Annotation of embedaddon/php/ext/mbstring/oniguruma/HISTORY, revision 1.1.1.3

1.1       misho       1: History
                      2: 
                      3: 2007/08/16: Version 4.7.1
                      4: 
                      5: 2007/08/16: [test] success in ruby 1.9.0 (2007-04-06) [i686-linux].
                      6: 2007/07/04: [spec] (thanks K.Takata)
                      7:                    ONIG_OPTION_SINGLELINE: '$' -> '\Z'  (as Perl)
                      8: 2007/07/04: [dist] (thanks K.Takata)
                      9:                    fix documents API and API.ja.
                     10: 
                     11: 2007/06/18: Version 4.7.0
                     12: 
                     13: 2007/06/18: [test] success in ruby 1.9.0 (2007-04-06) [i686-linux].
                     14: 2007/06/18: [bug]  (thanks KUBO Takehiro)
                     15:                    WORD_ALIGNMENT_SIZE must be sizeof(OnigCodePoint).
                     16: 2007/06/05: [impl] add #ifndef vsnprintf in regint.h.
                     17: 2007/06/05: [bug]  should check USE_CRNL_AS_LINE_TERMINATOR case
                     18:                    in onig_search().
                     19: 
                     20: 2007/04/12: Version 4.6.2
                     21: 
                     22: 2007/04/09: [impl] change STATE_CHECK_BUFF_MAX_SIZE value from 0x8000
                     23:                    to 0x4000.
                     24: 2007/03/26: [impl] add 'void' to function declarations.
                     25: 
                     26: 2007/03/06: Version 4.6.1
                     27: 
                     28: 2007/03/06: [test] success in ruby 1.9.0 (2006-10-23) [i686-linux].
                     29: 2007/03/06: [bug]  add #include <malloc.h> for bcc32.
                     30:                    (In bcc32, alloca() is declared in malloc.h.)
                     31: 2007/03/06: [impl] remove including version.h of Ruby.
                     32: 2007/03/02: [bug]  invalid optimization for semi-end-buf in onig_search().
                     33:                    ex. /\n\Z/.match("aaaaaaaaaa\n")
                     34: 2007/03/02: [impl] move range > start check position in end_buf process.
                     35: 
                     36: 2007/02/08: Version 4.6.0
                     37: 
                     38: 2007/02/08: [test] success in ruby 1.9.0 (2006-10-23) [i686-linux].
                     39: 2007/01/09: [tune] select_opt_exact_info() didn't work for empty info.
                     40:                    ex. /.a/ make MAP info instead of EXACT info.
                     41: 2006/12/29: [impl] add print_enc_string() for ONIG_DEBUG mode.
                     42: 2006/12/22: [spec] should check too short multibyte char in parse_exp().
                     43:                    add USE_PAD_TO_SHORT_BYTE_CHAR.
                     44:                    ex. /\x00/ in UTF16 should be error.
                     45: 
                     46: 2006/11/17: Version 4.5.1
                     47: 
                     48: 2006/11/17: [test] success in ruby 1.9.0 (2006-10-23) [i686-linux].
                     49: 2006/11/15: [impl] remove CHECK_INTERRUPT.
                     50: 2006/11/10: [bug]  0x24, 0x2b, 0x3c, 0x3d, 0x3e, 0x5e, 0x60, 0x7c, 0x7e
                     51:                    should be [:punct:].
                     52: 2006/11/08: [impl] rename QUALIFIER -> QUANTIFIER.
                     53: 2006/11/07: [bug]  (thanks Byte)
                     54:                    add 0xa3 <=> 0xb3 to CaseFoldMap[] for KOI8-R.
                     55: 
                     56: 2006/11/06: Version 4.5.0
                     57: 
                     58: 2006/11/06: [test] success in ruby 1.9.0 (2006-10-23) [i686-linux].
                     59: 2006/11/06: [API]  remove ONIGENC_AMBIGUOUS_MATCH_COMPOUND.
                     60: 2006/11/06: [spec] change ONIG_OPTION_FIND_LONGEST to search all of 
                     61:                    the string range.
                     62:                    add USE_FIND_LONGEST_SEARCH_ALL_OF_RANGE.
                     63: 
                     64: 2006/10/30: Version 4.4.6
                     65: 
                     66: 2006/10/30: [test] success in ruby 1.9.0 (2006-10-23) [i686-linux].
                     67: 2006/10/30: [impl] (thanks K.Takata)
                     68:                    add THREAD_SYSTEM_INIT and THREAD_SYSTEM_END.
                     69: 2006/10/30: [bug]  (thanks Wolfgang Nadasi-Donner)
                     70:                    invalid offset value was used in STATE_CHECK_BUFF_INIT().
                     71: 
                     72: 2006/10/24: Version 4.4.5
                     73: 
                     74: 2006/10/24: [test] success in ruby 1.9.0 (2006-10-23) [i686-linux].
                     75: 2006/10/24: [impl] escape -Wall warning.
                     76: 2006/10/24: [tune] (thanks Kornelius Kalnbach)
                     77:                    String#scan for long string needs long time compare with
                     78:                    old Ruby
                     79:                    by initialization time for combination explosion check
                     80:                    ex. ("test " * 100_000).scan(/\w*\s?/)
                     81:                    change STATE_CHECK_BUFF_MAX_SIZE from 0x8000000 to 0x8000.
                     82:                    reduce initialization area of state_check_buff.
                     83: 2006/10/16: [bug]  (thanks Akinori Musha)
                     84:                    first argument of rb_warn() should be format string.
                     85: 2006/10/10: [impl] add msa.state_check_buff_size initialization
                     86:                    in onig_search().
                     87: 2006/10/10: [bug]  should call onig_st_free_table() in
                     88:                    onig_free_shared_cclass_table().
                     89: 2006/10/10: [impl] remove OP_WORD_SB and OP_WORD_MB.
                     90: 2006/09/29: [impl] initialize state_check_buff_size in STATE_CHECK_BUFF_INIT().
                     91:                    make valgrind happy.
                     92: 2006/09/22: [impl] convert to ascii for parameter string in
                     93:                    onig_error_code_to_str().
                     94:                    add enc member into OnigErrorInfo.
                     95: 
                     96: 2006/09/19: Version 4.4.4
                     97: 
                     98: 2006/09/19: [test] success in ruby 1.9.0 (2006-08-22) [i686-linux].
                     99: 2006/09/19: [impl] (thanks KOYAMA Tetsuji)
                    100:                    HAVE_STDARG_PROTOTYPES was not defined in Mac OS X
                    101:                    by Xcode 2.4(gcc 4.0.1) problem. [php-dev 1312] etc...
                    102: 
                    103: 2006/09/15: Version 4.4.3
                    104: 
                    105: 2006/09/15: [test] success in ruby 1.9.0 (2006-08-22) [i686-linux].
                    106: 2006/09/15: [bug]  (thanks Allan Odgaard)
                    107:                    out of range access in bm_search_notrev().
                    108:                    (p < s)
                    109: 
                    110: 2006/09/08: Version 4.4.2
                    111: 
                    112: 2006/09/08: [test] success in ruby 1.9.0 (2006-08-22) [i686-linux].
                    113: 2006/09/08: [bug]  (thanks K.Takata)
                    114:                    out of range access in bm_search_notrev().
                    115: 2006/09/04: [spec] (thanks K.Takata)
                    116:                    allow look-behind in negative look-behind.
                    117:                    ex. /(?<!(?<=a)b|c)d/
                    118: 
                    119: 2006/08/29: Version 4.4.1
                    120: 
                    121: 2006/08/29: [test] success in ruby 1.9.0 (2006-08-22) [i686-linux].
                    122: 2006/08/29: [dist] (thanks Seiji Masugata)
                    123:                     add configure option --enable-combination-explosion-check
                    124: 
                    125: 2006/08/25: Version 4.4.0
                    126: 
                    127: 2006/08/25: [test] success in ruby 1.9.0 (2006-08-22) [i686-linux].
                    128: 2006/08/25: [impl] add_state_check_num() should be enclosed in
                    129:                    ifdef USE_COMBINATION_EXPLOSION_CHECK.
                    130: 2006/08/23: [spec] config USE_COMBINATION_EXPLOSION_CHECK is enabled
                    131:                    in Ruby mode only.
                    132: 2006/08/22: [impl] remove last line comma in enum OpCode.
                    133: 2006/08/22: [impl] remove OP_STATE_CHECK_ANYCHAR_STAR_PEEK_NEXT and
                    134:                    OP_STATE_CHECK_ANYCHAR_ML_STAR_PEEK_NEXT.
                    135: 2006/08/22: [impl] remove OP_BACKREF3.
                    136: 
                    137: 2006/08/21: Version 4.3.1
                    138: 
                    139: 2006/08/21: [test] success in ruby 1.9.0 (2006-07-28) [i686-linux].
                    140: 2006/08/21: [impl] change stack type values
                    141:                    and re-define STK_MASK_TO_VOID_TARGET etc...
                    142: 2006/08/21: [impl] set repeat_range[].upper to 0x7fffffff as infinite.
                    143: 2006/08/21: [impl] add STATE_CHECK_BUFF_MALLOC_THRESHOLD_SIZE.
                    144: 2006/08/21: [impl] reduce (?:a*){n,m}, (?:a+){n,m} => (?:a*){n,n}, (?:a+){n,n}
                    145: 2006/09/21: [impl] reduce (a*){n,m}, (a+){n,m} => (a*){n,n}, (a+){n,n}
                    146:                    if backreference is not used.
                    147: 2006/08/17: [bug]  should check scan_env.num_call > 0 for backrefed pattern
                    148:                    in combination explosion check.
                    149: 
                    150: 2006/08/17: Version 4.3.0
                    151: 
                    152: 2006/08/17: [test] success in ruby 1.9.0 (2006-07-28) [i686-linux].
                    153: 2006/08/17: [new]  add config USE_COMBINATION_EXPLOSION_CHECK.
                    154:                    check /(.+)*/, /(\s*foo\s*)*/ etc...
                    155:             [API]  add num_comb_exp_check member in regex_t.
                    156:             [dist] change LTVERSION value to "1:0:0" in configure.in.
                    157: 2006/08/15: [bug]  OP_REPEAT_INC process in match_at().
                    158:                    should check repeat-count >= range-upper and
                    159:                    range-upper may be infinite.
                    160: 
                    161: 2006/08/11: Version 4.2.3
                    162: 
                    163: 2006/08/11: [test] success in ruby 1.9.0 (2006-07-28) [i686-linux].
                    164: 2006/08/10: [impl] remove double call in set_qualifier().
                    165: 2006/08/10: [impl] remove by_number member in QualifierNode.
                    166: 2006/08/09: [impl] remove a comma at the end of enum ReduceType
                    167:                    for escape warning on Mac OS X.
                    168: 2006/08/07: [impl] remove warning in regcomp.c.
                    169: 2006/08/07: [spec] move definition of USE_BACKREF_AT_LEVEL into NOT_RUBY.
                    170: 
                    171: 2006/08/03: Version 4.2.2
                    172: 
                    173: 2006/08/03: [test] success in ruby 1.9.0 (2006-07-28) [i686-linux].
                    174: 2006/08/03: [bug]  (thanks Hiroyuki Yamamoto)
                    175:                    segmentation fault in regexec(). (POSIX API)
                    176: 2006/08/02: [bug]  combination of \G in look-ahead/look-behind and other
                    177:                    anchors(\A, \z, \Z) cause invalid result.
                    178:                    ex. /(?!\G)a\z/.match("ba")
                    179:                    start arg. of MATCH_ARG_INIT() should be original
                    180:                    arg. of onig_search().
                    181: 
                    182: 2006/07/31: Version 4.2.1
                    183: 
                    184: 2006/07/31: [test] success in ruby 1.9.0 (2006-07-28) [i686-linux].
                    185: 2006/07/31: [bug] (thanks Kimura Minoru)
                    186:                    re-implement bm_search_notrev().
                    187: 2006/07/31: [impl] bm_search_notrev() refactoring.
                    188: 2006/07/31: [bug]  (thanks Kimura Minoru)
                    189:                    fix incomplete multibyte string in exact info.
                    190: 2006/07/31: [impl] (thanks Seiji Masugata)
                    191:                    remove cast in va_init_list() for Intel C Compiler.
                    192: 
                    193: 2006/07/18: Version 4.2.0
                    194: 
                    195: 2006/07/18: [test] success in ruby 1.9.0 (2006-03-01) [i686-linux].
                    196: 2006/07/18: [new]  (thanks Wolfgang Nadasi-Donner)
                    197:                    add back reference with nest level.
                    198:                    \k<name+n>, \k<name-n>
                    199: 2006/07/11: [impl] change long to unsigned long for ONIG_OPTION_XXX
                    200:                    and ONIG_SYN_XXX number literals.
                    201: 
                    202: 2006/07/03: Version 4.1.2
                    203: 
                    204: 2006/07/03: [test] success in ruby 1.9.0 (2006-03-01) [i686-linux].
                    205: 2006/07/03: [spec] (thanks Wolfgang Nadasi-Donner)
                    206:                    allow \G in look-behind.
                    207:                    add ANCHOR_BEGIN_POSITION flag in setup_tree().
                    208: 2006/06/12: [impl] (thanks matz)
                    209:                     fix cast from char* to const char*
                    210:                     in onig_snprintf_with_pattern().
                    211:                     fix cast from char* to const char*
                    212:                     for PopularQStr[] and ReduceQStr[].
                    213: 
                    214: 2006/05/22: Version 4.1.1
                    215: 
                    216: 2006/05/22: [test] success in ruby 1.9.0 (2006-03-01) [i686-linux].
                    217: 2006/05/22: [impl] add position string argument to STACK_BASE_CHECK().
                    218: 2006/05/22: [bug]  (thanks NARUSE, Yui)
                    219:                    add STK_NULL_CHECK_END to IS_TO_VOID_TARGET().
                    220:                    ex. core dump in
                    221:                    /(?<pare>\(([^\(\)]++|\g<pare>)*+\))/.match('((a))')
                    222: 
                    223: 2006/05/15: Version 4.1.0
                    224: 
                    225: 2006/05/15: [test] success in ruby 1.9.0 (2006-03-01) [i686-linux].
                    226: 2006/05/15: [impl] thread atomic changes for onig_end() and
                    227:                    onig_free_node_list().
                    228: 2006/05/15: [test] success in ruby 1.9.0 (2006-03-01) [i686-linux].
                    229: 2005/05/15: [dist] update API, API.ja, FAQ, FAQ.ja.
                    230: 2006/05/15: [spec] remove onig_recompile(), onig_recompile_deluxe()
                    231:                    and re_recompile_pattern().
                    232:                    add config USE_RECOMPILE_API.
                    233: 2006/05/15: [impl] improved thread safe implementation of onig_search()
                    234:                    and onig_match().
                    235: 
                    236: 2006/05/11: Version 4.0.4
                    237: 
                    238: 2006/05/11: [test] success in ruby 1.9.0 (2006-03-01) [i686-linux].
                    239: 2006/05/11: [bug]  (thanks Yuji Kaneda)
                    240:                    dead-lock in onig_end().              
                    241: 2006/05/11: [dist] update index.html.
                    242: 
                    243: 2006/05/08: Version 4.0.3
                    244: 
                    245: 2006/05/08: [test] success in ruby 1.9.0 (2006-03-01) [i686-linux].
                    246: 2006/05/08: [bug]  (thanks Allan Odgaard)
                    247:                    Segmentation fault in backward search.
                    248:                    ex. /^\t.*$/
                    249: 2006/04/18: [dist] update index.html.
                    250: 2006/04/05: [dist] update index.html.
                    251: 2006/03/24: [dist] update doc/RE, doc/RE.ja.
                    252: 
                    253: 2006/03/23: Version 4.0.2
                    254: 
                    255: 2006/03/22: [test] success in ruby 1.9.0 (2006-03-01) [i686-linux].
                    256: 2006/03/22: [impl] add both of ONIG_OPTION_DONT_CAPTURE_GROUP
                    257:                    and ONIG_OPTION_CAPTURE_GROUP check.
                    258: 2006/03/22: [spec] add error code ONIGERR_INVALID_COMBINATION_OF_OPTIONS.
                    259: 2006/03/22: [impl] remove USE_NAMED_GROUP condition from
                    260:                    ONIG_OPTION_DONT_CAPTURE_GROUP check in parse_effect().
                    261: 2006/03/22: [new]  add API onig_noname_group_capture_is_active().
                    262: 2006/03/01: [spec] rename regex object type from regex_t to OnigRegexType.
                    263:                    add typedef OnigRegexType regex_t
                    264:                    unless ONIG_ESCAPE_REGEX_T_COLLISION is defined.
                    265: 2006/02/27: [spec] change ONIG_MAX_MULTI_BYTE_RANGES_NUM from 1000
                    266:                    to 10000.  (for docdiff program)
                    267: 2006/02/17: [dist] change COPYING year 2005 -> 2006.
                    268: 
                    269: 2006/02/07: Version 4.0.1
                    270: 
                    271: 2006/02/07: [test] success in ruby 1.9.0 (2005-11-28) [i686-linux].
                    272: 2006/02/07: [bug]  memory leaks in onig_free_shared_cclass_table().
                    273: 2006/02/03: [ruby] add -m 0644 option to install command in "make 19".
                    274: 2006/02/03: [impl] rename ANCHOR_ANYCHAR_STAR_PL to ANCHOR_ANYCHAR_STAR_ML.
                    275:                    change from IS_POSIXLINE() to IS_MULTILINE()
                    276:                    for ANCHOR_ANYCHAR_START/_ML decision
                    277:                    in optimize_node_left().
                    278: 2006/01/26: [dist] update index.html for Oniguruma 2.5.3.
                    279: 2006/01/25: [dist] update URL in index.html.
                    280: 
                    281: 2006/01/24: Version 4.0.0
                    282: 
                    283: 2006/01/24: [test] success in ruby 1.9.0 (2005-11-28) [i386-cygwin].
                    284: 2006/01/24: [test] success in ruby 1.9.0 (2005-11-28) [i686-linux].
                    285: 2006/01/24: [dist] remove warnings from sample/encode.c.
                    286: 2006/01/24: [dist] change install description in README(.ja).
                    287: 2006/01/24: [dist] remove re.c.XXX.patch from distribution and CVS.
                    288: 2006/01/24: [dist] --- support shared library ---
                    289:                    use GNU libtool/automake.
                    290:                    change configure.in and add Makefile.am, sample/Makefile.am.
                    291:                    add AUTHORS file.
                    292: 2006/01/24: [dist] test programs return exit code -1 when test fails. 
                    293: 2006/01/24: [bug] (thanks KIMURA Koichi)
                    294:                    invalid syntax definition in ONIG_SYNTAX_GREP.
                    295:                    ONIG_SYN_OP_BRACE_INTERVAL
                    296:                    -> ONIG_SYN_OP_ESC_BRACE_INTERVAL
                    297: 2006/01/23: [dist] fix configure.in for onig-config.
                    298: 2006/01/19: [new]  add new config USE_UNICODE_ALL_LINE_TERMINATORS.
                    299:                    (U+000d, U+0085, U+2028, U+2029)
                    300: 2005/12/29: [dist] change pmatch array size to 25 in testconv.rb.
                    301: 2005/12/26: [dist] fix name in test.rb.
                    302: 2005/12/26: [dist] update index.html for 2.5.1.
                    303: 
                    304: 2005/11/29: Version 3.9.1
                    305: 
                    306: 2005/11/29: [test] success in ruby 1.9.0 (2005-11-28) [i686-linux].
                    307: 2005/11/24: [test] success in ruby 1.9.0 (2005-08-09) [i686-linux].
                    308: 2005/11/21: [test] success in ruby 1.9.0 (2005-11-20) [i386-cygwin].
                    309: 2005/11/21: [bug]  (thanks Allan Odgaard)
                    310:                    utf-8 character comments in extended mode leads 
                    311:                    invalid result.
                    312:                    ex. /(?x)(?<= # <any-utf-8 multibyte char>o\n~) /
                    313:                    fix onigenc_unicode_is_code_ctype() and
                    314:                    utf8_is_code_ctype().
                    315: 2005/11/20: [bug]  (thanks MATSUMOTO Satoshi) (thanks Isao Sonobe)
                    316:                    begin-line anchor and BM search optimization leads
                    317:                    invalid result in UTF-16/32.
                    318:                    fix in set_optimize_exact_info().
                    319: 
                    320: 2005/11/20: Version 3.9.0
                    321: 
                    322: 2005/11/20: [test] success in ruby 1.9.0 (2005-11-20) [i386-cygwin].
                    323: 2005/11/20: [test] success in ruby 1.9.0 (2005-10-18) [i386-cygwin].
                    324: 2005/11/20: [new]  add new config USE_CRNL_AS_LINE_TERMINATOR.
                    325:                    (!!! NO SUPPORT experimental option !!!)
                    326: 2005/11/15: [bug]  (thanks Allan Odgaard)
                    327:                    tok->escape was not cleared in fetch_token_in_cc().
                    328:                    ex. [\s&&[^\n]] makes wrong result.
                    329: 2005/10/18: [impl] (thanks nobu)
                    330:                    change sjis_mbc_enc_len()
                    331:                    and node_new_cclass_by_codepoint_range() scope to static.
                    332: 2005/09/05: [dist] remove link to MultiFind.
                    333: 2005/09/01: [dist] add link to yagrep.
                    334: 
                    335: 2005/08/23: Version 3.8.9
                    336: 
                    337: 2005/08/23: [test] success in ruby 1.9.0 (2005-08-09) [i686-linux].
                    338: 2005/08/23: [inst] fix Makefile.in for make ctest/ptest.
                    339: 
                    340: 2005/08/23: Version 3.8.8
                    341: 
                    342: 2005/08/23: [test] success in ruby 1.9.0 (2005-08-09) [i686-linux].
                    343: 2005/08/23: [impl] split is_code_in_cc() from onig_is_code_in_cc().
                    344: 2005/08/23: [impl] should check DATA_ENSURE() at OP_CCLASS_NODE in match_at().
                    345: 2005/08/23: [impl] (thanks akr)
                    346:                    add ONIG_OPTION_MAXBIT for escape conflict with
                    347:                    Ruby's option.
                    348: 2005/08/22: [impl] escape GCC 4.0 warnings for testc.c.
                    349: 2005/08/22: [bug]  (thanks nobu, matz) [ruby-dev:26840]
                    350:                    UTF-8 0xFE, 0xFF handling bug in code_is_in_cclass_node().
                    351:                    abort on /\S*/ =~ "\xfe"
                    352: 2005/08/22: [impl] escape GCC 4.0 warnings for sample/*.c.
                    353: 2005/08/22: [impl] fix testconvu.rb.
                    354: 2005/08/22: [impl] escape GCC 4.0 warnings.
                    355: 
                    356: 2005/08/09: Version 3.8.7
                    357: 
                    358: 2005/08/09: [test] success in ruby 1.9.0 (2005-08-09) [i686-linux].
                    359: 2005/08/09: [bug]  (thanks Allan Odgaard)
                    360:                    should not call enc_len() for s == range
                    361:                    in onig_search().
                    362: 2005/08/01: [dist] add mkdir $prefix, mkdir $exec_prefix to make install.
                    363: 
                    364: 2005/07/27: Version 3.8.6
                    365: 
                    366: 2005/07/27: [test] success in ruby 1.9.0 (2005-07-26) [i686-linux].
                    367: 2005/07/27: [impl] update onig-config.in.
                    368: 2005/07/26: [new]  (thanks Yen-Ju Chen)
                    369:                    add Oniguruma configuration check program.
                    370:                    (onig-config.in)
                    371: 
                    372: 2005/07/14: Version 3.8.5
                    373: 
                    374: 2005/07/14: [test] success in ruby 1.9.0 (2005-07-14) [i686-linux].
                    375: 2005/07/11: [test] success in ruby 1.9.0 (2005-07-04) [i686-linux].
                    376: 2005/07/11: [bug]  (thanks nobu) [ruby-dev:26505]
                    377:                    invalid handling for /\c\x/ and /\C-\x/.
                    378:                    fix fetch_escaped_value().
                    379: 2005/07/05: [impl] (thanks Alexey Zakhlestine)
                    380:                    escape GCC 4.0 warnings.
                    381: 
                    382: 2005/07/01: Version 3.8.4
                    383: 
                    384: 2005/07/01: [test] success in ruby 1.9.0 (2005-07-01) [i686-linux].
                    385: 2005/06/30: [test] success in ruby 1.9.0 (2005-06-28) [i686-linux].
                    386: 2005/06/30: [dist] add GB 18030 test to sample/encode.c.
                    387: 2005/06/30: [impl] escape warning of gb18030_left_adjust_char_head().
                    388: 2005/06/30: [new]  (contributed by KUBO Takehiro)
                    389:                    add new character encoding ONIG_ENCODING_GB18030.
                    390: 2005/06/30: [bug]  invalid ctype check for multibyte encodings.
                    391:                    ("graph", "print")
                    392:                    fix onigenc_mb2/4_is_code_ctype(), 
                    393:                    eucjp_is_code_ctype() and sjis_is_code_ctype().
                    394: 2005/06/30: [bug]  invalid conversion from code point to mbc in
                    395:                    onigenc_mb4_code_to_mbc().
                    396: 
                    397: 2005/06/28: Version 3.8.3
                    398: 
                    399: 2005/06/28: [test] success in ruby 1.9.0 (2005-06-28) [i686-linux].
                    400: 2005/06/27: [test] success in ruby 1.9.0 (2005-05-31) [i686-linux].
                    401: 2005/06/27: [bug]  (thanks Wolfgang Nadasi-Donner)
                    402:                    invalid check for never ending recursion.
                    403:                    lower zero quantifier should be treated as
                    404:                    a non-recursive call alternative.
                    405:                    ex. /(?<bal>[^()]*(\(\g<bal>\)[^()]*)*)/
                    406: 2005/06/15: [impl] add divide_ambig_string_node_sub().
                    407: 2005/06/15: [dist] add a test to sample/encode.c.
                    408: 2005/06/10: [new]  add ONIG_SYNTAX_PERL_NG. (Perl + named group)
                    409: 
                    410: 2005/06/01: Version 3.8.2
                    411: 
                    412: 2005/06/01: [test] success in ruby 1.9.0 (2005-05-31) [i686-linux].
                    413: 2005/05/31: [dist] add doc/FAQ and doc/FAQ.ja.
                    414: 2005/05/31: [impl] minor change in node_new().
                    415: 2005/05/30: [test] success in ruby 1.9.0 (2005-05-11) [i686-linux].
                    416: 2005/05/30: [bug]  (thanks Allan Odgaard)
                    417:                    FreeNodeList null check should be on thread-atomic
                    418:                    in node_new().
                    419: 
                    420: 2005/05/11: Version 3.8.1
                    421: 
                    422: 2005/05/11: [test] success in ruby 1.9.0 (2005-05-11) [i386-mswin32].
                    423: 2005/05/11: [dist] update win32/Makefile (make 19).
                    424: 2005/05/11: [test] success in ruby 1.9.0 (2005-05-11) [i686-linux].
                    425: 2005/05/06: [test] success in ruby 1.9.0 (2005-05-06) [i686-linux].
                    426: 2005/05/06: [impl] (thanks nobu) [ruby-core:4815]
                    427:                    add #ifdef USE_VARIABLE_META_CHARS to goto label.
                    428: 2005/04/25: [test] success in ruby 1.9.0 (2005-04-25) [i686-linux].
                    429: 2005/04/25: [impl] change DEFAULT_WARN_FUNCTION and DEFAULT_VERB_WARN_FUNCTION
                    430:                    to onig_rb_warn() and onig_rb_warning().
                    431: 
                    432: 2005/04/15: Version 3.8.0
                    433: 
                    434: 2005/04/15: [test] success in ruby 1.9.0 (2005-04-14) [i686-linux].
                    435: 2005/04/01: [test] success in ruby 1.9.0 (2005-03-24) [i686-linux].
                    436: 2005/04/01: [impl] (thanks Joe Orton)
                    437:                    (thanks Moriyoshi Koizumi)
                    438:                    many const-ification to many *.[ch] files.
                    439: 
                    440: 2005/03/25: Version 3.7.2
                    441: 
                    442: 2005/03/25: [test] success in ruby 1.9.0 (2005-03-24) [i686-linux].
                    443: 2005/03/23: [test] success in ruby 1.9.0 (2005-03-20) [i686-linux].
                    444: 2005/03/23: [test] success in ruby 1.9.0 (2005-03-08) [i686-linux].
                    445: 2005/03/23: [new]  add ONIG_SYNTAX_ASIS.
                    446: 2005/03/23: [new]  add ONIG_SYN_OP2_INEFFECTIVE_ESCAPE.
                    447: 2005/03/09: [spec] rename MBCTYPE_XXX to RE_MBCTYPE_XXX. (GNU API)
                    448: 2005/03/08: [test] success in ruby 1.9.0 (2005-03-08) [i686-linux].
                    449: 2005/03/08: [impl] (thanks matz) [ruby-dev:25783]
                    450:                    should not allocate memory for key data in st.c.
                    451:                    move st_*_strend() functions from st.c. fixed some
                    452:                   potential memory leaks.
                    453:                    (imported from Ruby 1.9 2005-03-08)
                    454: 
                    455: 2005/03/07: Version 3.7.1
                    456: 
                    457: 2005/03/07: [test] success in ruby 1.9.0 (2005-03-07) [i686-linux].
                    458: 2005/03/07: [impl] (thanks Rui Hirokawa)
                    459:                    add ONIG_ESCAPE_UCHAR_COLLISION.
                    460:                    rename UChar to OnigUChar in oniguruma.h.
                    461: 2005/03/07: [impl] remove declarations for Ruby in oniggnu.h.
                    462: 2005/03/05: [bug]  ANCHOR_ANYCHAR_STAR didn't work in onig_search().
                    463: 2005/03/01: [dist] remove oniggnu.h from MANIFEST-RUBY.
                    464:                    remove oniggnu.h from make 19.
                    465: 2005/03/01: [bug]  (thanks matz) [ruby-dev:25778]
                    466:                    uninitialized member (OptEnv.backrefed_status)
                    467:                    was used. 
                    468: 
                    469: 2005/02/19: Version 3.7.0
                    470: 
                    471: 2005/02/19: [test] success in ruby 1.9.0 (2005-02-19) [i386-cygwin].
                    472: 2005/02/19: [new]  (thanks Minero Aoki)
                    473:                    add onig_region_set().
                    474: 2005/02/19: [API]  change onig_region_init() to extern.
                    475: 2005/02/19: [dist] remove reggnu.c from MANIFEST-RUBY.
                    476:                    remove reggnu.c from make 19.
                    477: 2005/02/19: [dist] update doc/API and doc/API.ja.
                    478: 2005/02/19: [test] success in ruby 1.9.0 (2005-02-19) [i386-cygwin].
                    479: 2005/02/19: [impl] (thanks Alexey Zakhlestine)
                    480:                    change UChar* to const UChar* in oniguruma.h,
                    481:                    regenc.h and regparse.h.
                    482: 2005/02/13: [impl] change UChar* to const UChar* in oniguruma.h and
                    483:                    onigposix.h and st.h.
                    484: 2005/02/12: [test] success in ruby 1.9.0 (2005-02-11) [i386-cygwin].
                    485: 2005/02/12: [bug]  (thanks nobu) [ruby-dev:25676]
                    486:                    type_cclass_hash() fix overrun.
                    487: 2005/02/09: [test] success in ruby 1.9.0 (2005-02-09) [i686-linux].
                    488: 2005/02/09: [spec] add RE_OPTION_FIND_NOT_EMPTY etc.. to oniggnu.h.
                    489: 2005/02/09: [dist] remove hash.c.patch.
                    490: 2005/02/07: [impl] remove re_mbctab, mbctab_ascii etc...
                    491:                    (USE_COMPATIBILITY_FOR_RUBY_EXTENSION_LIBRARY)
                    492: 
                    493: 2005/02/04: Version 3.6.0
                    494: 
                    495: 2005/02/04: [test] success in ruby 1.9.0 (2005-02-04) [i686-linux].
                    496: 2005/02/01: [bug]  add key_free() call to st_free_table().
                    497: 2005/02/01: [new]  add onig_get_default_ambig_flag() and
                    498:                    onig_set_default_ambig_flag().
                    499: 2005/02/01: [dist] update MANIFEST-RUBY.
                    500: 2005/01/31: [test] success in ruby 1.9.0 (2005-01-29) [i686-linux].
                    501: 2005/01/31: [spec] remove ONIGENC_AMBIGUOUS_MATCH_COMPOUND
                    502:                    from ONIGENC_AMBIGUOUS_MATCH_DEFAULT.
                    503: 2005/01/31: [dist] update Makefile.in (make 19).
                    504: 2005/01/29: [memo] (thanks Kazuo Saito)
                    505:                    Oniguruma 3.5.4 was merged to Ruby 1.9.0.
                    506: 2005/01/28: [impl] (thanks UK-taniyama)
                    507:                    add extern "C" { } directive to oniguruma.h, oniggnu.h
                    508:                    and onigposix.h for C++.
                    509: 2005/01/25: [impl] remove nested function call for xxx_code_to_mbclen().
                    510:                    (euc_kr.c, euc_tw.c, big5.c)
                    511: 
                    512: 2005/01/19: Version 3.5.4
                    513: 
                    514: 2005/01/19: [test] success in ruby 1.9.0 (2005-01-05) [i686-linux].
                    515: 2005/01/19: [bug]  (thanks Isao Sonobe)
                    516:                    callback function argument name_end of onig_foreach_name()
                    517:                    was wrong.
                    518:                    name key of name table should be null terminated for 
                    519:                    character encoding length.
                    520:                    add strdup_with_null(), rename onig_strdup() to k_strdup().
                    521:                    use e->name_len in i_names().
                    522: 2005/01/17: [impl] (thanks UK-taniyama)
                    523:                    add HAVE_SYS_TYPES_H to config.h.in.
                    524: 
                    525: 2005/01/13: Version 3.5.3
                    526: 
                    527: 2005/01/13: [test] success in ruby 1.9.0 (2005-01-05) [i686-linux].
                    528: 2005/01/13: [bug]  ignore case match bug.
                    529:                    ex. /s+/iu.match("SSSSS") ==> [4..5]
                    530:                    fix OP_EXACT1_IC, OP_EXACTN_IC process.
                    531: 2005/01/13: [bug]  (thanks Isao Sonobe)
                    532:                    ignore case match bug.
                    533:                    ex. /is/iu.match("ss") fail.
                    534:                    fix str_lower_case_match() etc.
                    535: 
                    536: 2005/01/05: Version 3.5.2
                    537: 
                    538: 2005/01/05: [test] success in ruby 1.9.0 (2005-01-05) [i686-linux].
                    539: 2005/01/05: [test] success in ruby 1.9.0 (2004-12-16) [i686-linux].
                    540: 2005/01/05: [bug]  (thanks Isao Sonobe)
                    541:                    ignore case match bug.
                    542:                    ex. /s+/iu.match("sssss") ==> [4..5]
                    543:                    fix OP_EXACT1_IC, OP_EXACTN_IC process.
                    544: 2005/01/05: [bug]  (thanks Isao Sonobe)
                    545:                    group name table should be renumbered.
                    546:                    add onig_renumber_name_table().
                    547: 2004/12/24: [dist] remove file onigcmpt200.h.
                    548: 
                    549: 2004/12/17: Version 3.5.1
                    550: 
                    551: 2004/12/17: [dist] add INSTALL-RUBY to archive.
                    552: 2004/12/16: [test] success in ruby 1.9.0 (2004-12-16) [i686-linux].
                    553: 2004/12/16: [dist] update hash.c.patch.
                    554: 2004/12/15: [bug]  (thanks matz)
                    555:                    char > 127 should be casted to unsigned char. (utf8.c)
                    556: 2004/12/13: [impl] add HAVE_PROTOTYPES and HAVE_STDARG_PROTOTYPES definition
                    557:                    to oniguruma.h in the case __cplusplus.
                    558: 2004/12/06: [dist] update doc/RE and doc/RE.ja.
                    559: 2004/12/03: [impl] (thanks nobu)
                    560:                    st.h fix prototype for C++.
                    561: 
                    562: 2004/12/03: Version 3.5.0
                    563: 
                    564: 2004/12/02: [test] success in ruby 1.9.0 (2004-12-02) [i686-linux].
                    565: 2004/12/01: [test] success in ruby 1.9.0 (2004-12-01) [i386-mswin32].
                    566: 2004/12/01: [dist] add make targets 19 and 19up to win32/Makefile.
                    567: 2004/12/01: [test] success in ruby 1.9.0 (2004-12-01) [i386-cygwin].
                    568: 2004/12/01: [test] success in ruby 1.9.0 (2004-12-01) [i686-linux].
                    569: 2004/12/01: [impl] double cast for escape warning in Cygwin.
                    570:                   (HashDataType* )((void* )(&e)) in regparse.c
                    571: 2004/12/01: [test] success in ruby 1.9.0 (2004-11-30) [i686-linux].
                    572: 2004/12/01: [tune] change implementation of clear_opt_map_info().
                    573:                    (which was 10-16% cost in gprof result for my test program)
                    574: 2004/12/01: [dist] remove regex.c from distribution files.
                    575: 2004/11/30: [memo] remove targets 16 and 18 from Makefile.in.
                    576: 2004/11/30: [test] success in ruby 1.9.0 (2004-11-30) [i686-linux].
                    577: 2004/11/30: [inst] add "cp -p st.[ch] st.[ch].ruby_orig" to "make 19".
                    578: 2004/11/30: [tune] map_position_value() return 20 if code is 0
                    579:                    and minimum enclen > 1.
                    580: 2004/11/30: [test] success in ruby 1.9.0 (2004-11-29) [i686-linux].
                    581: 2004/11/30: [impl] minor changes for multi-thread in regexec.c and regcomp.c.
                    582: 2004/11/30: [impl] change THREAD_PASS_LIMIT_COUNT value from 10 to 8.
                    583: 2004/11/30: [impl] add THREAD_ATOMIC_XXX to FreeNodeList access in regparse.c
                    584: 2004/11/29: [impl] add USE_MULTI_THREAD_SYSTEM.
                    585: 2004/11/29: [memo] add hash.c.patch to CVS.
                    586: 2004/11/29: [dist] change mail address to 'sndgk393 AT ...'
                    587: 2004/11/29: [dist] add -s option (silent mode) to test.rb.
                    588: 2004/11/29: [tune] change THRESHOLD_RANGE_NUM_FOR_SHARE_CCLASS value
                    589:                    from 20 to 8.
                    590: 2004/11/29: [inst] add make target "19up".
                    591: 2004/11/29: [dist] change Oniguruma Home Page URL.
                    592: 2004/11/29: [impl] remove onig_is_in_code_range_array().
                    593: 2004/11/29: [dist] fix doc/RE and RE.ja (character types).
                    594: 2004/11/26: [dist] fix win32/Makefile.
                    595: 2004/11/26: [dist] fix doc/RE and RE.ja (multibyte character types).
                    596: 2004/11/26: [impl] add onig_free_shared_cclass_table().
                    597: 2004/11/26: [impl] move definition USE_UNICODE_FULL_RANGE_CTYPE to regenc.h.
                    598: 2004/11/26: [impl] add opcode OP_CCLASS_NODE.
                    599: 2004/11/26: [impl] move definition of CClassNode to regint.h.
                    600: 2004/11/26: [impl] add type PointerType in regint.h.
                    601: 2004/11/25: [impl] remove ONIGENC_CTYPE_MOD_NOT.
                    602: 2004/11/25: [impl] rename onig_node_new_cclass_by_codepoint_range to
                    603:                    node_new_cclass_by_codepoint_range.
                    604: 2004/11/25: [impl] remove get_type_cc_node method from OnigEncodingType.
                    605: 2004/11/25: [impl] move implementation of shared char-class from enc/*.c
                    606:                    to regparse.c.
                    607: 2004/11/25: [dist] add hash.c.patch for Ruby 1.9 hash.c change.
                    608: 2004/11/22: [impl] change utf8_get_type_node().
                    609: 2004/11/22: [impl] add ONIGENC_CTYPE_MOD_NOT.
                    610: 2004/11/22: [bug]  (thanks MIYAMUKO Katsuyuki)
                    611:                    ruby make test fail in HP-UX B.11.23 ia64.
                    612:                    should use tok->u.code instead of tok->u.c in
                    613:                    the case of TK_CODE_POINT.
                    614: 2004/11/19: [bug]  (thanks Yoshida Masato)
                    615:                    invalid multibyte code causes segmentation fault.
                    616:                    ex.  /[\xFF-\xFF]/u
                    617: 2004/11/19: [bug]  (thanks Yoshida Masato)
                    618:                    illegal check in char-class range in UTF-8.
                    619:                    ex.  s = "[\xC2\xA0-\xC3\xBE]"
                    620:                         p(Regexp.new(s, nil, "u") =~ "\xC3\xBE")
                    621: 2004/11/18: [impl] add onig_node_new_cclass_by_codepoint_range().
                    622: 2004/11/18: [impl] remove OnigCodePointRange type. (use OnigCodePoint[].)
                    623: 2004/11/17: [bug]  (thanks nobu)
                    624:                    abort in "a".gsub(/a\Z/, "")
                    625:                    fix ONIGENC_STEP_BACK() argument in onig_search().
                    626: 2004/11/16: [impl] add key2 member to st_table_entry in st.[ch].
                    627:                    change API of st for non-null terminated string key.
                    628: 2004/11/16: [impl] add get_type_cc_node method to OnigEncodingType.
                    629: 2004/11/15: [impl] add st.h and st.c from Ruby 1.9.
                    630:                    use st-hash always.
                    631: 2004/11/12: [impl] change menber 'not' of CClassNode to 'flags'.
                    632:                    add flags FLAG_CCLASS_NOT and FLAG_CCLASS_SHARE.
                    633: 2004/11/12: [impl] add onig_is_in_code_range_array() to enc/unicode.c.
                    634: 2004/11/12: [impl] fix CRWord in enc/unicode.c and MBWord in enc/utf8.c.
                    635: 2004/11/11: [bug]  fix enc/utf8.c.
                    636:                    size 0 array initializer was compile error in VC++.
                    637: 2004/11/09: [inst] (thanks Hiroki YAGITA)
                    638:                    change installed file mode to 0644.
                    639: 2004/11/09: [bug]  (thanks UK-taniyama)
                    640:                    wrong definitions GET_RELADDR_INC(), GET_ABSADDR_INC()
                    641:                    etc... (NOT PLATFORM_UNALIGNED_WORD_ACCESS)
                    642: 2004/11/09: [impl] type cast in regexec() for remove compile time warning.
                    643:                    (WIN32, regposix.c)
                    644: 2004/11/08: [spec] fix Unicode character types.
                    645:                    0x00ad (soft hyphen) should be [:cntrl:] and [:space:] type.
                    646:                    [0x0009..0x000d], 0x0085 should be [:print:] type.
                    647:                    0x00ad should not be [:punct:] type.
                    648: 2004/11/08: [inst] fix Makefile.in. (for make ctest/ptest/testcu)
                    649: 2004/11/06: [impl] (thanks Kazuo Saito)
                    650:                    too many alternatives pattern causes core dump.
                    651:                    change implementation of onig_node_free().
                    652: 2004/11/05: [spec] rename ONIGERR_END_PATTERN_AT_BACKSLASH to
                    653:                    ONIGERR_END_PATTERN_AT_ESCAPE.
                    654: 2004/11/05: [impl] (thanks matz)
                    655:                    escape compile time warnings for x86-64 Linux.
                    656:                    StackIndex type int -> long
                    657: 2004/11/05: [memo] (thanks Kazuo Saito)
                    658:                    Oniguruma 3.4.0 was merged to Ruby 1.9.0.
                    659: 
                    660: 2004/10/30: Version 3.4.0
                    661: 
                    662: 2004/10/30: [test] success in ruby 1.9.0 (2004-09-24) [i686-linux].
                    663: 2004/10/30: [new]  add hexadecimal digit char type. (\h, \H)
                    664:                    syntax: ONIG_SYN_OP2_ESC_H_XDIGIT
                    665: 2004/10/30: [bug]  (thanks Guy Decoux)
                    666:                    reluctant infinite repeat bug.
                    667:                    ex. /^[a-z]{2,}?$/.match("aaa") fail.
                    668:                    fix OP_REPEAT_INC_NG process in match_at().
                    669: 
                    670: 2004/10/18: Version 3.3.1
                    671: 
                    672: 2004/10/18: [test] success in ruby 1.9.0 (2004-09-24) [i686-linux].
                    673: 2004/10/18: [impl] (thanks Imai Yasumasa)
                    674:                    enclose #include <sys/types.h> by #ifndef __BORLANDC__.
                    675: 2004/10/18: [bug]  (thanks Imai Yasumasa)
1.1.1.3 ! misho     676:                    memory access violation in select_opt_exact_info().
1.1       misho     677: 2004/09/25: [dist] fix doc/API and doc/API.ja.
                    678: 2004/09/25: [bug]  fix OP_SEMI_END_BUF process in match_at() for
                    679:                    the case USE_NEWLINE_AT_END_OF_STRING_HAS_EMPTY_LINE
                    680:                    is not defined.
                    681: 
                    682: 2004/09/17: Version 3.3.0
                    683: 
                    684: 2004/09/17: [dist] add COPYING to program source files.
                    685: 2004/09/17: [test] success in ruby 1.9.0 (2004-07-23) [i686-linux].
                    686: 2004/09/17: [bug]  (thanks Isao Sonobe)
                    687:                    memory access violations in xxx_mbc_enc_len(),
                    688:                    and xxx_mbc_to_normalize() and
                    689:                    xxx_left_adjust_char_head().
                    690:                    add string range check in match_at() and onig_search().
                    691: 2004/09/08: [dist] change mail address format.(kosako AT sofnec ...)
                    692: 
                    693: 2004/09/04: Version 3.2.9
                    694: 
                    695: 2004/09/04: [test] success in ruby 1.9.0 (2004-07-23) [i686-linux].
                    696: 2004/09/04: [bug]  (thanks Bob Kerstetter and Richard Koch)
                    697:                    search fail in ignore case mode.
                    698:                    fix str_lower_case_match().
                    699: 2004/09/04: [inst] (thanks Isao Sonobe)
                    700:                    clear sample directory in 'make clean'.
                    701: 2004/09/04: [bug]  fix ONIGENC_AMBIGUOUS_MATCH_COMPOUND/ASCII/NONASCII
                    702:                    meanings in XXXXX_mbc_to_normalize() and
                    703:                    XXXXX_is_mbc_ambiguous().
                    704: 2004/08/28: [bug]  fix ONIGENC_AMBIGUOUS_MATCH_COMPOUND/ASCII/NONASCII
                    705:                    meanings in iso_8859_XX_mbc_to_normalize() and
                    706:                    iso_8859_XX_is_mbc_ambiguous().
                    707: 
                    708: 2004/08/24: Version 3.2.8
                    709: 
                    710: 2004/08/24: [test] success in ruby 1.9.0 (2004-07-23) [i686-linux].
                    711: 2004/08/24: [spec] add ONIG_SYN_FIXED_INTERVAL_IS_GREEDY_ONLY.
                    712:                    /a{n}?/ == /(?:a{n})?/
                    713: 2004/08/24: [dist] fix doc/RE and doc/RE.ja.
                    714: 2004/08/24: [bug]  (thanks starfish)
                    715:                    memory leak in set_optimize_exact_info().
                    716: 
                    717: 2004/08/21: Version 3.2.7
                    718: 
                    719: 2004/08/21: [test] success in ruby 1.8.2 (2004-07-28) [i686-linux].
                    720:                    (1.8.2 preview2)
                    721: 2004/08/21: [test] success in ruby 1.9.0 (2004-07-23) [i686-linux].
                    722: 2004/08/21: [bug]  (thanks Isao Sonobe) (thanks kage)
                    723:                    memory access violation in bm_search_notrev().
                    724:                    (forgotten to merge from 2.X)
                    725: 
                    726: 2004/07/24: Version 3.2.6
                    727: 
                    728: 2004/07/24: [test] success in ruby 1.9.0 (2004-07-23) [i686-linux].
                    729: 2004/07/24: [test] success in ruby 1.8.2 (2004-07-16) [i686-linux].
                    730: 2004/07/24: [bug]  fix warnings for regexec.c. (gcc 2.91.66)
                    731: 2004/07/24: [memo] change version control system from Subversion
                    732:                    to CVS 1.11.17.
                    733: 2004/07/20: [bug]  (thanks Isao Sonobe)
                    734:                    illegal result in negative character class in ignore case
                    735:                    mode. fix pair-ambig-codes process in parse_exp().
                    736:                    ex. /[^a]/i.match("A")
                    737: 2004/07/20: [bug]  (thanks Isao Sonobe)
                    738:                    undefined bytecode error happens in UTF-16BE etc..
                    739:                    compile_length_cclass_node() was not consistent with
                    740:                    compile_cclass_node().
                    741: 
                    742: 2004/07/01: Version 3.2.5
                    743: 
                    744: 2004/07/01: [test] success in ruby 1.8.2 (2004-06-23) [i686-linux].
                    745: 2004/07/01: [new]  add onig_get_syntax_{op,op2,behavior,options}.
                    746: 2004/07/01: [bug]  (thanks Isao Sonobe)
                    747:                    invalid result in onig_capture_tree_traverse().
                    748:                    fix make_capture_history_tree().
                    749: 
                    750: 2004/06/29: Version 3.2.4
                    751: 
                    752: 2004/06/29: [test] success in ruby 1.8.2 (2004-06-23) [i686-linux].
                    753: 2004/06/29: [new]  (thanks Isao Sonobe)
                    754:                    add onig_number_of_captures().
                    755: 
                    756: 2004/06/25: Version 3.2.3
                    757: 
                    758: 2004/06/25: [test] success in ruby 1.8.2 (2004-06-23) [i686-linux].
                    759: 2004/06/25: [bug]  (thanks Isao Sonobe)
                    760:                    invalid result in onig_capture_tree_traverse().
                    761:                    fix make_capture_history_tree().
                    762: 
                    763: 2004/06/24: Version 3.2.2
                    764: 
                    765: 2004/06/24: [test] success in ruby 1.8.0 (2003-08-08) [i386-cygwin].
                    766: 2004/06/24: [test] success in ruby 1.8.0 (2003-08-08) [i386-mswin32].
                    767: 2004/06/24: [test] success in ruby 1.8.2 (2004-06-23) [i686-linux].
                    768: 2004/06/24: [new]  (thanks Isao Sonobe)
                    769:                    add onig_number_of_capture_histories().
                    770: 2004/06/24: [bug]  (thanks Isao Sonobe)
                    771:                    invalid char position match in UTF-16 and UTF-32.
                    772:                    add onigenc_always_false_is_allowed_reverse_match().
                    773: 
                    774: 2004/06/17: Version 3.2.1
                    775: 
                    776: 2004/06/17: [test] success in ruby 1.8.0 (2003-08-08) [i386-cygwin].
                    777: 2004/06/17: [test] success in ruby 1.8.0 (2003-08-08) [i386-mswin32].
                    778: 2004/06/17: [test] success in ruby 1.8.2 (2004-05-18) [i686-linux].
                    779: 2004/06/17: [impl] should not use OP_REPEAT for (...)? even if target size
                    780:                    is long.
                    781: 2004/06/17: [bug]  (thanks nobu) [ruby-dev:23703]
                    782:                    should use STACK_AT() instead of stkp in OP_REPEAT_INC.
                    783:                    add IN_VAR_REPEAT flag in setup_tree().
                    784: 2004/06/16: [impl] change select_opt_exact_info() to use ByteValTable[].
                    785: 2004/06/16: [impl] change map_position_value() table values.
                    786: 2004/06/14: [impl] (thanks John Carter)
                    787:                    RelAddrType, AbsAddrType and LengthType change
                    788:                    from short int to int type for the very long string match.
                    789: 2004/06/14: [bug]  (thanks Greg A. Woods)
                    790:                    fix nmatch argument of regexec() is smaller than 
                    791:                    reg->num_mem + 1 case. (POSIX API)
                    792: 2004/06/14: [spec] (thanks Greg A. Woods)
                    793:                    set pmatch to NULL if nmatch is 0 in regexec(). (POSIX API)
                    794: 
                    795: 2004/06/10: Version 3.2.0
                    796: 
                    797: 2004/06/10: [test] success in ruby 1.8.0 (2003-08-08) [i386-cygwin].
                    798: 2004/06/10: [test] success in ruby 1.9.0 (2004-05-27) [i386-mswin32].
                    799: 2004/06/10: [test] success in ruby 1.8.2 (2004-05-18) [i686-linux].
                    800: 2004/06/10: [dist] add README.ja.
                    801: 2004/06/10: [new]  add onig_copy_encoding().
                    802: 2004/06/10: [API]  add encoding argument to onig_set_meta_char().
                    803:                    add meta_char_table member to OnigEncodingType.
                    804: 2004/06/08: [dist] add doc/API.ja.
                    805: 2004/06/07: [API]  add num_of_elements member to OnigCompileInfo.
                    806: 2004/05/29: [memo] (thanks Kazuo Saito)
                    807:                    Oniguruma 3.1.0 was merged to Ruby 1.9.0.
                    808: 2004/05/26: [impl] rename NST_SIMPLE_REPEAT to NST_STOP_BT_SIMPLE_REPEAT.
                    809: 2004/05/26: [impl] doesn't need to check that target's simple repeat-ness
                    810:                    for EFFECT_MEMORY type node in setup_tree().
                    811: 
                    812: 2004/05/25: Version 3.1.0
                    813: 
                    814: 2004/05/25: [test] success in ruby 1.8.0 (2003-08-08) [i386-mswin32].
                    815: 2004/05/25: [test] success in ruby 1.8.0 (2003-08-08) [i386-cygwin].
                    816: 2004/05/25: [test] success in ruby 1.9.0 (2004-05-23) [i686-linux].
                    817: 2004/05/25: [test] success in ruby 1.8.2 (2004-05-18) [i686-linux].
                    818: 2004/05/25: [bug]  (thanks Masahiro Sakai) [ruby-dev:23560]
                    819:                    ruby -ruri -ve 'URI::ABS_URI =~
                    820:                                     "http://example.org/Andr\xC3\xA9"'
                    821:                    nested STK_REPEAT type stack can't backtrack repeat_stk[].
                    822:                    add OP_REPEAT_INC_SG and OP_REPEAT_INC_NG_SG.
                    823: 2004/05/25: [new]  support UTF-32LE. (ONIG_ENCODING_UTF32_LE)
                    824: 2004/05/25: [new]  support UTF-32BE. (ONIG_ENCODING_UTF32_BE)
                    825: 2004/05/24: [impl] divide enc/utf16.c to utf16_be.c and utf16_le.c.
                    826: 2004/05/24: [impl] add enc/unicode.c.
                    827: 2004/05/24: [API]  change calling sequences of onig_new_deluxe() and
                    828:                    onig_recompile_deluxe().
                    829:                    define OnigCompileInfo type.
                    830: 2004/05/21: [impl] perform ensure process for rb_trap_exec() in match_at().
                    831:                    add onig_exec_trap() and CHECK_INTERRUPT_IN_MATCH_AT.
                    832: 2004/05/21: [impl] add regex status check to onig_match().
                    833: 2004/05/21: [new]  add onig_get_capture_tree() and
                    834:                    onig_capture_tree_traverse().
                    835: 2004/05/20: [spec] (thanks Isao Sonobe)
                    836:                    capture history return capture data tree.
                    837:                    (see sample/listcap.c)
                    838: 2004/05/19: [bug]  (thanks Simon Strandgaard)
                    839:                    Control-C does not work in matching process on Ruby.
                    840:                    add calling of CHECK_INTERRUPT into match_at().
                    841:                    ex. /<(?:[^">]+|"[^"]*")+>/.match('<META http-equiv= \
                    842:                        "Content-Type content="text/html; charset=iso-8859-1">')
                    843: 2004/05/19: [bug]  (thanks Simon Strandgaard)
                    844:                    define virtual codepoint values for invalid encoding
                    845:                    byte 0xfe and 0xff in UTF-8.
                    846:                    ex. /\w+/u.match("%a\xffb\xfec%") ==> "a"
                    847: 2004/05/19: [spec] (thanks Simon Strandgaard)
                    848:                    too big backref number should be treated as a sequence of
                    849:                    an octal char and number digits.
                    850:                    ex. /b\3777\c/.match("b\3777\c")
                    851: 2004/05/17: [spec] rename encoding names "UTF-16 BE" and "UTF-16 LE"
                    852:                    to "UTF-16BE" and "UTF-16LE".
                    853: 2004/05/17: [impl] move ismbchar() and mbclen() from oniguruma.h to oniggnu.h.
                    854: 2004/05/17: [impl] rename onigenc_single_byte_is_allowed_reverse_match() to
                    855:                    onigenc_always_true_is_allowed_reverse_match().
                    856: 
                    857: 2004/05/14: Version 3.0.0
                    858: 
                    859: 2004/05/14: [test] success in ruby 1.8.0 (2003-08-08) [i386-cygwin].
                    860: 2004/05/14: [test] success in ruby 1.9.0 (2004-05-14) [i686-linux].
                    861: 2004/05/14: [test] success in ruby 1.8.0 (2003-08-08) [i386-mswin32].
                    862:                    (* need to edit parse.y:
                    863:                        register int c; ---> int c; in yylex())
                    864: 2004/05/14: [impl] add regext.c.
                    865: 2004/05/14: [spec] KOI8 is not included in library archive by default setup.
                    866: 2004/05/14: [impl] implementation changes are completed for all encoding files.
                    867: 2004/05/12: [impl] add divide_ambig_string_node().
                    868:                    ambiguous string is divided and normalized before
                    869:                    optimization and compilation process.
                    870: 2004/05/11: [dist] remove INSTALL-RUBY from distribution.
                    871: 2004/04/28: [memo] (thanks Kazuo Saito)
                    872:                    Oniguruma 2.2.8 was merged to Ruby 1.9.0.
                    873: 2004/04/26: [spec] change value DEFAULT_MATCH_STACK_LIMIT_SIZE = 0 : unlimited
                    874: 2004/04/26: [new]  add onig_get_match_stack_limit_size() and
                    875:                    onig_set_match_stack_limit_size().
                    876: 2004/04/26: [bug]  add error check to re.c.181.patch and re.c.168.patch.
                    877: 2004/04/23: [impl] remove ctype_support_level from OnigEncodingType.
                    878: 2004/04/22: [spec] allow the range from single byte char to multibyte char in
                    879:                    character class for implementation reason.
                    880:                    ex. /[a-\xbb\xcc]/ in EUC-JP encoding.
                    881: 2004/04/21: [impl] remove max_enc_len_by_first_byte() from OnigEncodingType.
                    882: 2004/04/20: [new]  add onig_copyright().
                    883: 2004/04/20: [impl] add regversion.c.
                    884: 2004/04/15: [new]  add onig_get_ambig_flag().
                    885: 2004/04/14: [bug]  (thanks Isao Sonobe)
                    886:                    undefined bytecode error happens if ONIG_OPTION_FIND_LONGEST
                    887:                    is setted.
                    888:                    should finish matching process if find-condition
                    889:                    is fail at OP_END in match_at().
                    890: 2004/04/12: [impl] add ambig_flag to regex_t.
                    891: 2004/04/09: [impl] move onig_set_meta_char() to regsyntax.c.
                    892: 2004/04/09: [bug]  (thanks HIROSE Masaaki) fix onig_version().
                    893: 2004/04/08: [impl] add regsyntax.c.
                    894: 2004/04/07: [new]  support UTF-16 LE. (ONIG_ENCODING_UTF16_LE)
                    895: 2004/04/05: [impl] add ONIGENC_CTYPE_NEWLINE.
                    896: 2004/04/05: [memo] (thanks Kazuo Saito)
                    897:                    Oniguruma 2.2.6 was merged to Ruby 1.9.0.
                    898: 2004/04/02: [memo] Version 2.2.6 was released.
                    899: 2004/03/26: [new]  support UTF-16 BE. (ONIG_ENCODING_UTF16_BE)
                    900: 2004/03/25: [spec] support non 8-bit encodings.
                    901: 2004/03/16: [memo] 2.X branch for 8-bit encodings only.
                    902: 
                    903: 2004/03/16: Version 2.2.5
                    904: 
                    905: 2004/03/16: [test] success in ruby 1.8.0 (2003-08-08) [i386-mswin32].
                    906: 2004/03/16: [test] success in ruby 1.9.0 (2004-02-24) [i686-linux].
                    907: 2004/03/16: [impl] add property name to error message of
                    908:                    ONIGERR_INVALID_CHAR_PROPERTY_NAME.
                    909: 2004/03/16: [spec] allow prefix 'Is' for \p{...} in ONIG_SYNTAX_PERL.
                    910:                    add syntax op. ONIG_SYN_OP2_CHAR_PROPERTY_PREFIX_IS.
                    911: 2004/03/15: [dist] add sample/syntax.c.
                    912: 2004/03/15: [spec] support NOT op. in char property. \p{^...}, \P{^...}.
                    913:                    add syntax op. ONIG_SYN_OP2_ESC_P_BRACE_CIRCUMFLEX_NOT.
                    914: 2004/03/15: [spec] rename ONIG_SYN_OP2_ESC_P_CHAR_PROPERTY to
                    915:                    ONIG_SYN_OP2_ESC_P_BRACE_CHAR_PROPERTY.
                    916: 2004/03/10: [impl] move ONIGERR_XXX from regenc.h to oniguruma.h,
                    917:                    rename ONIGERR_XXX to ONIGENCERR_XXX in regenc.h.
                    918: 2004/03/08: [impl] (thanks eban)
                    919:                    replace defined(__CYGWIN__) to defined(__GNUC__).
                    920: 2004/03/08: [bug]  (thanks eban) [ruby-dev:23172]
                    921:                    need to separate initialization for bcc32.
                    922: 2004/03/06: [memo] (thanks Kazuo Saito)
                    923:                    Oniguruma 2.2.4 was merged to Ruby 1.9.0.
                    924: 2004/03/05: [API]  change second argument type of onig_set_meta_char()
                    925:                    from unsigned int to OnigCodePoint.
                    926: 2004/03/05: [dist] (thanks Kazuo Saito)
                    927:                    add MANIFEST-RUBY.
                    928: 
                    929: 2004/03/04: Version 2.2.4
                    930: 
                    931: 2004/03/04: [impl] (thanks Moriyoshi Koizumi)
                    932:                    fix many warnings in Win32 VC++ with /W3 option.
                    933: 
                    934: 2004/03/02: Version 2.2.3
                    935: 
                    936: 2004/03/02: [bug]  (thanks Isao Sonobe)
                    937:                    return invalid capture region value if capture history
                    938:                    is used. (OP_MEMORY_END_PUSH_REC bug)
                    939:                    ex. /\g<p>(?@<p>\(\g<s>\)){0}(?<s>(?:\g<p>)*|){0}/
                    940:                        .match("((())())")
                    941: 2004/03/02: [impl] (thanks Kazuo Saito)
                    942:                    add :nodoc: to onig_stat_print() for RDoc.
                    943: 2004/03/02: [impl] don't use ONIG_SOURCE_IS_WRAPPED.
                    944: 
                    945: 2004/02/27: Version 2.2.2
                    946: 
                    947: 2004/02/27: [impl] fix the position of onig_stat_print().
                    948: 2004/02/27: [impl] define ONIG_RUBY_DEFINE_GLOBAL_FUNCTION() in regint.h
                    949:                    for ignored by RDoc.
                    950: 
                    951: 2004/02/26: Version 2.2.1
                    952: 
                    953: 2004/02/26: [bug]  [bugs.php.net:#26677] (thanks behrens)
                    954:                    invalid definition at onig_error_code_to_str()
                    955:                    in the case of NOT HAVE_STDARG_PROTOTYPES.
                    956: 
                    957: 2004/02/25: Version 2.2.0
                    958: 
                    959: 2004/02/25: [test] success in ruby 1.8.0 (2003-08-08) [i386-mswin32].
                    960: 2004/02/24: [test] success in ruby 1.9.0 (2004-02-24) [i686-linux].
                    961: 2004/02/24: [bug]  undefined IS_BLANK() and IS_GRAPH() was used in
                    962:                    onigenc_is_code_ctype() in the case of Ruby M17N.
                    963: 2004/02/24: [new]  support ISO-8859-16. (ONIG_ENCODING_ISO_8859_16)
                    964: 2004/02/24: [bug]  should not fold match for 0xdf in iso8859_6.c.
                    965: 2004/02/24: [new]  support ISO-8859-14. (ONIG_ENCODING_ISO_8859_14)
                    966: 2004/02/23: [new]  support ISO-8859-13. (ONIG_ENCODING_ISO_8859_13)
                    967: 2004/02/23: [new]  support ISO-8859-10. (ONIG_ENCODING_ISO_8859_10)
                    968: 2004/02/20: [bug]  fix iso_8859_4_mbc_is_case_ambig().
                    969: 2004/02/20: [new]  support ISO-8859-9. (ONIG_ENCODING_ISO_8859_9)
                    970: 2004/02/19: [bug]  correct ctype tables for ISO-8859-3, ISO-8859-4, 
                    971:                    ISO-8859-6, ISO-8859-7, ISO-8859-8, KOI8_R.
                    972: 2004/02/18: [bug]  wrong replaced name OnigSyntaxGnuOnigex.
                    973: 2004/02/17: [spec] check capture status for empty infinite loop.
                    974:                    [ruby-dev:20224] etc...
                    975:                    ex. /(?:\1a|())*/.match("a"),
                    976:                        /(?:()|()|()|(x)|()|())*\2b\5/.match("b")
                    977:                    add USE_INFINITE_REPEAT_MONOMANIAC_MEM_STATUS_CHECK.
                    978:                    add OP_NULL_CHECK_END_MEMST, OP_NULL_CHECK_END_MEMST_PUSH.
                    979:                    add stack type STK_NULL_CHECK_END.
                    980: 2004/02/13: [impl] add OnigEncodingEUC_CN to enc/euc_kr.c.
                    981: 2004/02/13: [bug]  (thanks Simon Strandgaard)
                    982:                    parsing of nested repeat was invalid.
                    983:                    ex. /ab{2,3}*/ was /(?:a(?:b{2,3}))*/,
                    984:                        should be /a(?:b{2,3}*)/
                    985: 2004/02/12: [bug]  (thanks Simon Strandgaard)
                    986:                    OP_REPEAT_INC_NG process in match_at() is wrong.
                    987:                    ex. bad match /a.{0,2}?a/ =~ "0aXXXa0"
                    988: 2004/02/12: [bug]  (thanks Simon Strandgaard)
                    989:                    wrong fetch after (?x) option.  ex. "(?x)\ta .\n+b"
                    990: 2004/02/12: [bug]  (thanks Simon Strandgaard)
                    991:                    [\^] is not a empty char class.
                    992: 2004/02/09: [new]  add onig_set_syntax_op(), onig_set_syntax_op2(),
                    993:                    onig_set_syntax_behavior(), onig_set_syntax_options().
                    994: 2004/02/06: [dist] add a new target 'site' to Makefile.in.
                    995: 2004/02/06: [dist] add index.html.
                    996: 2004/02/03: [bug]  oniggnu.h was not installed by 'make install'.
                    997: 
                    998: 2004/02/02: Version 2.1.0
                    999: 
                   1000: 2004/02/02: [test] success in ruby 1.9.0 (2004-02-02) [i686-linux].
                   1001: 2004/02/02: [test] success in ruby 1.8.0 (2003-08-08) [i386-cygwin].
                   1002: 2004/02/02: [test] success in ruby 1.8.0 (2003-08-08) [i386-mswin32].
                   1003: 2004/02/02: [new]  support ISO-8859-11. (ONIG_ENCODING_ISO_8859_11)
                   1004: 2004/02/02: [new]  support ISO-8859-5. (ONIG_ENCODING_ISO_8859_5)
                   1005: 2004/02/02: [impl] should check single byte encoding or not in and_cclass()
                   1006:                    and or_cclass().
                   1007: 2004/01/30: [dist] add oniggnu.h.
                   1008: 2004/01/30: [bug]  ISO-8859-7 0xb7 (middle dot) is Punct type.
                   1009: 2004/01/30: [new]  support ISO-8859-8. (ONIG_ENCODING_ISO_8859_8)
                   1010: 2004/01/29: [new]  support ISO-8859-7. (ONIG_ENCODING_ISO_8859_7)
                   1011: 2004/01/29: [new]  support ISO-8859-6. (ONIG_ENCODING_ISO_8859_6)
                   1012: 2004/01/28: [new]  support KOI8-R. (ONIG_ENCODING_KOI8_R)
                   1013: 2004/01/28: [new]  support KOI8. (ONIG_ENCODING_KOI8)
                   1014: 2004/01/27: [dist] rename enc/isotable.c to enc/mktable.c.
                   1015: 2004/01/27: [new]  support ISO-8859-4. (ONIG_ENCODING_ISO_8859_4)
                   1016: 2004/01/26: [new]  support ISO-8859-3. (ONIG_ENCODING_ISO_8859_3)
                   1017: 2004/01/26: [bug]  EncISO_8859_{1,15}_CtypeTable[256] was wrong.
                   1018:                    (0x80 - 0xff is not ASCII)
                   1019: 2004/01/23: [new]  support ISO-8859-2. (ONIG_ENCODING_ISO_8859_2)
                   1020: 2004/01/23: [dist] add enc/isotable.c.
                   1021: 2004/01/22: [new]  support EUC-TW. (ONIG_ENCODING_EUC_TW)
                   1022: 2004/01/22: [bug]  definition of GET_ALIGNMENT_PAD_SIZE() and
                   1023:                    ALIGNMENT_RIGHT() was wrong.
                   1024:                    type casting should be unsigned int, not int.
                   1025: 2004/01/22: [impl] add defined(__x86_64) || defined(__x86_64__)
                   1026:                    to unaligned word access condition. (AMD64 ?)
                   1027: 2004/01/21: [dist] rename enc/eucjp.c to enc/euc_jp.c.
                   1028: 2004/01/21: [new]  support EUC-KR. (ONIG_ENCODING_EUC_KR)
                   1029: 2004/01/20: [test] success in ruby 1.8.0 (2003-08-08) [i386-cygwin].
                   1030: 2004/01/20: [dist] change Makefile.in.
                   1031: 2004/01/20: [spec] add \p{...}, \P{...} in char class.
                   1032: 2004/01/20: [new]  character property operators \p{...}, \P{...}.
                   1033:                    supported in ONIG_SYNTAX_JAVA and ONIG_SYNTAX_PERL.
                   1034: 2004/01/19: [spec] allow /a{,n}/ as /a{0,n}/. (but don't allow /a{,}/)
                   1035: 2004/01/19: [dist] rename onigcomp200.h to onigcmpt200.h.
                   1036: 2004/01/19: [dist] update re.c.168.patch. svn add re.c.181.patch.
                   1037: 2004/01/16: [dist] update sample/*.c for new API.
                   1038: 2004/01/16: [dist] add onigcomp200.h. (for old API compatibility)
                   1039: 2004/01/16: [dist] update documents API, RE and RE.ja.
                   1040: 2004/01/16: [spec] change prefix REG_ -> ONIG_, regex_ onig_,
                   1041:                    ENC_ -> ONIGENC, enc_ -> onigenc_.
                   1042: 2004/01/15: [impl] rename ENC_IS_MBC_E_WORD() to ENC_IS_MBC_WORD().
                   1043:                    rename ENC_CTYPE_SUPPORT_LEVEL_SB_ONLY to
                   1044:                    ENC_CTYPE_SUPPORT_LEVEL_SB.
                   1045: 2004/01/14: [impl] rename UNALIGNED_WORD_ACCESS to
                   1046:                    PLATFORM_UNALIGNED_WORD_ACCESS.
                   1047: 2004/01/14: [impl] change MATCH_STACK_LIMIT_SIZE value from 200000 to 500000.
                   1048: 2004/01/13: [impl] remove ENC_CODE_TO_MBC_FIRST(enc,code) in regenc.h.
                   1049:                    remove code_to_mbc_first member in RegCharEncodingType.
                   1050: 2004/01/13: [impl] remove head byte bitset information in cclass->mbuf.
                   1051: 2003/12/26: [impl] change macro name ismb_xxxx() in enc/*.c for
                   1052:                    escape conflict.
                   1053: 
                   1054: 2003/12/24: Version 2.0.0
                   1055: 
                   1056: 2003/12/24: [spec] ignore case option is effective to numbered char.
                   1057:                    ex. /\x61/i =~ "A"
                   1058: 2003/12/24: [test] success in ruby 1.8.1 (2003-12-24) [i686-linux].
                   1059: 2003/12/24: [test] success in ruby 1.8.0 (2003-08-08) [i386-cygwin].
                   1060: 2003/12/24: [test] success in ruby 1.8.0 (2003-08-08) [i386-mswin32].
                   1061: 2003/12/24: [test] success in regex.c compile test on ruby-m17n.
                   1062:                    (but can't make miniruby because re.c patch fail.)
                   1063: 2003/12/24: [bug]  (thanks H.Miyamoto) /[\W]/ was wrong in 1.9.5.
                   1064: 2003/12/22: [spec] implement fold match on UTF-8 encoding.
                   1065: 2003/12/19: [impl] add ctype_support_level and ctype_add_codes() member to
                   1066:                    RegCharEncoding type.
                   1067: 2003/12/19: [impl] add add_ctype_to_cc() in regparse.c.
                   1068: 2003/12/19: [impl] add enc_is_code_ctype() in REG_RUBY_M17N case.
                   1069: 2003/12/19: [impl] change ENC_CODE_TO_MBC() interface.
                   1070: 2003/12/18: [new]  implement fold match. (variable number of char
                   1071:                    match in ignore case mode.)
                   1072:                    ex. German alphabet ess-tsett(U+00DF) match "SS" and "ss".
                   1073: 2003/12/17: [impl] refactoring of encoding system.
                   1074: 2003/12/17: [impl] add enc_init() in regenc.c.
                   1075: 2003/12/17: [new]  support Big5. (REG_ENCODING_BIG5)
                   1076: 2003/12/16: [impl] change CodePoint from unsigned int to unsigned long.
                   1077: 2003/12/16: [new]  support ISO 8859-15. (REG_ENCODING_ISO_8859_15)
                   1078: 2003/12/16: [impl] change P_() macro definition condition for Win32.
                   1079: 2003/12/16: [dist] add sample/encode.c
                   1080: 2003/12/16: [new]  support ISO 8859-1. (REG_ENCODING_ISO_8859_1)
                   1081: 2003/12/15: [impl] rename IS_ENC_XXXX to ENC_IS_XXXX.
                   1082: 2003/12/15: [impl] rename RegDefaultCharEncoding to EncDefaultCharEncoding.
                   1083: 2003/12/15: [impl] divide encoding files. (enc/ascii.c, enc/utf8.c etc...)
                   1084: 2003/12/15: [bug]  unexpected infinite loop in regex_snprintf_with_pattern().
                   1085:                    change local var. type char* to UChar*.
                   1086: 2003/12/15: [impl] remove REG_MBLEN_TABLE[].
                   1087: 2003/12/15: [spec] rename function prefix regex_get_prev_char_head(),
                   1088:                    regex_get_left_adjust_char_head() and
                   1089:                    regex_get_right_adjust_char_head() to enc_xxxxxx().
                   1090: 2003/12/15: [impl] rename function prefixes in regenc.h from regex_ to enc_.
                   1091: 2003/12/12: [impl] remove USE_SBMB_CLASS.
                   1092: 2003/12/12: [impl] rename mb -> mbc, mblen() to enc_len().
                   1093: 2003/12/12: [impl] rename WCINT to CodePoint.
                   1094: 2003/12/11: [impl] delete IS_XXXX() ctype macros from regint.h.
                   1095: 2003/12/11: [impl] add enc->wc_is_ctype() and RegAsciiCtypeTable[256].
                   1096: 2003/12/11: [impl] remove RegAsciiCaseAmbigTable.
                   1097: 2003/12/10: [impl] use ENC_TO_LOWER() for ignore case comparison.
                   1098: 2003/12/08: [impl] *** re-defined RegCharEncoding in oniguruma.h. ***
                   1099: 2003/12/08: [impl] add USE_POSIX_REGION_OPTION to regint.h.
                   1100: 2003/12/08: [impl] add IS_ENC_WORD() to regenc.h.
                   1101: 2003/12/05: [impl] rename IS_CODE_XXXX() to IS_ENC_XXXX().
                   1102: 2003/12/05: [impl] delete IS_CODE_WORD() from regenc.h.
                   1103: 2003/12/04: [spec] rename REG_SYN_OP_BACK_REF to REG_SYN_OP_DECIMAL_BACKREF.
                   1104: 2003/12/04: [spec] add (REG_SYN_OP_ESC_W_WORD | REG_SYN_OP_ESC_B_WORD_BOUND |
                   1105:                    REG_SYN_OP_ESC_LTGT_WORD_BEGIN_END | REG_SYN_OP_BACK_REF)
                   1106:                    to RegSyntaxGrep.
                   1107: 2003/12/04: [spec] remove REG_ENCODING_DEFAULT and REGCODE_DEFAULT.
                   1108: 2003/12/04: [spec] move declarations of regex_get_default_encoding() and
                   1109:                    regex_set_default_encoding() from oniguruma.h to regenc.h.
                   1110: 2003/12/03: [new]  add regex_get_default_encoding() and
                   1111:                    regex_set_default_encoding().
                   1112: 2003/12/03: [spec] REG_ENCODING_DEFAULT meaning is changed.
                   1113:                    (current default value, not initial default value.)
                   1114: 2003/12/03: [spec] REGCODE_XXX is obsoleted. use REG_ENCODING_XXX.
                   1115: 2003/12/02: [memo] alias svnst='svn status | grep -v "^\?"'
                   1116: 2003/12/02: [spec] move regex_set_default_trans_table() declaration
                   1117:                    from oniguruma.h to regenc.h. (obsoleted API)
                   1118: 2003/12/02: [impl] move variables RegDefaultCharEncoding, DefaultTransTable and
                   1119:                    AmbiguityTable to regenc.c.
                   1120: 2003/12/01: [impl] add regex_continuous_sbmb() to regenc.c.
                   1121: 2003/12/01: [dist] add regenc.h and regenc.c.
                   1122: 2003/11/18: [dist] change testconv.rb.
                   1123: 2003/11/18: [bug]  (thanks Masaru Tsuda)
                   1124:                    memory leak in parse_subexp().
                   1125: 2003/11/18: [bug]  (thanks Masaru Tsuda)
                   1126:                    memory leak in names_clear() and parse_char_class().
                   1127: 2003/11/17: [bug]  memory leak in parse_char_class().
                   1128: 2003/11/17: [bug]  (thanks Masaru Tsuda)
                   1129:                    OptExactInfo length should not over OPT_EXACT_MAXLEN.
                   1130:                    (concat_opt_exact_info_str())
                   1131: 
                   1132: 2003/11/12: Version 1.9.5
                   1133: 
                   1134: 2003/11/12: [test] success in ruby 1.8.0 (2003-08-08) [i386-cygwin].
                   1135: 2003/11/12: [test] success in ruby 1.8.1 (2003-11-11) [i686-linux].
                   1136: 2003/11/12: [spec] add definition of REG_INEFFECTIVE_META_CHAR.
                   1137: 2003/11/11: [dist] add a sample program sample/sql.c.
                   1138: 2003/11/11: [new]  add variable meta character.
                   1139:                    regex_set_meta_char()
                   1140: 2003/11/11: [spec] add syntax op. REG_SYN_OP_VARIABLE_META_CHARS.
                   1141: 2003/11/11: [spec] rename REG_SYN_OP_ESC_CAPITAL_Q_QUOTE to
                   1142:                    REG_SYN_OP2_ESC_CAPITAL_Q_QUOTE,
                   1143:                    REG_SYN_OP_QMARK_GROUP_EFFECT to 
                   1144:                    REG_SYN_OP2_QMARK_GROUP_EFFECT.
                   1145: 2003/11/06: [impl] define THREAD_PASS as rb_thread_schedule() in Ruby mode.
                   1146: 2003/11/05: [spec] add syntax behavior REG_SYN_WARN_REDUNDANT_NESTED_REPEAT.
                   1147: 2003/11/05: [spec] rename REG_SYN_WARN_FOR_CC_OP_NOT_ESCAPED to
                   1148:                    REG_SYN_WARN_CC_OP_NOT_ESCAPED.
                   1149: 2003/11/04: [new]  add regex_set_warn_func() and regex_set_verb_warn_func().
                   1150: 2003/10/30: [new]  add regex_name_to_backref_number().
                   1151:                    (for multiplex definition name, see sample/names.c)
                   1152: 2003/10/30: [spec] add name_end and reg argument to callback function of
                   1153:                    regex_foreach_name().  (see sample/names.c)
                   1154: 2003/10/29: [spec] add syntax behavior REG_SYN_ALLOW_MULTIPLEX_DEFINITION_NAME.
                   1155:                    add error code REGERR_MULTIPLEX_DEFINED_NAME.
                   1156: 2003/10/14: [dist] modify sample/simple.c.
                   1157: 2003/10/03: [bug]  (thanks nobu)  [ruby-dev:21472]
                   1158:                    sub-anchor of optimization map info was wrong
                   1159:                    in concat_left_node_opt_info().
                   1160:                    ex. /^(x?y)/ = "xy" fail. 
                   1161: 
                   1162: 2003/09/17: Version 1.9.4
                   1163: 
                   1164: 2003/09/17: [spec] change specification of char-class range in ignore case mode
                   1165:                    follows with Ruby 1.8(2003-09-17).
                   1166:                    ex. /[H-c]/i ==> (H-Z, 0x5b-0x60, a-c)/i
                   1167:                                 ==> H-Z, h-z, 0x5b-0x60, a-c, A-C
                   1168: 2003/09/16: [bug]  (thanks Guy Decoux)
                   1169:                    remove env->option == option check in parse_effect().
                   1170:                    change env->option for dynamic option in parse_exp().
                   1171:                    (ex. bad match /(?i)(?-i)a/ =~ "A")
                   1172: 2003/09/12: [spec] rename REG_SYN_ALLOW_RANGE_OP_IN_CC to
                   1173:                    REG_SYN_ALLOW_DOUBLE_RANGE_OP_IN_CC,
                   1174:                    REG_SYN_ESCAPE_IN_CC to REG_SYN_BACKSLASH_ESCAPE_IN_CC.
                   1175: 2003/09/11: [bug]  change to IS_SYNTAX_OP2 at REG_SYN_OP2_ESC_GNU_BUF_ANCHOR.
                   1176: 2003/09/09: [spec] rename REG_SYN_OP2_ESC_M_BAR_META to
                   1177:                    REG_SYN_OP2_ESC_CAPITAL_M_BAR_META,
                   1178:                    REG_SYN_OP_ESC_Q_QUOTE to REG_SYN_OP_ESC_CAPITAL_Q_QUOTE,
                   1179:                    REG_SYN_OP_ESC_SUBEXP to REG_SYN_OP_ESC_LPAREN_SUBEXP,
                   1180:                    REG_SYN_OP_ESC_BUF_ANCHOR to REG_SYN_OP_ESC_AZ_BUF_ANCHOR,
                   1181:                    REG_SYN_OP_ESC_GNU_BUF_ANCHOR to
                   1182:                    REG_SYN_OP2_ESC_GNU_BUF_ANCHOR,
                   1183:                    REG_SYN_OP_ESC_CONTROL_CHAR to REG_SYN_OP_ESC_CONTROL_CHARS,
                   1184:                    REG_SYN_OP_ESC_WORD to REG_SYN_OP_ESC_W_WORD,
                   1185:                    REG_SYN_OP_ESC_WORD_BEGIN_END to
                   1186:                    REG_SYN_OP_ESC_LTGT_WORD_BEGIN_END,
                   1187:                    REG_SYN_OP_ESC_WORD_BOUND to REG_SYN_OP_ESC_B_WORD_BOUND,
                   1188:                    REG_SYN_OP_ESC_WHITE_SPACE to REG_SYN_OP_ESC_S_WHITE_SPACE,
                   1189:                    REG_SYN_OP_ESC_DIGIT to REG_SYN_OP_ESC_D_DIGIT,
                   1190:                    REG_SYN_OP_CC to REG_SYN_OP_BRACKET_CC,
                   1191:                    REG_SYN_OP2_CCLASS_SET to REG_SYN_OP2_CCLASS_SET_OP,
                   1192:                    REG_SYN_CONTEXT_INDEP_OPS to
                   1193:                    REG_SYN_CONTEXT_INDEP_REPEAT_OPS,
                   1194:                    REG_SYN_CONTEXT_INVALID_REPEAT_OPS to
                   1195:                    REG_SYN_CONTEXT_INVALID_REPEAT_OPS.
                   1196:                    add REG_SYN_OP_ESC_CAPITAL_G_BEGIN_ANCHOR.
                   1197: 2003/09/08: [spec] rename REG_SYN_OP_ANYCHAR to REG_SYN_OP_DOT_ANYCHAR,
                   1198:                    REG_SYN_OP_0INF to REG_SYN_OP_ASTERISK_ZERO_INF,
                   1199:                    REG_SYN_OP_ESC_0INF to REG_SYN_OP_ESC_ASTERISK_ZERO_INF,
                   1200:                    REG_SYN_OP_1INF to REG_SYN_OP_PLUS_ONE_INF,
                   1201:                    REG_SYN_OP_ESC_1INF to REG_SYN_OP_ESC_PLUS_ONE_INF,
                   1202:                    REG_SYN_OP_0INF to REG_SYN_OP_QMARK_ZERO_ONE,
                   1203:                    REG_SYN_OP_ESC_0INF to REG_SYN_OP_ESC_QMARK_ZERO_ONE,
                   1204:                    REG_SYN_OP_INTERVAL to REG_SYN_OP_BRACE_INTERVAL,
                   1205:                    REG_SYN_OP_ESC_INTERVAL to REG_SYN_OP_ESC_BRACE_INTERVAL,
                   1206:                    REG_SYN_OP_SUBEXP to REG_SYN_OP_LPAREN_SUBEXP,
                   1207:                    REG_SYN_OP_ALT to REG_SYN_OP_VBAR_ALT,
                   1208:                    REG_SYN_OP_ESC_ALT to REG_SYN_OP_ESC_VBAR_ALT,
                   1209:                    REG_SYN_OP_NON_GREEDY to REG_SYN_OP_QMARK_NON_GREEDY,
                   1210:                    REG_SYN_OP_SUBEXP_EFFECT to REG_SYN_OP_QMARK_GROUP_EFFECT,
                   1211:                    REG_SYN_OP2_POSSESSIVE_{REPEAT,INTERVAL} to
                   1212:                    REG_SYN_OP2_PLUS_POSSESSIVE_{REPEAT,INTERVAL},
                   1213:                    REG_SYN_OP2_SUBEXP_CALL to REG_SYN_OP2_ESC_G_SUBEXP_CALL,
                   1214:                    REG_SYN_OP2_NAMED_GROUP to REG_SYN_OP2_QMARK_LT_NAMED_GROUP
                   1215:                    and REG_SYN_OP2_ESC_K_NAMED_BACKREF.
                   1216: 2003/09/02: [tune] call reduce_nested_qualifier() after disabling capture for
                   1217:                    no-name group in noname_disable_map().
                   1218:                    ex. /(a+)*(?<name>...)/
                   1219: 2003/09/02: [impl] include <stdio.h> is forgotten to erase in regcomp.c.
                   1220: 2003/09/01: [dist] update doc/RE and doc/RE.ja.
                   1221: 2003/08/26: [bug]  (thanks Guy Decoux)
                   1222:                    should not double free node at the case TK_CC_CC_OPEN
                   1223:                    in parse_char_class().  
                   1224: 
                   1225: 2003/08/19: Version 1.9.3
                   1226: 
                   1227: 2003/08/19: [inst] change re.c.180.patch.
                   1228: 2003/08/19: [impl] rename 'list of captures' to 'capture history'.
                   1229: 2003/08/19: [dist] add doc/RE.ja. (Japanese)
                   1230: 2003/08/19: [new]  add regex_copy_syntax().
                   1231: 2003/08/19: [spec] rename REG_SYN_OP2_ATMARK_LIST_OF_CAPTURES to
                   1232:                    REG_SYN_OP2_ATMARK_CAPTURE_HISTORY.
                   1233: 2003/08/18: [spec] (thanks nobu)
                   1234:                    don't use IMPORT in oniguruma.h and onigposix.h.
                   1235: 2003/08/18: [impl] (thanks nobu) change error output to stdout in testconv.rb. 
                   1236: 2003/08/18: [inst] (thanks nobu) lacked $(srcdir) in Makefile.in.  
                   1237: 2003/08/18: [bug]  REG_MBLEN_TABLE[SJIS][0xFD-0xFF] should be 1.
                   1238: 2003/08/18: [bug]  (thanks nobu) mbctab_sjis[0x80] should be 0.
                   1239: 2003/08/18: [bug]  (thanks nobu)
                   1240:                    single/multi-byte decision was wrong in parse_char_class().
                   1241:                    add regex_wc2mblen().
                   1242:                    should not set fetched to 1 in TK_RAW_BYTE case.
                   1243: 2003/08/18: [bug]  should update BitSet in the case inc_n >= 0
                   1244:                    in add_wc_range_to_buf().
                   1245: 2003/08/13: [bug]  change re.c.180.patch for fix rb_reg_to_s() in re.c.
                   1246: 2003/08/11: [bug]  should clear region->list in regex_region_resize().
                   1247: 
                   1248: 2003/08/08: Version 1.9.2
                   1249: 
                   1250: 2003/08/08: [test] success in ruby 1.8.0 (2003-08-08) on Windows 2000
                   1251:                    VC++ 6.0 and Cygwin.
                   1252: 2003/08/08: [impl] don't define macro vsnprintf for WIN32 platform,
                   1253:                    because definition is added in win32\win32.h.
                   1254: 2003/08/08: [test] success in ruby 1.8.0 and ruby 1.6.8(2003-08-03) on Linux.
                   1255: 2003/08/08: [dist] change re.c.180.patch and re.c.168.patch.
                   1256: 2003/08/08: [new]  (thanks akr)
                   1257:                    implemented list of captures. (?@...), (?@<name>...)
                   1258: 2003/08/07: [dist] add sample/listcap.c.
                   1259: 2003/08/06: [bug]  OP_MEMORY_END_PUSH_REC case in match_at().
                   1260:                    renewal of mem_start_stk[] should be after
                   1261:                    STACK_PUSH_MEM_END() call.
                   1262: 2003/07/29: [new]  add regex_get_encoding(), regex_get_options() and
                   1263:                    regex_get_syntax().
                   1264: 2003/07/25: [spec] (thanks akr)
                   1265:                    change group(...) to shy-group(?:...) if named group is 
                   1266:                    used in the pattern.
                   1267:                    add REG_SYN_CAPTURE_ONLY_NAMED_GROUP.
                   1268: 2003/07/24: [spec] rename REG_OPTION_CAPTURE_ONLY_NAMED_GROUP to
                   1269:                    REG_OPTION_DONT_CAPTURE_GROUP.
                   1270:                    add REG_OPTION_CAPTURE_GROUP.
                   1271: 2003/07/17: [spec] rename REG_SYN_OP2_NAMED_SUBEXP to REG_SYN_OP2_NAMED_GROUP.
                   1272: 2003/07/17: [spec] add REGERR_EMPTY_GROUP_NAME.
                   1273: 2003/07/17: [spec] rename REGERR_INVALID_SUBEXP_NAME
                   1274:                        to REGERR_INVALID_CHAR_IN_GROUP_NAME.
                   1275: 2003/07/17: [spec] restrict usable chars of group name to alphabet, digit,
                   1276:                    '_' or multibyte-char in fetch_name(). [ruby-dev:20706]
                   1277: 2003/07/16: [impl] minor change of sample/names.c.
                   1278: 2003/07/14: [impl] rename USE_NAMED_SUBEXP to USE_NAMED_GROUP.
                   1279: 2003/07/14: [bug]  add fetch_name() for USE_NAMED_SUBEXP off case.
                   1280: 2003/07/14: [API]  add regex_number_of_names().
                   1281: 2003/07/08: [impl] change error message for undefined group number call.
                   1282:                        'undefined group reference: /(a)\g<2>/'
                   1283:                    --> 'undefined group <2> reference: /(a)\g<2>/'
                   1284: 2003/07/08: [dist] modify doc/RE.
                   1285: 2003/07/07: [impl] OP_SET_OPTION is not needed in compiled code.
                   1286:                    add IS_DYNAMIC_OPTION() to regint.h.
                   1287: 2003/07/07: [spec] called group should not ignore outside option (?i:...).
                   1288:                    ex. /(?i:(?<n>(a)\2)){0}\g<n>/.match("aA")
                   1289:                    add opcode OP_BACKREFN_IC and OP_BACKREF_MULTI_IC.
                   1290:                    set option status to effect memory in optimize_node_left().
                   1291: 2003/07/07: [impl] add opcode OP_ANYCHAR_ML, OP_ANYCHAR_ML_STAR and
                   1292:                    OP_ANYCHAR_ML_START_PEEK_NEXT.
                   1293: 2003/07/07: [bug]  (thanks nobu) REG_MBLEN_TABLE[SJIS][0x80] should be 1. 
                   1294: 2003/07/07: [spec] rename REG_SYN_OP_QUOTE to REG_SYN_OP_ESC_Q_QUOTE.
                   1295: 
                   1296: 2003/07/04: Version 1.9.1
                   1297: 
                   1298: 2003/07/04: [new]  add REG_OPTION_CAPTURE_ONLY_NAMED_GROUP. (thanks .NET)
                   1299: 2003/07/04: [spec] check mbuf member in the case of
                   1300:                    REG_SYN_NOT_NEWLINE_IN_NEGATIVE_CC in parse_char_class().
                   1301: 2003/07/04: [spec] typo REG_SYN_WARN_FOR_CC_OP_NOT_ESCAPEED.
                   1302:                    should be REG_SYN_WARN_FOR_CC_OP_NOT_ESCAPED.
                   1303: 2003/07/04: [bug]  conflict values on REG_SYN_WARN_FOR_CC_OP_NOT_ESCAPEED and
                   1304:                    REG_SYN_NOT_NEWLINE_IN_NEGATIVE_CC.  (thanks nobu)
                   1305: 2003/07/03: [spec] add REG_SYN_OP_ESC_CONTROL_CHAR flag.
                   1306: 2003/07/03: [spec] remove REG_SYN_OP_ESC_OCTAL3 and REG_SYN_OP_ESC_X_HEX2
                   1307:                    flag from RegSyntaxGnuRegex.
                   1308: 2003/07/03: [spec] remove REG_SYN_OP_NON_GREEDY flag from RegSyntaxGnuRegex.
                   1309: 2003/07/02: [dist] fix doc/RE.
                   1310: 2003/07/01: [impl] add config flag USE_VARIABLE_SYNTAX.
                   1311:                    (turn off variable syntax on Ruby)
                   1312: 2003/07/01: [spec] add syntax behavior REG_SYN_DIFFERENT_LEN_ALT_LOOK_BEHIND.
                   1313: 2003/06/30: [spec] allow different length top-level alternatives
                   1314:                    in look-behind.    ex. (?<=abc|abcd), (?<!a|bc)
                   1315: 2003/06/26: [spec] add option REG_OPTION_NEGATE_SINGLELINE.
                   1316: 2003/06/26: [spec] should default on REG_OPTION_SINGLELINE
                   1317:                    for REG_SYNTAX_PERL and REG_SYNTAX_JAVA.
                   1318: 2003/06/26: [impl] add options member to RegStntaxType.
                   1319: 2003/06/26: [spec] don't change the meaning of '\Z' for REG_OPTION_SINGLELINE.
                   1320: 2003/06/25: [dist] don't use option REG_NEWLINE for sample/posix.c.
                   1321: 2003/06/25: [dist] modify testconv.rb.
                   1322:                    should match and convert double quoted string data.
                   1323:                    ex. x(/\ca/, "\001", 0, 1)
                   1324: 2003/06/25: [impl] add REG_SYN_OP2_ESC_CAPITAL_C_BAR_CONTROL and
                   1325:                    REG_SYN_OP2_ESC_M_BAR_META.
                   1326: 2003/06/25: [impl] add REG_SYN_OP_ESC_OCTAL3 and REG_SYN_OP_ESC_X_HEX2.
                   1327: 2003/06/24: [impl] add REG_SYN_OP2_ESC_V_VTAB. (\v is VTAB)
                   1328: 2003/06/24: [bug]  should invert REG_OPTION_SINGLELINE flag
                   1329:                    in REG_SYN_OP2_OPTION_PERL.
                   1330: 2003/06/24: [impl] add REG_SYN_OP2_OPTION_PERL and REG_SYN_OP2_OPTION_RUBY.
                   1331:                    meaning of (?m) and (?s) are depend on syntax.
                   1332: 
                   1333: 2003/06/20: Version 1.9.0
                   1334: 
                   1335: 2003/06/20: [spec] \Q...\E is not effective on REG_SYNTAX_RUBY. (thanks akr)
                   1336: 2003/06/19: [inst] rename regex.h to oniguruma.h.
                   1337: 2003/06/18: [impl] change REG_EXTERN setting condition. (__CYGWIN__)
                   1338: 2003/06/18: [bug]  return wrong result UTF-8 case in regex_mb2wc().
                   1339: 2003/06/18: [impl] add REG_SYN_OP2_POSSESSIVE_INTERVAL.  a{n,m}+
                   1340: 2003/06/18: [new]  add REG_SYNTAX_JAVA.
                   1341: 2003/06/18: [spec] add REG_SYN_OP_QUOTE.
                   1342: 2003/06/18: [spec] add op2 member to RegSyntaxType.
                   1343:                    rename some REG_SYN_OP_XXX to REG_SYN_OP2.
                   1344: 2003/06/16: [new]  Perl-like quotation operator \Q, \E.
                   1345: 2003/06/16: [spec] should not control ignore case mode by escaped char.
                   1346:                    ex. /\J/i =~ "j", /[\J]/i =~ "j"    (same as Perl)
                   1347: 2003/06/13: [bug]  modify onigposix.h.
                   1348: 2003/06/13: [bug]  should use -DIMPORT for link with DLL in win32/Makefile.
                   1349: 2003/06/13: [dist] add sample/names.c
                   1350: 2003/06/12: [bug]  range should be from - 1 in not_wc_range_buf().
                   1351: 2003/06/12: [spec] should warn for '-' before '&&' operator in char-class.
                   1352: 2003/06/12: [new]  add REG_SYNTAX_PERL.
                   1353: 2003/06/12: [spec] add syntax behavior REG_SYN_WARN_FOR_CC_OP_NOT_ESCAPEED.
                   1354: 2003/06/12: [spec] invalid POSIX bracket should be error.   ex. [[:upper :]]
                   1355: 2003/06/11: [new]  char-class in char-class (as Java(TM)).
                   1356: 2003/06/11: [spec] change AND operator in char-class from &&[..] to &&. 
                   1357: 2003/06/04: [spec] {n,m}+ should not be possessive operator.
                   1358:                    ex. a{3}+ should be (?:a{3})+
                   1359: 2003/06/03: [bug]  should compare strings with min-length in is_not_included().
                   1360: 2003/06/03: [impl] automatic possessivate optimization.  a*b ==> (?>a*)b
                   1361:                    (thanks Jeffrey E. F. Friedl)
                   1362: 2003/06/02: [impl] remove multibyte-BitSet for OP_CCLASS_MB/OP_CCLASS_MB_NOT.
                   1363: 2003/05/30: [new]  char class intersection operator &&[...] like Java(TM).
                   1364:                    (thanks akr)
                   1365: 2003/05/30: [bug]  should use bbuf_free() for CClassNode in regex_node_free().
                   1366: 2003/05/29: [bug]  wrong usage of syntax REG_SYN_ALLOW_EMPTY_RANGE_IN_CC.
                   1367:                    /[d-a]/ should be error.
                   1368: 2003/05/28: [impl] optimize stop-backtrack compiled code.
                   1369:                    (/(?>a*)/, /(?>\w+)/ etc...)
                   1370:                    add OP_POP opcode.
                   1371: 2003/05/28: [new]  possessive repeat operator. (?+, *+, ++, {n,m}+)
                   1372: 2003/05/27: [spec] '-' at beginning of char-class should be warn only if
                   1373:                    it is start of range.  (ex. /[--a]/)
                   1374: 2003/05/27: [spec] should not warn for right bracket at beginning of pattern.
                   1375:                    ex. /]aaa/
                   1376: 2003/05/27: [spec] change CCEND_ESC_WARN() from VERB_WARNING() to WARNING().
                   1377: 2003/05/27: [spec] /[]aaa/ should be empty char-class error.
                   1378:                    /[]aaa]/ should be warn for 'without backslash'.
                   1379:                    (add char_exist_check() in regparse.c)
                   1380: 2003/05/26: [bug]  OP_REPEAT in recursive subexp call.
                   1381:                    ex. /(?<n>(a|b\g<n>c){3,5})/.match("baaaaca") => "baaaaca"
                   1382:                        was wrong result. (should be "aaaa")
                   1383: 2003/05/26: [impl] add num_call member to regex_t.
                   1384: 2003/05/26: [impl] add repeat_range member to regex_t.
                   1385:                    (for delete upper,lower members from StackType.u.repeat)
                   1386: 2003/05/26: [bug]  change print_names() to external regex_print_names().
                   1387: 2003/05/26: [tune] change OP_NULL_CHECK_END process in match_at().
                   1388: 2003/05/26: [spec] change CCEND_ESC_WARN() from WARNING() to VERB_WARNING().
                   1389: 2003/05/26: [spec] remove POSIXLINE option. (?p:...)
                   1390:                    (be made the same as Ruby.)
                   1391: 2003/05/22: [spec] use OP_NULL_CHECK_XXX only if repeat is infinite.
                   1392:                    prev. /(?:()|()){0,10}\1\2/ =~ ""  ==> FAIL
                   1393:                    now   /(?:()|()){0,10}\1\2/ =~ ""  ==> MATCH
                   1394: 
                   1395: 2003/05/22: [impl] change target_empty setting condition in setup_tree().
                   1396: 2003/05/19: [impl] avoid zero length repeat optimization.  (thanks matz)
                   1397:                    /()*/ ==> /()?/, /()+/ ==> /()/ etc...
                   1398: 2003/05/19: [impl] minor changes for gcc -Wall. (-DREG_DEBUG_STATISTICS case)
                   1399: 2003/05/19: [spec] rename regex_foreach_names() to regex_foreach_name().
                   1400: 2003/05/16: [new]  add --with-statistics option to configure.
                   1401: 2003/05/16: [bug]  move RegOpInfo[] definition to regint.h.
                   1402: 2003/05/16: [new]  add regex_version().
                   1403: 
                   1404: 2003/05/14: Version 1.8.6
                   1405: 
                   1406: 2003/05/14: [bug]  use _vsnprintf() on Win32.
                   1407: 2003/05/14: [spec] define USE_NEWLINE_AT_END_OF_STRING_HAS_EMPTY_LINE.
                   1408:                    (/\n$/ =~ "\n", /\n\Z/ =~ "\n") [ruby-dev:20125]
                   1409: 2003/05/14: [impl] minor changes for gcc -Wall.
                   1410: 2003/05/14: [impl] add string.h check in AC_CHECK_HEADERS().
                   1411: 2003/05/13: [impl] minor changes for gcc -Wall.
                   1412: 2003/05/13: [impl] add regex_snprintf_with_pattern().
                   1413: 2003/05/13: [spec] add warning for char class meta character without escape
                   1414:                    in Ruby mode ('[', '-', ']').
                   1415: 2003/05/13: [impl] define WARNING() and VERB_WARNING() in regint.h.
                   1416: 2003/05/13: [bug]  correct is_code_ascii() for /[[:ascii:]]/.
                   1417: 2003/05/12: [dist] add regular expression document (doc/RE).
                   1418: 2003/05/12: [spec] specification of $(END_LINE) was made the same as Ruby 1.8.
                   1419:                    [ruby-dev:20130]     (thanks matz)
                   1420: 2003/05/12: [memo] shifted to Subversion(version 0.21.0) from CVS.
                   1421: 
                   1422: 2003/03/19: Version 1.8.5
                   1423: 
                   1424: 2003/03/19: [impl] change REG_EXTERN definition.   (thanks nobu)
                   1425: 2003/03/19: [impl] abbreviation for long error_par in regex_error_code_to_str().
                   1426: 2003/03/18: [dist] change re.c.XXX.patch for GNU regex API changes.
                   1427: 2003/03/18: [spec] change API regex_new(), regex_recompile() and
                   1428:                    regex_error_code_to_str().
                   1429:                    change API re_compile_pattern() and re_recompile_pattern().
                   1430: 2003/03/18: [spec] replace REGERR_END_PATTERN_AT_GROUP_{COMMENT|OPTION} to
                   1431:                    REGERR_END_PATTERN_IN_GROUP.
                   1432: 2003/03/17: [impl] should free err_arg.
                   1433: 2003/03/17: [bug]  mistake(high -> to) in add_wc_range_to_buf().
                   1434: 2003/03/17: [spec] add err_arg argument to regex_new() and regex_recompile().
                   1435:                    for detail error message.  (thanks akr)
                   1436: 
                   1437: 2003/03/12: Version 1.8.4
                   1438: 
                   1439: 2003/03/12: [tune] use cached value of effect node in get_min_match_length().
                   1440: 2003/03/12: [bug]  escaped alphabet should be TK_RAW_BYTE
                   1441:                    in fetch_token() and fetch_token_in_cc().
                   1442: 2003/03/12: [spec] change named backref and subexp call format.
                   1443:                    backref: \k<name>, call: \g<name>     (thanks akr)
                   1444: 2003/03/11: [inst] add regparse.[ch] in win32/Makefile.
                   1445: 2003/03/11: [bug]  if UNALIGNED_WORD_ACCESS isn't setted
                   1446:                    then compile error in unset_addr_list_fix().  (thanks knu)
                   1447: 2003/03/10: [impl] divide regcomp.c to regcomp.c, regparse.c and regparse.h.
                   1448: 2003/03/10: [bug]  should handle multi-byte code name in fetch_name().
                   1449: 2003/03/10: [spec] remove REGERR_TABLE_FOR_IGNORE_CASE_IS_NOT_SETTED.
                   1450: 2003/03/10: [spec] support POSIX API option REG_NOSUB.
                   1451:                    add comp_options member to POSIX API regex_t.
                   1452: 
                   1453: 2003/03/10: Version 1.8.3
                   1454: 
                   1455: 2003/03/10: [bug]  can not compile with Ruby 1.6.8.
                   1456:                    (inconsistent st.h with 1.6 and 1.8)
                   1457:                    use hash table on Ruby 1.8 only.
                   1458: 2003/03/10: [spec] forbid to use '\' in group name.
                   1459: 2003/03/08: [impl] remove check_backref_number().
                   1460: 2003/03/08: [bug]  called group in 0-repeat should not be eliminated from
                   1461:                    compile code.  ex. /(?*n)(?<n>){0}/   (thanks akr)
                   1462:                    add is_refered member to QualifierNode.
                   1463: 2003/03/07: [impl] use hash table(st.[ch]) for implementation of name table.
                   1464:                    (enable on Ruby in default)
                   1465: 2003/03/07: [new]  add regex_foreach_names().
                   1466: 2003/03/06: [impl] add member reg->stack_pop_level.
                   1467: 2003/03/06: [impl] add operator OP_MEMORY_START and member reg->backtrack_mem.
                   1468: 2003/03/06: [bug]  if REG_OPTION_FIND_LONGEST or REG_OPTION_NOT_EMPTY,
                   1469:                    should handle backtrack of MEM_END.
                   1470:                    add OP_MEMORY_END_PUSH and OP_MEMORY_END_PUSH_REC.
                   1471: 2003/03/06: [impl] rename OP_MEMORY_END_PUSH to OP_MEMORY_END_MARK.
                   1472: 2003/03/06: [spec] change error messages.
                   1473: 2003/03/06: [tune] add tiny_pop check in STACK_POP.
                   1474: 
                   1475: 2003/03/05: Version 1.8.2
                   1476: 
                   1477: 2003/03/05: [impl] use cache info in EFFECT_MEMORY case
                   1478:                    in optimize_node_info().
                   1479: 2003/03/05: [impl] add EFFECT_MEMORY node reference count check
                   1480:                    in optimize_node_left().
                   1481: 2003/03/05: [impl] add min-len, max-len, char-len cache in EffectNode.
                   1482: 2003/03/05: [spec] allow to call in look behind. ex. /(?<=(?*a))/
                   1483: 2003/03/05: [bug]  forgotten N_ANCHOR case in check_backref_number(),
                   1484:                    subexp_inf_recursive_check_trav() etc...
                   1485: 2003/03/05: [impl] rename USE_ONIGURUMA_EXTENSION to USE_SBMB_CLASS.
                   1486: 2003/03/04: [impl] add CALL-node info in optimize_node_left().
                   1487: 2003/03/04: [spec] prohibit left recursion of subexp call.   ex. (?<n>|(?*n)a)
                   1488:                    add subexp_inf_recursive_check_trav().
                   1489: 2003/03/04: [spec] rename REG_SYN_STRICT_CHECK_BACKREF_NUMBER
                   1490:                    to REG_SYN_STRICT_CHECK_BACKREF
                   1491: 2003/03/03: [bug]  /(?<n>a(?*n)|)/ isn't infinite recursion.
                   1492:                    fix N_LIST case in subexp_recursive_check(). (thanks akr)
                   1493: 2003/03/03: [bug]  /(?<n>|(?*n))+/ segmentation fault.
                   1494:                    should re-allocate in unset_addr_list_add(). (thanks akr)
                   1495: 
                   1496: 2003/03/01: Version 1.8.1
                   1497: 
                   1498: 2003/03/01: [bug]  change STACK_GET_MEM_START() and STACK_PUSH_MEM_END().
                   1499: 2003/03/01: [new]  add reg_name_to_group_numbers() to POSIX API.
                   1500: 2003/03/01: [impl] use OP_MEMORY_END_PUSH in callable subexp compiled code
                   1501:                    only if subexp is recursive.
                   1502: 2003/03/01: [spec] rename regex_name_to_backrefs() to
                   1503:                    regex_name_to_group_numbers().
                   1504: 2003/02/28: [impl] use function stack_double() instead of macro.
                   1505: 2003/02/28: [new]  subexp call. (?*name)    (thanks akr)
                   1506: 2003/02/28: [spec] add match stack limit check. (MATCH_STACK_LIMIT_SIZE)
                   1507: 2003/02/28: [impl] check recursive subexp call.
                   1508: 2003/02/28: [impl] add opcode OP_MEMORY_END_PUSH for callable subexp.
                   1509: 2003/02/28: [impl] add opcode OP_CALL, OP_RETURN.
                   1510:                    add stack type STK_CALL_FRAME, STK_RETURN, STK_MEM_END.
                   1511: 2003/02/26: [spec] add new syntax behavior REG_SYN_STRICT_CHECK_BACKREF_NUMBER.
                   1512:                    if it is setted, then error /(\1)/, /\1(..)/ etc...
                   1513: 2003/02/26: [spec] if backref number is greater than max group number,
                   1514:                    then return compile error. (REGERR_INVALID_BACKREF_NUMBER)
                   1515: 2003/02/26: [tune] bad implemented N_ALT case in get_min_match_length().
                   1516: 2003/02/26: [dist] auto update testc.c and win32/testc.c in dist target.
                   1517: 2003/02/26: [impl] add -win option to testconv.rb.
                   1518: 2003/02/25: [spec] allow to assign same name to different group.
                   1519:                    add OP_BACKREF_MULTI.
                   1520: 2003/02/24: [impl] reduce redundant repeat of empty target. 
                   1521:                   ex. /()*/ ==> /()?/, /()+/ ==> /()/, /(?:)+/ ==> //
                   1522: 2003/02/24: [impl] change condition in regex_is_allow_reverse_match().
                   1523: 2003/02/24: [impl] convert i(/../, ...) functions in testconv.rb.
                   1524: 2003/02/24: [impl] change name table struct.
                   1525: 
                   1526: 2003/02/22: Version 1.8.0
                   1527: 
                   1528: 2003/02/22: [new]  named subexp, named back reference.  (thanks akr)
                   1529:                    define: (?<name>...), back-ref: \g<name>
                   1530: 2003/02/22: [impl] use str_node_can_be_split().
                   1531: 2003/02/21: [dist] add sample/posix.c
                   1532: 2003/02/21: [spec] rename some error code symbols.
                   1533: 2003/02/21: [spec] max number of multibyte ranges(255) is small.
                   1534:                    255 --> 1000.   (thanks MoonWolf)
                   1535: 2003/02/20: [new]  supported Basic Regular Expression(BRE) in POSIX API.
                   1536:                    (REG_EXTENDED option: Extended RE)
                   1537: 2003/02/20: [new]  variable syntax.
                   1538: 
                   1539: 2003/02/12: Version 1.7.2
                   1540: 
                   1541: 2003/02/12: [bug]  mismatch /\?a/i.match('?A').
                   1542:                    check raw value in scan_make_node() and scan_backslash().
                   1543:                    (thanks Nobu)
                   1544: 2003/02/12: [impl] rename 'max_mem' to 'num_mem' in regex_t.
                   1545: 2003/02/12: [impl] rename 'code' to 'enc' in regex_t.
                   1546: 2003/02/12: [spec] remove transtable argument in regex_new and regex_recompile.
                   1547:                    remove transtable member in regex_t.
                   1548: 2003/02/10: [inst] change backup file suffix name from '.orig' to '.ruby_orig'.
                   1549:                    (win32/Makefile)
                   1550: 2003/02/10: [spec] number check in scan_char_class() ignore-case mode.
                   1551:                    ex. /[\x58-\x64]/i
                   1552: 2003/02/10: [impl] don't use OP_MEMORY_END_PUSH (and STK_MEM_END).
                   1553: 2003/02/10: [impl] lift up head_exact value from child qualifier node to parent.
                   1554: 2003/02/10: [tune] change stack type values.
                   1555: 2003/02/10: [dist] add HISTORY.
                   1556: 2003/02/08: [tune] change stack type values.
                   1557: 2003/02/08: [tune] add STACK_BASE_CHECK().
                   1558: 2003/02/08: [tune] add STACK_PUSH_ENSURED().
                   1559: 2003/02/08: [dist] change contents of doc/API.
                   1560: 2003/02/07: [inst] change backup file suffix name from '.orig' to '.ruby_orig'.
                   1561: 2003/02/07: [spec] range in char-class should be same spec. with Ruby
                   1562:                    in ignore-case mode. (ex. /[A-c]/i == /[a-c]/i)
                   1563:                    (thanks MoonWolf)
                   1564: 2003/02/07: [spec] [!--] should be allowed.    (thanks MoonWolf)
                   1565: 2003/02/07: [dist] refresh re.c.180.patch for re.c (2003-02-06).
                   1566: 
                   1567: 2003/02/07: Version 1.7.1
                   1568: 
                   1569: 2003/02/07: [impl] check first byte of string in ignore-case mode.
                   1570:                    (get_head_exact_node())
                   1571: 2003/02/07: [impl] remove redundant statements in setup_tree().
                   1572: 2003/02/06: [new]  create Win32 DLL.
                   1573: 2003/02/06: [impl] use P_() macro for function prototype.
                   1574: 2003/02/06: [impl] add HAVE_PROTOTYPE, HAVE_STDARG_PROTOTYPES in
                   1575:                    configure.in and config.h.in.
                   1576: 2003/02/06: [spec] /[0-9-a]/ is allowed as usual char '-' and 'a' in Ruby.
                   1577:                    add USE_BETTER_COMPATIBILITY_FOR_ORIGINAL_REGEX in
                   1578:                    regint.h.   (thanks MoonWolf)
                   1579: 2003/02/06: [spec] rename REG_MBCTYPE_XXXX to REG_ENCODING_XXXX in onigposix.h.
                   1580: 2003/02/05: [spec] rename MBCTYPE_XXXX to REG_MBCTYPE_XXXX in onigposix.h.
                   1581: 2003/02/05: [spec] add POSIX API error REG_EONIG_THREAD to onigposix.h.
                   1582: 2003/02/05: [dist] add .cvsignore file.
                   1583: 
                   1584: 2003/02/04: Version 1.7
                   1585: 
                   1586: 2003/02/04: [bug]  typo miss in regex_region_copy().
                   1587: 2003/02/04: [impl] change THREAD_PASS macro. (regint.h)
                   1588: 2003/02/04: [dist] add API document file doc/API.
                   1589: 2003/02/04: [tune] if sub_anchor has ANCHOR_BEGIN_LINE then 
                   1590:                    set REG_OPTIMIZE_EXACT_BM in set_optimize_exact_info().
                   1591: 2003/02/04: [spec] reimplement regex_clone() and it is obsoleted.
                   1592: 2003/02/04: [bug]  add REGERR_OVER_THREAD_PASS_LIMIT_COUNT
                   1593:                    to regerror.c regposix.c.
                   1594: 2003/02/03: [bug]  Hankaku-Kana may be second byte in Shift_JIS
                   1595:                    regex_is_allow_reverse_match().
                   1596: 2003/02/03: [impl] add optimization type REG_OPTIMIZE_EXACT_BM_NOT_REV.
                   1597:                    remove exact_allow_reverse_match member in regex_t.
                   1598: 2003/02/03: [impl] add exact_allow_reverse_match member in regex_t.
                   1599: 2003/02/03: [impl] compile-search conflict in regex_search() is handled.
                   1600: 2003/02/01: [tune] decrease regex_region_clear() calling from regex_search().
                   1601: 2003/02/01: [tune] remove region argument from match_at().
                   1602: 2003/01/31: [tune] don't use strlen() in regexec() and regcomp().
                   1603: 2003/01/31: [tune] decrease regex_reduce_chain() calling in regex_search().
                   1604: 2003/01/31: [bug]  STRING_CMP() in regexec.c was wrong in ignore-case.
                   1605: 2003/01/31: [impl] convert to lower-case char at string compile time.
                   1606:                    change SBTRANSCMP() in regexec.c.
                   1607: 2003/01/31: [impl] rename TTRANS() to TOLOWER().
                   1608: 2003/01/30: [bug]  .c.o --> .c.obj in win32\Makefile.
                   1609: 2003/01/30: [impl] add -DNOT_RUBY to Makefile.in.
1.1.1.2   misho    1610:                    NOT_RUBY is referred in regint.h for escape double
1.1       misho    1611:                    including config.h.
                   1612: 2003/01/30: [impl] when string hasn't case ambiguity, don't compile
                   1613:                    to ignore case opcode.
                   1614: 2003/01/29: [impl] add SJIS, UTF-8 test_sb() test.
                   1615: 2003/01/29: [dist] add INSTALL-RUBY file.
                   1616: 2003/01/28: [test] success in Cygwin, Ruby 1.8.0 (2003-01-27).
                   1617: 2003/01/24: [inst] add rback target to Makefile.in.
                   1618: 2003/01/24: [impl] change SBCMP() -> IS_NEWLINE() in match_at().
                   1619: 2003/01/23: [impl] add encoding arg to scan_xxxx_number().
                   1620: 2003/01/23: [impl] rename WCInt to WCINT.
                   1621: 2003/01/22: [bug]  POSIX API regexec() was not thread safe.
                   1622:                    remove region member from POSIX regex_t.
                   1623:             [new]  add search time option REG_OPTION_POSIX_REGION.
                   1624:                    (region argument is treated as regmatch_t[] type)
                   1625:                    speed up regexec().
                   1626: 2003/01/22: [memo] start CVS entry in my box.
                   1627: 
                   1628: 2003/01/21: Version 1.6
                   1629: 
                   1630: 2003/01/21: [test] Mac OS X 10.1, Ruby 1.8.0 (2003-01-20)
                   1631: 2003/01/20: [impl] add UTF-8 check to test.rb.   (thanks UENO Katsuhiro)
                   1632: 2003/01/18: [impl] change REGION_NOTPOS to REG_REGION_NOTPOS in regex.h.
                   1633: 2003/01/17: [dist] add sample/simple.c.
                   1634: 2003/01/17: [inst] add configure option --with-rubydir.
                   1635: 2003/01/17: [bug]  bad implemeted POSIX API options.
                   1636:                    default:     /./ not match "\n", anchor not match "\n"
                   1637:                    REG_NEWLINE: /./ not match "\n", anchor match "\n"
                   1638: 2003/01/16: [impl] rewrite POSIX API regexec() for speed up.
                   1639: 2003/01/16: [impl] add region member to POSIX regex_t struct.
                   1640: 2003/01/16: [inst] rename library file from 'libregex.a' to 'libonig.a'.
                   1641: 2003/01/15: [dist] add testc.c to distribution file.
                   1642: 2003/01/15: [test] success in 'make rtest/ctest/ptest' on Windows 2000.
                   1643: 2003/01/15: [bug]  change '/' to \' in win32/Makefile.
                   1644: 2003/01/14: [test] success in Ruby make test on Windows 2000.
                   1645:                    VC++6.0, Ruby 1.6.8 (2003-01-12)
                   1646: 2003/01/14: [inst] change Makefile.in and win32/Makefile.
                   1647: 2003/01/11: [inst] changes for Win32 platform. (regint.h, reggnu.c, regcomp.c)
                   1648: 2003/01/11: [dist] add win32 directory. (config.h, Makefile, testc.c)
                   1649: 2003/01/10: [inst] add onigposix.h to install target. (Makefile.in)
                   1650: 2003/01/10: [bug]  lacked a comma in ESTRING[]. (regposerr.c)
                   1651: 2003/01/10: [bug]  local variable name was wrong. buf -> tbuf (regerror())
                   1652: 2003/01/10: [spec] remove REG_RUBY_M17N case from onigposix.h and regposix.c.
                   1653: 
                   1654: 2003/01/09: Version 1.5
                   1655: 
                   1656: 2003/01/09: [inst] replace Ruby re.c.XXX.patch files. (166 -> 168, 172 -> 180)
                   1657: 2003/01/09: [new]  implement POSIX API.   (thanks knu)
                   1658:                    (onigposix.h, regposix.c, regposerr.c)
                   1659: 2003/01/08: [spec] remove REGERR_END_PATTERN_AFTER_BACKSLASH in regex.h.
                   1660: 2003/01/08: [spec] region arg can be NULL in regex_search() and regex_match().
                   1661: 
                   1662: 2003/01/08: Version 1.4
                   1663: 
                   1664: 2003/01/08: [inst] add test program converter (test.rb -> testc.c).
                   1665: 2003/01/08: [bug]  move GET_WCINT() from regcomp.c to regint.h.
                   1666: 2003/01/07: [inst] add new test script (test.rb).
                   1667: 2002/12/30: [bug]  wrong merge in multibyte mode (alt_merge_opt_exact_info()).
                   1668: 2002/12/28: [inst] add rtest target to Makefile.in.
                   1669: 2002/12/28: [bug]  /\xfe/.match("\xfe") mismatch in multibyte mode.
                   1670:                    add "raw" flag arg to concat_opt_exact_info_str().
                   1671: 2002/12/25: [bug]  check condition was wrong in alt_merge_opt_map_info().
                   1672: 2002/12/25: [impl] add threshold_len check in regex_search().
                   1673: 2002/12/23: [bug]  prec-read in alternative (/a|(?=z).f/.match("zf") => nil)
                   1674: 2002/12/23: [bug]  \G in alternative (/a|\Gz/.match("bza") => "z").
                   1675:                    add start member in MatchArg. (regexec.c)
                   1676: 2002/12/21: [impl] **** rewrite all optimization process. ****
                   1677: 2002/12/16: [impl] remove node subtype EFFECT_EMPTY.
                   1678: 2002/12/12: [impl] reconstruct node types. (regcomp.c)
                   1679: 2002/12/11: [impl] add regerror.c
                   1680: 2002/12/10: [bug]  [ruby-dev:19042] (thanks Nobu)
                   1681:                    anchor(\G etc...) influenced outside of "|". (/a|\Gb/)
                   1682: 2002/11/30: [bug]  [ruby-dev:18966] (thanks Nobu)
                   1683:                    char-class(\S, [^\s] etc...) optimize map-info was wrong.
                   1684: 2002/11/29: [bug]  infinite loop on NULL-pointer str search (regex_search()).
                   1685:                    (thanks matz)
                   1686: 2002/11/29: [bug]  change static -> extern (regex_chain_reduce()).
                   1687: 2002/11/29: [bug]  change encoding to RegDefaultCharEncoding
                   1688:                    in re_recompile_pattern(). (adapt to re.c)
                   1689: 2002/04/24: [spec] USE_ONIGURUMA_EXTENSION is disabled in default.
                   1690: 2002/04/24: [new]  add searching time option: REG_OPTION_NOTBOL/NOTEOL.
                   1691:                    add searching time option argument to regex_search() and
                   1692:                    regex_match(). (prepare for POSIX API)
                   1693: 2002/04/20: [impl] divide regex.c file into regcomp.c, regexec.c, reggnu.c
                   1694:                    and regint.h.
                   1695: 2002/04/09: [impl] move IS_MULTILINE() to outside of loop in OP_ANYCHAR_STAR.
                   1696: 2002/04/08: [impl] don't use OP_REPEAT operator for '??'.
                   1697: 2002/04/06: [impl] reduce redundant nested repeat operators(?,*,+,??,*?,+?).
                   1698:                    ex. (?:a*)?, (?:a??)* etc..
                   1699: 2002/04/06: [spec] should not warn for /(?:a?)+?/.
                   1700: 2002/04/04: [spec] should allow fixed length alternative and repeat pattern
                   1701:                    in look-behind. ex. /(?<=(a|b){3})/  (thanks Guy Decoux)
                   1702: 2002/04/02: [spec] should warn for /(?:a+)?/ and /(?:a*)??/.  (thanks akr)
                   1703: 
                   1704: 2002/04/01: Version 1.3
                   1705: 
                   1706: 2002/04/01: [dist] add COPYING.
                   1707: 2002/03/30: [spec] warn redundant nested repeat operator
                   1708:                    in Ruby verbose mode.  ex. (?:a*)?
                   1709: 2002/03/30: [spec] nested repeat operator error check should be 
                   1710:                    same with GNU regex.             (thanks Guy Decoux)
                   1711: 2002/03/30: [new]  add \x{hexadecimal-wide-char}.   (thanks matz)
                   1712: 2002/03/27: [bug]  MBCTYPE_XXX symbol values should be same with GNU regex.
                   1713: 2002/03/27: [impl] add THREAD_ATOMIC to regex_clone(), regex_init(), regex_end().
                   1714: 2002/03/25: [spec] if encoding is utf-8, allow combination of singlebyte and
                   1715:                    multibyte code range in char class.
                   1716:                    (cancelled 2002/04/01: for M17N compatibility)
                   1717: 2002/03/25: [dist] description of the license condition is added to README.
                   1718: 2002/03/23: [bug]  should set all bits of reg->mem_stats,
                   1719:                    if REG_OPTION_FIND_LONGEST or REG_OPTION_NOT_EMPTY.
                   1720: 2002/03/23: [new]  add a new option REG_OPTION_NOT_EMPTY.
                   1721: 2002/03/20: [spec] allow incompleted left brace as an usual char.
                   1722:                    ex. /{/, /({)/, /a{2,3/ etc...
                   1723: 2002/03/20: [impl] serialize integer in bytecode.
                   1724:                    (switch by UNALIGNED_WORD_ACCESS in regex.c)
                   1725: 2002/03/20: [impl] change re_mbcinit() for REG_RUBY_M17N.
                   1726: 2002/03/19: [impl] word alignment of char class multi-byte code ranges.
                   1727: 2002/03/19: [impl] replace OP_EXACTMB4N with OP_EXACTMB3N.
                   1728: 2002/03/19: [bug]  OP_CCLASS_MB_NOT process in matchAt() is wrong.
                   1729: 2002/03/19: [new]  add re_mbctab[] for Ruby extension library compatibility.
                   1730: 2002/03/19: [spec] allow nested repeat operator, if operator is {n,m} type.
                   1731: 2002/03/19: [new]  add REG_IS_PATTERN_ERROR(ecode) in regex.h
                   1732: 2002/03/18: [spec] /[a-b-c]/ should be error.
                   1733: 2002/03/18: [bug]  /[\w-a]/ should be error.        (thanks Guy Decoux)
                   1734: 2002/03/18: [bug]  /[\]/ should be error.           (thanks Guy Decoux)
                   1735: 2002/03/18: [bug]  /()*/ etc.. should not be error. (thanks Guy Decoux)
                   1736: 2002/03/18: [spec] /a{1}*/ should not be error.     (thanks Guy Decoux)
                   1737: 2002/03/18: [bug]  ab{2}{3} was interpreded to (?:a(?:b{2})){3}
                   1738:                    (thanks Guy Decoux)
                   1739: 2002/03/18: [bug]  abort /(?i)*a/ etc...            (thanks Guy Decoux)
                   1740: 2002/03/18: [bug]  abort /a|*/,/a|{1}/ etc...       (thanks Guy Decoux)
                   1741: 
                   1742: 2002/03/13: Version 1.2
                   1743: 
                   1744: 2002/03/13: [test] success in rubicon/builtin/AllBuiltinTests.rb.
                   1745:                    (thanks rubicon)
                   1746: 2002/03/13: [bug]  OP_EXACTMBN process in matchAt() is wrong.
                   1747: 2002/03/13: [bug]  start argument of BackwardSearchRange() is wrong.
                   1748: 2002/03/12: [spec] change function name style from CamelCase
                   1749:                    to underline_separation. (includes API)
                   1750: 2002/03/12: [bug]  if pattern has nested null-check, cause infinite loop.
                   1751:                    correct STACK_NULL_CHECK() macro. (thanks Guy Decoux)
                   1752: 2002/03/11: [bug]  it is wrong that four numbers to continue as
                   1753:                    an octal value in scanBackSlash(). ex. /\0111/
                   1754:                    (thanks matz)
                   1755: 2002/03/11: [new]  \k (single-byte word char), \K (multi-byte char).
                   1756: 2002/03/09: [inst] add two targets to Makefile.in (166 and 172).
                   1757: 2002/03/09: [spec] decrease REG_MAX_BACKREF_NUM, REG_MAX_REPEAT_NUM
                   1758:                    values.
                   1759: 2002/03/08: [spec] allow use of "\A"(begin-buf) in look-behind.
                   1760: 2002/03/08: [impl] add a new opcode OP_PUSH_IF_PEEK_NEXT.
                   1761: 2002/03/08: [impl] add a new opcode OP_ANYCHAR_STAR_PEEK_NEXT.
                   1762: 2002/03/07: [spec] prohibit use of capture group "(...)"
                   1763:                    in negative look-behind.
                   1764: 2002/03/07: [inst] add configure.in, config.h.in, Makefile.in.
                   1765: 2002/03/07: [impl] call Init_REGEX_STAT() in RegexInit().
                   1766: 2002/03/07: [spec] less length string match with negative look-behind.
                   1767:                    ex. /(?<!XXX)a/.match("Xa").    (thanks Nobu)
                   1768: 2002/03/06: [impl] expand repeated string, if expanded length <= 100.
                   1769:                    ex. /(?:abc){10}/
                   1770: 2002/03/06: [new]  add a symbol REG_TRANSTABLE_USE_DEFAULT in regex.h.
                   1771: 2002/03/06: [impl] rename RegDefaultCharCode to RegDefaultCharEncoding.
                   1772: 2002/03/06: [bug]  if pattern has NULL(\000) char, infinite loop happens 
                   1773:                    in ScanMakeNode(). (beware of strchr(). thanks Nobu)
                   1774: 2002/03/06: [bug]  range argument of ForwardSearchRange() is wrong.
                   1775:                    ex. /\A.a/, /\G.a/ mismatched with "aa". (thanks Nobu)
                   1776: 2002/03/05: [new]  add RegexMatch() API. rename regexMatch() to matchAt().
                   1777: 2002/03/05: [impl] change function definition style.
                   1778: 2002/03/05: [impl] abolish use of macro symbol which name begin with underline.
                   1779: 2002/03/04: [bug]  make up a break-statement in compileTree().
                   1780:                    (compile error on Mac OS X 10.1.3)
                   1781: 
                   1782: 2002/03/04: Version 1.1
                   1783: 
                   1784: 2002/03/04: [impl] replace STK_BOTTOM with STK_ALT.
                   1785: 2002/03/02: [impl] add new opcode OP_FINISH and new stack type
                   1786:                    STK_BOTTOM for (little bit) speed up STACK_POP.
                   1787: 2002/03/02: [impl] add new opcode OP_EXACT1_IC, OP_EXACTN_IC
                   1788:                    for compile time ignore case check.
                   1789:                    remove opcode OP_EXACT1_RAW, OP_EXACTN_RAW.
                   1790: 2002/03/02: [impl] add OpTime info to statistical data.
                   1791: 2002/02/28: [bug]  sub_anchor($) in ForwardSearch() and BackwardSearch().
                   1792:                    ex. /$\x0az/.match("\nz")
                   1793: 2002/02/28: [new]  look-behind (?<=pattern), (?<!pattern).
                   1794: 2002/02/27: [bug]  use StackIndex instead of StackType* for realloc problem.
                   1795: 2002/02/27: [impl] use m17n_codepoint() as mb2wc() in REG_RUBY_M17N.
                   1796: 2002/02/27: [spec] undefined POSIX bracket /[[:xyz:]]/ should be syntax error.
                   1797: 2002/02/26: [bug]  ex. /$*/, /[a-]/, /((?i)a)b/   (thanks matz)
                   1798: 
                   1799: 2002/02/25: Version 1.0 (first release)
                   1800: 
                   1801: --
                   1802: [bug:  bug fix]
                   1803: [API:  API change/new/delete]
                   1804: [new:  new feature]
                   1805: [spec: specification change]
                   1806: [impl: implementation change]
                   1807: [tune: tune for speed up]
                   1808: [inst: changes for installation]
                   1809: [dist: distribution change]
                   1810: [test: test]
                   1811: [memo: memo]
                   1812: --
                   1813: <CVS: show all tags>
                   1814: cvs history -T
                   1815: 
                   1816: <CVS: add tag>
                   1817: cvs rtag "VERSION_X_X_X" oniguruma
                   1818: 
                   1819: 
                   1820: <GNU Autotools: bootstrap>
                   1821: * write Makefile.am and configure.in.
                   1822: > aclocal
                   1823: > libtoolize
                   1824: > automake --foreign --add-missing
                   1825: > autoconf
                   1826: > configure --with-rubydir=... CFLAGS="-O2 -Wall"
                   1827: 
                   1828: 
                   1829: <GNU libtool: version management>
                   1830: 
                   1831:   VERSION = current:revision:age
                   1832: 
                   1833:   current:  interface number (from 0)
                   1834:   revision: implementation number of same interface (from 0)
                   1835:   age:      number of supported previous interfaces
                   1836:             (if current only supported then age == 0)
                   1837: 
                   1838: //END

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