appeared in 0.8.25.
        !          1712: 
        !          1713: 
        !          1714: Changes with nginx 0.8.26                                        16 Nov 2009
        !          1715: 
        !          1716:     *) Bugfix: in captures usage in "rewrite" directive; the bug had
        !          1717:        appeared in 0.8.25.
        !          1718: 
        !          1719:     *) Bugfix: nginx could not be built without the --with-debug option; the
        !          1720:        bug had appeared in 0.8.25.
        !          1721: 
        !          1722: 
        !          1723: Changes with nginx 0.8.25                                        16 Nov 2009
        !          1724: 
        !          1725:     *) Change: now no message is written in an error log if a variable is
        !          1726:        not found by $r->variable() method.
        !          1727: 
        !          1728:     *) Feature: the ngx_http_degradation_module.
        !          1729: 
        !          1730:     *) Feature: regular expression named captures.
        !          1731: 
        !          1732:     *) Feature: now URI part is not required a "proxy_pass" directive if
        !          1733:        variables are used.
        !          1734: 
        !          1735:     *) Feature: now the "msie_padding" directive works for Chrome too.
        !          1736: 
        !          1737:     *) Bugfix: a segmentation fault occurred in a worker process on low
        !          1738:        memory condition; the bug had appeared in 0.8.18.
        !          1739: 
        !          1740:     *) Bugfix: nginx sent gzipped responses to clients those do not support
        !          1741:        gzip, if "gzip_static on" and "gzip_vary off"; the bug had appeared
        !          1742:        in 0.8.16.
        !          1743: 
        !          1744: 
        !          1745: Changes with nginx 0.8.24                                        11 Nov 2009
        !          1746: 
        !          1747:     *) Bugfix: nginx always added "Content-Encoding: gzip" response header
        !          1748:        line in 304 responses sent by ngx_http_gzip_static_module.
        !          1749: 
        !          1750:     *) Bugfix: nginx could not be built without the --with-debug option; the
        !          1751:        bug had appeared in 0.8.23.
        !          1752: 
        !          1753:     *) Bugfix: the "unix:" parameter of the "set_real_ip_from" directive
        !          1754:        inherited incorrectly from previous level.
        !          1755: 
        !          1756:     *) Bugfix: in resolving empty name.
        !          1757: 
        !          1758: 
        !          1759: Changes with nginx 0.8.23                                        11 Nov 2009
        !          1760: 
        !          1761:     *) Security: now SSL/TLS renegotiation is disabled.
        !          1762:        Thanks to Maxim Dounin.
        !          1763: 
        !          1764:     *) Bugfix: listen unix domain socket did not inherit while online
        !          1765:        upgrade.
        !          1766: 
        !          1767:     *) Bugfix: the "unix:" parameter of the "set_real_ip_from" directive did
        !          1768:        not without yet another directive with any IP address.
        !          1769: 
        !          1770:     *) Bugfix: segmentation fault and infinite looping in resolver.
        !          1771: 
        !          1772:     *) Bugfix: in resolver.
        !          1773:        Thanks to Artem Bokhan.
        !          1774: 
        !          1775: 
        !          1776: Changes with nginx 0.8.22                                        03 Nov 2009
        !          1777: 
        !          1778:     *) Feature: the "proxy_bind", "fastcgi_bind", and "memcached_bind"
        !          1779:        directives.
        !          1780: 
        !          1781:     *) Feature: the "access" and the "deny" directives support IPv6.
        !          1782: 
        !          1783:     *) Feature: the "set_real_ip_from" directive supports IPv6 addresses in
        !          1784:        request headers.
        !          1785: 
        !          1786:     *) Feature: the "unix:" parameter of the "set_real_ip_from" directive.
        !          1787: 
        !          1788:     *) Bugfix: nginx did not delete unix domain socket after configuration
        !          1789:        testing.
        !          1790: 
        !          1791:     *) Bugfix: nginx deleted unix domain socket while online upgrade.
        !          1792: 
        !          1793:     *) Bugfix: the "!-x" operator did not work.
        !          1794:        Thanks to Maxim Dounin.
        !          1795: 
        !          1796:     *) Bugfix: a segmentation fault might occur in a worker process, if
        !          1797:        limit_rate was used in HTTPS server.
        !          1798:        Thanks to Maxim Dounin.
        !          1799: 
        !          1800:     *) Bugfix: a segmentation fault might occur in a worker process while
        !          1801:        $limit_rate logging.
        !          1802:        Thanks to Maxim Dounin.
        !          1803: 
        !          1804:     *) Bugfix: a segmentation fault might occur in a worker process, if
        !          1805:        there was no "listen" directive in "server" block; the bug had
        !          1806:        appeared in 0.8.21.
        !          1807: 
        !          1808: 
        !          1809: Changes with nginx 0.8.21                                        26 Oct 2009
        !          1810: 
        !          1811:     *) Feature: now the "-V" switch shows TLS SNI support.
        !          1812: 
        !          1813:     *) Feature: the "listen" directive of the HTTP module supports unix
        !          1814:        domain sockets.
        !          1815:        Thanks to Hongli Lai.
        !          1816: 
        !          1817:     *) Feature: the "default_server" parameter of the "listen" directive.
        !          1818: 
        !          1819:     *) Feature: now a "default" parameter is not required to set listen
        !          1820:        socket options.
        !          1821: 
        !          1822:     *) Bugfix: nginx did not support dates in 2038 year on 32-bit platforms;
        !          1823: 
        !          1824:     *) Bugfix: socket leak; the bug had appeared in 0.8.11.
        !          1825: 
        !          1826: 
        !          1827: Changes with nginx 0.8.20                                        14 Oct 2009
        !          1828: 
        !          1829:     *) Change: now default SSL ciphers are "HIGH:!ADH:!MD5".
        !          1830: 
        !          1831:     *) Bugfix: the ngx_http_autoindex_module did not show the trailing slash
        !          1832:        in links to a directory; the bug had appeared in 0.7.15.
        !          1833: 
        !          1834:     *) Bugfix: nginx did not close a log file set by the --error-log-path
        !          1835:        configuration option; the bug had appeared in 0.7.53.
        !          1836: 
        !          1837:     *) Bugfix: nginx did not treat a comma as separator in the
        !          1838:        "Cache-Control" backend response header line.
        !          1839: 
        !          1840:     *) Bugfix: nginx/Windows might not create temporary file, a cache file,
        !          1841:        or "proxy/fastcgi_store"d file if a worker had no enough access
        !          1842:        rights for top level directories.
        !          1843: 
        !          1844:     *) Bugfix: the "Set-Cookie" and "P3P" FastCGI response header lines were
        !          1845:        not hidden while caching if no "fastcgi_hide_header" directives were
        !          1846:        used with any parameters.
        !          1847: 
        !          1848:     *) Bugfix: nginx counted incorrectly disk cache size.
        !          1849: 
        !          1850: 
        !          1851: Changes with nginx 0.8.19                                        06 Oct 2009
        !          1852: 
        !          1853:     *) Change: now SSLv2 protocol is disabled by default.
        !          1854: 
        !          1855:     *) Change: now default SSL ciphers are "ALL:!ADH:RC4+RSA:+HIGH:+MEDIUM".
        !          1856: 
        !          1857:     *) Bugfix: a "limit_req" directive did not work; the bug had appeared in
        !          1858:        0.8.18.
        !          1859: 
        !          1860: 
        !          1861: Changes with nginx 0.8.18                                        06 Oct 2009
        !          1862: 
        !          1863:     *) Feature: the "read_ahead" directive.
        !          1864: 
        !          1865:     *) Feature: now several "perl_modules" directives may be used.
        !          1866: 
        !          1867:     *) Feature: the "limit_req_log_level" and "limit_conn_log_level"
        !          1868:        directives.
        !          1869: 
        !          1870:     *) Bugfix: now "limit_req" directive conforms to the leaky bucket
        !          1871:        algorithm.
        !          1872:        Thanks to Maxim Dounin.
        !          1873: 
        !          1874:     *) Bugfix: nginx did not work on Linux/sparc.
        !          1875:        Thanks to Marcus Ramberg.
        !          1876: 
        !          1877:     *) Bugfix: nginx sent '\0' in a "Location" response header line on MKCOL
        !          1878:        request.
        !          1879:        Thanks to Xie Zhenye.
        !          1880: 
        !          1881:     *) Bugfix: zero status code was logged instead of 499 status code; the
        !          1882:        bug had appeared in 0.8.11.
        !          1883: 
        !          1884:     *) Bugfix: socket leak; the bug had appeared in 0.8.11.
        !          1885: 
        !          1886: 
        !          1887: Changes with nginx 0.8.17                                        28 Sep 2009
        !          1888: 
        !          1889:     *) Security: now "/../" are disabled in "Destination" request header
        !          1890:        line.
        !          1891: 
        !          1892:     *) Change: now $host variable value is always low case.
        !          1893: 
        !          1894:     *) Feature: the $ssl_session_id variable.
        !          1895: 
        !          1896:     *) Bugfix: socket leak; the bug had appeared in 0.8.11.
        !          1897: 
        !          1898: 
        !          1899: Changes with nginx 0.8.16                                        22 Sep 2009
        !          1900: 
        !          1901:     *) Feature: the "image_filter_transparency" directive.
        !          1902: 
        !          1903:     *) Bugfix: "addition_types" directive was incorrectly named
        !          1904:        "addtion_types".
        !          1905: 
        !          1906:     *) Bugfix: resolver cache poisoning.
        !          1907:        Thanks to Matthew Dempsky.
        !          1908: 
        !          1909:     *) Bugfix: memory leak in resolver.
        !          1910:        Thanks to Matthew Dempsky.
        !          1911: 
        !          1912:     *) Bugfix: invalid request line in $request variable was written in
        !          1913:        access_log only if error_log was set to "info" or "debug" level.
        !          1914: 
        !          1915:     *) Bugfix: in PNG alpha-channel support in the
        !          1916:        ngx_http_image_filter_module.
        !          1917: 
        !          1918:     *) Bugfix: nginx always added "Vary: Accept-Encoding" response header
        !          1919:        line, if both "gzip_static" and "gzip_vary" were on.
        !          1920: 
        !          1921:     *) Bugfix: in UTF-8 encoding support by "try_files" directive in
        !          1922:        nginx/Windows.
        !          1923: 
        !          1924:     *) Bugfix: in "post_action" directive usage; the bug had appeared in
        !          1925:        0.8.11.
        !          1926:        Thanks to Igor Artemiev.
        !          1927: 
        !          1928: 
        !          1929: Changes with nginx 0.8.15                                        14 Sep 2009
        !          1930: 
        !          1931:     *) Security: a segmentation fault might occur in worker process while
        !          1932:        specially crafted request handling.
        !          1933:        Thanks to Chris Ries.
        !          1934: 
        !          1935:     *) Bugfix: if names .domain.tld, .sub.domain.tld, and .domain-some.tld
        !          1936:        were defined, then the name .sub.domain.tld was matched by
        !          1937:        .domain.tld.
        !          1938: 
        !          1939:     *) Bugfix: in transparency support in the ngx_http_image_filter_module.
        !          1940: 
        !          1941:     *) Bugfix: in file AIO.
        !          1942: 
        !          1943:     *) Bugfix: in X-Accel-Redirect usage; the bug had appeared in 0.8.11.
        !          1944: 
        !          1945:     *) Bugfix: in embedded perl module; the bug had appeared in 0.8.11.
        !          1946: 
        !          1947: 
        !          1948: Changes with nginx 0.8.14                                        07 Sep 2009
        !          1949: 
        !          1950:     *) Bugfix: an expired cached response might stick in the "UPDATING"
        !          1951:        state.
        !          1952: 
        !          1953:     *) Bugfix: a segmentation fault might occur in worker process, if
        !          1954:        error_log was set to info or debug level.
        !          1955:        Thanks to Sergey Bochenkov.
        !          1956: 
        !          1957:     *) Bugfix: in embedded perl module; the bug had appeared in 0.8.11.
        !          1958: 
        !          1959:     *) Bugfix: an "error_page" directive did not redirect a 413 error; the
        !          1960:        bug had appeared in 0.6.10.
        !          1961: 
        !          1962: 
        !          1963: Changes with nginx 0.8.13                                        31 Aug 2009
        !          1964: 
        !          1965:     *) Bugfix: in the "aio sendfile" directive; the bug had appeared in
        !          1966:        0.8.12.
        !          1967: 
        !          1968:     *) Bugfix: nginx could not be built without the --with-file-aio option
        !          1969:        on FreeBSD; the bug had appeared in 0.8.12.
        !          1970: 
        !          1971: 
        !          1972: Changes with nginx 0.8.12                                        31 Aug 2009
        !          1973: 
        !          1974:     *) Feature: the "sendfile" parameter in the "aio" directive on FreeBSD.
        !          1975: 
        !          1976:     *) Bugfix: in try_files; the bug had appeared in 0.8.11.
        !          1977: 
        !          1978:     *) Bugfix: in memcached; the bug had appeared in 0.8.11.
        !          1979: 
        !          1980: 
        !          1981: Changes with nginx 0.8.11                                        28 Aug 2009
        !          1982: 
        !          1983:     *) Change: now directive "gzip_disable msie6" does not disable gzipping
        !          1984:        for MSIE 6.0 SV1.
        !          1985: 
        !          1986:     *) Feature: file AIO support on FreeBSD and Linux.
        !          1987: 
        !          1988:     *) Feature: the "directio_alignment" directive.
        !          1989: 
        !          1990: 
        !          1991: Changes with nginx 0.8.10                                        24 Aug 2009
        !          1992: 
        !          1993:     *) Bugfix: memory leaks if GeoIP City database was used.
        !          1994: 
        !          1995:     *) Bugfix: in copying temporary files to permanent storage area; the bug
        !          1996:        had appeared in 0.8.9.
        !          1997: 
        !          1998: 
        !          1999: Changes with nginx 0.8.9                                         17 Aug 2009
        !          2000: 
        !          2001:     *) Feature: now the start cache loader runs in a separate process; this
        !          2002:        should improve large caches handling.
        !          2003: 
        !          2004:     *) Feature: now temporary files and permanent storage area may reside at
        !          2005:        different file systems.
        !          2006: 
        !          2007: 
        !          2008: Changes with nginx 0.8.8                                         10 Aug 2009
        !          2009: 
        !          2010:     *) Bugfix: in handling FastCGI headers split in records.
        !          2011: 
        !          2012:     *) Bugfix: a segmentation fault occurred in worker process, if a request
        !          2013:        was handled in two proxied or FastCGIed locations and a caching was
        !          2014:        enabled in the first location; the bug had appeared in 0.8.7.
        !          2015: 
        !          2016: 
        !          2017: Changes with nginx 0.8.7                                         27 Jul 2009
        !          2018: 
        !          2019:     *) Change: minimum supported OpenSSL version is 0.9.7.
        !          2020: 
        !          2021:     *) Change: the "ask" parameter of the "ssl_verify_client" directive was
        !          2022:        changed to the "optional" parameter and now it checks a client
        !          2023:        certificate if it was offered.
        !          2024:        Thanks to Brice Figureau.
        !          2025: 
        !          2026:     *) Feature: the $ssl_client_verify variable.
        !          2027:        Thanks to Brice Figureau.
        !          2028: 
        !          2029:     *) Feature: the "ssl_crl" directive.
        !          2030:        Thanks to Brice Figureau.
        !          2031: 
        !          2032:     *) Feature: the "proxy" parameter of the "geo" directive.
        !          2033: 
        !          2034:     *) Feature: the "image_filter" directive supports variables for setting
        !          2035:        size.
        !          2036: 
        !          2037:     *) Bugfix: the $ssl_client_cert variable usage corrupted memory; the bug
        !          2038:        had appeared in 0.7.7.
        !          2039:        Thanks to Sergey Zhuravlev.
        !          2040: 
        !          2041:     *) Bugfix: "proxy_pass_header" and "fastcgi_pass_header" directives did
        !          2042:        not pass to a client the "X-Accel-Redirect", "X-Accel-Limit-Rate",
        !          2043:        "X-Accel-Buffering", and "X-Accel-Charset" lines from backend
        !          2044:        response header.
        !          2045:        Thanks to Maxim Dounin.
        !          2046: 
        !          2047:     *) Bugfix: in handling "Last-Modified" and "Accept-Ranges" backend
        !          2048:        response header lines; the bug had appeared in 0.7.44.
        !          2049:        Thanks to Maxim Dounin.
        !          2050: 
        !          2051:     *) Bugfix: the "[alert] zero size buf" error if subrequest returns an
        !          2052:        empty response; the bug had appeared in 0.8.5.
        !          2053: 
        !          2054: 
        !          2055: Changes with nginx 0.8.6                                         20 Jul 2009
        !          2056: 
        !          2057:     *) Feature: the ngx_http_geoip_module.
        !          2058: 
        !          2059:     *) Bugfix: XSLT filter may fail with message "not well formed XML
        !          2060:        document" for valid XML document.
        !          2061:        Thanks to Kuramoto Eiji.
        !          2062: 
        !          2063:     *) Bugfix: now in MacOSX, Cygwin, and nginx/Windows locations given by a
        !          2064:        regular expression are always tested in case insensitive mode.
        !          2065: 
        !          2066:     *) Bugfix: now nginx/Windows ignores trailing dots in URI.
        !          2067:        Thanks to Hugo Leisink.
        !          2068: 
        !          2069:     *) Bugfix: name of file specified in --conf-path was not honored during
        !          2070:        installation; the bug had appeared in 0.6.6.
        !          2071:        Thanks to Maxim Dounin.
        !          2072: 
        !          2073: 
        !          2074: Changes with nginx 0.8.5                                         13 Jul 2009
        !          2075: 
        !          2076:     *) Bugfix: now nginx allows underscores in a request method.
        !          2077: 
        !          2078:     *) Bugfix: a 500 error code was returned for invalid login/password
        !          2079:        while HTTP Basic authentication on Windows.
        !          2080: 
        !          2081:     *) Bugfix: ngx_http_perl_module responses did not work in subrequests.
        !          2082: 
        !          2083:     *) Bugfix: in ngx_http_limit_req_module.
        !          2084:        Thanks to Maxim Dounin.
        !          2085: 
        !          2086: 
        !          2087: Changes with nginx 0.8.4                                         22 Jun 2009
        !          2088: 
        !          2089:     *) Bugfix: nginx could not be built --without-http-cache; the bug had
        !          2090:        appeared in 0.8.3.
        !          2091: 
        !          2092: 
        !          2093: Changes with nginx 0.8.3                                         19 Jun 2009
        !          2094: 
        !          2095:     *) Feature: the $upstream_cache_status variable.
        !          2096: 
        !          2097:     *) Bugfix: nginx could not be built on MacOSX 10.6.
        !          2098: 
        !          2099:     *) Bugfix: nginx could not be built --without-http-cache; the bug had
        !          2100:        appeared in 0.8.2.
        !          2101: 
        !          2102:     *) Bugfix: a segmentation fault occurred in worker process, if a backend
        !          2103:        401 error was intercepted and the backend did not set the
        !          2104:        "WWW-Authenticate" response header line.
        !          2105:        Thanks to Eugene Mychlo.
        !          2106: 
        !          2107: 
        !          2108: Changes with nginx 0.8.2                                         15 Jun 2009
        !          2109: 
        !          2110:     *) Bugfix: in open_file_cache and proxy/fastcgi cache interaction on
        !          2111:        start up.
        !          2112: 
        !          2113:     *) Bugfix: open_file_cache might cache open file descriptors too long;
        !          2114:        the bug had appeared in 0.7.4.
        !          2115: 
        !          2116: 
        !          2117: Changes with nginx 0.8.1                                         08 Jun 2009
        !          2118: 
        !          2119:     *) Feature: the "updating" parameter in "proxy_cache_use_stale" and
        !          2120:        "fastcgi_cache_use_stale" directives.
        !          2121: 
        !          2122:     *) Bugfix: the "If-Modified-Since", "If-Range", etc. client request
        !          2123:        header lines were passed to backend while caching if no
        !          2124:        "proxy_set_header" directive was used with any parameters.
        !          2125: 
        !          2126:     *) Bugfix: the "Set-Cookie" and "P3P" response header lines were not
        !          2127:        hidden while caching if no "proxy_hide_header/fastcgi_hide_header"
        !          2128:        directives were used with any parameters.
        !          2129: 
        !          2130:     *) Bugfix: the ngx_http_image_filter_module did not support GIF87a
        !          2131:        format.
        !          2132:        Thanks to Denis Ilyinyh.
        !          2133: 
        !          2134:     *) Bugfix: nginx could not be built modules on Solaris 10 and early; the
        !          2135:        bug had appeared in 0.7.56.
        !          2136: 
        !          2137: 
        !          2138: Changes with nginx 0.8.0                                         02 Jun 2009
        !          2139: 
        !          2140:     *) Feature: the "keepalive_requests" directive.
        !          2141: 
        !          2142:     *) Feature: the "limit_rate_after" directive.
        !          2143:        Thanks to Ivan Debnar.
        !          2144: 
        !          2145:     *) Bugfix: XLST filter did not work in subrequests.
        !          2146: 
        !          2147:     *) Bugfix: in relative paths handling in nginx/Windows.
        !          2148: 
        !          2149:     *) Bugfix: in proxy_store, fastcgi_store, proxy_cache, and fastcgi_cache
        !          2150:        in nginx/Windows.
        !          2151: 
        !          2152:     *) Bugfix: in memory allocation error handling.
        !          2153:        Thanks to Maxim Dounin and Kirill A. Korinskiy.
        !          2154: 
        !          2155: 
        !          2156: Changes with nginx 0.7.59                                        25 May 2009
        !          2157: 
        !          2158:     *) Feature: the "proxy_cache_methods" and "fastcgi_cache_methods"
        !          2159:        directives.
        !          2160: 
        !          2161:     *) Bugfix: socket leak; the bug had appeared in 0.7.25.
        !          2162:        Thanks to Maxim Dounin.
        !          2163: 
        !          2164:     *) Bugfix: a segmentation fault occurred in worker process, if a request
        !          2165:        had no body and the $request_body variable was used;
        !          2166:        the bug had appeared in 0.7.58.
        !          2167: 
        !          2168:     *) Bugfix: the SSL modules might not built on Solaris and Linux;
        !          2169:        the bug had appeared in 0.7.56.
        !          2170: 
        !          2171:     *) Bugfix: ngx_http_xslt_filter_module responses were not handled by
        !          2172:        SSI, charset, and gzip filters.
        !          2173: 
        !          2174:     *) Bugfix: a "charset" directive did not set a charset to
        !          2175:        ngx_http_gzip_static_module responses.
        !          2176: 
        !          2177: 
        !          2178: Changes with nginx 0.7.58                                        18 May 2009
        !          2179: 
        !          2180:     *) Feature: a "listen" directive of the mail proxy module supports IPv6.
        !          2181: 
        !          2182:     *) Feature: the "image_filter_jpeg_quality" directive.
        !          2183: 
        !          2184:     *) Feature: the "client_body_in_single_buffer" directive.
        !          2185: 
        !          2186:     *) Feature: the $request_body variable.
        !          2187: 
        !          2188:     *) Bugfix: in ngx_http_autoindex_module in file name links having a ":"
        !          2189:        symbol in the name.
        !          2190: 
        !          2191:     *) Bugfix: "make upgrade" procedure did not work; the bug had appeared
        !          2192:        in 0.7.53.
        !          2193:        Thanks to Denis F. Latypoff.
        !          2194: 
        !          2195: 
        !          2196: Changes with nginx 0.7.57                                        12 May 2009
        !          2197: 
        !          2198:     *) Bugfix: a floating-point fault occurred in worker process, if the
        !          2199:        ngx_http_image_filter_module errors were redirected to named
        !          2200:        location; the bug had appeared in 0.7.56.
        !          2201: 
        !          2202: 
        !          2203: Changes with nginx 0.7.56                                        11 May 2009
        !          2204: 
        !          2205:     *) Feature: nginx/Windows supports IPv6 in a "listen" directive of the
        !          2206:        HTTP module.
        !          2207: 
        !          2208:     *) Bugfix: in ngx_http_image_filter_module.
        !          2209: 
        !          2210: 
        !          2211: Changes with nginx 0.7.55                                        06 May 2009
        !          2212: 
        !          2213:     *) Bugfix: the http_XXX parameters in "proxy_cache_use_stale" and
        !          2214:        "fastcgi_cache_use_stale" directives did not work.
        !          2215: 
        !          2216:     *) Bugfix: fastcgi cache did not cache header only responses.
        !          2217: 
        !          2218:     *) Bugfix: of "select() failed (9: Bad file descriptor)" error in
        !          2219:        nginx/Unix and "select() failed (10038: ...)" error in nginx/Windows.
        !          2220: 
        !          2221:     *) Bugfix: a segmentation fault might occur in worker process, if an
        !          2222:        "debug_connection" directive was used; the bug had appeared in
        !          2223:        0.7.54.
        !          2224: 
        !          2225:     *) Bugfix: fix ngx_http_image_filter_module building errors.
        !          2226: 
        !          2227:     *) Bugfix: the files bigger than 2G could not be transferred using
        !          2228:        $r->sendfile.
        !          2229:        Thanks to Maxim Dounin.
        !          2230: 
        !          2231: 
        !          2232: Changes with nginx 0.7.54                                        01 May 2009
        !          2233: 
        !          2234:     *) Feature: the ngx_http_image_filter_module.
        !          2235: 
        !          2236:     *) Feature: the "proxy_ignore_headers" and "fastcgi_ignore_headers"
        !          2237:        directives.
        !          2238: 
        !          2239:     *) Bugfix: a segmentation fault might occur in worker process, if an
        !          2240:        "open_file_cache_errors off" directive was used; the bug had appeared
        !          2241:        in 0.7.53.
        !          2242: 
        !          2243:     *) Bugfix: the "port_in_redirect off" directive did not work; the bug
        !          2244:        had appeared in 0.7.39.
        !          2245: 
        !          2246:     *) Bugfix: improve handling of "select" method errors.
        !          2247: 
        !          2248:     *) Bugfix: of "select() failed (10022: ...)" error in nginx/Windows.
        !          2249: 
        !          2250:     *) Bugfix: in error text descriptions in nginx/Windows; the bug had
        !          2251:        appeared in 0.7.53.
        !          2252: 
        !          2253: 
        !          2254: Changes with nginx 0.7.53                                        27 Apr 2009
        !          2255: 
        !          2256:     *) Change: now a log set by --error-log-path is created from the very
        !          2257:        start-up.
        !          2258: 
        !          2259:     *) Feature: now the start up errors and warnings are outputted to an
        !          2260:        error_log and stderr.
        !          2261: 
        !          2262:     *) Feature: the empty --prefix= configure parameter forces nginx to use
        !          2263:        a directory where it was run as prefix.
        !          2264: 
        !          2265:     *) Feature: the -p switch.
        !          2266: 
        !          2267:     *) Feature: the -s switch on Unix platforms.
        !          2268: 
        !          2269:     *) Feature: the -? and -h switches.
        !          2270:        Thanks to Jerome Loyet.
        !          2271: 
        !          2272:     *) Feature: now switches may be set in condensed form.
        !          2273: 
        !          2274:     *) Bugfix: nginx/Windows did not work if configuration file was given by
        !          2275:        the -c switch.
        !          2276: 
        !          2277:     *) Bugfix: temporary files might be not removed if the "proxy_store",
        !          2278:        "fastcgi_store", "proxy_cache", or "fastcgi_cache" were used.
        !          2279:        Thanks to Maxim Dounin.
        !          2280: 
        !          2281:     *) Bugfix: an incorrect value was passed to mail proxy authentication
        !          2282:        server in "Auth-Method" header line; the bug had appeared
        !          2283:        in 0.7.34.
        !          2284:        Thanks to Simon Lecaille.
        !          2285: 
        !          2286:     *) Bugfix: system error text descriptions were not logged on Linux;
        !          2287:        the bug had appeared in 0.7.45.
        !          2288: 
        !          2289:     *) Bugfix: the "fastcgi_cache_min_uses" directive did not work.
        !          2290:        Thanks to Andrew Vorobyoff.
        !          2291: 
        !          2292: 
        !          2293: Changes with nginx 0.7.52                                        20 Apr 2009
        !          2294: 
        !          2295:     *) Feature: the first native Windows binary release.
        !          2296: 
        !          2297:     *) Bugfix: in processing HEAD method while caching.
        !          2298: 
        !          2299:     *) Bugfix: in processing the "If-Modified-Since", "If-Range", etc.
        !          2300:        client request header lines while caching.
        !          2301: 
        !          2302:     *) Bugfix: now the "Set-Cookie" and "P3P" header lines are hidden in
        !          2303:        cacheable responses.
        !          2304: 
        !          2305:     *) Bugfix: if nginx was built with the ngx_http_perl_module and with a
        !          2306:        perl which supports threads, then during a master process exit the
        !          2307:        message "panic: MUTEX_LOCK" might be issued.
        !          2308: 
        !          2309:     *) Bugfix: nginx could not be built --without-http-cache; the bug had
        !          2310:        appeared in 0.7.48.
        !          2311: 
        !          2312:     *) Bugfix: nginx could not be built on platforms different from i386,
        !          2313:        amd64, sparc, and ppc; the bug had appeared in 0.7.42.
        !          2314: 
        !          2315: 
        !          2316: Changes with nginx 0.7.51                                        12 Apr 2009
        !          2317: 
        !          2318:     *) Feature: the "try_files" directive supports a response code in the
        !          2319:        fallback parameter.
        !          2320: 
        !          2321:     *) Feature: now any response code can be used in the "return" directive.
        !          2322: 
        !          2323:     *) Bugfix: the "error_page" directive made an external redirect without
        !          2324:        query string; the bug had appeared in 0.7.44.
        !          2325: 
        !          2326:     *) Bugfix: if servers listened on several defined explicitly addresses,
        !          2327:        then virtual servers might not work; the bug had appeared in 0.7.39.
        !          2328: 
        !          2329: 
        !          2330: Changes with nginx 0.7.50                                        06 Apr 2009
        !          2331: 
        !          2332:     *) Bugfix: the $arg_... variables did not work; the bug had appeared in
        !          2333:        0.7.49.
        !          2334: 
        !          2335: 
        !          2336: Changes with nginx 0.7.49                                        06 Apr 2009
        !          2337: 
        !          2338:     *) Bugfix: a segmentation fault might occur in worker process, if the
        !          2339:        $arg_... variables were used; the bug had appeared in 0.7.48.
        !          2340: 
        !          2341: 
        !          2342: Changes with nginx 0.7.48                                        06 Apr 2009
        !          2343: 
        !          2344:     *) Feature: the "proxy_cache_key" directive.
        !          2345: 
        !          2346:     *) Bugfix: now nginx takes into account the "X-Accel-Expires",
        !          2347:        "Expires", and "Cache-Control" header lines in a backend response.
        !          2348: 
        !          2349:     *) Bugfix: now nginx caches responses for the GET requests only.
        !          2350: 
        !          2351:     *) Bugfix: the "fastcgi_cache_key" directive was not inherited.
        !          2352: 
        !          2353:     *) Bugfix: the $arg_... variables did not work with SSI subrequests.
        !          2354:        Thanks to Maxim Dounin.
        !          2355: 
        !          2356:     *) Bugfix: nginx could not be built with uclibc library.
        !          2357:        Thanks to Timothy Redaelli.
        !          2358: 
        !          2359:     *) Bugfix: nginx could not be built on OpenBSD; the bug had
        !          2360:        appeared in 0.7.46.
        !          2361: 
        !          2362: 
        !          2363: Changes with nginx 0.7.47                                        01 Apr 2009
        !          2364: 
        !          2365:     *) Bugfix: nginx could not be built on FreeBSD 6 and early versions; the
        !          2366:        bug had appeared in 0.7.46.
        !          2367: 
        !          2368:     *) Bugfix: nginx could not be built on MacOSX; the bug had
        !          2369:        appeared in 0.7.46.
        !          2370: 
        !          2371:     *) Bugfix: if the "max_size" parameter was set, then the cache manager
        !          2372:        might purge a whole cache; the bug had appeared in 0.7.46.
        !          2373: 
        !          2374:     *) Change: a segmentation fault might occur in worker process, if the
        !          2375:        "proxy_cache"/"fastcgi_cache" and the "proxy_cache_valid"/
        !          2376:        "fastcgi_cache_valid" were set on different levels; the bug had
        !          2377:        appeared in 0.7.46.
        !          2378: 
        !          2379:     *) Bugfix: a segmentation fault might occur in worker process, if a
        !          2380:        request was redirected to a proxied or FastCGI server via error_page
        !          2381:        or try_files; the bug had appeared in 0.7.44.
        !          2382: 
        !          2383: 
        !          2384: Changes with nginx 0.7.46                                        30 Mar 2009
        !          2385: 
        !          2386:     *) Bugfix: the previous release tarball was incorrect.
        !          2387: 
        !          2388: 
        !          2389: Changes with nginx 0.7.45                                        30 Mar 2009
        !          2390: 
        !          2391:     *) Change: now the "proxy_cache" and the "proxy_cache_valid" directives
        !          2392:        can be set on different levels.
        !          2393: 
        !          2394:     *) Change: the "clean_time" parameter of the "proxy_cache_path"
        !          2395:        directive is canceled.
        !          2396: 
        !          2397:     *) Feature: the "max_size" parameter of the "proxy_cache_path"
        !          2398:        directive.
        !          2399: 
        !          2400:     *) Feature: the ngx_http_fastcgi_module preliminary cache support.
        !          2401: 
        !          2402:     *) Feature: now on shared memory allocation errors directive and zone
        !          2403:        names are logged.
        !          2404: 
        !          2405:     *) Bugfix: the directive "add_header last-modified ''" did not delete a
        !          2406:        "Last-Modified" response header line; the bug had appeared in 0.7.44.
        !          2407: 
        !          2408:     *) Bugfix: a relative path in the "auth_basic_user_file" directive given
        !          2409:        without variables did not work; the bug had appeared in 0.7.44.
        !          2410:        Thanks to Jerome Loyet.
        !          2411: 
        !          2412:     *) Bugfix: in an "alias" directive given using variables without
        !          2413:        references to captures of regular expressions; the bug had appeared
        !          2414:        in 0.7.42.
        !          2415: 
        !          2416: 
        !          2417: Changes with nginx 0.7.44                                        23 Mar 2009
        !          2418: 
        !          2419:     *) Feature: the ngx_http_proxy_module preliminary cache support.
        !          2420: 
        !          2421:     *) Feature: the --with-pcre option in the configure.
        !          2422: 
        !          2423:     *) Feature: the "try_files" directive is now allowed on the server block
        !          2424:        level.
        !          2425: 
        !          2426:     *) Bugfix: the "try_files" directive handled incorrectly a query string
        !          2427:        in a fallback parameter.
        !          2428: 
        !          2429:     *) Bugfix: the "try_files" directive might test incorrectly directories.
        !          2430: 
        !          2431:     *) Bugfix: if there was a single server for given address:port pair,
        !          2432:        then captures in regular expressions in a "server_name" directive did
        !          2433:        not work.
        !          2434: 
        !          2435: 
        !          2436: Changes with nginx 0.7.43                                        18 Mar 2009
        !          2437: 
        !          2438:     *) Bugfix: a request was handled incorrectly, if a "root" directive used
        !          2439:        variables; the bug had appeared in 0.7.42.
        !          2440: 
        !          2441:     *) Bugfix: if a server listened on wildcard address, then the
        !          2442:        $server_addr variable value was "0.0.0.0"; the bug had appeared in
        !          2443:        0.7.36.
        !          2444: 
        !          2445: 
        !          2446: Changes with nginx 0.7.42                                        16 Mar 2009
        !          2447: 
        !          2448:     *) Change: now the "Invalid argument" error returned by
        !          2449:        setsockopt(TCP_NODELAY) on Solaris, is ignored.
        !          2450: 
        !          2451:     *) Change: now if a file specified in a "auth_basic_user_file" directive
        !          2452:        is absent, then the 403 error is returned instead of the 500 one.
        !          2453: 
        !          2454:     *) Feature: the "auth_basic_user_file" directive supports variables.
        !          2455:        Thanks to Kirill A. Korinskiy.
        !          2456: 
        !          2457:     *) Feature: the "listen" directive supports the "ipv6only" parameter.
        !          2458:        Thanks to Zhang Hua.
        !          2459: 
        !          2460:     *) Bugfix: in an "alias" directive with references to captures of
        !          2461:        regular expressions; the bug had appeared in 0.7.40.
        !          2462: 
        !          2463:     *) Bugfix: compatibility with Tru64 UNIX.
        !          2464:        Thanks to Dustin Marquess.
        !          2465: 
        !          2466:     *) Bugfix: nginx could not be built without PCRE library; the bug had
        !          2467:        appeared in 0.7.41.
        !          2468: 
        !          2469: 
        !          2470: Changes with nginx 0.7.41                                        11 Mar 2009
        !          2471: 
        !          2472:     *) Bugfix: a segmentation fault might occur in worker process, if a
        !          2473:        "server_name" or a "location" directives had captures in regular
        !          2474:        expressions; the issue had appeared in 0.7.40.
        !          2475:        Thanks to Vladimir Sopot.
        !          2476: 
        !          2477: 
        !          2478: Changes with nginx 0.7.40                                        09 Mar 2009
        !          2479: 
        !          2480:     *) Feature: the "location" directive supports captures in regular
        !          2481:        expressions.
        !          2482: 
        !          2483:     *) Feature: an "alias" directive with capture references may be used
        !          2484:        inside a location given by a regular expression with captures.
        !          2485: 
        !          2486:     *) Feature: the "server_name" directive supports captures in regular
        !          2487:        expressions.
        !          2488: 
        !          2489:     *) Workaround: the ngx_http_autoindex_module did not show the trailing
        !          2490:        slash in directories on XFS filesystem; the issue had appeared in
        !          2491:        0.7.15.
        !          2492:        Thanks to Dmitry Kuzmenko.
        !          2493: 
        !          2494: 
        !          2495: Changes with nginx 0.7.39                                        02 Mar 2009
        !          2496: 
        !          2497:     *) Bugfix: large response with SSI might hang, if gzipping was enabled;
        !          2498:        the bug had appeared in 0.7.28.
        !          2499:        Thanks to Artem Bokhan.
        !          2500: 
        !          2501:     *) Bugfix: a segmentation fault might occur in worker process, if short
        !          2502:        static variants are used in a "try_files" directive.
        !          2503: 
        !          2504: 
        !          2505: Changes with nginx 0.7.38                                        23 Feb 2009
        !          2506: 
        !          2507:     *) Feature: authentication failures logging.
        !          2508: 
        !          2509:     *) Bugfix: name/password in auth_basic_user_file were ignored after odd
        !          2510:        number of empty lines.
        !          2511:        Thanks to Alexander Zagrebin.
        !          2512: 
        !          2513:     *) Bugfix: a segmentation fault occurred in a master process, if long
        !          2514:        path was used in unix domain socket; the bug had appeared in 0.7.36.
        !          2515: 
        !          2516: 
        !          2517: Changes with nginx 0.7.37                                        21 Feb 2009
        !          2518: 
        !          2519:     *) Bugfix: directives using upstreams did not work; the bug had appeared
        !          2520:        in 0.7.36.
        !          2521: 
        !          2522: 
        !          2523: Changes with nginx 0.7.36                                        21 Feb 2009
        !          2524: 
        !          2525:     *) Feature: a preliminary IPv6 support; the "listen" directive of the
        !          2526:        HTTP module supports IPv6.
        !          2527: 
        !          2528:     *) Bugfix: the $ancient_browser variable did not work for browsers
        !          2529:        preset by a "modern_browser" directives.
        !          2530: 
        !          2531: 
        !          2532: Changes with nginx 0.7.35                                        16 Feb 2009
        !          2533: 
        !          2534:     *) Bugfix: a "ssl_engine" directive did not use a SSL-accelerator for
        !          2535:        asymmetric ciphers.
        !          2536:        Thanks to Marcin Gozdalik.
        !          2537: 
        !          2538:     *) Bugfix: a "try_files" directive set MIME type depending on an
        !          2539:        original request extension.
        !          2540: 
        !          2541:     *) Bugfix: "*domain.tld" names were handled incorrectly in
        !          2542:        "server_name", "valid_referers", and "map" directives, if
        !          2543:        ".domain.tld" and ".subdomain.domain.tld" wildcards were used;
        !          2544:        the bug had appeared in 0.7.9.
        !          2545: 
        !          2546: 
        !          2547: Changes with nginx 0.7.34                                        10 Feb 2009
        !          2548: 
        !          2549:     *) Feature: the "off" parameter of the "if_modified_since" directive.
        !          2550: 
        !          2551:     *) Feature: now nginx sends an HELO/EHLO command after a XCLIENT
        !          2552:        command.
        !          2553:        Thanks to Maxim Dounin.
        !          2554: 
        !          2555:     *) Feature: Microsoft specific "AUTH LOGIN with User Name" mode support
        !          2556:        in mail proxy server.
        !          2557:        Thanks to Maxim Dounin.
        !          2558: 
        !          2559:     *) Bugfix: in a redirect rewrite directive original arguments were
        !          2560:        concatenated with new arguments by a "?" rather than an "&";
        !          2561:        the bug had appeared in 0.1.18.
        !          2562:        Thanks to Maxim Dounin.
        !          2563: 
        !          2564:     *) Bugfix: nginx could not be built on AIX.
        !          2565: 
        !          2566: 
        !          2567: Changes with nginx 0.7.33                                        02 Feb 2009
        !          2568: 
        !          2569:     *) Bugfix: a double response might be returned if the epoll or rtsig
        !          2570:        methods are used and a redirect was returned to a request with body.
        !          2571:        Thanks to Eden Li.
        !          2572: 
        !          2573:     *) Bugfix: the $sent_http_location variable was empty for some redirects
        !          2574:        types.
        !          2575: 
        !          2576:     *) Bugfix: a segmentation fault might occur in worker process if
        !          2577:        "resolver" directive was used in SMTP proxy.
        !          2578: 
        !          2579: 
        !          2580: Changes with nginx 0.7.32                                        26 Jan 2009
        !          2581: 
        !          2582:     *) Feature: now a directory existence testing can be set explicitly in
        !          2583:        the "try_files" directive.
        !          2584: 
        !          2585:     *) Bugfix: fastcgi_store stored files not always.
        !          2586: 
        !          2587:     *) Bugfix: in geo ranges.
        !          2588: 
        !          2589:     *) Bugfix: in shared memory allocations if nginx was built without
        !          2590:        debugging.
        !          2591:        Thanks to Andrey Kvasov.
        !          2592: 
        !          2593: 
        !          2594: Changes with nginx 0.7.31                                        19 Jan 2009
        !          2595: 
        !          2596:     *) Change: now the "try_files" directive tests files only and ignores
        !          2597:        directories.
        !          2598: 
        !          2599:     *) Feature: the "fastcgi_split_path_info" directive.
        !          2600: 
        !          2601:     *) Bugfixes in an "Expect" request header line support.
        !          2602: 
        !          2603:     *) Bugfixes in geo ranges.
        !          2604: 
        !          2605:     *) Bugfix: in a miss case ngx_http_memcached_module returned the "END"
        !          2606:        line as response body instead of default 404 page body; the bug had
        !          2607:        appeared in 0.7.18.
        !          2608:        Thanks to Maxim Dounin.
        !          2609: 
        !          2610:     *) Bugfix: while SMTP proxying nginx issued message "250 2.0.0 OK"
        !          2611:        instead of "235 2.0.0 OK"; the bug had appeared in 0.7.22.
        !          2612:        Thanks to Maxim Dounin.
        !          2613: 
        !          2614: 
        !          2615: Changes with nginx 0.7.30                                        24 Dec 2008
        !          2616: 
        !          2617:     *) Bugfix: a segmentation fault occurred in worker process, if variables
        !          2618:        were used in the "fastcgi_pass" or "proxy_pass" directives and host
        !          2619:        name must be resolved; the bug had appeared in 0.7.29.
        !          2620: 
        !          2621: 
        !          2622: Changes with nginx 0.7.29                                        24 Dec 2008
        !          2623: 
        !          2624:     *) Bugfix: the "fastcgi_pass" and "proxy_pass" directives did not
        !          2625:        support variables if unix domain sockets were used.
        !          2626: 
        !          2627:     *) Bugfixes in subrequest processing; the bugs had appeared in 0.7.25.
        !          2628: 
        !          2629:     *) Bugfix: a "100 Continue" response was issued for HTTP/1.0 requests;
        !          2630:        Thanks to Maxim Dounin.
        !          2631: 
        !          2632:     *) Bugfix: in memory allocation in the ngx_http_gzip_filter_module on
        !          2633:        Cygwin.
        !          2634: 
        !          2635: 
        !          2636: Changes with nginx 0.7.28                                        22 Dec 2008
        !          2637: 
        !          2638:     *) Change: in memory allocation in the ngx_http_gzip_filter_module.
        !          2639: 
        !          2640:     *) Change: the default "gzip_buffers" directive values have been changed
        !          2641:        to 32 4k or 16 8k from 4 4k/8k.
        !          2642: 
        !          2643: 
        !          2644: Changes with nginx 0.7.27                                        15 Dec 2008
        !          2645: 
        !          2646:     *) Feature: the "try_files" directive.
        !          2647: 
        !          2648:     *) Feature: variables support in the "fastcgi_pass" directive.
        !          2649: 
        !          2650:     *) Feature: now the $geo variable may get an address from a variable.
        !          2651:        Thanks to Andrei Nigmatulin.
        !          2652: 
        !          2653:     *) Feature: now a location's modifier may be used without space before
        !          2654:        name.
        !          2655: 
        !          2656:     *) Feature: the $upstream_response_length variable.
        !          2657: 
        !          2658:     *) Bugfix: now a "add_header" directive does not add an empty value.
        !          2659: 
        !          2660:     *) Bugfix: if zero length static file was requested, then nginx just
        !          2661:        closed connection; the bug had appeared in 0.7.25.
        !          2662: 
        !          2663:     *) Bugfix: a MOVE method could not move file in non-existent directory.
        !          2664: 
        !          2665:     *) Bugfix: a segmentation fault occurred in worker process, if no one
        !          2666:        named location was defined in server, but some one was used in an
        !          2667:        error_page directive.
        !          2668:        Thanks to Sergey Bochenkov.
        !          2669: 
        !          2670: 
        !          2671: Changes with nginx 0.7.26                                        08 Dec 2008
        !          2672: 
        !          2673:     *) Bugfix: in subrequest processing; the bug had appeared in 0.7.25.
        !          2674: 
        !          2675: 
        !          2676: Changes with nginx 0.7.25                                        08 Dec 2008
        !          2677: 
        !          2678:     *) Change: in subrequest processing.
        !          2679: 
        !          2680:     *) Change: now POSTs without "Content-Length" header line are allowed.
        !          2681: 
        !          2682:     *) Bugfix: now the "limit_req" and "limit_conn" directives log a
        !          2683:        prohibition reason.
        !          2684: 
        !          2685:     *) Bugfix: in the "delete" parameter of the "geo" directive.
        !          2686: 
        !          2687: 
        !          2688: Changes with nginx 0.7.24                                        01 Dec 2008
        !          2689: 
        !          2690:     *) Feature: the "if_modified_since" directive.
        !          2691: 
        !          2692:     *) Bugfix: nginx did not process a FastCGI server response, if the
        !          2693:        server send too many messages to stderr before response.
        !          2694: 
        !          2695:     *) Bugfix: the "$cookie_..." variables did not work in the SSI and the
        !          2696:        perl module.
        !          2697: 
        !          2698: 
        !          2699: Changes with nginx 0.7.23                                        27 Nov 2008
        !          2700: 
        !          2701:     *) Feature: the "delete" and "ranges" parameters in the "geo" directive.
        !          2702: 
        !          2703:     *) Feature: speeding up loading of geo base with large number of values.
        !          2704: 
        !          2705:     *) Feature: decrease of memory required for geo base load.
        !          2706: 
        !          2707: 
        !          2708: Changes with nginx 0.7.22                                        20 Nov 2008
        !          2709: 
        !          2710:     *) Feature: the "none" parameter in the "smtp_auth" directive.
        !          2711:        Thanks to Maxim Dounin.
        !          2712: 
        !          2713:     *) Feature: the "$cookie_..." variables.
        !          2714: 
        !          2715:     *) Bugfix: the "directio" directive did not work in XFS filesystem.
        !          2716: 
        !          2717:     *) Bugfix: the resolver did not understand big DNS responses.
        !          2718:        Thanks to Zyb.
        !          2719: 
        !          2720: 
        !          2721: Changes with nginx 0.7.21                                        11 Nov 2008
        !          2722: 
        !          2723:     *) Changes in the ngx_http_limit_req_module.
        !          2724: 
        !          2725:     *) Feature: the EXSLT support in the ngx_http_xslt_module.
        !          2726:        Thanks to Denis F. Latypoff.
        !          2727: 
        !          2728:     *) Workaround: compatibility with glibc 2.3.
        !          2729:        Thanks to Eric Benson and Maxim Dounin.
        !          2730: 
        !          2731:     *) Bugfix: nginx could not run on MacOSX 10.4 and earlier; the bug had
        !          2732:        appeared in 0.7.6.
        !          2733: 
        !          2734: 
        !          2735: Changes with nginx 0.7.20                                        10 Nov 2008
        !          2736: 
        !          2737:     *) Changes in the ngx_http_gzip_filter_module.
        !          2738: 
        !          2739:     *) Feature: the ngx_http_limit_req_module.
        !          2740: 
        !          2741:     *) Bugfix: worker processes might exit on a SIGBUS signal on sparc and
        !          2742:        ppc platforms; the bug had appeared in 0.7.3.
        !          2743:        Thanks to Maxim Dounin.
        !          2744: 
        !          2745:     *) Bugfix: the "proxy_pass http://host/some:uri" directives did not
        !          2746:        work; the bug had appeared in 0.7.12.
        !          2747: 
        !          2748:     *) Bugfix: in HTTPS mode requests might fail with the "bad write retry"
        !          2749:        error.
        !          2750: 
        !          2751:     *) Bugfix: the ngx_http_secure_link_module did not work inside
        !          2752:        locations, whose names are less than 3 characters.
        !          2753: 
        !          2754:     *) Bugfix: $server_addr variable might have no value.
        !          2755: 
        !          2756: 
        !          2757: Changes with nginx 0.7.19                                        13 Oct 2008
        !          2758: 
        !          2759:     *) Bugfix: version number update.
        !          2760: 
        !          2761: 
        !          2762: Changes with nginx 0.7.18                                        13 Oct 2008
        !          2763: 
        !          2764:     *) Change: the "underscores_in_headers" directive; now nginx does not
        !          2765:        allows underscores in a client request header line names.
        !          2766: 
        !          2767:     *) Feature: the ngx_http_secure_link_module.
        !          2768: 
        !          2769:     *) Feature: the "real_ip_header" directive supports any header.
        !          2770: 
        !          2771:     *) Feature: the "log_subrequest" directive.
        !          2772: 
        !          2773:     *) Feature: the $realpath_root variable.
        !          2774: 
        !          2775:     *) Feature: the "http_502" and "http_504" parameters of the
        !          2776:        "proxy_next_upstream" directive.
        !          2777: 
        !          2778:     *) Bugfix: the "http_503" parameter of the "proxy_next_upstream" or
        !          2779:        "fastcgi_next_upstream" directives did not work.
        !          2780: 
        !          2781:     *) Bugfix: nginx might send a "Transfer-Encoding: chunked" header line
        !          2782:        for HEAD requests.
        !          2783: 
        !          2784:     *) Bugfix: now accept threshold depends on worker_connections.
        !          2785: 
        !          2786: 
        !          2787: Changes with nginx 0.7.17                                        15 Sep 2008
        !          2788: 
        !          2789:     *) Feature: now the "directio" directive works on Linux.
        !          2790: 
        !          2791:     *) Feature: the $pid variable.
        !          2792: 
        !          2793:     *) Bugfix: the "directio" optimization that had appeared in 0.7.15 did
        !          2794:        not work with open_file_cache.
        !          2795: 
        !          2796:     *) Bugfix: the "access_log" with variables did not work on Linux; the
        !          2797:        bug had appeared in 0.7.7.
        !          2798: 
        !          2799:     *) Bugfix: the ngx_http_charset_module did not understand quoted charset
        !          2800:        name received from backend.
        !          2801: 
        !          2802: 
        !          2803: Changes with nginx 0.7.16                                        08 Sep 2008
        !          2804: 
        !          2805:     *) Bugfix: nginx could not be built on 64-bit platforms; the bug had
        !          2806:        appeared in 0.7.15.
        !          2807: 
        !          2808: 
        !          2809: Changes with nginx 0.7.15                                        08 Sep 2008
        !          2810: 
        !          2811:     *) Feature: the ngx_http_random_index_module.
        !          2812: 
        !          2813:     *) Feature: the "directio" directive has been optimized for file
        !          2814:        requests starting from arbitrary position.
        !          2815: 
        !          2816:     *) Feature: the "directio" directive turns off sendfile if it is
        !          2817:        necessary.
        !          2818: 
        !          2819:     *) Feature: now nginx allows underscores in a client request header line
        !          2820:        names.
        !          2821: 
        !          2822: 
        !          2823: Changes with nginx 0.7.14                                        01 Sep 2008
        !          2824: 
        !          2825:     *) Change: now the ssl_certificate and ssl_certificate_key directives
        !          2826:        have no default values.
        !          2827: 
        !          2828:     *) Feature: the "listen" directive supports the "ssl" parameter.
        !          2829: 
        !          2830:     *) Feature: now nginx takes into account a time zone change while
        !          2831:        reconfiguration on FreeBSD and Linux.
        !          2832: 
        !          2833:     *) Bugfix: the "listen" directive parameters such as "backlog",
        !          2834:        "rcvbuf", etc. were not set, if a default server was not the first
        !          2835:        one.
        !          2836: 
        !          2837:     *) Bugfix: if URI part captured by a "rewrite" directive was used as a
        !          2838:        query string, then the query string was not escaped.
        !          2839: 
        !          2840:     *) Bugfix: configuration file validity test improvements.
        !          2841: 
        !          2842: 
        !          2843: Changes with nginx 0.7.13                                        26 Aug 2008
        !          2844: 
        !          2845:     *) Bugfix: nginx could not be built on Linux and Solaris; the bug had
        !          2846:        appeared in 0.7.12.
        !          2847: 
        !          2848: 
        !          2849: Changes with nginx 0.7.12                                        26 Aug 2008
        !          2850: 
        !          2851:     *) Feature: the "server_name" directive supports empty name "".
        !          2852: 
        !          2853:     *) Feature: the "gzip_disable" directive supports special "msie6" mask.
        !          2854: 
        !          2855:     *) Bugfix: if the "max_fails=0" parameter was used in upstream with
        !          2856:        several servers, then a worker process exited on a SIGFPE signal.
        !          2857:        Thanks to Maxim Dounin.
        !          2858: 
        !          2859:     *) Bugfix: a request body was dropped while redirection via an
        !          2860:        "error_page" directive.
        !          2861: 
        !          2862:     *) Bugfix: a full response was returned for request method HEAD while
        !          2863:        redirection via an "error_page" directive.
        !          2864: 
        !          2865:     *) Bugfix: the $r->header_in() method did not return value of the
        !          2866:        "Host", "User-Agent", and "Connection" request header lines; the bug
        !          2867:        had appeared in 0.7.0.
        !          2868: 
        !          2869: 
        !          2870: Changes with nginx 0.7.11                                        18 Aug 2008
        !          2871: 
        !          2872:     *) Change: now ngx_http_charset_module does not work by default with
        !          2873:        text/css MIME type.
        !          2874: 
        !          2875:     *) Feature: now nginx returns the 405 status code for POST method
        !          2876:        requesting a static file only if the file exists.
        !          2877: 
        !          2878:     *) Feature: the "proxy_ssl_session_reuse" directive.
        !          2879: 
        !          2880:     *) Bugfix: a "proxy_pass" directive without URI part might use original
        !          2881:        request after the "X-Accel-Redirect" redirection was used;
        !          2882: 
        !          2883:     *) Bugfix: if a directory has search only rights and the first index
        !          2884:        file was absent, then nginx returned the 500 status code.
        !          2885: 
        !          2886:     *) Bugfix: in inclusive locations; the bugs had appeared in 0.7.1.
        !          2887: 
        !          2888: 
        !          2889: Changes with nginx 0.7.10                                        13 Aug 2008
        !          2890: 
        !          2891:     *) Bugfix: in the "addition_types", "charset_types", "gzip_types",
        !          2892:        "ssi_types", "sub_filter_types", and "xslt_types" directives; the
        !          2893:        bugs had appeared in 0.7.9.
        !          2894: 
        !          2895:     *) Bugfix: of recursive error_page for 500 status code.
        !          2896: 
        !          2897:     *) Bugfix: now the ngx_http_realip_module sets address not for whole
        !          2898:        keepalive connection, but for each request passed via the connection.
        !          2899: 
        !          2900: 
        !          2901: Changes with nginx 0.7.9                                         12 Aug 2008
        !          2902: 
        !          2903:     *) Change: now ngx_http_charset_module works by default with following
        !          2904:        MIME types: text/html, text/css, text/xml, text/plain,
        !          2905:        text/vnd.wap.wml, application/x-javascript, and application/rss+xml.
        !          2906: 
        !          2907:     *) Feature: the "charset_types" and "addition_types" directives.
        !          2908: 
        !          2909:     *) Feature: now the "gzip_types", "ssi_types", and "sub_filter_types"
        !          2910:        directives use hash.
        !          2911: 
        !          2912:     *) Feature: the ngx_cpp_test_module.
        !          2913: 
        !          2914:     *) Feature: the "expires" directive supports daily time.
        !          2915: 
        !          2916:     *) Feature: the ngx_http_xslt_module improvements and bug fixing.
        !          2917:        Thanks to Denis F. Latypoff and Maxim Dounin.
        !          2918: 
        !          2919:     *) Bugfix: the "log_not_found" directive did not work for index files
        !          2920:        tests.
        !          2921: 
        !          2922:     *) Bugfix: HTTPS connections might hang, if kqueue, epoll, rtsig, or
        !          2923:        eventport methods were used; the bug had appeared in 0.7.7.
        !          2924: 
        !          2925:     *) Bugfix: if the "server_name", "valid_referers", and "map" directives
        !          2926:        used an "*.domain.tld" wildcard and exact name "domain.tld" was not
        !          2927:        set, then the exact name was matched by the wildcard; the bug had
        !          2928:        appeared in 0.3.18.
        !          2929: 
        !          2930: 
        !          2931: Changes with nginx 0.7.8                                         04 Aug 2008
        !          2932: 
        !          2933:     *) Feature: the ngx_http_xslt_module.
        !          2934: 
        !          2935:     *) Feature: the "$arg_..." variables.
        !          2936: 
        !          2937:     *) Feature: Solaris directio support.
        !          2938:        Thanks to Ivan Debnar.
        !          2939: 
        !          2940:     *) Bugfix: now if FastCGI server sends a "Location" header line without
        !          2941:        status line, then nginx uses 302 status code.
        !          2942:        Thanks to Maxim Dounin.
        !          2943: 
        !          2944: 
        !          2945: Changes with nginx 0.7.7                                         30 Jul 2008
        !          2946: 
        !          2947:     *) Change: now the EAGAIN error returned by connect() is not considered
        !          2948:        as temporary error.
        !          2949: 
        !          2950:     *) Change: now the $ssl_client_cert variable value is a certificate with
        !          2951:        TAB character intended before each line except first one; an
        !          2952:        unchanged certificate is available in the $ssl_client_raw_cert
        !          2953:        variable.
        !          2954: 
        !          2955:     *) Feature: the "ask" parameter in the "ssl_verify_client" directive.
        !          2956: 
        !          2957:     *) Feature: byte-range processing improvements.
        !          2958:        Thanks to Maxim Dounin.
        !          2959: 
        !          2960:     *) Feature: the "directio" directive.
        !          2961:        Thanks to Jiang Hong.
        !          2962: 
        !          2963:     *) Feature: MacOSX 10.5 sendfile() support.
        !          2964: 
        !          2965:     *) Bugfix: now in MacOSX and Cygwin locations are tested in case
        !          2966:        insensitive mode; however, the compare is provided by single-byte
        !          2967:        locales only.
        !          2968: 
        !          2969:     *) Bugfix: mail proxy SSL connections hanged, if select, poll, or
        !          2970:        /dev/poll methods were used.
        !          2971: 
        !          2972:     *) Bugfix: UTF-8 encoding usage in the ngx_http_autoindex_module.
        !          2973: 
        !          2974: 
        !          2975: Changes with nginx 0.7.6                                         07 Jul 2008
        !          2976: 
        !          2977:     *) Bugfix: now if variables are used in the "access_log" directive a
        !          2978:        request root existence is always tested.
        !          2979: 
        !          2980:     *) Bugfix: the ngx_http_flv_module did not support several values in a
        !          2981:        query string.
        !          2982: 
        !          2983: 
        !          2984: Changes with nginx 0.7.5                                         01 Jul 2008
        !          2985: 
        !          2986:     *) Bugfixes in variables support in the "access_log" directive; the bugs
        !          2987:        had appeared in 0.7.4.
        !          2988: 
        !          2989:     *) Bugfix: nginx could not be built --without-http_gzip_module; the bug
        !          2990:        had appeared in 0.7.3.
        !          2991:        Thanks to Kirill A. Korinskiy.
        !          2992: 
        !          2993:     *) Bugfix: if sub_filter and SSI were used together, then responses
        !          2994:        might were transferred incorrectly.
        !          2995: 
        !          2996: 
        !          2997: Changes with nginx 0.7.4                                         30 Jun 2008
        !          2998: 
        !          2999:     *) Feature: variables support in the "access_log" directive.
        !          3000: 
        !          3001:     *) Feature: the "open_log_file_cache" directive.
        !          3002: 
        !          3003:     *) Feature: the -g switch.
        !          3004: 
        !          3005:     *) Feature: the "Expect" request header line support.
        !          3006: 
        !          3007:     *) Bugfix: large SSI inclusions might be truncated.
        !          3008: 
        !          3009: 
        !          3010: Changes with nginx 0.7.3                                         23 Jun 2008
        !          3011: 
        !          3012:     *) Change: the "rss" extension MIME type has been changed to
        !          3013:        "application/rss+xml".
        !          3014: 
        !          3015:     *) Change: now the "gzip_vary" directive turned on issues a
        !          3016:        "Vary: Accept-Encoding" header line for uncompressed responses too.
        !          3017: 
        !          3018:     *) Feature: now the "rewrite" directive does a redirect automatically if
        !          3019:        the "https://" protocol is used.
        !          3020: 
        !          3021:     *) Bugfix: the "proxy_pass" directive did not work with the HTTPS
        !          3022:        protocol; the bug had appeared in 0.6.9.
        !          3023: 
        !          3024: 
        !          3025: Changes with nginx 0.7.2                                         16 Jun 2008
        !          3026: 
        !          3027:     *) Feature: now nginx supports EDH key exchange ciphers.
        !          3028: 
        !          3029:     *) Feature: the "ssl_dhparam" directive.
        !          3030: 
        !          3031:     *) Feature: the $ssl_client_cert variable.
        !          3032:        Thanks to Manlio Perillo.
        !          3033: 
        !          3034:     *) Bugfix: after changing URI via a "rewrite" directive nginx did not
        !          3035:        search a new location; the bug had appeared in 0.7.1.
        !          3036:        Thanks to Maxim Dounin.
        !          3037: 
        !          3038:     *) Bugfix: nginx could not be built without PCRE library; the bug had
        !          3039:        appeared in 0.7.1.
        !          3040: 
        !          3041:     *) Bugfix: when a request to a directory was redirected with the slash
        !          3042:        added, nginx dropped a query string from the original request.
        !          3043: 
        !          3044: 
        !          3045: Changes with nginx 0.7.1                                         26 May 2008
        !          3046: 
        !          3047:     *) Change: now locations are searched in a tree.
        !          3048: 
        !          3049:     *) Change: the "optimize_server_names" directive was canceled due to the
        !          3050:        "server_name_in_redirect" directive introduction.
        !          3051: 
        !          3052:     *) Change: some long deprecated directives are not supported anymore.
        !          3053: 
        !          3054:     *) Change: the "none" parameter in the "ssl_session_cache" directive;
        !          3055:        now this is default parameter.
        !          3056:        Thanks to Rob Mueller.
        !          3057: 
        !          3058:     *) Bugfix: worker processes might not catch reconfiguration and log
        !          3059:        rotation signals.
        !          3060: 
        !          3061:     *) Bugfix: nginx could not be built on latest Fedora 9 Linux.
        !          3062:        Thanks to Roxis.
        !          3063: 
        !          3064: 
        !          3065: Changes with nginx 0.7.0                                         19 May 2008
        !          3066: 
        !          3067:     *) Change: now the 0x00-0x1F, '"' and '\' characters are escaped as \xXX
        !          3068:        in an access_log.
        !          3069:        Thanks to Maxim Dounin.
        !          3070: 
        !          3071:     *) Change: now nginx allows several "Host" request header line.
        !          3072: 
        !          3073:     *) Feature: the "modified" flag in the "expires" directive.
        !          3074: 
        !          3075:     *) Feature: the $uid_got and $uid_set variables may be used at any
        !          3076:        request processing stage.
        !          3077: 
        !          3078:     *) Feature: the $hostname variable.
        !          3079:        Thanks to Andrei Nigmatulin.
        !          3080: 
        !          3081:     *) Feature: DESTDIR support.
        !          3082:        Thanks to Todd A. Fisher and Andras Voroskoi.
        !          3083: 
        !          3084:     *) Bugfix: a segmentation fault might occur in worker process on Linux,
        !          3085:        if keepalive was enabled.
        !          3086: 
        !          3087: 
        !          3088: Changes with nginx 0.6.31                                        12 May 2008
        !          3089: 
        !          3090:     *) Bugfix: nginx did not process FastCGI response if header was at the
        !          3091:        end of FastCGI record; the bug had appeared in 0.6.2.
        !          3092:        Thanks to Sergey Serov.
        !          3093: 
        !          3094:     *) Bugfix: a segmentation fault might occur in worker process if a file
        !          3095:        was deleted and the "open_file_cache_errors" directive was off.
        !          3096: 
        !          3097: 
        !          3098: Changes with nginx 0.6.30                                        29 Apr 2008
        !          3099: 
        !          3100:     *) Change: now if an "include" directive pattern does not match any
        !          3101:        file, then nginx does not issue an error.
        !          3102: 
        !          3103:     *) Feature: now the time in directives may be specified without spaces,
        !          3104:        for example, "1h50m".
        !          3105: 
        !          3106:     *) Bugfix: memory leaks if the "ssl_verify_client" directive was on.
        !          3107:        Thanks to Chavelle Vincent.
        !          3108: 
        !          3109:     *) Bugfix: the "sub_filter" directive might set text to change into
        !          3110:        output.
        !          3111: 
        !          3112:     *) Bugfix: the "error_page" directive did not take into account
        !          3113:        arguments in redirected URI.
        !          3114: 
        !          3115:     *) Bugfix: now nginx always opens files in binary mode under Cygwin.
        !          3116: 
        !          3117:     *) Bugfix: nginx could not be built on OpenBSD; the bug had appeared in
        !          3118:        0.6.15.
        !          3119: 
        !          3120: 
        !          3121: Changes with nginx 0.6.29                                        18 Mar 2008
        !          3122: 
        !          3123:     *) Feature: the ngx_google_perftools_module.
        !          3124: 
        !          3125:     *) Bugfix: the ngx_http_perl_module could not be built on 64-bit
        !          3126:        platforms; the bug had appeared in 0.6.27.
        !          3127: 
        !          3128: 
        !          3129: Changes with nginx 0.6.28                                        13 Mar 2008
        !          3130: 
        !          3131:     *) Bugfix: the rtsig method could not be built; the bug had appeared in
        !          3132:        0.6.27.
        !          3133: 
        !          3134: 
        !          3135: Changes with nginx 0.6.27                                        12 Mar 2008
        !          3136: 
        !          3137:     *) Change: now by default the rtsig method is not built on
        !          3138:        Linux 2.6.18+.
        !          3139: 
        !          3140:     *) Change: now a request method is not changed while redirection to a
        !          3141:        named location via an "error_page" directive.
        !          3142: 
        !          3143:     *) Feature: the "resolver" and "resolver_timeout" directives in SMTP
        !          3144:        proxy.
        !          3145: 
        !          3146:     *) Feature: the "post_action" directive supports named locations.
        !          3147: 
        !          3148:     *) Bugfix: a segmentation fault occurred in worker process, if a request
        !          3149:        was redirected from proxy, FastCGI, or memcached location to static
        !          3150:        named locations.
        !          3151: 
        !          3152:     *) Bugfix: browsers did not repeat SSL handshake if there is no valid
        !          3153:        client certificate in first handshake.
        !          3154:        Thanks to Alexander V. Inyukhin.
        !          3155: 
        !          3156:     *) Bugfix: if response code 495-497 was redirected via an "error_page"
        !          3157:        directive without code change, then nginx tried to allocate too many
        !          3158:        memory.
        !          3159: 
        !          3160:     *) Bugfix: memory leak in long-lived non buffered connections.
        !          3161: 
        !          3162:     *) Bugfix: memory leak in resolver.
        !          3163: 
        !          3164:     *) Bugfix: a segmentation fault occurred in worker process, if a request
        !          3165:        was redirected from proxy, FastCGI, or memcached location to static
        !          3166:        named locations.
        !          3167: 
        !          3168:     *) Bugfix: in the $proxy_host and $proxy_port variables caching.
        !          3169:        Thanks to Sergey Bochenkov.
        !          3170: 
        !          3171:     *) Bugfix: a "proxy_pass" directive with variables used incorrectly the
        !          3172:        same port as in another "proxy_pass" directive with the same host
        !          3173:        name and without variables.
        !          3174:        Thanks to Sergey Bochenkov.
        !          3175: 
        !          3176:     *) Bugfix: an alert "sendmsg() failed (9: Bad file descriptor)" on some
        !          3177:        64-bit platforms while reconfiguration.
        !          3178: 
        !          3179:     *) Bugfix: a segmentation fault occurred in worker process, if empty
        !          3180:        stub block was used second time in SSI.
        !          3181: 
        !          3182:     *) Bugfix: in copying URI part contained escaped symbols into arguments.
        !          3183: 
        !          3184: 
        !          3185: Changes with nginx 0.6.26                                        11 Feb 2008
        !          3186: 
        !          3187:     *) Bugfix: the "proxy_store" and "fastcgi_store" directives did not
        !          3188:        check a response length.
        !          3189: 
        !          3190:     *) Bugfix: a segmentation fault occurred in worker process, if big value
        !          3191:        was used in a "expires" directive.
        !          3192:        Thanks to Joaquin Cuenca Abela.
        !          3193: 
        !          3194:     *) Bugfix: nginx incorrectly detected cache line size on Pentium 4.
        !          3195:        Thanks to Gena Makhomed.
        !          3196: 
        !          3197:     *) Bugfix: in proxied or FastCGI subrequests a client original method
        !          3198:        was used instead of the GET method.
        !          3199: 
        !          3200:     *) Bugfix: socket leak in HTTPS mode if deferred accept was used.
        !          3201:        Thanks to Ben Maurer.
        !          3202: 
        !          3203:     *) Bugfix: nginx issued the bogus error message "SSL_shutdown() failed
        !          3204:        (SSL: )"; the bug had appeared in 0.6.23.
        !          3205: 
        !          3206:     *) Bugfix: in HTTPS mode requests might fail with the "bad write retry"
        !          3207:        error; the bug had appeared in 0.6.23.
        !          3208: 
        !          3209: 
        !          3210: Changes with nginx 0.6.25                                        08 Jan 2008
        !          3211: 
        !          3212:     *) Change: now the "server_name_in_redirect" directive is used instead
        !          3213:        of the "server_name" directive's special "*" parameter.
        !          3214: 
        !          3215:     *) Change: now wildcard and regex names can be used as main name in a
        !          3216:        "server_name" directive.
        !          3217: 
        !          3218:     *) Change: the "satisfy_any" directive was replaced by the "satisfy"
        !          3219:        directive.
        !          3220: 
        !          3221:     *) Workaround: old worker processes might hog CPU after reconfiguration
        !          3222:        if they was run under Linux OpenVZ.
        !          3223: 
        !          3224:     *) Feature: the "min_delete_depth" directive.
        !          3225: 
        !          3226:     *) Bugfix: the COPY and MOVE methods did not work with single files.
        !          3227: 
        !          3228:     *) Bugfix: the ngx_http_gzip_static_module did not allow the
        !          3229:        ngx_http_dav_module to work; the bug had appeared in 0.6.23.
        !          3230: 
        !          3231:     *) Bugfix: socket leak in HTTPS mode if deferred accept was used.
        !          3232:        Thanks to Ben Maurer.
        !          3233: 
        !          3234:     *) Bugfix: nginx could not be built without PCRE library; the bug had
        !          3235:        appeared in 0.6.23.
        !          3236: 
        !          3237: 
        !          3238: Changes with nginx 0.6.24                                        27 Dec 2007
        !          3239: 
        !          3240:     *) Bugfix: a segmentation fault might occur in worker process if HTTPS
        !          3241:        was used; the bug had appeared in 0.6.23.
        !          3242: 
        !          3243: 
        !          3244: Changes with nginx 0.6.23                                        27 Dec 2007
        !          3245: 
        !          3246:     *) Change: the "off" parameter in the "ssl_session_cache" directive; now
        !          3247:        this is default parameter.
        !          3248: 
        !          3249:     *) Change: the "open_file_cache_retest" directive was renamed to the
        !          3250:        "open_file_cache_valid".
        !          3251: 
        !          3252:     *) Feature: the "open_file_cache_min_uses" directive.
        !          3253: 
        !          3254:     *) Feature: the ngx_http_gzip_static_module.
        !          3255: 
        !          3256:     *) Feature: the "gzip_disable" directive.
        !          3257: 
        !          3258:     *) Feature: the "memcached_pass" directive may be used inside the "if"
        !          3259:        block.
        !          3260: 
        !          3261:     *) Bugfix: a segmentation fault occurred in worker process, if the
        !          3262:        "memcached_pass" and "if" directives were used in the same location.
        !          3263: 
        !          3264:     *) Bugfix: if a "satisfy_any on" directive was used and not all access
        !          3265:        and auth modules directives were set, then other given access and
        !          3266:        auth directives were not tested;
        !          3267: 
        !          3268:     *) Bugfix: regex parameters in a "valid_referers" directive were not
        !          3269:        inherited from previous level.
        !          3270: 
        !          3271:     *) Bugfix: a "post_action" directive did run if a request was completed
        !          3272:        with 499 status code.
        !          3273: 
        !          3274:     *) Bugfix: optimization of 16K buffer usage in a SSL connection.
        !          3275:        Thanks to Ben Maurer.
        !          3276: 
        !          3277:     *) Bugfix: the STARTTLS in SMTP mode did not work.
        !          3278:        Thanks to Oleg Motienko.
        !          3279: 
        !          3280:     *) Bugfix: in HTTPS mode requests might fail with the "bad write retry"
        !          3281:        error; the bug had appeared in 0.5.13.
        !          3282: 
        !          3283: 
        !          3284: Changes with nginx 0.6.22                                        19 Dec 2007
        !          3285: 
        !          3286:     *) Change: now all ngx_http_perl_module methods return values copied to
        !          3287:        perl's allocated memory.
        !          3288: 
        !          3289:     *) Bugfix: if nginx was built with ngx_http_perl_module, the perl before
        !          3290:        5.8.6 was used, and perl supported threads, then during
        !          3291:        reconfiguration the master process aborted; the bug had appeared in
        !          3292:        0.5.9.
        !          3293:        Thanks to Boris Zhmurov.
        !          3294: 
        !          3295:     *) Bugfix: the ngx_http_perl_module methods may get invalid values of
        !          3296:        the regex captures.
        !          3297: 
        !          3298:     *) Bugfix: a segmentation fault occurred in worker process, if the
        !          3299:        $r->has_request_body() method was called for a request whose small
        !          3300:        request body was already received.
        !          3301: 
        !          3302:     *) Bugfix: large_client_header_buffers did not freed before going to
        !          3303:        keep-alive state.
        !          3304:        Thanks to Olexander Shtepa.
        !          3305: 
        !          3306:     *) Bugfix: the last address was missed in the $upstream_addr variable;
        !          3307:        the bug had appeared in 0.6.18.
        !          3308: 
        !          3309:     *) Bugfix: the "fastcgi_catch_stderr" directive did return error code;
        !          3310:        now it returns 502 code, that can be rerouted to a next server using
        !          3311:        the "fastcgi_next_upstream invalid_header" directive.
        !          3312: 
        !          3313:     *) Bugfix: a segmentation fault occurred in master process if the
        !          3314:        "fastcgi_catch_stderr" directive was used; the bug had appeared in
        !          3315:        0.6.10.
        !          3316:        Thanks to Manlio Perillo.
        !          3317: 
        !          3318: 
        !          3319: Changes with nginx 0.6.21                                        03 Dec 2007
        !          3320: 
        !          3321:     *) Change: if variable values used in a "proxy_pass" directive contain
        !          3322:        IP-addresses only, then a "resolver" directive is not mandatory.
        !          3323: 
        !          3324:     *) Bugfix: a segmentation fault might occur in worker process if a
        !          3325:        "proxy_pass" directive with URI-part was used; the bug had appeared
        !          3326:        in 0.6.19.
        !          3327: 
        !          3328:     *) Bugfix: if resolver was used on platform that does not support
        !          3329:        kqueue, then nginx issued an alert "name is out of response".
        !          3330:        Thanks to Andrei Nigmatulin.
        !          3331: 
        !          3332:     *) Bugfix: if the $server_protocol was used in FastCGI parameters and a
        !          3333:        request line length was near to the "client_header_buffer_size"
        !          3334:        directive value, then nginx issued an alert "fastcgi: the request
        !          3335:        record is too big".
        !          3336: 
        !          3337:     *) Bugfix: if a plain text HTTP/0.9 version request was made to HTTPS
        !          3338:        server, then nginx returned usual response.
        !          3339: 
        !          3340: 
        !          3341: Changes with nginx 0.6.20                                        28 Nov 2007
        !          3342: 
        !          3343:     *) Bugfix: a segmentation fault might occur in worker process if a
        !          3344:        "proxy_pass" directive with URI-part was used; the bug had appeared
        !          3345:        in 0.6.19.
        !          3346: 
        !          3347: 
        !          3348: Changes with nginx 0.6.19                                        27 Nov 2007
        !          3349: 
        !          3350:     *) Bugfix: the 0.6.18 version could not be built.
        !          3351: 
        !          3352: 
        !          3353: Changes with nginx 0.6.18                                        27 Nov 2007
        !          3354: 
        !          3355:     *) Change: now the ngx_http_userid_module adds start time microseconds
        !          3356:        to the cookie field contains a pid value.
        !          3357: 
        !          3358:     *) Change: now the full request line instead of URI only is written to
        !          3359:        error_log.
        !          3360: 
        !          3361:     *) Feature: variables support in the "proxy_pass" directive.
        !          3362: 
        !          3363:     *) Feature: the "resolver" and "resolver_timeout" directives.
        !          3364: 
        !          3365:     *) Feature: now the directive "add_header last-modified ''" deletes a
        !          3366:        "Last-Modified" response header line.
        !          3367: 
        !          3368:     *) Bugfix: the "limit_rate" directive did not allow to use full
        !          3369:        throughput, even if limit value was very high.
        !          3370: 
        !          3371: 
        !          3372: Changes with nginx 0.6.17                                        15 Nov 2007
        !          3373: 
        !          3374:     *) Feature: the "If-Range" request header line support.
        !          3375:        Thanks to Alexander V. Inyukhin.
        !          3376: 
        !          3377:     *) Bugfix: URL double escaping in a redirect of the "msie_refresh"
        !          3378:        directive; the bug had appeared in 0.6.4.
        !          3379: 
        !          3380:     *) Bugfix: the "autoindex" directive did not work with the "alias /"
        !          3381:        directive.
        !          3382: 
        !          3383:     *) Bugfix: a segmentation fault might occur in worker process if
        !          3384:        subrequests were used.
        !          3385: 
        !          3386:     *) Bugfix: the big responses may be transferred truncated if SSL and
        !          3387:        gzip were used.
        !          3388: 
        !          3389:     *) Bugfix: the $status variable was equal to 0 if a proxied server
        !          3390:        returned response in HTTP/0.9 version.
        !          3391: 
        !          3392: 
        !          3393: Changes with nginx 0.6.16                                        29 Oct 2007
        !          3394: 
        !          3395:     *) Change: now the uname(2) is used on Linux instead of procfs.
        !          3396:        Thanks to Ilya Novikov.
        !          3397: 
        !          3398:     *) Bugfix: if the "?" character was in a "error_page" directive, then it
        !          3399:        was escaped in a proxied request; the bug had appeared in 0.6.11.
        !          3400: 
        !          3401:     *) Bugfix: compatibility with mget.
        !          3402: 
        !          3403: 
        !          3404: Changes with nginx 0.6.15                                        22 Oct 2007
        !          3405: 
        !          3406:     *) Feature: Cygwin compatibility.
        !          3407:        Thanks to Vladimir Kutakov.
        !          3408: 
        !          3409:     *) Feature: the "merge_slashes" directive.
        !          3410: 
        !          3411:     *) Feature: the "gzip_vary" directive.
        !          3412: 
        !          3413:     *) Feature: the "server_tokens" directive.
        !          3414: 
        !          3415:     *) Bugfix: nginx did not unescape URI in the "include" SSI command.
        !          3416: 
        !          3417:     *) Bugfix: the segmentation fault was occurred on start or while
        !          3418:        reconfiguration if variable was used in the "charset" or
        !          3419:        "source_charset" directives.
        !          3420: 
        !          3421:     *) Bugfix: nginx returned the 400 response on requests like
        !          3422:        "GET http://www.domain.com HTTP/1.0".
        !          3423:        Thanks to James Oakley.
        !          3424: 
        !          3425:     *) Bugfix: if request with request body was redirected using the
        !          3426:        "error_page" directive, then nginx tried to read the request body
        !          3427:        again; the bug had appeared in 0.6.7.
        !          3428: 
        !          3429:     *) Bugfix: a segmentation fault occurred in worker process if no
        !          3430:        server_name was explicitly defined for server processing request; the
        !          3431:        bug had appeared in 0.6.7.
        !          3432: 
        !          3433: 
        !          3434: Changes with nginx 0.6.14                                        15 Oct 2007
        !          3435: 
        !          3436:     *) Change: now by default the "echo" SSI command uses entity encoding.
        !          3437: 
        !          3438:     *) Feature: the "encoding" parameter in the "echo" SSI command.
        !          3439: 
        !          3440:     *) Feature: the "access_log" directive may be used inside the
        !          3441:        "limit_except" block.
        !          3442: 
        !          3443:     *) Bugfix: if all upstream servers were failed, then all servers had got
        !          3444:        weight the was equal one until servers became alive; the bug had
        !          3445:        appeared in 0.6.6.
        !          3446: 
        !          3447:     *) Bugfix: a segmentation fault occurred in worker process if
        !          3448:        $date_local and $date_gmt were used outside the
        !          3449:        ngx_http_ssi_filter_module.
        !          3450: 
        !          3451:     *) Bugfix: a segmentation fault might occur in worker process if debug
        !          3452:        log was enabled.
        !          3453:        Thanks to Andrei Nigmatulin.
        !          3454: 
        !          3455:     *) Bugfix: ngx_http_memcached_module did not set
        !          3456:        $upstream_response_time.
        !          3457:        Thanks to Maxim Dounin.
        !          3458: 
        !          3459:     *) Bugfix: a worker process may got caught in an endless loop, if the
        !          3460:        memcached was used.
        !          3461: 
        !          3462:     *) Bugfix: nginx supported low case only "close" and "keep-alive" values
        !          3463:        in the "Connection" request header line; the bug had appeared in
        !          3464:        0.6.11.
        !          3465: 
        !          3466:     *) Bugfix: sub_filter did not work with empty substitution.
        !          3467: 
        !          3468:     *) Bugfix: in sub_filter parsing.
        !          3469: 
        !          3470: 
        !          3471: Changes with nginx 0.6.13                                        24 Sep 2007
        !          3472: 
        !          3473:     *) Bugfix: nginx did not close directory file on HEAD request if
        !          3474:        autoindex was used.
        !          3475:        Thanks to Arkadiusz Patyk.
        !          3476: 
        !          3477: 
        !          3478: Changes with nginx 0.6.12                                        21 Sep 2007
        !          3479: 
        !          3480:     *) Change: mail proxy was split on three modules: pop3, imap and smtp.
        !          3481: 
        !          3482:     *) Feature: the --without-mail_pop3_module, --without-mail_imap_module,
        !          3483:        and --without-mail_smtp_module configuration parameters.
        !          3484: 
        !          3485:     *) Feature: the "smtp_greeting_delay" and "smtp_client_buffer"
        !          3486:        directives of the ngx_mail_smtp_module.
        !          3487: 
        !          3488:     *) Bugfix: the trailing wildcards did not work; the bug had appeared in
        !          3489:        0.6.9.
        !          3490: 
        !          3491:     *) Bugfix: nginx could not start on Solaris if the shared PCRE library
        !          3492:        located in non-standard place was used.
        !          3493: 
        !          3494:     *) Bugfix: the "proxy_hide_header" and "fastcgi_hide_header" directives
        !          3495:        did not hide response header lines whose name was longer than 32
        !          3496:        characters.
        !          3497:        Thanks to Manlio Perillo.
        !          3498: 
        !          3499: 
        !          3500: Changes with nginx 0.6.11                                        11 Sep 2007
        !          3501: 
        !          3502:     *) Bugfix: active connection counter always increased if mail proxy was
        !          3503:        used.
        !          3504: 
        !          3505:     *) Bugfix: if backend returned response header only using non-buffered
        !          3506:        proxy, then nginx closed backend connection on timeout.
        !          3507: 
        !          3508:     *) Bugfix: nginx did not support several "Connection" request header
        !          3509:        lines.
        !          3510: 
        !          3511:     *) Bugfix: if the "max_fails" was set for upstream server, then after
        !          3512:        first failure server weight was always one; the bug had appeared in
        !          3513:        0.6.6.
        !          3514: 
        !          3515: 
        !          3516: Changes with nginx 0.6.10                                        03 Sep 2007
        !          3517: 
        !          3518:     *) Feature: the "open_file_cache", "open_file_cache_retest", and
        !          3519:        "open_file_cache_errors" directives.
        !          3520: 
        !          3521:     *) Bugfix: socket leak; the bug had appeared in 0.6.7.
        !          3522: 
        !          3523:     *) Bugfix: a charset set by the "charset" directive was not appended to
        !          3524:        the "Content-Type" header set by $r->send_http_header().
        !          3525: 
        !          3526:     *) Bugfix: a segmentation fault might occur in worker process if
        !          3527:        /dev/poll method was used.
        !          3528: 
        !          3529: 
        !          3530: Changes with nginx 0.6.9                                         28 Aug 2007
        !          3531: 
        !          3532:     *) Bugfix: a worker process may got caught in an endless loop, if the
        !          3533:        HTTPS protocol was used; the bug had appeared in 0.6.7.
        !          3534: 
        !          3535:     *) Bugfix: if server listened on two addresses or ports and trailing
        !          3536:        wildcard was used, then nginx did not run.
        !          3537: 
        !          3538:     *) Bugfix: the "ip_hash" directive might incorrectly mark servers as
        !          3539:        down.
        !          3540: 
        !          3541:     *) Bugfix: nginx could not be built on amd64; the bug had appeared in
        !          3542:        0.6.8.
        !          3543: 
        !          3544: 
        !          3545: Changes with nginx 0.6.8                                         20 Aug 2007
        !          3546: 
        !          3547:     *) Change: now nginx tries to set the "worker_priority",
        !          3548:        "worker_rlimit_nofile", "worker_rlimit_core", and
        !          3549:        "worker_rlimit_sigpending" without super-user privileges.
        !          3550: 
        !          3551:     *) Change: now nginx escapes space and "%" in request to a mail proxy
        !          3552:        authentication server.
        !          3553: 
        !          3554:     *) Change: now nginx escapes "%" in $memcached_key variable.
        !          3555: 
        !          3556:     *) Bugfix: nginx used path relative to configuration prefix for
        !          3557:        non-absolute configuration file path specified in the "-c" key; the
        !          3558:        bug had appeared in 0.6.6.
        !          3559: 
        !          3560:     *) Bugfix: nginx did not work on FreeBSD/sparc64.
        !          3561: 
        !          3562: 
        !          3563: Changes with nginx 0.6.7                                         15 Aug 2007
        !          3564: 
        !          3565:     *) Change: now the paths specified in the "include",
        !          3566:        "auth_basic_user_file", "perl_modules", "ssl_certificate",
        !          3567:        "ssl_certificate_key", and "ssl_client_certificate" directives are
        !          3568:        relative to directory of nginx configuration file nginx.conf, but not
        !          3569:        to nginx prefix directory.
        !          3570: 
        !          3571:     *) Change: the --sysconfdir=PATH option in configure was canceled.
        !          3572: 
        !          3573:     *) Change: the special make target "upgrade1" was defined for online
        !          3574:        upgrade of 0.1.x versions.
        !          3575: 
        !          3576:     *) Feature: the "server_name" and "valid_referers" directives support
        !          3577:        regular expressions.
        !          3578: 
        !          3579:     *) Feature: the "server" directive in the "upstream" context supports
        !          3580:        the "backup" parameter.
        !          3581: 
        !          3582:     *) Feature: the ngx_http_perl_module supports the
        !          3583:        $r->discard_request_body.
        !          3584: 
        !          3585:     *) Feature: the "add_header Last-Modified ..." directive changes the
        !          3586:        "Last-Modified" response header line.
        !          3587: 
        !          3588:     *) Bugfix: if a response different than 200 was returned to a request
        !          3589:        with body and connection went to the keep-alive state after the
        !          3590:        request, then nginx returned 400 for the next request.
        !          3591: 
        !          3592:     *) Bugfix: a segmentation fault occurred in worker process if invalid
        !          3593:        address was set in the "auth_http" directive.
        !          3594: 
        !          3595:     *) Bugfix: now nginx uses default listen backlog value 511 on all
        !          3596:        platforms except FreeBSD.
        !          3597:        Thanks to Jiang Hong.
        !          3598: 
        !          3599:     *) Bugfix: a worker process may got caught in an endless loop, if a
        !          3600:        "server" inside "upstream" block was marked as "down"; the bug had
        !          3601:        appeared in 0.6.6.
        !          3602: 
        !          3603:     *) Bugfix: now Solaris sendfilev() is not used to transfer the client
        !          3604:        request body to FastCGI-server via the unix domain socket.
        !          3605: 
        !          3606: 
        !          3607: Changes with nginx 0.6.6                                         30 Jul 2007
        !          3608: 
        !          3609:     *) Feature: the --sysconfdir=PATH option in configure.
        !          3610: 
        !          3611:     *) Feature: named locations.
        !          3612: 
        !          3613:     *) Feature: the $args variable can be set with the "set" directive.
        !          3614: 
        !          3615:     *) Feature: the $is_args variable.
        !          3616: 
        !          3617:     *) Bugfix: fair big weight upstream balancer.
        !          3618: 
        !          3619:     *) Bugfix: if a client has closed connection to mail proxy then nginx
        !          3620:        might not close connection to backend.
        !          3621: 
        !          3622:     *) Bugfix: if the same host without specified port was used as backend
        !          3623:        for HTTP and HTTPS, then nginx used only one port - 80 or 443.
        !          3624: 
        !          3625:     *) Bugfix: fix building on Solaris/amd64 by Sun Studio 11 and early
        !          3626:        versions; the bug had appeared in 0.6.4.
        !          3627: 
        !          3628: 
        !          3629: Changes with nginx 0.6.5                                         23 Jul 2007
        !          3630: 
        !          3631:     *) Feature: $nginx_version variable.
        !          3632:        Thanks to Nick S. Grechukh.
        !          3633: 
        !          3634:     *) Feature: the mail proxy supports AUTHENTICATE in IMAP mode.
        !          3635:        Thanks to Maxim Dounin.
        !          3636: 
        !          3637:     *) Feature: the mail proxy supports STARTTLS in SMTP mode.
        !          3638:        Thanks to Maxim Dounin.
        !          3639: 
        !          3640:     *) Bugfix: now nginx escapes space in $memcached_key variable.
        !          3641: 
        !          3642:     *) Bugfix: nginx was incorrectly built by Sun Studio on Solaris/amd64.
        !          3643:        Thanks to Jiang Hong.
        !          3644: 
        !          3645:     *) Bugfix: of minor potential bugs.
        !          3646:        Thanks to Coverity's Scan.
        !          3647: 
        !          3648: 
        !          3649: Changes with nginx 0.6.4                                         17 Jul 2007
        !          3650: 
        !          3651:     *) Security: the "msie_refresh" directive allowed XSS.
        !          3652:        Thanks to Maxim Boguk.
        !          3653: 
        !          3654:     *) Change: the "proxy_store" and "fastcgi_store" directives were
        !          3655:        changed.
        !          3656: 
        !          3657:     *) Feature: the "proxy_store_access" and "fastcgi_store_access"
        !          3658:        directives.
        !          3659: 
        !          3660:     *) Bugfix: nginx did not work on Solaris/sparc64 if it was built by Sun
        !          3661:        Studio.
        !          3662:        Thanks to Andrei Nigmatulin.
        !          3663: 
        !          3664:     *) Workaround: for Sun Studio 12.
        !          3665:        Thanks to Jiang Hong.
        !          3666: 
        !          3667: 
        !          3668: Changes with nginx 0.6.3                                         12 Jul 2007
        !          3669: 
        !          3670:     *) Feature: the "proxy_store" and "fastcgi_store" directives.
        !          3671: 
        !          3672:     *) Bugfix: a segmentation fault might occur in worker process if the
        !          3673:        "auth_http_header" directive was used.
        !          3674:        Thanks to Maxim Dounin.
        !          3675: 
        !          3676:     *) Bugfix: a segmentation fault occurred in worker process if the
        !          3677:        CRAM-MD5 authentication method was used, but it was not enabled.
        !          3678: 
        !          3679:     *) Bugfix: a segmentation fault might occur in worker process when the
        !          3680:        HTTPS protocol was used in the "proxy_pass" directive.
        !          3681: 
        !          3682:     *) Bugfix: a segmentation fault might occur in worker process if the
        !          3683:        eventport method was used.
        !          3684: 
        !          3685:     *) Bugfix: the "proxy_ignore_client_abort" and
        !          3686:        "fastcgi_ignore_client_abort" directives did not work; the bug had
        !          3687:        appeared in 0.5.13.
        !          3688: 
        !          3689: 
        !          3690: Changes with nginx 0.6.2                                         09 Jul 2007
        !          3691: 
        !          3692:     *) Bugfix: if the FastCGI header was split in records, then nginx passed
        !          3693:        garbage in the header to a client.
        !          3694: 
        !          3695: 
        !          3696: Changes with nginx 0.6.1                                         17 Jun 2007
        !          3697: 
        !          3698:     *) Bugfix: in SSI parsing.
        !          3699: 
        !          3700:     *) Bugfix: if remote SSI subrequest was used, then posterior local file
        !          3701:        subrequest might transferred to client in wrong order.
        !          3702: 
        !          3703:     *) Bugfix: large SSI inclusions buffered in temporary files were
        !          3704:        truncated.
        !          3705: 
        !          3706:     *) Bugfix: the perl $$ variable value in ngx_http_perl_module was equal
        !          3707:        to the master process identification number.
        !          3708: 
        !          3709: 
        !          3710: Changes with nginx 0.6.0                                         14 Jun 2007
        !          3711: 
        !          3712:     *) Feature: the "server_name", "map", and "valid_referers" directives
        !          3713:        support the "www.example.*" wildcards.
        !          3714: 
        !          3715: 
        !          3716: Changes with nginx 0.5.25                                        11 Jun 2007
        !          3717: 
        !          3718:     *) Bugfix: nginx could not be built with the
        !          3719:        --without-http_rewrite_module parameter; the bug had appeared in
        !          3720:        0.5.24.
        !          3721: 
        !          3722: 
        !          3723: Changes with nginx 0.5.24                                        06 Jun 2007
        !          3724: 
        !          3725:     *) Security: the "ssl_verify_client" directive did not work if request
        !          3726:        was made using HTTP/0.9.
        !          3727: 
        !          3728:     *) Bugfix: a part of response body might be passed uncompressed if gzip
        !          3729:        was used; the bug had appeared in 0.5.23.
        !          3730: 
        !          3731: 
        !          3732: Changes with nginx 0.5.23                                        04 Jun 2007
        !          3733: 
        !          3734:     *) Feature: the ngx_http_ssl_module supports Server Name Indication TLS
        !          3735:        extension.
        !          3736: 
        !          3737:     *) Feature: the "fastcgi_catch_stderr" directive.
        !          3738:        Thanks to Nick S. Grechukh, OWOX project.
        !          3739: 
        !          3740:     *) Bugfix: a segmentation fault occurred in master process if two
        !          3741:        virtual servers should bind() to the overlapping ports.
        !          3742: 
        !          3743:     *) Bugfix: if nginx was built with ngx_http_perl_module and perl
        !          3744:        supported threads, then during second reconfiguration the error
        !          3745:        messages "panic: MUTEX_LOCK" and "perl_parse() failed" were issued.
        !          3746: 
        !          3747:     *) Bugfix: in the HTTPS protocol in the "proxy_pass" directive.
        !          3748: 
        !          3749: 
        !          3750: Changes with nginx 0.5.22                                        29 May 2007
        !          3751: 
        !          3752:     *) Bugfix: a big request body might not be passed to backend; the bug
        !          3753:        had appeared in 0.5.21.
        !          3754: 
        !          3755: 
        !          3756: Changes with nginx 0.5.21                                        28 May 2007
        !          3757: 
        !          3758:     *) Bugfix: if server has more than about ten locations, then regex
        !          3759:        locations might be choosen not in that order as they were specified.
        !          3760: 
        !          3761:     *) Bugfix: a worker process may got caught in an endless loop on 64-bit
        !          3762:        platform, if the 33-rd or next in succession backend has failed.
        !          3763:        Thanks to Anton Povarov.
        !          3764: 
        !          3765:     *) Bugfix: a bus error might occur on Solaris/sparc64 if the PCRE
        !          3766:        library was used.
        !          3767:        Thanks to Andrei Nigmatulin.
        !          3768: 
        !          3769:     *) Bugfix: in the HTTPS protocol in the "proxy_pass" directive.
        !          3770: 
        !          3771: 
        !          3772: Changes with nginx 0.5.20                                        07 May 2007
        !          3773: 
        !          3774:     *) Feature: the "sendfile_max_chunk" directive.
        !          3775: 
        !          3776:     *) Feature: the "$http_...", "$sent_http_...", and "$upstream_http_..."
        !          3777:        variables may be changed using the "set" directive.
        !          3778: 
        !          3779:     *) Bugfix: a segmentation fault might occur in worker process if the SSI
        !          3780:        command 'if expr="$var = /"' was used.
        !          3781: 
        !          3782:     *) Bugfix: trailing boundary of multipart range response was transferred
        !          3783:        incorrectly.
        !          3784:        Thanks to Evan Miller.
        !          3785: 
        !          3786:     *) Bugfix: nginx did not work on Solaris/sparc64 if it was built by Sun
        !          3787:        Studio.
        !          3788:        Thanks to Andrei Nigmatulin.
        !          3789: 
        !          3790:     *) Bugfix: the ngx_http_perl_module could not be built by Solaris make.
        !          3791:        Thanks to Andrei Nigmatulin.
        !          3792: 
        !          3793: 
        !          3794: Changes with nginx 0.5.19                                        24 Apr 2007
        !          3795: 
        !          3796:     *) Change: now the $request_time variable has millisecond precision.
        !          3797: 
        !          3798:     *) Change: the method $r->rflush of ngx_http_perl_module was renamed to
        !          3799:        the $r->flush.
        !          3800: 
        !          3801:     *) Feature: the $upstream_addr variable.
        !          3802: 
        !          3803:     *) Feature: the "proxy_headers_hash_max_size" and
        !          3804:        "proxy_headers_hash_bucket_size" directives.
        !          3805:        Thanks to Volodymyr Kostyrko.
        !          3806: 
        !          3807:     *) Bugfix: the files more than 2G could not be transferred using
        !          3808:        sendfile and limit_rate on 64-bit platforms.
        !          3809: 
        !          3810:     *) Bugfix: the files more than 2G could not be transferred using
        !          3811:        sendfile on 64-bit Linux.
        !          3812: 
        !          3813: 
        !          3814: Changes with nginx 0.5.18                                        19 Apr 2007
        !          3815: 
        !          3816:     *) Feature: the ngx_http_sub_filter_module.
        !          3817: 
        !          3818:     *) Feature: the "$upstream_http_..." variables.
        !          3819: 
        !          3820:     *) Feature: now the $upstream_status and $upstream_response_time
        !          3821:        variables keep data about all upstreams before X-Accel-Redirect.
        !          3822: 
        !          3823:     *) Bugfix: a segmentation fault occurred in master process after first
        !          3824:        reconfiguration and receiving any signal if nginx was built with
        !          3825:        ngx_http_perl_module and perl did not support multiplicity; the bug
        !          3826:        had appeared in 0.5.9.
        !          3827: 
        !          3828:     *) Bugfix: if perl did not support multiplicity, then after
        !          3829:        reconfiguration perl code did not work; the bug had appeared in
        !          3830:        0.3.38.
        !          3831: 
        !          3832: 
        !          3833: Changes with nginx 0.5.17                                        02 Apr 2007
        !          3834: 
        !          3835:     *) Change: now nginx always returns the 405 status for the TRACE method.
        !          3836: 
        !          3837:     *) Feature: now nginx supports the "include" directive inside the
        !          3838:        "types" block.
        !          3839: 
        !          3840:     *) Bugfix: the $document_root variable usage in the "root" and "alias"
        !          3841:        directives is disabled: this caused recursive stack overflow.
        !          3842: 
        !          3843:     *) Bugfix: in the HTTPS protocol in the "proxy_pass" directive.
        !          3844: 
        !          3845:     *) Bugfix: in some cases non-cachable variables (such as $uri variable)
        !          3846:        returned old cached value.
        !          3847: 
        !          3848: 
        !          3849: Changes with nginx 0.5.16                                        26 Mar 2007
        !          3850: 
        !          3851:     *) Bugfix: the C-class network was not used as hash key in the "ip_hash"
        !          3852:        directive.
        !          3853:        Thanks to Pavel Yarkovoy.
        !          3854: 
        !          3855:     *) Bugfix: a segmentation fault might occur in worker process if a
        !          3856:        charset was set in the "Content-Type" header line and the line has
        !          3857:        trailing ";"; the bug had appeared in 0.3.50.
        !          3858: 
        !          3859:     *) Bugfix: the "[alert] zero size buf" error when FastCGI server was
        !          3860:        used and a request body written in a temporary file was multiple of
        !          3861:        32K.
        !          3862: 
        !          3863:     *) Bugfix: nginx could not be built on Solaris without the --with-debug
        !          3864:        option; the bug had appeared in 0.5.15.
        !          3865: 
        !          3866: 
        !          3867: Changes with nginx 0.5.15                                        19 Mar 2007
        !          3868: 
        !          3869:     *) Feature: the mail proxy supports authenticated SMTP proxying and the
        !          3870:        "smtp_auth", "smtp_capablities", and "xclient" directives.
        !          3871:        Thanks to Anton Yuzhaninov and Maxim Dounin.
        !          3872: 
        !          3873:     *) Feature: now the keep-alive connections are closed just after
        !          3874:        receiving the reconfiguration signal.
        !          3875: 
        !          3876:     *) Change: the "imap" and "auth" directives were renamed to the "mail"
        !          3877:        and "pop3_auth" directives.
        !          3878: 
        !          3879:     *) Bugfix: a segmentation fault occurred in worker process if the
        !          3880:        CRAM-MD5 authentication method was used and the APOP method was
        !          3881:        disabled.
        !          3882: 
        !          3883:     *) Bugfix: if the "starttls only" directive was used in POP3 protocol,
        !          3884:        then nginx allowed authentication without switching to the SSL mode.
        !          3885: 
        !          3886:     *) Bugfix: worker processes did not exit after reconfiguration and did
        !          3887:        not rotate logs if the eventport method was used.
        !          3888: 
        !          3889:     *) Bugfix: a worker process may got caught in an endless loop, if the
        !          3890:        "ip_hash" directive was used.
        !          3891: 
        !          3892:     *) Bugfix: now nginx does not log some alerts if eventport or /dev/poll
        !          3893:        methods are used.
        !          3894: 
        !          3895: 
        !          3896: Changes with nginx 0.5.14                                        23 Feb 2007
        !          3897: 
        !          3898:     *) Bugfix: nginx ignored superfluous closing "}" in the end of
        !          3899:        configuration file.
        !          3900: 
        !          3901: 
        !          3902: Changes with nginx 0.5.13                                        19 Feb 2007
        !          3903: 
        !          3904:     *) Feature: the COPY and MOVE methods.
        !          3905: 
        !          3906:     *) Bugfix: the ngx_http_realip_module set garbage for requests passed
        !          3907:        via keep-alive connection.
        !          3908: 
        !          3909:     *) Bugfix: nginx did not work on big-endian 64-bit Linux.
        !          3910:        Thanks to Andrei Nigmatulin.
        !          3911: 
        !          3912:     *) Bugfix: now when IMAP/POP3 proxy receives too long command it closes
        !          3913:        the connection right away, but not after timeout.
        !          3914: 
        !          3915:     *) Bugfix: if the "epoll" method was used and a client closed a
        !          3916:        connection prematurely, then nginx closed the connection after a send
        !          3917:        timeout only.
        !          3918: 
        !          3919:     *) Bugfix: nginx could not be built on platforms different from i386,
        !          3920:        amd64, sparc, and ppc; the bug had appeared in 0.5.8.
        !          3921: 
        !          3922: 
        !          3923: Changes with nginx 0.5.12                                        12 Feb 2007
        !          3924: 
        !          3925:     *) Bugfix: nginx could not be built on platforms different from i386,
        !          3926:        amd64, sparc, and ppc; the bug had appeared in 0.5.8.
        !          3927: 
        !          3928:     *) Bugfix: a segmentation fault might occur in worker process if the
        !          3929:        temporary files were used while working with FastCGI server; the bug
        !          3930:        had appeared in 0.5.8.
        !          3931: 
        !          3932:     *) Bugfix: a segmentation fault might occur in worker process if the
        !          3933:        $fastcgi_script_name variable was logged.
        !          3934: 
        !          3935:     *) Bugfix: ngx_http_perl_module could not be built on Solaris.
        !          3936: 
        !          3937: 
        !          3938: Changes with nginx 0.5.11                                        05 Feb 2007
        !          3939: 
        !          3940:     *) Feature: now configure detects system PCRE library in MacPorts.
        !          3941:        Thanks to Chris McGrath.
        !          3942: 
        !          3943:     *) Bugfix: the response was incorrect if several ranges were requested;
        !          3944:        the bug had appeared in 0.5.6.
        !          3945: 
        !          3946:     *) Bugfix: the "create_full_put_path" directive could not create the
        !          3947:        intermediate directories if no "dav_access" directive was set.
        !          3948:        Thanks to Evan Miller.
        !          3949: 
        !          3950:     *) Bugfix: the "0" response code might be logged in the access_log
        !          3951:        instead of the "400" and "408" error codes.
        !          3952: 
        !          3953:     *) Bugfix: a segmentation fault might occur in worker process if nginx
        !          3954:        was built with -O2 optimization.
        !          3955: 
        !          3956: 
        !          3957: Changes with nginx 0.5.10                                        26 Jan 2007
        !          3958: 
        !          3959:     *) Bugfix: while online executable file upgrade the new master process
        !          3960:        did not inherit the listening sockets; the bug had appeared in 0.5.9.
        !          3961: 
        !          3962:     *) Bugfix: a segmentation fault might occur in worker process if nginx
        !          3963:        was built with -O2 optimization; the bug had appeared in 0.5.1.
        !          3964: 
        !          3965: 
        !          3966: Changes with nginx 0.5.9                                         25 Jan 2007
        !          3967: 
        !          3968:     *) Change: now the ngx_http_memcached_module uses the $memcached_key
        !          3969:        variable value as a key.
        !          3970: 
        !          3971:     *) Feature: the $memcached_key variable.
        !          3972: 
        !          3973:     *) Feature: the "clean" parameter in the "client_body_in_file_only"
        !          3974:        directive.
        !          3975: 
        !          3976:     *) Feature: the "env" directive.
        !          3977: 
        !          3978:     *) Feature: the "sendfile" directive is available inside the "if" block.
        !          3979: 
        !          3980:     *) Feature: now on failure of the writing to access nginx logs a message
        !          3981:        to error_log, but not more often than once a minute.
        !          3982: 
        !          3983:     *) Bugfix: the "access_log off" directive did not always turn off the
        !          3984:        logging.
        !          3985: 
        !          3986: 
        !          3987: Changes with nginx 0.5.8                                         19 Jan 2007
        !          3988: 
        !          3989:     *) Bugfix: a segmentation fault might occur if
        !          3990:        "client_body_in_file_only on" was used and a request body was small.
        !          3991: 
        !          3992:     *) Bugfix: a segmentation fault occurred if
        !          3993:        "client_body_in_file_only on" and "proxy_pass_request_body off" or
        !          3994:        "fastcgi_pass_request_body off" directives were used, and nginx
        !          3995:        switched to a next upstream.
        !          3996: 
        !          3997:     *) Bugfix: if the "proxy_buffering off" directive was used and a client
        !          3998:        connection was non-active, then the connection was closed after send
        !          3999:        timeout; the bug had appeared in 0.4.7.
        !          4000: 
        !          4001:     *) Bugfix: if the "epoll" method was used and a client closed a
        !          4002:        connection prematurely, then nginx closed the connection after a send
        !          4003:        timeout only.
        !          4004: 
        !          4005:     *) Bugfix: the "[alert] zero size buf" error when FastCGI server was
        !          4006:        used.
        !          4007: 
        !          4008:     *) Bugfixes in the "limit_zone" directive.
        !          4009: 
        !          4010: 
        !          4011: Changes with nginx 0.5.7                                         15 Jan 2007
        !          4012: 
        !          4013:     *) Feature: the ssl_session_cache storage optimization.
        !          4014: 
        !          4015:     *) Bugfixes in the "ssl_session_cache" and "limit_zone" directives.
        !          4016: 
        !          4017:     *) Bugfix: the segmentation fault was occurred on start or while
        !          4018:        reconfiguration if the "ssl_session_cache" or "limit_zone" directives
        !          4019:        were used on 64-bit platforms.
        !          4020: 
        !          4021:     *) Bugfix: a segmentation fault occurred if the "add_before_body" or
        !          4022:        "add_after_body" directives were used and there was no "Content-Type"
        !          4023:        header line in response.
        !          4024: 
        !          4025:     *) Bugfix: the OpenSSL library was always built with the threads
        !          4026:        support.
        !          4027:        Thanks to Den Ivanov.
        !          4028: 
        !          4029:     *) Bugfix: the PCRE-6.5+ library and the icc compiler compatibility.
        !          4030: 
        !          4031: 
        !          4032: Changes with nginx 0.5.6                                         09 Jan 2007
        !          4033: 
        !          4034:     *) Change: now the ngx_http_index_module ignores all methods except the
        !          4035:        GET, HEAD, and POST methods.
        !          4036: 
        !          4037:     *) Feature: the ngx_http_limit_zone_module.
        !          4038: 
        !          4039:     *) Feature: the $binary_remote_addr variable.
        !          4040: 
        !          4041:     *) Feature: the "ssl_session_cache" directives of the
        !          4042:        ngx_http_ssl_module and ngx_imap_ssl_module.
        !          4043: 
        !          4044:     *) Feature: the DELETE method supports recursive removal.
        !          4045: 
        !          4046:     *) Bugfix: the byte-ranges were transferred incorrectly if the
        !          4047:        $r->sendfile() was used.
        !          4048: 
        !          4049: 
        !          4050: Changes with nginx 0.5.5                                         24 Dec 2006
        !          4051: 
        !          4052:     *) Change: the -v switch does not show compiler information any more.
        !          4053: 
        !          4054:     *) Feature: the -V switch.
        !          4055: 
        !          4056:     *) Feature: the "worker_rlimit_core" directive supports size in K, M,
        !          4057:        and G.
        !          4058: 
        !          4059:     *) Bugfix: the nginx.pm module now could be installed by an unprivileged
        !          4060:        user.
        !          4061: 
        !          4062:     *) Bugfix: a segmentation fault might occur if the $r->request_body or
        !          4063:        $r->request_body_file methods were used.
        !          4064: 
        !          4065:     *) Bugfix: the ppc platform specific bugs.
        !          4066: 
        !          4067: 
        !          4068: Changes with nginx 0.5.4                                         15 Dec 2006
        !          4069: 
        !          4070:     *) Feature: the "perl" directive may be used inside the "limit_except"
        !          4071:        block.
        !          4072: 
        !          4073:     *) Bugfix: the ngx_http_dav_module required the "Date" request header
        !          4074:        line for the DELETE method.
        !          4075: 
        !          4076:     *) Bugfix: if one only parameter was used in the "dav_access" directive,
        !          4077:        then nginx might report about configuration error.
        !          4078: 
        !          4079:     *) Bugfix: a segmentation fault might occur if the $host variable was
        !          4080:        used; the bug had appeared in 0.4.14.
        !          4081: 
        !          4082: 
        !          4083: Changes with nginx 0.5.3                                         13 Dec 2006
        !          4084: 
        !          4085:     *) Feature: the ngx_http_perl_module supports the $r->status,
        !          4086:        $r->log_error, and $r->sleep methods.
        !          4087: 
        !          4088:     *) Feature: the $r->variable method supports variables that do not exist
        !          4089:        in nginx configuration.
        !          4090: 
        !          4091:     *) Bugfix: the $r->has_request_body method did not work.
        !          4092: 
        !          4093: 
        !          4094: Changes with nginx 0.5.2                                         11 Dec 2006
        !          4095: 
        !          4096:     *) Bugfix: if the "proxy_pass" directive used the name of the "upstream"
        !          4097:        block, then nginx tried to resolve the name; the bug had appeared in
        !          4098:        0.5.1.
        !          4099: 
        !          4100: 
        !          4101: Changes with nginx 0.5.1                                         11 Dec 2006
        !          4102: 
        !          4103:     *) Bugfix: the "post_action" directive might not run after a
        !          4104:        unsuccessful completion of a request.
        !          4105: 
        !          4106:     *) Workaround: for Eudora for Mac; the bug had appeared in 0.4.11.
        !          4107:        Thanks to Bron Gondwana.
        !          4108: 
        !          4109:     *) Bugfix: if the "upstream" name was used in the "fastcgi_pass", then
        !          4110:        the message "no port in upstream" was issued; the bug had appeared in
        !          4111:        0.5.0.
        !          4112: 
        !          4113:     *) Bugfix: if the "proxy_pass" and "fastcgi_pass" directives used the
        !          4114:        same servers but different ports, then these directives uses the
        !          4115:        first described port; the bug had appeared in 0.5.0.
        !          4116: 
        !          4117:     *) Bugfix: if the "proxy_pass" and "fastcgi_pass" directives used the
        !          4118:        unix domain sockets, then these directives used first described
        !          4119:        socket; the bug had appeared in 0.5.0.
        !          4120: 
        !          4121:     *) Bugfix: ngx_http_auth_basic_module ignored the user if it was in the
        !          4122:        last line in the password file and there was no the carriage return,
        !          4123:        the line feed, or the ":" symbol after the password.
        !          4124: 
        !          4125:     *) Bugfix: the $upstream_response_time variable might be equal to
        !          4126:        "0.000", although response time was more than 1 millisecond.
        !          4127: 
        !          4128: 
        !          4129: Changes with nginx 0.5.0                                         04 Dec 2006
        !          4130: 
        !          4131:     *) Change: the parameters in the "%name" form in the "log_format"
        !          4132:        directive are not supported anymore.
        !          4133: 
        !          4134:     *) Change: the "proxy_upstream_max_fails",
        !          4135:        "proxy_upstream_fail_timeout", "fastcgi_upstream_max_fails",
        !          4136:        "fastcgi_upstream_fail_timeout", "memcached_upstream_max_fails", and
        !          4137:        "memcached_upstream_fail_timeout" directives are not supported
        !          4138:        anymore.
        !          4139: 
        !          4140:     *) Feature: the "server" directive in the "upstream" context supports
        !          4141:        the "max_fails", "fail_timeout", and "down" parameters.
        !          4142: 
        !          4143:     *) Feature: the "ip_hash" directive inside the "upstream" block.
        !          4144: 
        !          4145:     *) Feature: the WAIT status in the "Auth-Status" header line of the
        !          4146:        IMAP/POP3 proxy authentication server response.
        !          4147: 
        !          4148:     *) Bugfix: nginx could not be built on 64-bit platforms; the bug had
        !          4149:        appeared in 0.4.14.
        !          4150: 
        !          4151: 
        !          4152: Changes with nginx 0.4.14                                        27 Nov 2006
        !          4153: 
        !          4154:     *) Feature: the "proxy_pass_error_message" directive in IMAP/POP3 proxy.
        !          4155: 
        !          4156:     *) Feature: now configure detects system PCRE library on FreeBSD, Linux,
        !          4157:        and NetBSD.
        !          4158: 
        !          4159:     *) Bugfix: ngx_http_perl_module did not work with perl built with the
        !          4160:        threads support; the bug had appeared in 0.3.38.
        !          4161: 
        !          4162:     *) Bugfix: ngx_http_perl_module did not work if perl was called
        !          4163:        recursively.
        !          4164: 
        !          4165:     *) Bugfix: nginx ignored a host name in a request line.
        !          4166: 
        !          4167:     *) Bugfix: a worker process may got caught in an endless loop, if a
        !          4168:        FastCGI server sent too many data to the stderr.
        !          4169: 
        !          4170:     *) Bugfix: the $upstream_response_time variable may be negative if the
        !          4171:        system time was changed backward.
        !          4172: 
        !          4173:     *) Bugfix: the "Auth-Login-Attempt" parameter was not sent to IMAP/POP3
        !          4174:        proxy authentication server when POP3 was used.
        !          4175: 
        !          4176:     *) Bugfix: a segmentation fault might occur if connect to IMAP/POP3
        !          4177:        proxy authentication server failed.
        !          4178: 
        !          4179: 
        !          4180: Changes with nginx 0.4.13                                        15 Nov 2006
        !          4181: 
        !          4182:     *) Feature: the "proxy_pass" directive may be used inside the
        !          4183:        "limit_except" block.
        !          4184: 
        !          4185:     *) Feature: the "limit_except" directive supports all WebDAV methods.
        !          4186: 
        !          4187:     *) Bugfix: if the "add_before_body" directive was used without the
        !          4188:        "add_after_body" directive, then a response did not transferred
        !          4189:        complete.
        !          4190: 
        !          4191:     *) Bugfix: a large request body did not receive if the epoll method and
        !          4192:        the deferred accept() were used.
        !          4193: 
        !          4194:     *) Bugfix: a charset could not be set for ngx_http_autoindex_module
        !          4195:        responses; the bug had appeared in 0.3.50.
        !          4196: 
        !          4197:     *) Bugfix: the "[alert] zero size buf" error when FastCGI server was
        !          4198:        used;
        !          4199: 
        !          4200:     *) Bugfix: the --group= configuration parameter was ignored.
        !          4201:        Thanks to Thomas Moschny.
        !          4202: 
        !          4203:     *) Bugfix: the 50th subrequest in SSI response did not work; the bug had
        !          4204:        appeared in 0.3.50.
        !          4205: 
        !          4206: 
        !          4207: Changes with nginx 0.4.12                                        31 Oct 2006
        !          4208: 
        !          4209:     *) Feature: the ngx_http_perl_module supports the $r->variable method.
        !          4210: 
        !          4211:     *) Bugfix: if a big static file was included using SSI in a response,
        !          4212:        then the response may be transferred incomplete.
        !          4213: 
        !          4214:     *) Bugfix: nginx did not omit the "#fragment" part in URI.
        !          4215: 
        !          4216: 
        !          4217: Changes with nginx 0.4.11                                        25 Oct 2006
        !          4218: 
        !          4219:     *) Feature: the POP3 proxy supports the AUTH LOGIN PLAIN and CRAM-MD5.
        !          4220: 
        !          4221:     *) Feature: the ngx_http_perl_module supports the $r->allow_ranges
        !          4222:        method.
        !          4223: 
        !          4224:     *) Bugfix: if the APOP was enabled in the POP3 proxy, then the USER/PASS
        !          4225:        commands might not work; the bug had appeared in 0.4.10.
        !          4226: 
        !          4227: 
        !          4228: Changes with nginx 0.4.10                                        23 Oct 2006
        !          4229: 
        !          4230:     *) Feature: the POP3 proxy supports the APOP command.
        !          4231: 
        !          4232:     *) Bugfix: if the select, poll or /dev/poll methods were used, then
        !          4233:        while waiting authentication server response the IMAP/POP3 proxy
        !          4234:        hogged CPU.
        !          4235: 
        !          4236:     *) Bugfix: a segmentation fault might occur if the $server_addr variable
        !          4237:        was used in the "map" directive.
        !          4238: 
        !          4239:     *) Bugfix: the ngx_http_flv_module did not support the byte ranges for
        !          4240:        full responses; the bug had appeared in 0.4.7.
        !          4241: 
        !          4242:     *) Bugfix: nginx could not be built on Debian amd64; the bug had
        !          4243:        appeared in 0.4.9.
        !          4244: 
        !          4245: 
        !          4246: Changes with nginx 0.4.9                                         13 Oct 2006
        !          4247: 
        !          4248:     *) Feature: the "set" parameter in the "include" SSI command.
        !          4249: 
        !          4250:     *) Feature: the ngx_http_perl_module now tests the nginx.pm module
        !          4251:        version.
        !          4252: 
        !          4253: 
        !          4254: Changes with nginx 0.4.8                                         11 Oct 2006
        !          4255: 
        !          4256:     *) Bugfix: if an "include" SSI command were before another "include" SSI
        !          4257:        command with a "wait" parameter, then the "wait" parameter might not
        !          4258:        work.
        !          4259: 
        !          4260:     *) Bugfix: the ngx_http_flv_module added the FLV header to the full
        !          4261:        responses.
        !          4262:        Thanks to Alexey Kovyrin.
        !          4263: 
        !          4264: 
        !          4265: Changes with nginx 0.4.7                                         10 Oct 2006
        !          4266: 
        !          4267:     *) Feature: the ngx_http_flv_module.
        !          4268: 
        !          4269:     *) Feature: the $request_body_file variable.
        !          4270: 
        !          4271:     *) Feature: the "charset" and "source_charset" directives support the
        !          4272:        variables.
        !          4273: 
        !          4274:     *) Bugfix: if an "include" SSI command were before another "include" SSI
        !          4275:        command with a "wait" parameter, then the "wait" parameter might not
        !          4276:        work.
        !          4277: 
        !          4278:     *) Bugfix: if the "proxy_buffering off" directive was used or while
        !          4279:        working with memcached the connections might not be closed on
        !          4280:        timeout.
        !          4281: 
        !          4282:     *) Bugfix: nginx did not run on 64-bit platforms except amd64, sparc64,
        !          4283:        and ppc64.
        !          4284: 
        !          4285: 
        !          4286: Changes with nginx 0.4.6                                         06 Oct 2006
        !          4287: 
        !          4288:     *) Bugfix: nginx did not run on 64-bit platforms except amd64, sparc64,
        !          4289:        and ppc64.
        !          4290: 
        !          4291:     *) Bugfix: nginx sent the chunked response for HTTP/1.1 request,
        !          4292:        if its length was set by text string in the
        !          4293:        $r->headers_out("Content-Length", ...) method.
        !          4294: 
        !          4295:     *) Bugfix: after redirecting error by an "error_page" directive any
        !          4296:        ngx_http_rewrite_module directive returned this error code; the bug
        !          4297:        had appeared in 0.4.4.
        !          4298: 
        !          4299: 
        !          4300: Changes with nginx 0.4.5                                         02 Oct 2006
        !          4301: 
        !          4302:     *) Bugfix: nginx could not be built on Linux and Solaris; the bug had
        !          4303:        appeared in 0.4.4.
        !          4304: 
        !          4305: 
        !          4306: Changes with nginx 0.4.4                                         02 Oct 2006
        !          4307: 
        !          4308:     *) Feature: the $scheme variable.
        !          4309: 
        !          4310:     *) Feature: the "expires" directive supports the "max" parameter.
        !          4311: 
        !          4312:     *) Feature: the "include" directive supports the "*" mask.
        !          4313:        Thanks to Jonathan Dance.
        !          4314: 
        !          4315:     *) Bugfix: the "return" directive always overrode the "error_page"
        !          4316:        response code redirected by the "error_page" directive.
        !          4317: 
        !          4318:     *) Bugfix: a segmentation fault occurred if zero-length body was in PUT
        !          4319:        method.
        !          4320: 
        !          4321:     *) Bugfix: the redirect was changed incorrectly if the variables were
        !          4322:        used in the "proxy_redirect" directive.
        !          4323: 
        !          4324: 
        !          4325: Changes with nginx 0.4.3                                         26 Sep 2006
        !          4326: 
        !          4327:     *) Change: now the 499 error could not be redirected using an
        !          4328:        "error_page" directive.
        !          4329: 
        !          4330:     *) Feature: the Solaris 10 event ports support.
        !          4331: 
        !          4332:     *) Feature: the ngx_http_browser_module.
        !          4333: 
        !          4334:     *) Bugfix: a segmentation fault may occur while redirecting the 400
        !          4335:        error to the proxied server using a "proxy_pass" directive.
        !          4336: 
        !          4337:     *) Bugfix: a segmentation fault occurred if an unix domain socket was
        !          4338:        used in a "proxy_pass" directive; the bug had appeared in 0.3.47.
        !          4339: 
        !          4340:     *) Bugfix: SSI did work with memcached and nonbuffered responses.
        !          4341: 
        !          4342:     *) Workaround: of the Sun Studio PAUSE hardware capability bug.
        !          4343: 
        !          4344: 
        !          4345: Changes with nginx 0.4.2                                         14 Sep 2006
        !          4346: 
        !          4347:     *) Bugfix: the O_NOATIME flag support on Linux was canceled; the bug had
        !          4348:        appeared in 0.4.1.
        !          4349: 
        !          4350: 
        !          4351: Changes with nginx 0.4.1                                         14 Sep 2006
        !          4352: 
        !          4353:     *) Bugfix: the DragonFlyBSD compatibility.
        !          4354:        Thanks to Pavel Nazarov.
        !          4355: 
        !          4356:     *) Workaround: of bug in 64-bit Linux sendfile(), when file is more than
        !          4357:        2G.
        !          4358: 
        !          4359:     *) Feature: now on Linux nginx uses O_NOATIME flag for static requests.
        !          4360:        Thanks to Yusuf Goolamabbas.
        !          4361: 
        !          4362: 
        !          4363: Changes with nginx 0.4.0                                         30 Aug 2006
        !          4364: 
        !          4365:     *) Change in internal API: the HTTP modules initialization was moved
        !          4366:        from the init module phase to the HTTP postconfiguration phase.
        !          4367: 
        !          4368:     *) Change: now the request body is not read beforehand for the
        !          4369:        ngx_http_perl_module: it's required to start the reading using the
        !          4370:        $r->has_request_body method.
        !          4371: 
        !          4372:     *) Feature: the ngx_http_perl_module supports the DECLINED return code.
        !          4373: 
        !          4374:     *) Feature: the ngx_http_dav_module supports the incoming "Date" header
        !          4375:        line for the PUT method.
        !          4376: 
        !          4377:     *) Feature: the "ssi" directive is available inside the "if" block.
        !          4378: 
        !          4379:     *) Bugfix: a segmentation fault occurred if there was an "index"
        !          4380:        directive with variables and the first index name was without
        !          4381:        variables; the bug had appeared in 0.1.29.
        !          4382: 
        !          4383: 
        !          4384: Changes with nginx 0.3.61                                        28 Aug 2006
        !          4385: 
        !          4386:     *) Change: now the "tcp_nodelay" directive is turned on by default.
        !          4387: 
        !          4388:     *) Feature: the "msie_refresh" directive.
        !          4389: 
        !          4390:     *) Feature: the "recursive_error_pages" directive.
        !          4391: 
        !          4392:     *) Bugfix: the "rewrite" directive returned incorrect redirect, if the
        !          4393:        redirect had the captured escaped symbols from original URI.
        !          4394: 
        !          4395: 
        !          4396: Changes with nginx 0.3.60                                        18 Aug 2006
        !          4397: 
        !          4398:     *) Bugfix: a worker process may got caught in an endless loop while an
        !          4399:        error redirection; the bug had appeared in 0.3.59.
        !          4400: 
        !          4401: 
        !          4402: Changes with nginx 0.3.59                                        16 Aug 2006
        !          4403: 
        !          4404:     *) Feature: now is possible to do several redirection using the
        !          4405:        "error_page" directive.
        !          4406: 
        !          4407:     *) Bugfix: the "dav_access" directive did not support three parameters.
        !          4408: 
        !          4409:     *) Bugfix: the "error_page" directive did not changes the "Content-Type"
        !          4410:        header line after the "X-Accel-Redirect" was used; the bug had
        !          4411:        appeared in 0.3.58.
        !          4412: 
        !          4413: 
        !          4414: Changes with nginx 0.3.58                                        14 Aug 2006
        !          4415: 
        !          4416:     *) Feature: the "error_page" directive supports the variables.
        !          4417: 
        !          4418:     *) Change: now the procfs interface instead of sysctl is used on Linux.
        !          4419: 
        !          4420:     *) Change: now the "Content-Type" header line is inherited from first
        !          4421:        response when the "X-Accel-Redirect" was used.
        !          4422: 
        !          4423:     *) Bugfix: the "error_page" directive did not redirect the 413 error.
        !          4424: 
        !          4425:     *) Bugfix: the trailing "?" did not remove old arguments if no new
        !          4426:        arguments were added to a rewritten URI.
        !          4427: 
        !          4428:     *) Bugfix: nginx could not run on 64-bit FreeBSD 7.0-CURRENT.
        !          4429: 
        !          4430: 
        !          4431: Changes with nginx 0.3.57                                        09 Aug 2006
        !          4432: 
        !          4433:     *) Feature: the $ssl_client_serial variable.
        !          4434: 
        !          4435:     *) Bugfix: in the "!-e" operator of the "if" directive.
        !          4436:        Thanks to Andrian Budanstov.
        !          4437: 
        !          4438:     *) Bugfix: while a client certificate verification nginx did not send to
        !          4439:        a client the required certificates information.
        !          4440: 
        !          4441:     *) Bugfix: the $document_root variable did not support the variables in
        !          4442:        the "root" directive.
        !          4443: 
        !          4444: 
        !          4445: Changes with nginx 0.3.56                                        04 Aug 2006
        !          4446: 
        !          4447:     *) Feature: the "dav_access" directive.
        !          4448: 
        !          4449:     *) Feature: the "if" directive supports the "-d", "!-d", "-e", "!-e",
        !          4450:        "-x", and "!-x" operators.
        !          4451: 
        !          4452:     *) Bugfix: a segmentation fault occurred if a request returned a
        !          4453:        redirect and some sent to client header lines were logged in the
        !          4454:        access log.
        !          4455: 
        !          4456: 
        !          4457: Changes with nginx 0.3.55                                        28 Jul 2006
        !          4458: 
        !          4459:     *) Feature: the "stub" parameter in the "include" SSI command.
        !          4460: 
        !          4461:     *) Feature: the "block" SSI command.
        !          4462: 
        !          4463:     *) Feature: the unicode2nginx script was added to contrib.
        !          4464: 
        !          4465:     *) Bugfix: if a "root" was specified by variable only, then the root was
        !          4466:        relative to a server prefix.
        !          4467: 
        !          4468:     *) Bugfix: if the request contained "//" or "/./" and escaped symbols
        !          4469:        after them, then the proxied request was sent unescaped.
        !          4470: 
        !          4471:     *) Bugfix: the $r->header_in("Cookie") of the ngx_http_perl_module now
        !          4472:        returns all "Cookie" header lines.
        !          4473: 
        !          4474:     *) Bugfix: a segmentation fault occurred if
        !          4475:        "client_body_in_file_only on" was used and nginx switched to a next
        !          4476:        upstream.
        !          4477: 
        !          4478:     *) Bugfix: on some condition while reconfiguration character codes
        !          4479:        inside the "charset_map" may be treated invalid; the bug had appeared
        !          4480:        in 0.3.50.
        !          4481: 
        !          4482: 
        !          4483: Changes with nginx 0.3.54                                        11 Jul 2006
        !          4484: 
        !          4485:     *) Feature: nginx now logs the subrequest information to the error log.
        !          4486: 
        !          4487:     *) Feature: the "proxy_next_upstream", "fastcgi_next_upstream", and
        !          4488:        "memcached_next_upstream" directives support the "off" parameter.
        !          4489: 
        !          4490:     *) Feature: the "debug_connection" directive supports the CIDR address
        !          4491:        form.
        !          4492: 
        !          4493:     *) Bugfix: if a response of proxied server or FastCGI server was
        !          4494:        converted from UTF-8 or back, then it may be transferred incomplete.
        !          4495: 
        !          4496:     *) Bugfix: the $upstream_response_time variable had the time of the
        !          4497:        first request to a backend only.
        !          4498: 
        !          4499:     *) Bugfix: nginx could not be built on amd64 platform; the bug had
        !          4500:        appeared in 0.3.53.
        !          4501: 
        !          4502: 
        !          4503: Changes with nginx 0.3.53                                        07 Jul 2006
        !          4504: 
        !          4505:     *) Change: the "add_header" directive adds the string to 204, 301, and
        !          4506:        302 responses.
        !          4507: 
        !          4508:     *) Feature: the "server" directive in the "upstream" context supports
        !          4509:        the "weight" parameter.
        !          4510: 
        !          4511:     *) Feature: the "server_name" directive supports the "*" wildcard.
        !          4512: 
        !          4513:     *) Feature: nginx supports the request body size more than 2G.
        !          4514: 
        !          4515:     *) Bugfix: if a client was successfully authorized using "satisfy_any
        !          4516:        on", then anyway the message "access forbidden by rule" was written
        !          4517:        in the log.
        !          4518: 
        !          4519:     *) Bugfix: the "PUT" method may erroneously not create a file and return
        !          4520:        the 409 code.
        !          4521: 
        !          4522:     *) Bugfix: if the IMAP/POP3 backend returned an error, then nginx
        !          4523:        continued proxying anyway.
        !          4524: 
        !          4525: 
        !          4526: Changes with nginx 0.3.52                                        03 Jul 2006
        !          4527: 
        !          4528:     *) Change: the ngx_http_index_module behavior for the "POST /" requests
        !          4529:        is reverted to the 0.3.40 version state: the module now does not
        !          4530:        return the 405 error.
        !          4531: 
        !          4532:     *) Bugfix: the worker process may got caught in an endless loop if the
        !          4533:        limit rate was used; the bug had appeared in 0.3.37.
        !          4534: 
        !          4535:     *) Bugfix: ngx_http_charset_module logged "unknown charset" alert, even
        !          4536:        if the recoding was not needed; the bug had appeared in 0.3.50.
        !          4537: 
        !          4538:     *) Bugfix: if a code response of the PUT request was 409, then a
        !          4539:        temporary file was not removed.
        !          4540: 
        !          4541: 
        !          4542: Changes with nginx 0.3.51                                        30 Jun 2006
        !          4543: 
        !          4544:     *) Bugfix: the "<" symbols might disappeared some conditions in the SSI;
        !          4545:        the bug had appeared in 0.3.50.
        !          4546: 
        !          4547: 
        !          4548: Changes with nginx 0.3.50                                        28 Jun 2006
        !          4549: 
        !          4550:     *) Change: the "proxy_redirect_errors" and "fastcgi_redirect_errors"
        !          4551:        directives was renamed to the "proxy_intercept_errors" and
        !          4552:        "fastcgi_intercept_errors" directives.
        !          4553: 
        !          4554:     *) Feature: the ngx_http_charset_module supports the recoding from the
        !          4555:        single byte encodings to the UTF-8 encoding and back.
        !          4556: 
        !          4557:     *) Feature: the "X-Accel-Charset" response header line is supported in
        !          4558:        proxy and FastCGI mode.
        !          4559: 
        !          4560:     *) Bugfix: the "\" escape symbol in the "\"" and "\'" pairs in the SSI
        !          4561:        command was removed only if the command also has the "$" symbol.
        !          4562: 
        !          4563:     *) Bugfix: the "<!--" string might be added on some conditions in the
        !          4564:        SSI after inclusion.
        !          4565: 
        !          4566:     *) Bugfix: if the "Content-Length: 0" header line was in response, then
        !          4567:        in nonbuffered proxying mode the client connection was not closed.
        !          4568: 
        !          4569: 
        !          4570: Changes with nginx 0.3.49                                        31 May 2006
        !          4571: 
        !          4572:     *) Bugfix: in the "set" directive.
        !          4573: 
        !          4574:     *) Bugfix: if two or more FastCGI subrequests was in SSI, then first
        !          4575:        subrequest output was included instead of second and following
        !          4576:        subrequests.
        !          4577: 
        !          4578: 
        !          4579: Changes with nginx 0.3.48                                        29 May 2006
        !          4580: 
        !          4581:     *) Change: now the ngx_http_charset_module works for subrequests, if the
        !          4582:        response has no "Content-Type" header line.
        !          4583: 
        !          4584:     *) Bugfix: if the "proxy_pass" directive has no URI part, then the
        !          4585:        "proxy_redirect default" directive add the unnecessary slash in start
        !          4586:        of the rewritten redirect.
        !          4587: 
        !          4588:     *) Bugfix: the internal redirect always transform client's HTTP method
        !          4589:        to GET, now the transformation is made for the "X-Accel-Redirect"
        !          4590:        redirects only and if the method is not HEAD; the bug had appeared in
        !          4591:        0.3.42.
        !          4592: 
        !          4593:     *) Bugfix: the ngx_http_perl_module could not be built, if the perl was
        !          4594:        built with the threads support; the bug had appeared in 0.3.46.
        !          4595: 
        !          4596: 
        !          4597: Changes with nginx 0.3.47                                        23 May 2006
        !          4598: 
        !          4599:     *) Feature: the "upstream" directive.
        !          4600: 
        !          4601:     *) Change: now the "\" escape symbol in the "\"" and "\'" pairs in the
        !          4602:        SSI command is always removed.
        !          4603: 
        !          4604: 
        !          4605: Changes with nginx 0.3.46                                        11 May 2006
        !          4606: 
        !          4607:     *) Feature: the "proxy_hide_header", "proxy_pass_header",
        !          4608:        "fastcgi_hide_header", and "fastcgi_pass_header" directives.
        !          4609: 
        !          4610:     *) Change: the "proxy_pass_x_powered_by", "fastcgi_x_powered_by", and
        !          4611:        "proxy_pass_server" directives were canceled.
        !          4612: 
        !          4613:     *) Feature: the "X-Accel-Buffering" response header line is supported in
        !          4614:        proxy mode.
        !          4615: 
        !          4616:     *) Bugfix: the reconfiguration bug and memory leaks in the
        !          4617:        ngx_http_perl_module.
        !          4618: 
        !          4619: 
        !          4620: Changes with nginx 0.3.45                                        06 May 2006
        !          4621: 
        !          4622:     *) Feature: the "ssl_verify_client", "ssl_verify_depth", and
        !          4623:        "ssl_client_certificate" directives.
        !          4624: 
        !          4625:     *) Change: the $request_method variable now returns the main request
        !          4626:        method.
        !          4627: 
        !          4628:     *) Change: the &deg; symbol codes were changed in koi-win conversion
        !          4629:        table.
        !          4630: 
        !          4631:     *) Feature: the euro and N symbols were added to koi-win conversion
        !          4632:        table.
        !          4633: 
        !          4634:     *) Bugfix: if nginx distributed the requests among several backends and
        !          4635:        some backend failed, then requests intended for this backend was
        !          4636:        directed to one live backend only instead of being distributed among
        !          4637:        the rest.
        !          4638: 
        !          4639: 
        !          4640: Changes with nginx 0.3.44                                        04 May 2006
        !          4641: 
        !          4642:     *) Feature: the "wait" parameter in the "include" SSI command.
        !          4643: 
        !          4644:     *) Feature: the Ukrainian and Byelorussian characters were added to
        !          4645:        koi-win conversion table.
        !          4646: 
        !          4647:     *) Bugfix: in the SSI.
        !          4648: 
        !          4649: 
        !          4650: Changes with nginx 0.3.43                                        26 Apr 2006
        !          4651: 
        !          4652:     *) Bugfix: in the SSI.
        !          4653: 
        !          4654: 
        !          4655: Changes with nginx 0.3.42                                        26 Apr 2006
        !          4656: 
        !          4657:     *) Feature: the "bind" option of the "listen" directive in IMAP/POP3
        !          4658:        proxy.
        !          4659: 
        !          4660:     *) Bugfix: if the same capture in the "rewrite" directive was used more
        !          4661:        then once.
        !          4662: 
        !          4663:     *) Bugfix: the $sent_http_content_type, $sent_http_content_length,
        !          4664:        $sent_http_last_modified, $sent_http_connection,
        !          4665:        $sent_http_keep_alive, and $sent_http_transfer_encoding variables
        !          4666:        were not written to access log.
        !          4667: 
        !          4668:     *) Bugfix: the $sent_http_cache_control returned value of the single
        !          4669:        "Cache-Control" response header line.
        !          4670: 
        !          4671: 
        !          4672: Changes with nginx 0.3.41                                        21 Apr 2006
        !          4673: 
        !          4674:     *) Feature: the -v switch.
        !          4675: 
        !          4676:     *) Bugfix: the segmentation fault may occurred if the SSI page has
        !          4677:        remote subrequests.
        !          4678: 
        !          4679:     *) Bugfix: in FastCGI handling.
        !          4680: 
        !          4681:     *) Bugfix: if the perl modules path was not set using
        !          4682:        --with-perl_modules_path=PATH or the "perl_modules", then the
        !          4683:        segmentation fault was occurred.
        !          4684: 
        !          4685: 
        !          4686: Changes with nginx 0.3.40                                        19 Apr 2006
        !          4687: 
        !          4688:     *) Feature: the ngx_http_dav_module supports the MKCOL method.
        !          4689: 
        !          4690:     *) Feature: the "create_full_put_path" directive.
        !          4691: 
        !          4692:     *) Feature: the "$limit_rate" variable.
        !          4693: 
        !          4694: 
        !          4695: Changes with nginx 0.3.39                                        17 Apr 2006
        !          4696: 
        !          4697:     *) Feature: the "uninitialized_variable_warn" directive; the logging
        !          4698:        level of the "uninitialized variable" message was lowered from
        !          4699:        "alert" to "warn".
        !          4700: 
        !          4701:     *) Feature: the "override_charset" directive.
        !          4702: 
        !          4703:     *) Change: now if the unknown variable is used in the "echo" and "if
        !          4704:        expr='$name'" SSI-commands, then the "unknown variable" message is
        !          4705:        not logged.
        !          4706: 
        !          4707:     *) Bugfix: the active connection counter increased on the exceeding of
        !          4708:        the connection limit specified by the "worker_connections" directive;
        !          4709:        the bug had appeared in 0.2.0.
        !          4710: 
        !          4711:     *) Bugfix: the limit rate might not work on some condition; the bug had
        !          4712:        appeared in 0.3.38.
        !          4713: 
        !          4714: 
        !          4715: Changes with nginx 0.3.38                                        14 Apr 2006
        !          4716: 
        !          4717:     *) Feature: the ngx_http_dav_module.
        !          4718: 
        !          4719:     *) Change: the ngx_http_perl_module optimizations.
        !          4720:        Thanks to Sergey Skvortsov.
        !          4721: 
        !          4722:     *) Feature: the ngx_http_perl_module supports the $r->request_body_file
        !          4723:        method.
        !          4724: 
        !          4725:     *) Feature: the "client_body_in_file_only" directive.
        !          4726: 
        !          4727:     *) Workaround: now on disk overflow nginx tries to write access logs
        !          4728:        once a second only.
        !          4729:        Thanks to Anton Yuzhaninov and Maxim Dounin.
        !          4730: 
        !          4731:     *) Bugfix: now the "limit_rate" directive more precisely limits rate if
        !          4732:        rate is more than 100 Kbyte/s.
        !          4733:        Thanks to ForJest.
        !          4734: 
        !          4735:     *) Bugfix: now the IMAP/POP3 proxy escapes the "\r" and "\n" symbols in
        !          4736:        login and password to pass authorization server.
        !          4737:        Thanks to Maxim Dounin.
        !          4738: 
        !          4739: 
        !          4740: Changes with nginx 0.3.37                                        07 Apr 2006
        !          4741: 
        !          4742:     *) Feature: the "limit_except" directive.
        !          4743: 
        !          4744:     *) Feature: the "if" directive supports the "!~", "!~*", "-f", and "!-f"
        !          4745:        operators.
        !          4746: 
        !          4747:     *) Feature: the ngx_http_perl_module supports the $r->request_body
        !          4748:        method.
        !          4749: 
        !          4750:     *) Bugfix: in the ngx_http_addition_filter_module.
        !          4751: 
        !          4752: 
        !          4753: Changes with nginx 0.3.36                                        05 Apr 2006
        !          4754: 
        !          4755:     *) Feature: the ngx_http_addition_filter_module.
        !          4756: 
        !          4757:     *) Feature: the "proxy_pass" and "fastcgi_pass" directives may be used
        !          4758:        inside the "if" block.
        !          4759: 
        !          4760:     *) Feature: the "proxy_ignore_client_abort" and
        !          4761:        "fastcgi_ignore_client_abort" directives.
        !          4762: 
        !          4763:     *) Feature: the "$request_completion" variable.
        !          4764: 
        !          4765:     *) Feature: the ngx_http_perl_module supports the $r->request_method and
        !          4766:        $r->remote_addr.
        !          4767: 
        !          4768:     *) Feature: the ngx_http_ssi_module supports the "elif" command.
        !          4769: 
        !          4770:     *) Bugfix: the "\/" string in the expression of the "if" command of the
        !          4771:        ngx_http_ssi_module was treated incorrectly.
        !          4772: 
        !          4773:     *) Bugfix: in the regular expressions in the "if" command of the
        !          4774:        ngx_http_ssi_module.
        !          4775: 
        !          4776:     *) Bugfix: if the relative path was specified in the
        !          4777:        "client_body_temp_path", "proxy_temp_path", "fastcgi_temp_path", and
        !          4778:        "perl_modules" directives, then the directory was used relatively to
        !          4779:        a current path but not to a server prefix.
        !          4780: 
        !          4781: 
        !          4782: Changes with nginx 0.3.35                                        22 Mar 2006
        !          4783: 
        !          4784:     *) Bugfix: the accept-filter and the TCP_DEFER_ACCEPT option were set
        !          4785:        for first "listen" directive only; the bug had appeared in 0.3.31.
        !          4786: 
        !          4787:     *) Bugfix: in the "proxy_pass" directive without the URI part in a
        !          4788:        subrequest.
        !          4789: 
        !          4790: 
        !          4791: Changes with nginx 0.3.34                                        21 Mar 2006
        !          4792: 
        !          4793:     *) Feature: the "add_header" directive supports the variables.
        !          4794: 
        !          4795: 
        !          4796: Changes with nginx 0.3.33                                        15 Mar 2006
        !          4797: 
        !          4798:     *) Feature: the "http_503" parameter of the "proxy_next_upstream" or
        !          4799:        "fastcgi_next_upstream" directives.
        !          4800: 
        !          4801:     *) Bugfix: ngx_http_perl_module did not work with inlined in the
        !          4802:        configuration code, if it was not started with the "sub" word.
        !          4803: 
        !          4804:     *) Bugfix: in the "post_action" directive.
        !          4805: 
        !          4806: 
        !          4807: Changes with nginx 0.3.32                                        11 Mar 2006
        !          4808: 
        !          4809:     *) Bugfix: the debug logging on startup and reconfiguration time was
        !          4810:        removed; the bug had appeared in 0.3.31.
        !          4811: 
        !          4812: 
        !          4813: Changes with nginx 0.3.31                                        10 Mar 2006
        !          4814: 
        !          4815:     *) Change: now nginx passes the malformed proxied backend responses.
        !          4816: 
        !          4817:     *) Feature: the "listen" directives support the address in the "*:port"
        !          4818:        form.
        !          4819: 
        !          4820:     *) Feature: the EVFILER_TIMER support in MacOSX 10.4.
        !          4821: 
        !          4822:     *) Workaround: for MacOSX 64-bit kernel kqueue millisecond timeout bug.
        !          4823:        Thanks to Andrei Nigmatulin.
        !          4824: 
        !          4825:     *) Bugfix: if there were several "listen" directives listening one
        !          4826:        various addresses inside one server, then server names like
        !          4827:        "*.domain.tld" worked for first address only; the bug had appeared in
        !          4828:        0.3.18.
        !          4829: 
        !          4830:     *) Bugfix: if the HTTPS protocol was used in the "proxy_pass" directive
        !          4831:        and the request body was in temporary file then the request was not
        !          4832:        transferred.
        !          4833: 
        !          4834:     *) Bugfix: perl 5.8.8 compatibility.
        !          4835: 
        !          4836: 
        !          4837: Changes with nginx 0.3.30                                        22 Feb 2006
        !          4838: 
        !          4839:     *) Change: the ECONNABORTED error log level was changed to "error" from
        !          4840:        "crit".
        !          4841: 
        !          4842:     *) Bugfix: the ngx_http_perl_module could not be build without the
        !          4843:        ngx_http_ssi_filter_module.
        !          4844: 
        !          4845:     *) Bugfix: nginx could not be built on i386 platform, if the PIC was
        !          4846:        used; the bug had appeared in 0.3.27.
        !          4847: 
        !          4848: 
        !          4849: Changes with nginx 0.3.29                                        20 Feb 2006
        !          4850: 
        !          4851:     *) Feature: now nginx uses less memory, if PHP in FastCGI mode sends
        !          4852:        many warnings before the response.
        !          4853: 
        !          4854:     *) Bugfix: the "Transfer-Encoding: chunked" header line was issued in
        !          4855:        the 204 responses for the HTTP/1.1 requests.
        !          4856: 
        !          4857:     *) Bugfix: nginx returned the 502 response, if the complete response
        !          4858:        header lines were transferred in a separate FastCGI records.
        !          4859: 
        !          4860:     *) Bugfix: if the proxied URI was specified in the "post_action"
        !          4861:        directive, then it ran only after a successful completion of a
        !          4862:        request.
        !          4863: 
        !          4864: 
        !          4865: Changes with nginx 0.3.28                                        16 Feb 2006
        !          4866: 
        !          4867:     *) Feature: the "restrict_host_names" directive was canceled.
        !          4868: 
        !          4869:     *) Feature: the --with-cpu-opt=ppc64 configuration parameter.
        !          4870: 
        !          4871:     *) Bugfix: on some condition the proxied connection with a client was
        !          4872:        terminated prematurely.
        !          4873:        Thanks to Vladimir Shutoff.
        !          4874: 
        !          4875:     *) Bugfix: the "X-Accel-Limit-Rate" header line was not taken into
        !          4876:        account if the request was redirected using the "X-Accel-Redirect"
        !          4877:        header line.
        !          4878: 
        !          4879:     *) Bugfix: the "post_action" directive ran only after a successful
        !          4880:        completion of a request.
        !          4881: 
        !          4882:     *) Bugfix: the proxied response body generated by the "post_action"
        !          4883:        directive was transferred to a client.
        !          4884: 
        !          4885: 
        !          4886: Changes with nginx 0.3.27                                        08 Feb 2006
        !          4887: 
        !          4888:     *) Change: the "variables_hash_max_size" and
        !          4889:        "variables_hash_bucket_size" directives.
        !          4890: 
        !          4891:     *) Feature: the $body_bytes_sent variable can be used not only in the
        !          4892:        "log_format" directive.
        !          4893: 
        !          4894:     *) Feature: the $ssl_protocol and $ssl_cipher variables.
        !          4895: 
        !          4896:     *) Feature: the cache line size detection for widespread CPUs at start
        !          4897:        time.
        !          4898: 
        !          4899:     *) Feature: now the "accept_mutex" directive is supported using fcntl(2)
        !          4900:        on platforms different from i386, amd64, sparc64, and ppc.
        !          4901: 
        !          4902:     *) Feature: the "lock_file" directive and the --with-lock-path=PATH
        !          4903:        autoconfiguration directive.
        !          4904: 
        !          4905:     *) Bugfix: if the HTTPS protocol was used in the "proxy_pass" directive
        !          4906:        then the requests with the body was not transferred.
        !          4907: 
        !          4908: 
        !          4909: Changes with nginx 0.3.26                                        03 Feb 2006
        !          4910: 
        !          4911:     *) Change: the "optimize_host_names" directive was renamed to the
        !          4912:        "optimize_server_names".
        !          4913: 
        !          4914:     *) Bugfix: if in the "proxy_pass" directive was no the URI part, then
        !          4915:        the main request URI was transferred to a backend while proxying the
        !          4916:        SSI subrequest.
        !          4917: 
        !          4918: 
        !          4919: Changes with nginx 0.3.25                                        01 Feb 2006
        !          4920: 
        !          4921:     *) Bugfix: the segmentation fault was occurred on start or while
        !          4922:        reconfiguration if there was invalid configuration; the bug had
        !          4923:        appeared in 0.3.24.
        !          4924: 
        !          4925: 
        !          4926: Changes with nginx 0.3.24                                        01 Feb 2006
        !          4927: 
        !          4928:     *) Workaround: for bug in FreeBSD kqueue.
        !          4929: 
        !          4930:     *) Bugfix: now a response generated by the "post_action" directive is
        !          4931:        not transferred to a client.
        !          4932: 
        !          4933:     *) Bugfix: the memory leaks were occurring if many log files were used.
        !          4934: 
        !          4935:     *) Bugfix: the first "proxy_redirect" directive was working inside one
        !          4936:        location.
        !          4937: 
        !          4938:     *) Bugfix: on 64-bit platforms segmentation fault may occurred on start
        !          4939:        if the many names were used in the "server_name" directives; the bug
        !          4940:        had appeared in 0.3.18.
        !          4941: 
        !          4942: 
        !          4943: Changes with nginx 0.3.23                                        24 Jan 2006
        !          4944: 
        !          4945:     *) Feature: the "optimize_host_names" directive.
        !          4946: 
        !          4947:     *) Bugfix: in using of the variables in the "path" and "alias"
        !          4948:        directives.
        !          4949: 
        !          4950:     *) Bugfix: the ngx_http_perl_module was incorrectly built on Linux and
        !          4951:        Solaris.
        !          4952: 
        !          4953: 
        !          4954: Changes with nginx 0.3.22                                        17 Jan 2006
        !          4955: 
        !          4956:     *) Feature: the ngx_http_perl_module supports the $r->args and
        !          4957:        $r->unescape methods.
        !          4958: 
        !          4959:     *) Feature: the method $r->query_string of ngx_http_perl_module was
        !          4960:        canceled.
        !          4961: 
        !          4962:     *) Bugfix: segmentation fault was occurred if the "none" or "blocked"
        !          4963:        values was specified in the "valid_referers" directive; the bug had
        !          4964:        appeared in 0.3.18.
        !          4965: 
        !          4966: 
        !          4967: Changes with nginx 0.3.21                                        16 Jan 2006
        !          4968: 
        !          4969:     *) Feature: the ngx_http_perl_module.
        !          4970: 
        !          4971:     *) Change: the "valid_referers" directive allows the referreres without
        !          4972:        URI part.
        !          4973: 
        !          4974: 
        !          4975: Changes with nginx 0.3.20                                        11 Jan 2006
        !          4976: 
        !          4977:     *) Bugfix: in SSI handling.
        !          4978: 
        !          4979:     *) Bugfix: the ngx_http_memcached_module did not support the keys in the
        !          4980:        "/usr?args" form.
        !          4981: 
        !          4982: 
        !          4983: Changes with nginx 0.3.19                                        28 Dec 2005
        !          4984: 
        !          4985:     *) Feature: the "path" and "alias" directives support the variables.
        !          4986: 
        !          4987:     *) Change: now the "valid_referers" directive again checks the URI part.
        !          4988: 
        !          4989:     *) Bugfix: in SSI handling.
        !          4990: 
        !          4991: 
        !          4992: Changes with nginx 0.3.18                                        26 Dec 2005
        !          4993: 
        !          4994:     *) Feature: the "server_names" directive supports the ".domain.tld"
        !          4995:        names.
        !          4996: 
        !          4997:     *) Feature: the "server_names" directive uses the hash for the
        !          4998:        "*.domain.tld" names and more effective hash for usual names.
        !          4999: 
        !          5000:     *) Change: the "server_names_hash_max_size" and
        !          5001:        "server_names_hash_bucket_size" directives.
        !          5002: 
        !          5003:     *) Change: the "server_names_hash" and "server_names_hash_threshold"
        !          5004:        directives were canceled.
        !          5005: 
        !          5006:     *) Feature: the "valid_referers" directive uses the hash site names.
        !          5007: 
        !          5008:     *) Change: now the "valid_referers" directive checks the site names only
        !          5009:        without the URI part.
        !          5010: 
        !          5011:     *) Bugfix: some ".domain.tld" names incorrectly processed by the
        !          5012:        ngx_http_map_module.
        !          5013: 
        !          5014:     *) Bugfix: segmentation fault was occurred if configuration file did not
        !          5015:        exist; the bug had appeared in 0.3.12.
        !          5016: 
        !          5017:     *) Bugfix: on 64-bit platforms segmentation fault may occurred on start;
        !          5018:        the bug had appeared in 0.3.16.
        !          5019: 
        !          5020: 
        !          5021: Changes with nginx 0.3.17                                        18 Dec 2005
        !          5022: 
        !          5023:     *) Change: now on Linux configure checks the presence of epoll and
        !          5024:        sendfile64() in kernel.
        !          5025: 
        !          5026:     *) Feature: the "map" directive supports domain names in the
        !          5027:        ".domain.tld" form.
        !          5028: 
        !          5029:     *) Bugfix: the timeouts were not used in SSL handshake; the bug had
        !          5030:        appeared in 0.2.4.
        !          5031: 
        !          5032:     *) Bugfix: in the HTTPS protocol in the "proxy_pass" directive.
        !          5033: 
        !          5034:     *) Bugfix: when the HTTPS protocol was used in the "proxy_pass"
        !          5035:        directive the port 80 was used by default.
        !          5036: 
        !          5037: 
        !          5038: Changes with nginx 0.3.16                                        16 Dec 2005
        !          5039: 
        !          5040:     *) Feature: the ngx_http_map_module.
        !          5041: 
        !          5042:     *) Feature: the "types_hash_max_size" and "types_hash_bucket_size"
        !          5043:        directives.
        !          5044: 
        !          5045:     *) Feature: the "ssi_value_length" directive.
        !          5046: 
        !          5047:     *) Feature: the "worker_rlimit_core" directive.
        !          5048: 
        !          5049:     *) Workaround: the connection number in logs was always 1 if nginx was
        !          5050:        built by the icc 8.1 or 9.0 compilers with optimization for
        !          5051:        Pentium 4.
        !          5052: 
        !          5053:     *) Bugfix: the "config timefmt" SSI command set incorrect time format.
        !          5054: 
        !          5055:     *) Bugfix: nginx did not close connection to IMAP/POP3 backend for the
        !          5056:        SSL connections; the bug had appeared in 0.3.13.
        !          5057:        Thanks to Rob Mueller.
        !          5058: 
        !          5059:     *) Bugfix: segmentation fault may occurred in at SSL shutdown; the bug
        !          5060:        had appeared in 0.3.13.
        !          5061: 
        !          5062: 
        !          5063: Changes with nginx 0.3.15                                        07 Dec 2005
        !          5064: 
        !          5065:     *) Feature: the new 444 code of the "return" directive to close
        !          5066:        connection.
        !          5067: 
        !          5068:     *) Feature: the "so_keepalive" directive in IMAP/POP3 proxy.
        !          5069: 
        !          5070:     *) Bugfix: if there are unclosed connection nginx now calls abort() only
        !          5071:        on gracefull quit and active "debug_points" directive.
        !          5072: 
        !          5073: 
        !          5074: Changes with nginx 0.3.14                                        05 Dec 2005
        !          5075: 
        !          5076:     *) Bugfix: in the 304 response the body was transferred; the bug had
        !          5077:        appeared in 0.3.13.
        !          5078: 
        !          5079: 
        !          5080: Changes with nginx 0.3.13                                        05 Dec 2005
        !          5081: 
        !          5082:     *) Feature: the IMAP/POP3 proxy supports STARTTLS and STLS.
        !          5083: 
        !          5084:     *) Bugfix: the IMAP/POP3 proxy did not work with the select, poll, and
        !          5085:        /dev/poll methods.
        !          5086: 
        !          5087:     *) Bugfix: in SSI handling.
        !          5088: 
        !          5089:     *) Bugfix: now Solaris sendfilev() is not used to transfer the client
        !          5090:        request body to FastCGI-server via the unix domain socket.
        !          5091: 
        !          5092:     *) Bugfix: the "auth_basic" directive did not disable the authorization;
        !          5093:        the bug had appeared in 0.3.11.
        !          5094: 
        !          5095: 
        !          5096: Changes with nginx 0.3.12                                        26 Nov 2005
        !          5097: 
        !          5098:     *) Security: if nginx was built with the ngx_http_realip_module and the
        !          5099:        "satisfy_any on" directive was used, then access and authorization
        !          5100:        directives did not work. The ngx_http_realip_module was not built and
        !          5101:        is not built by default.
        !          5102: 
        !          5103:     *) Change: the "$time_gmt" variable name was changed to "$time_local".
        !          5104: 
        !          5105:     *) Change: the "proxy_header_buffer_size" and
        !          5106:        "fastcgi_header_buffer_size" directives was renamed to the
        !          5107:        "proxy_buffer_size" and "fastcgi_buffer_size" directives.
        !          5108: 
        !          5109:     *) Feature: the ngx_http_memcached_module.
        !          5110: 
        !          5111:     *) Feature: the "proxy_buffering" directive.
        !          5112: 
        !          5113:     *) Bugfix: the changes in accept mutex handling when the "rtsig" method
        !          5114:        was used; the bug had appeared in 0.3.0.
        !          5115: 
        !          5116:     *) Bugfix: if the client sent the "Transfer-Encoding: chunked" header
        !          5117:        line, then nginx returns the 411 error.
        !          5118: 
        !          5119:     *) Bugfix: if the "auth_basic" directive was inherited from the http
        !          5120:        level, then the realm in the "WWW-Authenticate" header line was
        !          5121:        without the "Basic realm" text.
        !          5122: 
        !          5123:     *) Bugfix: if the "combined" format was explicitly specified in the
        !          5124:        "access_log" directive, then the empty lines was written to the log;
        !          5125:        the bug had appeared in 0.3.8.
        !          5126: 
        !          5127:     *) Bugfix: nginx did not run on the sparc platform under any OS except
        !          5128:        Solaris.
        !          5129: 
        !          5130:     *) Bugfix: now it is not necessary to place space between the quoted
        !          5131:        string and closing bracket in the "if" directive.
        !          5132: 
        !          5133: 
        !          5134: Changes with nginx 0.3.11                                        15 Nov 2005
        !          5135: 
        !          5136:     *) Bugfix: nginx did not pass the client request headers and body while
        !          5137:        proxying; the bug had appeared in 0.3.10.
        !          5138: 
        !          5139: 
        !          5140: Changes with nginx 0.3.10                                        15 Nov 2005
        !          5141: 
        !          5142:     *) Change: the "valid_referers" directive and the "$invalid_referer"
        !          5143:        variable were moved to the new ngx_http_referer_module from the
        !          5144:        ngx_http_rewrite_module.
        !          5145: 
        !          5146:     *) Change: the "$apache_bytes_sent" variable name was changed to
        !          5147:        "$body_bytes_sent".
        !          5148: 
        !          5149:     *) Feature: the "$sent_http_..." variables.
        !          5150: 
        !          5151:     *) Feature: the "if" directive supports the "=" and "!=" operations.
        !          5152: 
        !          5153:     *) Feature: the "proxy_pass" directive supports the HTTPS protocol.
        !          5154: 
        !          5155:     *) Feature: the "proxy_set_body" directive.
        !          5156: 
        !          5157:     *) Feature: the "post_action" directive.
        !          5158: 
        !          5159:     *) Feature: the ngx_http_empty_gif_module.
        !          5160: 
        !          5161:     *) Feature: the "worker_cpu_affinity" directive for Linux.
        !          5162: 
        !          5163:     *) Bugfix: the "rewrite" directive did not unescape URI part in
        !          5164:        redirect, now it is unescaped except the %00-%25 and %7F-%FF
        !          5165:        characters.
        !          5166: 
        !          5167:     *) Bugfix: nginx could not be built by the icc 9.0 compiler.
        !          5168: 
        !          5169:     *) Bugfix: if the SSI was enabled for zero size static file, then the
        !          5170:        chunked response was encoded incorrectly.
        !          5171: 
        !          5172: 
        !          5173: Changes with nginx 0.3.9                                         10 Nov 2005
        !          5174: 
        !          5175:     *) Bugfix: nginx considered URI as unsafe if two any symbols was between
        !          5176:        two slashes; the bug had appeared in 0.3.8.
        !          5177: 
        !          5178: 
        !          5179: Changes with nginx 0.3.8                                         09 Nov 2005
        !          5180: 
        !          5181:     *) Security: nginx now checks URI got from a backend in
        !          5182:        "X-Accel-Redirect" header line or in SSI file for the "/../" paths
        !          5183:        and zeroes.
        !          5184: 
        !          5185:     *) Change: nginx now does not treat the empty user name in the
        !          5186:        "Authorization" header line as valid one.
        !          5187: 
        !          5188:     *) Feature: the "ssl_session_timeout" directives of the
        !          5189:        ngx_http_ssl_module and ngx_imap_ssl_module.
        !          5190: 
        !          5191:     *) Feature: the "auth_http_header" directive of the
        !          5192:        ngx_imap_auth_http_module.
        !          5193: 
        !          5194:     *) Feature: the "add_header" directive.
        !          5195: 
        !          5196:     *) Feature: the ngx_http_realip_module.
        !          5197: 
        !          5198:     *) Feature: the new variables to use in the "log_format" directive:
        !          5199:        $bytes_sent, $apache_bytes_sent, $status, $time_gmt, $uri,
        !          5200:        $request_time, $request_length, $upstream_status,
        !          5201:        $upstream_response_time, $gzip_ratio, $uid_got, $uid_set,
        !          5202:        $connection, $pipe, and $msec. The parameters in the "%name" form
        !          5203:        will be canceled soon.
        !          5204: 
        !          5205:     *) Change: now the false variable values in the "if" directive are the
        !          5206:        empty string "" and string starting with "0".
        !          5207: 
        !          5208:     *) Bugfix: while using proxied or FastCGI-server nginx may leave
        !          5209:        connections and temporary files with client requests in open state.
        !          5210: 
        !          5211:     *) Bugfix: the worker processes did not flush the buffered logs on
        !          5212:        graceful exit.
        !          5213: 
        !          5214:     *) Bugfix: if the request URI was changes by the "rewrite" directive and
        !          5215:        the request was proxied in location given by regular expression, then
        !          5216:        the incorrect request was transferred to backend; the bug had
        !          5217:        appeared in 0.2.6.
        !          5218: 
        !          5219:     *) Bugfix: the "expires" directive did not remove the previous "Expires"
        !          5220:        header.
        !          5221: 
        !          5222:     *) Bugfix: nginx may stop to accept requests if the "rtsig" method and
        !          5223:        several worker processes were used.
        !          5224: 
        !          5225:     *) Bugfix: the "\"" and "\'" escape symbols were incorrectly handled in
        !          5226:        SSI commands.
        !          5227: 
        !          5228:     *) Bugfix: if the response was ended just after the SSI command and
        !          5229:        gzipping was used, then the response did not transferred complete or
        !          5230:        did not transferred at all.
        !          5231: 
        !          5232: 
        !          5233: Changes with nginx 0.3.7                                         27 Oct 2005
        !          5234: 
        !          5235:     *) Feature: the "access_log" supports the "buffer=" parameter.
        !          5236: 
        !          5237:     *) Bugfix: nginx could not be built on platforms different from i386,
        !          5238:        amd64, sparc, and ppc; the bug had appeared in 0.3.2.
        !          5239: 
        !          5240: 
        !          5241: Changes with nginx 0.3.6                                         24 Oct 2005
        !          5242: 
        !          5243:     *) Change: now the IMAP/POP3 proxy do not send the empty login to
        !          5244:        authorization server.
        !          5245: 
        !          5246:     *) Feature: the "log_format" supports the variables in the $name form.
        !          5247: 
        !          5248:     *) Bugfix: if at least in one server was no the "listen" directive, then
        !          5249:        nginx did not listen on the 80 port; the bug had appeared in 0.3.3.
        !          5250: 
        !          5251:     *) Bugfix: if the URI part is omitted in "proxy_pass" directive, the 80
        !          5252:        port was always used.
        !          5253: 
        !          5254: 
        !          5255: Changes with nginx 0.3.5                                         21 Oct 2005
        !          5256: 
        !          5257:     *) Bugfix: the segmentation fault may occurred if the IMAP/POP3 login
        !          5258:        was changed by authorization server; the bug had appeared in 0.2.2.
        !          5259: 
        !          5260:     *) Bugfix: the accept mutex did not work and all connections were
        !          5261:        handled by one process; the bug had appeared in 0.3.3.
        !          5262: 
        !          5263:     *) Bugfix: the timeout did not work if the "rtsig" method and the
        !          5264:        "timer_resolution" directive were used.
        !          5265: 
        !          5266: 
        !          5267: Changes with nginx 0.3.4                                         19 Oct 2005
        !          5268: 
        !          5269:     *) Bugfix: nginx could not be built on Linux 2.4+ and MacOS X; the bug
        !          5270:        had appeared in 0.3.3.
        !          5271: 
        !          5272: 
        !          5273: Changes with nginx 0.3.3                                         19 Oct 2005
        !          5274: 
        !          5275:     *) Change: the "bl" and "af" parameters of the "listen" directive was
        !          5276:        renamed to the "backlog" and "accept_filter".
        !          5277: 
        !          5278:     *) Feature: the "rcvbuf" and "sndbuf" parameters of the "listen"
        !          5279:        directive.
        !          5280: 
        !          5281:     *) Change: the "$msec" log parameter does not require now the additional
        !          5282:        the gettimeofday() system call.
        !          5283: 
        !          5284:     *) Feature: the -t switch now tests the "listen" directives.
        !          5285: 
        !          5286:     *) Bugfix: if the invalid address was specified in the "listen"
        !          5287:        directive, then after the -HUP signal nginx left an open socket in
        !          5288:        the CLOSED state.
        !          5289: 
        !          5290:     *) Bugfix: the mime type may be incorrectly set to default value for
        !          5291:        index file with variable in the name; the bug had appeared in 0.3.0.
        !          5292: 
        !          5293:     *) Feature: the "timer_resolution" directive.
        !          5294: 
        !          5295:     *) Feature: the millisecond "$upstream_response_time" log parameter.
        !          5296: 
        !          5297:     *) Bugfix: a temporary file with client request body now is removed just
        !          5298:        after the response header was transferred to a client.
        !          5299: 
        !          5300:     *) Bugfix: OpenSSL 0.9.6 compatibility.
        !          5301: 
        !          5302:     *) Bugfix: the SSL certificate and key file paths could not be relative.
        !          5303: 
        !          5304:     *) Bugfix: the "ssl_prefer_server_ciphers" directive did not work in the
        !          5305:        ngx_imap_ssl_module.
        !          5306: 
        !          5307:     *) Bugfix: the "ssl_protocols" directive allowed to specify the single
        !          5308:        protocol only.
        !          5309: 
        !          5310: 
        !          5311: Changes with nginx 0.3.2                                         12 Oct 2005
        !          5312: 
        !          5313:     *) Feature: the Sun Studio 10 C compiler support.
        !          5314: 
        !          5315:     *) Feature: the "proxy_upstream_max_fails",
        !          5316:        "proxy_upstream_fail_timeout", "fastcgi_upstream_max_fails", and
        !          5317:        "fastcgi_upstream_fail_timeout" directives.
        !          5318: 
        !          5319: 
        !          5320: Changes with nginx 0.3.1                                         10 Oct 2005
        !          5321: 
        !          5322:     *) Bugfix: the segmentation fault occurred when the signal queue
        !          5323:        overflowed if the "rtsig" method was used; the bug had appeared in
        !          5324:        0.2.0.
        !          5325: 
        !          5326:     *) Change: correct handling of the "\\", "\"", "\'", and "\$" pairs in
        !          5327:        SSI.
        !          5328: 
        !          5329: 
        !          5330: Changes with nginx 0.3.0                                         07 Oct 2005
        !          5331: 
        !          5332:     *) Change: the 10-days live time limit of worker process was eliminated.
        !          5333:        The limit was introduced because of millisecond timers overflow.
        !          5334: 
        !          5335: 
        !          5336: Changes with nginx 0.2.6                                         05 Oct 2005
        !          5337: 
        !          5338:     *) Change: while using load-balancing the time before the failed backend
        !          5339:        retry was decreased from 60 to 10 seconds.
        !          5340: 
        !          5341:     *) Change: the "proxy_pass_unparsed_uri" was canceled, the original URI
        !          5342:        now passed, if the URI part is omitted in "proxy_pass" directive.
        !          5343: 
        !          5344:     *) Feature: the "error_page" directive supports redirects and allows
        !          5345:        more flexible to change an error code.
        !          5346: 
        !          5347:     *) Change: the charset in the "Content-Type" header line now is ignored
        !          5348:        in proxied subrequests.
        !          5349: 
        !          5350:     *) Bugfix: if the URI was changed in the "if" block and request did not
        !          5351:        found new configuration, then the ngx_http_rewrite_module rules ran
        !          5352:        again.
        !          5353: 
        !          5354:     *) Bugfix: if the "set" directive set the ngx_http_geo_module variable
        !          5355:        in some configuration part, the this variable was not available in
        !          5356:        other configuration parts and the "using uninitialized variable"
        !          5357:        error was occurred; the bug had appeared in 0.2.2.
        !          5358: 
        !          5359: 
        !          5360: Changes with nginx 0.2.5                                         04 Oct 2005
        !          5361: 
        !          5362:     *) Change: the duplicate value of the ngx_http_geo_module variable now
        !          5363:        causes the warning and changes old value.
        !          5364: 
        !          5365:     *) Feature: the ngx_http_ssi_module supports the "set" command.
        !          5366: 
        !          5367:     *) Feature: the ngx_http_ssi_module supports the "file" parameter in the
        !          5368:        "include" command.
        !          5369: 
        !          5370:     *) Feature: the ngx_http_ssi_module supports the variable value
        !          5371:        substitutions in expressions of the "if" command.
        !          5372: 
        !          5373: 
        !          5374: Changes with nginx 0.2.4                                         03 Oct 2005
        !          5375: 
        !          5376:     *) Feature: the ngx_http_ssi_module supports "$var=text", "$var!=text",
        !          5377:        "$var=/text/", and "$var!=/text/" expressions in the "if" command.
        !          5378: 
        !          5379:     *) Bugfix: in proxying location without trailing slash; the bug had
        !          5380:        appeared in 0.1.44.
        !          5381: 
        !          5382:     *) Bugfix: the segmentation fault may occurred if the "rtsig" method was
        !          5383:        used; the bug had appeared in 0.2.0.
        !          5384: 
        !          5385: 
        !          5386: Changes with nginx 0.2.3                                         30 Sep 2005
        !          5387: 
        !          5388:     *) Bugfix: nginx could not be built without the --with-debug option; the
        !          5389:        bug had appeared in 0.2.2.
        !          5390: 
        !          5391: 
        !          5392: Changes with nginx 0.2.2                                         30 Sep 2005
        !          5393: 
        !          5394:     *) Feature: the "config errmsg" command of the ngx_http_ssi_module.
        !          5395: 
        !          5396:     *) Change: the ngx_http_geo_module variables can be overridden by the
        !          5397:        "set" directive.
        !          5398: 
        !          5399:     *) Feature: the "ssl_protocols" and "ssl_prefer_server_ciphers"
        !          5400:        directives of the ngx_http_ssl_module and ngx_imap_ssl_module.
        !          5401: 
        !          5402:     *) Bugfix: the ngx_http_autoindex_module did not show correctly the long
        !          5403:        file names;
        !          5404: 
        !          5405:     *) Bugfix: the ngx_http_autoindex_module now do not show the files
        !          5406:        starting by dot.
        !          5407: 
        !          5408:     *) Bugfix: if the SSL handshake failed then another connection may be
        !          5409:        closed too.
        !          5410:        Thanks to Rob Mueller.
        !          5411: 
        !          5412:     *) Bugfix: the export versions of MSIE 5.x could not connect via HTTPS.
        !          5413: 
        !          5414: 
        !          5415: Changes with nginx 0.2.1                                         23 Sep 2005
        !          5416: 
        !          5417:     *) Bugfix: if all backend using in load-balancing failed after one
        !          5418:        error, then nginx may got caught in an endless loop; the bug had
        !          5419:        appeared in 0.2.0.
        !          5420: 
        !          5421: 
        !          5422: Changes with nginx 0.2.0                                         23 Sep 2005
        !          5423: 
        !          5424:     *) The pid-file names used during online upgrade was changed and now is
        !          5425:        not required a manual rename operation. The old master process adds
        !          5426:        the ".oldbin" suffix to its pid-file and executes a new binary file.
        !          5427:        The new master process creates usual pid-file without the ".newbin"
        !          5428:        suffix. If the master process exits, then old master process renames
        !          5429:        back its pid-file with the ".oldbin" suffix to the pid-file without
        !          5430:        suffix.
        !          5431: 
        !          5432:     *) Change: the "worker_connections" directive, new name of the
        !          5433:        "connections" directive; now the directive specifies maximum number
        !          5434:        of connections, but not maximum socket descriptor number.
        !          5435: 
        !          5436:     *) Feature: SSL supports the session cache inside one worker process.
        !          5437: 
        !          5438:     *) Feature: the "satisfy_any" directive.
        !          5439: 
        !          5440:     *) Change: the ngx_http_access_module and ngx_http_auth_basic_module do
        !          5441:        not run for subrequests.
        !          5442: 
        !          5443:     *) Feature: the "worker_rlimit_nofile" and "worker_rlimit_sigpending"
        !          5444:        directives.
        !          5445: 
        !          5446:     *) Bugfix: if all backend using in load-balancing failed after one
        !          5447:        error, then nginx did not try do connect to them during 60 seconds.
        !          5448: 
        !          5449:     *) Bugfix: in IMAP/POP3 command argument parsing.
        !          5450:        Thanks to Rob Mueller.
        !          5451: 
        !          5452:     *) Bugfix: errors while using SSL in IMAP/POP3 proxy.
        !          5453: 
        !          5454:     *) Bugfix: errors while using SSI and gzipping.
        !          5455: 
        !          5456:     *) Bugfix: the "Expires" and "Cache-Control" header lines were omitted
        !          5457:        from the 304 responses.
        !          5458:        Thanks to Alexandr Kukushkin.
        !          5459: 
        !          5460: 
        !          5461: Changes with nginx 0.1.45                                        08 Sep 2005
        !          5462: 
        !          5463:     *) Change: the "ssl_engine" directive was canceled in the
        !          5464:        ngx_http_ssl_module and now is introduced at global level.
        !          5465: 
        !          5466:     *) Bugfix: the responses with SSI subrequests did not transferred via
        !          5467:        SSL connection.
        !          5468: 
        !          5469:     *) Various bug fixes in the IMAP/POP3 proxy.
        !          5470: 
        !          5471: 
        !          5472: Changes with nginx 0.1.44                                        06 Sep 2005
        !          5473: 
        !          5474:     *) Feature: the IMAP/POP3 proxy supports SSL.
        !          5475: 
        !          5476:     *) Feature: the "proxy_timeout" directive of the ngx_imap_proxy_module.
        !          5477: 
        !          5478:     *) Feature: the "userid_mark" directive.
        !          5479: 
        !          5480:     *) Feature: the $remote_user variable value is determined independently
        !          5481:        of authorization use.
        !          5482: 
        !          5483: 
        !          5484: Changes with nginx 0.1.43                                        30 Aug 2005
        !          5485: 
        !          5486:     *) Feature: the listen(2) backlog in the "listen" directive can be
        !          5487:        changed using the -HUP signal.
        !          5488: 
        !          5489:     *) Feature: the geo2nginx.pl script was added to contrib.
        !          5490: 
        !          5491:     *) Change: the FastCGI parameters with the empty values now are passed
        !          5492:        to a server.
        !          5493: 
        !          5494:     *) Bugfix: the segmentation fault occurred or the worker process may got
        !          5495:        caught in an endless loop if the proxied or FastCGI server sent the
        !          5496:        "Cache-Control" header line and the "expires" directive was used; in
        !          5497:        the proxied mode the bug had appeared in 0.1.29.
        !          5498: 
        !          5499: 
        !          5500: Changes with nginx 0.1.42                                        23 Aug 2005
        !          5501: 
        !          5502:     *) Bugfix: if the request URI had a zero length after the processing in
        !          5503:        the ngx_http_proxy_module, then the segmentation fault or bus error
        !          5504:        occurred in the ngx_http_proxy_module.
        !          5505: 
        !          5506:     *) Bugfix: the "limit_rate" directive did not work inside the "if"
        !          5507:        block; the bug had appeared in 0.1.38.
        !          5508: 
        !          5509: 
        !          5510: Changes with nginx 0.1.41                                        25 Jul 2005
        !          5511: 
        !          5512:     *) Bugfix: if the variable was used in the configuration file, then it
        !          5513:        can not be used in SSI.
        !          5514: 
        !          5515: 
        !          5516: Changes with nginx 0.1.40                                        22 Jul 2005
        !          5517: 
        !          5518:     *) Bugfix: if a client sent too long header line, then the request
        !          5519:        information did not logged in the error log.
        !          5520: 
        !          5521:     *) Bugfix: the "Set-Cookie" header line was not transferred when the
        !          5522:        "X-Accel-Redirect" was used; the bug had appeared in 0.1.39.
        !          5523: 
        !          5524:     *) Bugfix: the "Content-Disposition" header line was not transferred
        !          5525:        when the "X-Accel-Redirect" was used.
        !          5526: 
        !          5527:     *) Bugfix: the master process did not close the listen socket on the
        !          5528:        SIGQUIT signal.
        !          5529: 
        !          5530:     *) Bugfix: after on-line upgrade on Linux and Solaris the process name
        !          5531:        became shorter in the "ps" command.
        !          5532: 
        !          5533: 
        !          5534: Changes with nginx 0.1.39                                        14 Jul 2005
        !          5535: 
        !          5536:     *) The changes in the ngx_http_charset_module: the "default_charset"
        !          5537:        directive was canceled; the "charset" directive sets the response
        !          5538:        charset; the "source_charset" directive sets the source charset only.
        !          5539: 
        !          5540:     *) Bugfix: the backend "WWW-Authenticate" header line did not
        !          5541:        transferred while the 401 response code redirecting.
        !          5542: 
        !          5543:     *) Bugfix: the ngx_http_proxy_module and ngx_http_fastcgi_module may
        !          5544:        close a connection before anything was transferred to a client; the
        !          5545:        bug had appeared in 0.1.38.
        !          5546: 
        !          5547:     *) Workaround: the Linux glibc crypt_r() initialization bug.
        !          5548: 
        !          5549:     *) Bugfix: the ngx_http_ssi_module did not support the relative URI in
        !          5550:        the "include virtual" command.
        !          5551: 
        !          5552:     *) Bugfix: if the backend response had the "Location" header line and
        !          5553:        nginx should not rewrite this line, then the 500 code response body
        !          5554:        was transferred; the bug had appeared in 0.1.29.
        !          5555: 
        !          5556:     *) Bugfix: some directives of the ngx_http_proxy_module and
        !          5557:        ngx_http_fastcgi_module were not inherited from the server to the
        !          5558:        location level; the bug had appeared in 0.1.29.
        !          5559: 
        !          5560:     *) Bugfix: the ngx_http_ssl_module did not support the certificate
        !          5561:        chain.
        !          5562: 
        !          5563:     *) Bugfix: the ngx_http_autoindex_module did not show correctly the long
        !          5564:        file names; the bug had appeared in 0.1.38.
        !          5565: 
        !          5566:     *) Bugfixes in IMAP/POP3 proxy in interaction with a backend at the
        !          5567:        login state.
        !          5568: 
        !          5569: 
        !          5570: Changes with nginx 0.1.38                                        08 Jul 2005
        !          5571: 
        !          5572:     *) Feature: the "limit_rate" directive is supported in proxy and FastCGI
        !          5573:        mode.
        !          5574: 
        !          5575:     *) Feature: the "X-Accel-Limit-Rate" response header line is supported
        !          5576:        in proxy and FastCGI mode.
        !          5577: 
        !          5578:     *) Feature: the "break" directive.
        !          5579: 
        !          5580:     *) Feature: the "log_not_found" directive.
        !          5581: 
        !          5582:     *) Bugfix: the response status code was not changed when request was
        !          5583:        redirected by the ""X-Accel-Redirect" header line.
        !          5584: 
        !          5585:     *) Bugfix: the variables set by the "set" directive could not be used in
        !          5586:        SSI.
        !          5587: 
        !          5588:     *) Bugfix: the segmentation fault may occurred if the SSI page has more
        !          5589:        than one remote subrequest.
        !          5590: 
        !          5591:     *) Bugfix: nginx treated the backend response as invalid if the status
        !          5592:        line in the header was transferred in two packets; the bug had
        !          5593:        appeared in 0.1.29.
        !          5594: 
        !          5595:     *) Feature: the "ssi_types" directive.
        !          5596: 
        !          5597:     *) Feature: the "autoindex_exact_size" directive.
        !          5598: 
        !          5599:     *) Bugfix: the ngx_http_autoindex_module did not support the long file
        !          5600:        names in UTF-8.
        !          5601: 
        !          5602:     *) Feature: the IMAP/POP3 proxy.
        !          5603: 
        !          5604: 
        !          5605: Changes with nginx 0.1.37                                        23 Jun 2005
        !          5606: 
        !          5607:     *) Change: now the "\n" is added to the end of the "nginx.pid" file.
        !          5608: 
        !          5609:     *) Bugfix: the responses may be transferred not completely, if many
        !          5610:        parts or the big parts were included by SSI.
        !          5611: 
        !          5612:     *) Bugfix: if all backends had returned the 404 reponse and the
        !          5613:        "http_404" parameter of the "proxy_next_upstream" or
        !          5614:        "fastcgi_next_upstream" directives was used, then nginx started to
        !          5615:        request all backends again.
        !          5616: 
        !          5617: 
        !          5618: Changes with nginx 0.1.36                                        15 Jun 2005
        !          5619: 
        !          5620:     *) Change: if the request header has duplicate the "Host", "Connection",
        !          5621:        "Content-Length", or "Authorization" lines, then nginx now returns
        !          5622:        the 400 error.
        !          5623: 
        !          5624:     *) Change: the "post_accept_timeout" directive was canceled.
        !          5625: 
        !          5626:     *) Feature: the "default", "af=", "bl=", "deferred", and "bind"
        !          5627:        parameters of the "listen" directive.
        !          5628: 
        !          5629:     *) Feature: the FreeBSD accept filters support.
        !          5630: 
        !          5631:     *) Feature: the Linux TCP_DEFER_ACCEPT support.
        !          5632: 
        !          5633:     *) Bugfix: the ngx_http_autoindex_module did not support the file names
        !          5634:        in UTF-8.
        !          5635: 
        !          5636:     *) Bugfix: the new log file can be rotated by the -USR1 signal only if
        !          5637:        the reconfiguration by the -HUP signal was made twice.
        !          5638: 
        !          5639: 
        !          5640: Changes with nginx 0.1.35                                        07 Jun 2005
        !          5641: 
        !          5642:     *) Feature: the "working_directory" directive.
        !          5643: 
        !          5644:     *) Feature: the "port_in_redirect" directive.
        !          5645: 
        !          5646:     *) Bugfix: the segmentation fault was occurred if the backend response
        !          5647:        header was in several packets; the bug had appeared in 0.1.29.
        !          5648: 
        !          5649:     *) Bugfix: if more than 10 servers were configured or some server did
        !          5650:        not use the "listen" directive, then the segmentation fault was
        !          5651:        occurred on the start.
        !          5652: 
        !          5653:     *) Bugfix: the segmentation fault might occur if the response was bigger
        !          5654:        than the temporary file.
        !          5655: 
        !          5656:     *) Bugfix: nginx returned the 400 response on requests like
        !          5657:        "GET http://www.domain.com/uri HTTP/1.0"; the bug had appeared in
        !          5658:        0.1.28.
        !          5659: 
        !          5660: 
        !          5661: Changes with nginx 0.1.34                                        26 May 2005
        !          5662: 
        !          5663:     *) Bugfix: the worker process may got caught in an endless loop if the
        !          5664:        big response part were include by SSI.
        !          5665: 
        !          5666:     *) Bugfix: the variables set by the "set" directive were not available
        !          5667:        in SSI.
        !          5668: 
        !          5669:     *) Feature: the "autoindex_localtime" directive.
        !          5670: 
        !          5671:     *) Bugfix: the empty value of the "proxy_set_header" directive forbids
        !          5672:        the client request header line passing.
        !          5673: 
        !          5674: 
        !          5675: Changes with nginx 0.1.33                                        23 May 2005
        !          5676: 
        !          5677:     *) Bugfix: nginx could not be built with the --without-pcre parameter;
        !          5678:        the bug had appeared in 0.1.29.
        !          5679: 
        !          5680:     *) Bugfix: 3, 4, 7, and 8 the "proxy_set_header" directives in one level
        !          5681:        cause the bus fault on start up.
        !          5682: 
        !          5683:     *) Bugfix: the HTTP protocol was specified in the HTTPS redirects.
        !          5684: 
        !          5685:     *) Bugfix: if the "rewrite" directive used the captures inside the "if"
        !          5686:        directive, then the 500 error code was returned.
        !          5687: 
        !          5688: 
        !          5689: Changes with nginx 0.1.32                                        19 May 2005
        !          5690: 
        !          5691:     *) Bugfix: the arguments were omitted in the redirects, issued by the
        !          5692:        "rewrite" directive; the bug had appeared in 0.1.29.
        !          5693: 
        !          5694:     *) Feature: the "if" directive supports the captures in regular
        !          5695:        expressions.
        !          5696: 
        !          5697:     *) Feature: the "set" directive supports the variables and the captures
        !          5698:        of regular expressions.
        !          5699: 
        !          5700:     *) Feature: the "X-Accel-Redirect" response header line is supported in
        !          5701:        proxy and FastCGI mode.
        !          5702: 
        !          5703: 
        !          5704: Changes with nginx 0.1.31                                        16 May 2005
        !          5705: 
        !          5706:     *) Bugfix: the response encrypted by SSL may not transferred complete.
        !          5707: 
        !          5708:     *) Bugfix: errors while processing FastCGI response by SSI.
        !          5709: 
        !          5710:     *) Bugfix: errors while using SSI and gzipping.
        !          5711: 
        !          5712:     *) Bugfix: the redirect with the 301 code was transferred without
        !          5713:        response body; the bug had appeared in 0.1.30.
        !          5714: 
        !          5715: 
        !          5716: Changes with nginx 0.1.30                                        14 May 2005
        !          5717: 
        !          5718:     *) Bugfix: the worker process may got caught in an endless loop if the
        !          5719:        SSI was used.
        !          5720: 
        !          5721:     *) Bugfix: the response encrypted by SSL may not transferred complete.
        !          5722: 
        !          5723:     *) Bugfix: if the length of the response part received at once from
        !          5724:        proxied or FastCGI server was equal to 500, then nginx returns the
        !          5725:        500 response code; in proxy mode the bug had appeared in 0.1.29 only.
        !          5726: 
        !          5727:     *) Bugfix: nginx did not consider the directives with 8 or 9 parameters
        !          5728:        as invalid.
        !          5729: 
        !          5730:     *) Feature: the "return" directive can return the 204 response code.
        !          5731: 
        !          5732:     *) Feature: the "ignore_invalid_headers" directive.
        !          5733: 
        !          5734: 
        !          5735: Changes with nginx 0.1.29                                        12 May 2005
        !          5736: 
        !          5737:     *) Feature: the ngx_http_ssi_module supports "include virtual" command.
        !          5738: 
        !          5739:     *) Feature: the ngx_http_ssi_module supports the condition command like
        !          5740:        'if expr="$NAME"' and "else" and "endif" commands. Only one nested
        !          5741:        level is supported.
        !          5742: 
        !          5743:     *) Feature: the ngx_http_ssi_module supports the DATE_LOCAL and DATE_GMT
        !          5744:        variables and "config timefmt" command.
        !          5745: 
        !          5746:     *) Feature: the "ssi_ignore_recycled_buffers" directive.
        !          5747: 
        !          5748:     *) Bugfix: the "echo" command did not show the default value for the
        !          5749:        empty QUERY_STRING variable.
        !          5750: 
        !          5751:     *) Change: the ngx_http_proxy_module was rewritten.
        !          5752: 
        !          5753:     *) Feature: the "proxy_redirect", "proxy_pass_request_headers",
        !          5754:        "proxy_pass_request_body", and "proxy_method" directives.
        !          5755: 
        !          5756:     *) Feature: the "proxy_set_header" directive. The "proxy_x_var" was
        !          5757:        canceled and must be replaced with the proxy_set_header directive.
        !          5758: 
        !          5759:     *) Change: the "proxy_preserve_host" is canceled and must be replaced
        !          5760:        with the "proxy_set_header Host $host" and the "proxy_redirect off"
        !          5761:        directives, the "proxy_set_header Host $host:$proxy_port" directive
        !          5762:        and the appropriate proxy_redirect directives.
        !          5763: 
        !          5764:     *) Change: the "proxy_set_x_real_ip" is canceled and must be replaced
        !          5765:        with the "proxy_set_header X-Real-IP $remote_addr" directive.
        !          5766: 
        !          5767:     *) Change: the "proxy_add_x_forwarded_for" is canceled and must be
        !          5768:        replaced with
        !          5769:        the "proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for"
        !          5770:        directive.
        !          5771: 
        !          5772:     *) Change: the "proxy_set_x_url" is canceled and must be replaced with
        !          5773:        the "proxy_set_header X-URL http://$host:$server_port$request_uri"
        !          5774:        directive.
        !          5775: 
        !          5776:     *) Feature: the "fastcgi_param" directive.
        !          5777: 
        !          5778:     *) Change: the "fastcgi_root", "fastcgi_set_var" and "fastcgi_params"
        !          5779:        directive are canceled and must be replaced with the fastcgi_param
        !          5780:        directives.
        !          5781: 
        !          5782:     *) Feature: the "index" directive can use the variables.
        !          5783: 
        !          5784:     *) Feature: the "index" directive can be used at http and server levels.
        !          5785: 
        !          5786:     *) Change: the last index only in the "index" directive can be absolute.
        !          5787: 
        !          5788:     *) Feature: the "rewrite" directive can use the variables.
        !          5789: 
        !          5790:     *) Feature: the "internal" directive.
        !          5791: 
        !          5792:     *) Feature: the CONTENT_LENGTH, CONTENT_TYPE, REMOTE_PORT, SERVER_ADDR,
        !          5793:        SERVER_PORT, SERVER_PROTOCOL, DOCUMENT_ROOT, SERVER_NAME,
        !          5794:        REQUEST_METHOD, REQUEST_URI, and REMOTE_USER variables.
        !          5795: 
        !          5796:     *) Change: nginx now passes the invalid lines in a client request
        !          5797:        headers or a backend response header.
        !          5798: 
        !          5799:     *) Bugfix: if the backend did not transfer response for a long time and
        !          5800:        the "send_timeout" was less than "proxy_read_timeout", then nginx
        !          5801:        returned the 408 response.
        !          5802: 
        !          5803:     *) Bugfix: the segmentation fault was occurred if the backend sent an
        !          5804:        invalid line in response header; the bug had appeared in 0.1.26.
        !          5805: 
        !          5806:     *) Bugfix: the segmentation fault may occurred in FastCGI fault
        !          5807:        tolerance configuration.
        !          5808: 
        !          5809:     *) Bugfix: the "expires" directive did not remove the previous "Expires"
        !          5810:        and "Cache-Control" headers.
        !          5811: 
        !          5812:     *) Bugfix: nginx did not take into account trailing dot in "Host" header
        !          5813:        line.
        !          5814: 
        !          5815:     *) Bugfix: the ngx_http_auth_module did not work under Linux.
        !          5816: 
        !          5817:     *) Bugfix: the rewrite directive worked incorrectly, if the arguments
        !          5818:        were in a request.
        !          5819: 
        !          5820:     *) Bugfix: nginx could not be built on MacOS X.
        !          5821: 
        !          5822: 
        !          5823: Changes with nginx 0.1.28                                        08 Apr 2005
        !          5824: 
        !          5825:     *) Bugfix: nginx hogs CPU while proxying the huge files.
        !          5826: 
        !          5827:     *) Bugfix: nginx could not be built by gcc 4.0 on Linux.
        !          5828: 
        !          5829: 
        !          5830: Changes with nginx 0.1.27                                        28 Mar 2005
        !          5831: 
        !          5832:     *) Feature: the "blocked" parameter of the "valid_referers" directive.
        !          5833: 
        !          5834:     *) Change: the errors while handling the request header now logged at
        !          5835:        "info" level. The server name and the "Host" and "Referer" header
        !          5836:        lines also logged.
        !          5837: 
        !          5838:     *) Change: the "Host" header line is also logged in error log.
        !          5839: 
        !          5840:     *) Feature: the proxy_pass_unparsed_uri directive. The special handling
        !          5841:        of the "://" symbols in URI, appeared in 0.1.11 version, now is
        !          5842:        canceled.
        !          5843: 
        !          5844:     *) Bugfix: nginx could not be built on FreeBSD and Linux, if the
        !          5845:        --without-ngx_http_auth_basic_module configuration parameter was
        !          5846:        used.
        !          5847: 
        !          5848: 
        !          5849: Changes with nginx 0.1.26                                        22 Mar 2005
        !          5850: 
        !          5851:     *) Change: the invalid client header lines are now ignored and logged at
        !          5852:        the info level.
        !          5853: 
        !          5854:     *) Change: the server name is also logged in error log.
        !          5855: 
        !          5856:     *) Feature: the ngx_http_auth_basic_module module and the auth_basic and
        !          5857:        auth_basic_user_file directives.
        !          5858: 
        !          5859: 
        !          5860: Changes with nginx 0.1.25                                        19 Mar 2005
        !          5861: 
        !          5862:     *) Bugfix: nginx did run on Linux parisc.
        !          5863: 
        !          5864:     *) Feature: nginx now does not start under FreeBSD if the sysctl
        !          5865:        kern.ipc.somaxconn value is too big.
        !          5866: 
        !          5867:     *) Bugfix: if a request was internally redirected by the
        !          5868:        ngx_http_index_module module to the ngx_http_proxy_module or
        !          5869:        ngx_http_fastcgi_module modules, then the index file was not closed
        !          5870:        after request completion.
        !          5871: 
        !          5872:     *) Feature: the "proxy_pass" can be used in location with regular
        !          5873:        expression.
        !          5874: 
        !          5875:     *) Feature: the ngx_http_rewrite_filter_module module supports the
        !          5876:        condition like "if ($HTTP_USER_AGENT ~ MSIE)".
        !          5877: 
        !          5878:     *) Bugfix: nginx started too slow if the large number of addresses and
        !          5879:        text values were used in the "geo" directive.
        !          5880: 
        !          5881:     *) Change: a variable name must be declared as "$name" in the "geo"
        !          5882:        directive. The previous variant without "$" is still supported, but
        !          5883:        will be removed soon.
        !          5884: 
        !          5885:     *) Feature: the "%{VARIABLE}v" logging parameter.
        !          5886: 
        !          5887:     *) Feature: the "set $name value" directive.
        !          5888: 
        !          5889:     *) Bugfix: gcc 4.0 compatibility.
        !          5890: 
        !          5891:     *) Feature: the --with-openssl-opt=OPTIONS autoconfiguration directive.
        !          5892: 
        !          5893: 
        !          5894: Changes with nginx 0.1.24                                        04 Mar 2005
        !          5895: 
        !          5896:     *) Feature: the ngx_http_ssi_filter_module supports the QUERY_STRING and
        !          5897:        DOCUMENT_URI variables.
        !          5898: 
        !          5899:     *) Bugfix: the ngx_http_autoindex_module may some times return the 404
        !          5900:        response for existent directory, if this directory was used in
        !          5901:        "alias" directive.
        !          5902: 
        !          5903:     *) Bugfix: the ngx_http_ssi_filter_module ran incorrectly for large
        !          5904:        responses.
        !          5905: 
        !          5906:     *) Bugfix: the lack of the "Referer" header line was always accounted as
        !          5907:        valid referrer.
        !          5908: 
        !          5909: 
        !          5910: Changes with nginx 0.1.23                                        01 Mar 2005
        !          5911: 
        !          5912:     *) Feature: the ngx_http_ssi_filter_module and the ssi,
        !          5913:        ssi_silent_errors, and ssi_min_file_chunk directives. The 'echo
        !          5914:        var="HTTP_..." default=""' and 'echo var="REMOTE_ADDR"' commands are
        !          5915:        supported.
        !          5916: 
        !          5917:     *) Feature: the %request_time log parameter.
        !          5918: 
        !          5919:     *) Feature: if the request has no the "Host" header line, then the
        !          5920:        "proxy_preserve_host" directive set this header line to the first
        !          5921:        server name of the "server_name" directive.
        !          5922: 
        !          5923:     *) Bugfix: nginx could not be built on platforms different from i386,
        !          5924:        amd64, sparc, and ppc; the bug had appeared in 0.1.22.
        !          5925: 
        !          5926:     *) Bugfix: the ngx_http_autoindex_module now shows the information not
        !          5927:        about the symlink, but about file or directory it points to.
        !          5928: 
        !          5929:     *) Bugfix: the %apache_length parameter logged the negative length of
        !          5930:        the response header if the no response was transferred to a client.
        !          5931: 
        !          5932: 
        !          5933: Changes with nginx 0.1.22                                        22 Feb 2005
        !          5934: 
        !          5935:     *) Bugfix: the ngx_http_stub_status_module showed incorrect handled
        !          5936:        connections statistics if the proxying or FastCGI server were used.
        !          5937: 
        !          5938:     *) Bugfix: the installation paths were incorrectly quoted on Linux and
        !          5939:        Solaris; the bug had appeared in 0.1.21.
        !          5940: 
        !          5941: 
        !          5942: Changes with nginx 0.1.21                                        22 Feb 2005
        !          5943: 
        !          5944:     *) Bugfix: the ngx_http_stub_status_module showed incorrect statistics
        !          5945:        if "rtsig" method was used or if several worker process ran on SMP.
        !          5946: 
        !          5947:     *) Bugfix: nginx could not be built by the icc compiler on Linux or if
        !          5948:        the zlib-1.2.x library was building from sources.
        !          5949: 
        !          5950:     *) Bugfix: nginx could not be built on NetBSD 2.0.
        !          5951: 
        !          5952: 
        !          5953: Changes with nginx 0.1.20                                        17 Feb 2005
        !          5954: 
        !          5955:     *) Feature: the new "script_filename" and "remote_port" parameters of
        !          5956:        the fastcgi_params directive.
        !          5957: 
        !          5958:     *) Bugfix: the FastCGI stderr stream was handled incorrectly.
        !          5959: 
        !          5960: 
        !          5961: Changes with nginx 0.1.19                                        16 Feb 2005
        !          5962: 
        !          5963:     *) Bugfix: now, if request contains the zero, then the 404 error is
        !          5964:        returned for the local requests.
        !          5965: 
        !          5966:     *) Bugfix: nginx could not be built on NetBSD 2.0.
        !          5967: 
        !          5968:     *) Bugfix: the timeout may occur while reading of the client request
        !          5969:        body via SSL connections.
        !          5970: 
        !          5971: 
        !          5972: Changes with nginx 0.1.18                                        09 Feb 2005
        !          5973: 
        !          5974:     *) Workaround: the default values of the devpoll_events and the
        !          5975:        devpoll_changes directives changed from 512 to 32 to be compatible
        !          5976:        with Solaris 10.
        !          5977: 
        !          5978:     *) Bugfix: the proxy_set_x_var and fastcgi_set_var directives were not
        !          5979:        inherited.
        !          5980: 
        !          5981:     *) Bugfix: in a redirect rewrite directive arguments were concatenated
        !          5982:        with URI by an "&" rather than a "?".
        !          5983: 
        !          5984:     *) Bugfix: the lines without trailing ";" in the file being included by
        !          5985:        the ngx_http_geo_module were silently ignored.
        !          5986: 
        !          5987:     *) Feature: the ngx_http_stub_status_module.
        !          5988: 
        !          5989:     *) Bugfix: the unknown log format in the access_log directive caused the
        !          5990:        segmentation fault.
        !          5991: 
        !          5992:     *) Feature: the new "document_root" parameter of the fastcgi_params
        !          5993:        directive.
        !          5994: 
        !          5995:     *) Feature: the fastcgi_redirect_errors directive.
        !          5996: 
        !          5997:     *) Feature: the new "break" modifier of the "rewrite" directive allows
        !          5998:        to stop the rewrite/location cycle and sets the current configuration
        !          5999:        to the request.
        !          6000: 
        !          6001: 
        !          6002: Changes with nginx 0.1.17                                        03 Feb 2005
        !          6003: 
        !          6004:     *) Change: the ngx_http_rewrite_module was rewritten from the scratch.
        !          6005:        Now it is possible to redirect, to return the error codes, to check
        !          6006:        the variables and referrers. The directives can be used inside
        !          6007:        locations. The redirect directive was canceled.
        !          6008: 
        !          6009:     *) Feature: the ngx_http_geo_module.
        !          6010: 
        !          6011:     *) Feature: the proxy_set_x_var and fastcgi_set_var directives.
        !          6012: 
        !          6013:     *) Bugfix: the location configuration with "=" modifier may be used in
        !          6014:        another location.
        !          6015: 
        !          6016:     *) Bugfix: the correct content type was set only for requests that use
        !          6017:        small caps letters in extension.
        !          6018: 
        !          6019:     *) Bugfix: if the proxy_pass or fastcgi_pass directives were set in the
        !          6020:        location, and access was denied, and the error was redirected to a
        !          6021:        static page, then the segmentation fault occurred.
        !          6022: 
        !          6023:     *) Bugfix: if in a proxied "Location" header was a relative URL, then a
        !          6024:        host name and a slash were added to them; the bug had appeared in
        !          6025:        0.1.14.
        !          6026: 
        !          6027:     *) Bugfix: the system error message was not logged on Linux.
        !          6028: 
        !          6029: 
        !          6030: Changes with nginx 0.1.16                                        25 Jan 2005
        !          6031: 
        !          6032:     *) Bugfix: if the response were transferred by chunks, then on the HEAD
        !          6033:        request the final chunk was issued.
        !          6034: 
        !          6035:     *) Bugfix: the "Connection: keep-alive" header were issued, even if the
        !          6036:        keepalive_timeout directive forbade the keep-alive use.
        !          6037: 
        !          6038:     *) Bugfix: the errors in the ngx_http_fastcgi_module caused the
        !          6039:        segmentation faults.
        !          6040: 
        !          6041:     *) Bugfix: the compressed response encrypted by SSL may not transferred
        !          6042:        complete.
        !          6043: 
        !          6044:     *) Bugfix: the TCP-specific TCP_NODELAY, TCP_NOPSUH, and TCP_CORK
        !          6045:        options, are not used for the unix domain sockets.
        !          6046: 
        !          6047:     *) Feature: the rewrite directive supports the arguments rewriting.
        !          6048: 
        !          6049:     *) Bugfix: the response code 400 was returned for the POST request with
        !          6050:        the "Content-Length: 0" header; the bug had appeared in 0.1.14.
        !          6051: 
        !          6052: 
        !          6053: Changes with nginx 0.1.15                                        19 Jan 2005
        !          6054: 
        !          6055:     *) Bugfix: the error while the connecting to the FastCGI server caused
        !          6056:        segmentation fault.
        !          6057: 
        !          6058:     *) Bugfix: the correct handling of the regular expression, that has
        !          6059:        different number of the captures and substitutions.
        !          6060: 
        !          6061:     *) Feature: the location, that is passed to the FastCGI server, can be
        !          6062:        regular expression.
        !          6063: 
        !          6064:     *) Bugfix: the FastCGI's parameter REQUEST_URI is now passed with the
        !          6065:        arguments and in the original state.
        !          6066: 
        !          6067:     *) Bugfix: the ngx_http_rewrite_module module was required to be built
        !          6068:        to use the regular expressions in locations.
        !          6069: 
        !          6070:     *) Bugfix: the directive "proxy_preserve_host on" adds port 80 to the
        !          6071:        "Host" headers, if upstream listen on port 80; the bug had appeared
        !          6072:        in 0.1.14.
        !          6073: 
        !          6074:     *) Bugfix: the same paths in autoconfiguration parameters
        !          6075:        --http-client-body-temp-path=PATH and --http-proxy-temp-path=PATH, or
        !          6076:        --http-client-body-temp-path=PATH and --http-fastcgi-temp-path=PATH
        !          6077:        caused segmentation fault.
        !          6078: 
        !          6079: 
        !          6080: Changes with nginx 0.1.14                                        18 Jan 2005
        !          6081: 
        !          6082:     *) Feature: the autoconfiguration directives:
        !          6083:        --http-client-body-temp-path=PATH, --http-proxy-temp-path=PATH, and
        !          6084:        --http-fastcgi-temp-path=PATH
        !          6085: 
        !          6086:     *) Change: the directory name for the temporary files with the client
        !          6087:        request body is specified by directive client_body_temp_path, by
        !          6088:        default it is <prefix>/client_body_temp.
        !          6089: 
        !          6090:     *) Feature: the ngx_http_fastcgi_module and the directives:
        !          6091:        fastcgi_pass, fastcgi_root, fastcgi_index, fastcgi_params,
        !          6092:        fastcgi_connect_timeout, fastcgi_send_timeout, fastcgi_read_timeout,
        !          6093:        fastcgi_send_lowat, fastcgi_header_buffer_size, fastcgi_buffers,
        !          6094:        fastcgi_busy_buffers_size, fastcgi_temp_path,
        !          6095:        fastcgi_max_temp_file_size, fastcgi_temp_file_write_size,
        !          6096:        fastcgi_next_upstream, and fastcgi_x_powered_by.
        !          6097: 
        !          6098:     *) Bugfix: the "[alert] zero size buf" error; the bug had appeared in
        !          6099:        0.1.3.
        !          6100: 
        !          6101:     *) Change: the URI must be specified after the host name in the
        !          6102:        proxy_pass directive.
        !          6103: 
        !          6104:     *) Change: the %3F symbol in the URI was considered as the argument
        !          6105:        string start.
        !          6106: 
        !          6107:     *) Feature: the unix domain sockets support in the
        !          6108:        ngx_http_proxy_module.
        !          6109: 
        !          6110:     *) Feature: the ssl_engine and ssl_ciphers directives.
        !          6111:        Thanks to Sergey Skvortsov for SSL-accelerator.
        !          6112: 
        !          6113: 
        !          6114: Changes with nginx 0.1.13                                        21 Dec 2004
        !          6115: 
        !          6116:     *) Feature: the server_names_hash and server_names_hash_threshold
        !          6117:        directives.
        !          6118: 
        !          6119:     *) Bugfix: the *.domain.tld names in the "server_name" directive did not
        !          6120:        work.
        !          6121: 
        !          6122:     *) Bugfix: the %request_length log parameter logged the incorrect
        !          6123:        length.
        !          6124: 
        !          6125: 
        !          6126: Changes with nginx 0.1.12                                        06 Dec 2004
        !          6127: 
        !          6128:     *) Feature: the %request_length log parameter.
        !          6129: 
        !          6130:     *) Bugfix: when using the /dev/poll, select and poll on the platforms,
        !          6131:        where these methods may do the false reports, there may be the long
        !          6132:        delay when the request was passed via the keep-alive connection. It
        !          6133:        may be at least on Solaris when using the /dev/poll.
        !          6134: 
        !          6135:     *) Bugfix: the send_lowat directive is ignored on Linux because Linux
        !          6136:        does not support the SO_SNDLOWAT option.
        !          6137: 
        !          6138: 
        !          6139: Changes with nginx 0.1.11                                        02 Dec 2004
        !          6140: 
        !          6141:     *) Feature: the worker_priority directive.
        !          6142: 
        !          6143:     *) Change: both tcp_nopush and tcp_nodelay directives affect the
        !          6144:        transferred response.
        !          6145: 
        !          6146:     *) Bugfix: nginx did not call initgroups().
        !          6147:        Thanks to Andrew Sitnikov and Andrei Nigmatulin.
        !          6148: 
        !          6149:     *) Change: now the ngx_http_autoindex_module shows the file size in the
        !          6150:        bytes.
        !          6151: 
        !          6152:     *) Bugfix: the ngx_http_autoindex_module returned the 500 error if the
        !          6153:        broken symlink was in a directory.
        !          6154: 
        !          6155:     *) Bugfix: the files bigger than 4G could not be transferred using
        !          6156:        sendfile.
        !          6157: 
        !          6158:     *) Bugfix: if the backend was resolved to several backends and there was
        !          6159:        an error while the response waiting then process may got caught in an
        !          6160:        endless loop.
        !          6161: 
        !          6162:     *) Bugfix: the worker process may exit with the "unknown cycle" message
        !          6163:        when the /dev/poll method was used.
        !          6164: 
        !          6165:     *) Bugfix: "close() channel failed" errors.
        !          6166: 
        !          6167:     *) Bugfix: the autodetection of the "nobody" and "nogroup" groups.
        !          6168: 
        !          6169:     *) Bugfix: the send_lowat directive did not work on Linux.
        !          6170: 
        !          6171:     *) Bugfix: the segmentation fault occurred if there was no events
        !          6172:        section in configuration.
        !          6173: 
        !          6174:     *) Bugfix: nginx could not be built on OpenBSD.
        !          6175: 
        !          6176:     *) Bugfix: the double slashes in "://" in the URI were converted to
        !          6177:        ":/".
        !          6178: 
        !          6179: 
        !          6180: Changes with nginx 0.1.10                                        26 Nov 2004
        !          6181: 
        !          6182:     *) Bugfix: if the request without arguments contains "//", "/./", "/../"
        !          6183:        or "%XX" then the last character in the request line was lost; the
        !          6184:        bug had appeared in 0.1.9.
        !          6185: 
        !          6186:     *) Bugfix: the fix in 0.1.9 for the files bigger than 2G on Linux did
        !          6187:        not work.
        !          6188: 
        !          6189: 
        !          6190: Changes with nginx 0.1.9                                         25 Nov 2004
        !          6191: 
        !          6192:     *) Bugfix: the proxied request was sent without arguments if the request
        !          6193:        contains "//", "/./", "/../" or "%XX".
        !          6194: 
        !          6195:     *) Bugfix: the large compressed responses may be transferred not
        !          6196:        completely.
        !          6197: 
        !          6198:     *) Bugfix: the files bigger than 2G was not transferred on Linux that
        !          6199:        does not support sendfile64().
        !          6200: 
        !          6201:     *) Bugfix: while the build configuration on Linux the --with-poll_module
        !          6202:        parameter was required; the bug had appeared in 0.1.8.
        !          6203: 
        !          6204: 
        !          6205: Changes with nginx 0.1.8                                         20 Nov 2004
        !          6206: 
        !          6207:     *) Bugfix: in the ngx_http_autoindex_module if the long file names were
        !          6208:        in the listing.
        !          6209: 
        !          6210:     *) Feature: the "^~" modifier in the location directive.
        !          6211: 
        !          6212:     *) Feature: the proxy_max_temp_file_size directive.
        !          6213: 
        !          6214: 
        !          6215: Changes with nginx 0.1.7                                         12 Nov 2004
        !          6216: 
        !          6217:     *) Bugfix: on FreeBSD the segmentation fault may occur if the size of
        !          6218:        the transferred file was changed; the bug had appeared in 0.1.5.
        !          6219: 
        !          6220: 
        !          6221: Changes with nginx 0.1.6                                         11 Nov 2004
        !          6222: 
        !          6223:     *) Bugfix: some location directive combinations with the regular
        !          6224:        expressions caused the wrong configuration choose.
        !          6225: 
        !          6226: 
        !          6227: Changes with nginx 0.1.5                                         11 Nov 2004
        !          6228: 
        !          6229:     *) Bugfix: on Solaris and Linux there may be too many "recvmsg()
        !          6230:        returned not enough data" alerts.
        !          6231: 
        !          6232:     *) Bugfix: there were the "writev() failed (22: Invalid argument)"
        !          6233:        errors on Solaris in proxy mode without sendfile. On other platforms
        !          6234:        that do not support sendfile at all the process got caught in an
        !          6235:        endless loop.
        !          6236: 
        !          6237:     *) Bugfix: segmentation fault on Solaris in proxy mode and using
        !          6238:        sendfile.
        !          6239: 
        !          6240:     *) Bugfix: segmentation fault on Solaris.
        !          6241: 
        !          6242:     *) Bugfix: on-line upgrade did not work on Linux.
        !          6243: 
        !          6244:     *) Bugfix: the ngx_http_autoindex_module module did not escape the
        !          6245:        spaces, the quotes, and the percent signs in the directory listing.
        !          6246: 
        !          6247:     *) Change: the decrease of the copy operations.
        !          6248: 
        !          6249:     *) Feature: the userid_p3p directive.
        !          6250: 
        !          6251: 
        !          6252: Changes with nginx 0.1.4                                         26 Oct 2004
        !          6253: 
        !          6254:     *) Bugfix: in the ngx_http_autoindex_module.
        !          6255: 
        !          6256: 
        !          6257: Changes with nginx 0.1.3                                         25 Oct 2004
        !          6258: 
        !          6259:     *) Feature: the ngx_http_autoindex_module and the autoindex directive.
        !          6260: 
        !          6261:     *) Feature: the proxy_set_x_url directive.
        !          6262: 
        !          6263:     *) Bugfix: proxy module may get caught in an endless loop when sendfile
        !          6264:        is not used.
        !          6265: 
        !          6266: 
        !          6267: Changes with nginx 0.1.2                                         21 Oct 2004
        !          6268: 
        !          6269:     *) Feature: the --user=USER, --group=GROUP, and --with-ld-opt=OPTIONS
        !          6270:        options in configure.
        !          6271: 
        !          6272:     *) Feature: the server_name directive supports *.domain.tld.
        !          6273: 
        !          6274:     *) Bugfix: the portability improvements.
        !          6275: 
        !          6276:     *) Bugfix: if configuration file was set in command line, the
        !          6277:        reconfiguration was impossible; the bug had appeared in 0.1.1.
        !          6278: 
        !          6279:     *) Bugfix: proxy module may get caught in an endless loop when sendfile
        !          6280:        is not used.
        !          6281: 
        !          6282:     *) Bugfix: with sendfile the response was not recoded according to the
        !          6283:        charset module directives; the bug had appeared in 0.1.1.
        !          6284: 
        !          6285:     *) Bugfix: very seldom bug in the kqueue processing.
        !          6286: 
        !          6287:     *) Bugfix: the gzip module compressed the proxied responses that was
        !          6288:        already compressed.
        !          6289: 
        !          6290: 
        !          6291: Changes with nginx 0.1.1                                         11 Oct 2004
        !          6292: 
        !          6293:     *) Feature: the gzip_types directive.
        !          6294: 
        !          6295:     *) Feature: the tcp_nodelay directive.
        !          6296: 
        !          6297:     *) Feature: the send_lowat directive is working not only on OSes that
        !          6298:        support kqueue NOTE_LOWAT, but also on OSes that support SO_SNDLOWAT.
        !          6299: 
        !          6300:     *) Feature: the setproctitle() emulation for Linux and Solaris.
        !          6301: 
        !          6302:     *) Bugfix: the "Location" header rewrite bug fixed while the proxying.
        !          6303: 
        !          6304:     *) Bugfix: the ngx_http_chunked_module module may get caught in an
        !          6305:        endless loop.
        !          6306: 
        !          6307:     *) Bugfix: the /dev/poll module bugs fixed.
        !          6308: 
        !          6309:     *) Bugfix: the responses were corrupted when the temporary files were
        !          6310:        used while the proxying.
        !          6311: 
        !          6312:     *) Bugfix: the unescaped requests were passed to the backend.
        !          6313: 
        !          6314:     *) Bugfix: while the build configuration on Linux 2.4 the
        !          6315:        --with-poll_module parameter was required.
        !          6316: 
        !          6317: 
        !          6318: Changes with nginx 0.1.0                                         04 Oct 2004
        !          6319: 
        !          6320:     *) The first public version.
        !          6321: 

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