--- embedaddon/pcre/doc/pcrecompat.3	2012/02/21 23:05:52	1.1.1.1
+++ embedaddon/pcre/doc/pcrecompat.3	2012/10/09 09:19:17	1.1.1.3
@@ -1,4 +1,4 @@
-.TH PCRECOMPAT 3
+.TH PCRECOMPAT 3 "08 January 2012" "PCRE 8.30"
 .SH NAME
 PCRE - Perl-compatible regular expressions
 .SH "DIFFERENCES BETWEEN PCRE AND PERL"
@@ -8,8 +8,8 @@ This document describes the differences in the ways th
 regular expressions. The differences described here are with respect to Perl
 versions 5.10 and above.
 .P
-1. PCRE has only a subset of Perl's UTF-8 and Unicode support. Details of what
-it does have are given in the
+1. PCRE has only a subset of Perl's Unicode support. Details of what it does
+have are given in the
 .\" HREF
 \fBpcreunicode\fP
 .\"
@@ -95,8 +95,16 @@ in the
 .\"
 page.
 .P
-11. If (*THEN) is present in a group that is called as a subroutine, its action
-is limited to that group, even if the group does not contain any | characters.
+11. If any of the backtracking control verbs are used in an assertion or in a
+subpattern that is called as a subroutine (whether or not recursively), their
+effect is confined to that subpattern; it does not extend to the surrounding
+pattern. This is not always the case in Perl. In particular, if (*THEN) is
+present in a group that is called as a subroutine, its action is limited to
+that group, even if the group does not contain any | characters. There is one
+exception to this: the name from a *(MARK), (*PRUNE), or (*THEN) that is
+encountered in a successful positive assertion \fIis\fP passed back when a
+match succeeds (compare capturing parentheses in assertions). Note that such
+subpatterns are processed as anchored at the point where they are tested.
 .P
 12. There are some differences that are concerned with the settings of captured
 strings when part of a pattern is repeated. For example, matching "aba" against
@@ -114,7 +122,7 @@ an error is given at compile time.
 .P
 14. Perl recognizes comments in some places that PCRE does not, for example,
 between the ( and ? at the start of a subpattern. If the /x modifier is set,
-Perl allows whitespace between ( and ? but PCRE never does, even if the
+Perl allows white space between ( and ? but PCRE never does, even if the
 PCRE_EXTENDED option is set.
 .P
 15. PCRE provides some extensions to the Perl regular expression facilities.
@@ -154,8 +162,8 @@ by the PCRE_BSR_ANYCRLF option.
 different hosts that have the other endianness. However, this does not apply to
 optimized data created by the just-in-time compiler.
 .sp
-(k) The alternative matching function (\fBpcre_dfa_exec()\fP) matches in a
-different way and is not Perl-compatible.
+(k) The alternative matching functions (\fBpcre_dfa_exec()\fP and
+\fBpcre16_dfa_exec()\fP) match in a different way and are not Perl-compatible.
 .sp
 (l) PCRE recognizes some special sequences such as (*CR) at the start of
 a pattern that set overall options that cannot be changed within the pattern.
@@ -175,6 +183,6 @@ Cambridge CB2 3QH, England.
 .rs
 .sp
 .nf
-Last updated: 14 November 2011
-Copyright (c) 1997-2011 University of Cambridge.
+Last updated: 01 June 2012
+Copyright (c) 1997-2012 University of Cambridge.
 .fi