Revision: 723
http://www.exim.org/viewvc/pcre2?view=rev&revision=723
Author: ph10
Date: 2017-03-31 18:06:43 +0100 (Fri, 31 Mar 2017)
Log Message:
-----------
Documentation update.
Modified Paths:
--------------
code/trunk/doc/pcre2build.3
code/trunk/doc/pcre2grep.1
code/trunk/doc/pcre2jit.3
code/trunk/doc/pcre2syntax.3
Modified: code/trunk/doc/pcre2build.3
===================================================================
--- code/trunk/doc/pcre2build.3 2017-03-31 16:49:33 UTC (rev 722)
+++ code/trunk/doc/pcre2build.3 2017-03-31 17:06:43 UTC (rev 723)
@@ -1,4 +1,4 @@
-.TH PCRE2BUILD 3 "29 March 2017" "PCRE2 10.30"
+.TH PCRE2BUILD 3 "31 March 2017" "PCRE2 10.30"
.SH NAME
PCRE2 - Perl-compatible regular expressions (revised API)
.
@@ -270,7 +270,7 @@
to the \fBconfigure\fP command. This value can also be overridden at run time.
As well as applying to \fBpcre2_match()\fP, this limit also controls the depth
of recursive function calls in \fBpcre2_dfa_match()\fP. These are used for
-lookaround assertions and recursion within patterns.
+lookaround assertions, atomic groups, and recursion within patterns.
.
.
.SH "CREATING CHARACTER TABLES AT BUILD TIME"
@@ -547,6 +547,6 @@
.rs
.sp
.nf
-Last updated: 29 March 2017
+Last updated: 31 March 2017
Copyright (c) 1997-2017 University of Cambridge.
.fi
Modified: code/trunk/doc/pcre2grep.1
===================================================================
--- code/trunk/doc/pcre2grep.1 2017-03-31 16:49:33 UTC (rev 722)
+++ code/trunk/doc/pcre2grep.1 2017-03-31 17:06:43 UTC (rev 723)
@@ -1,4 +1,4 @@
-.TH PCRE2GREP 1 "21 March 2017" "PCRE2 10.30"
+.TH PCRE2GREP 1 "31 March 2017" "PCRE2 10.30"
.SH NAME
pcre2grep - a grep with Perl-compatible regular expressions.
.SH SYNOPSIS
@@ -644,12 +644,12 @@
Many of the short and long forms of \fBpcre2grep\fP's options are the same
as in the GNU \fBgrep\fP program. Any long option of the form
\fB--xxx-regexp\fP (GNU terminology) is also available as \fB--xxx-regex\fP
-(PCRE2 terminology). However, the \fB--file-list\fP, \fB--file-offsets\fP,
-\fB--include-dir\fP, \fB--line-offsets\fP, \fB--locale\fP, \fB--match-limit\fP,
-\fB-M\fP, \fB--multiline\fP, \fB-N\fP, \fB--newline\fP, \fB--om-separator\fP,
-\fB--recursion-limit\fP, \fB-u\fP, and \fB--utf-8\fP options are specific to
-\fBpcre2grep\fP, as is the use of the \fB--only-matching\fP option with a
-capturing parentheses number.
+(PCRE2 terminology). However, the \fB--depth-limit\fP, \fB--file-list\fP,
+\fB--file-offsets\fP, \fB--include-dir\fP, \fB--line-offsets\fP,
+\fB--locale\fP, \fB--match-limit\fP, \fB-M\fP, \fB--multiline\fP, \fB-N\fP,
+\fB--newline\fP, \fB--om-separator\fP, \fB-u\fP, and \fB--utf-8\fP options are
+specific to \fBpcre2grep\fP, as is the use of the \fB--only-matching\fP option
+with a capturing parentheses number.
.P
Although most of the common options work the same way, a few are different in
\fBpcre2grep\fP. For example, the \fB--include\fP option's argument is a glob
@@ -789,6 +789,6 @@
.rs
.sp
.nf
-Last updated: 21 March 2017
+Last updated: 31 March 2017
Copyright (c) 1997-2017 University of Cambridge.
.fi
Modified: code/trunk/doc/pcre2jit.3
===================================================================
--- code/trunk/doc/pcre2jit.3 2017-03-31 16:49:33 UTC (rev 722)
+++ code/trunk/doc/pcre2jit.3 2017-03-31 17:06:43 UTC (rev 723)
@@ -1,4 +1,4 @@
-.TH PCRE2JIT 3 "30 March 2017" "PCRE2 10.30"
+.TH PCRE2JIT 3 "31 March 2017" "PCRE2 10.30"
.SH NAME
PCRE2 - Perl-compatible regular expressions (revised API)
.SH "PCRE2 JUST-IN-TIME COMPILER SUPPORT"
@@ -178,12 +178,9 @@
pointer to an opaque structure of type \fBpcre2_jit_stack\fP, or NULL if there
is an error. The \fBpcre2_jit_stack_free()\fP function is used to free a stack
that is no longer needed. (For the technically minded: the address space is
-allocated by mmap or VirtualAlloc.)
+allocated by mmap or VirtualAlloc.) A maximum stack size of 512K to 1M should
+be more than enough for any pattern.
.P
-JIT uses far less memory for recursion than the interpretive code,
-and a maximum stack size of 512K to 1M should be more than enough for any
-pattern.
-.P
The \fBpcre2_jit_stack_assign()\fP function specifies which stack JIT code
should use. Its arguments are as follows:
.sp
@@ -413,6 +410,6 @@
.rs
.sp
.nf
-Last updated: 30 March 2017
+Last updated: 31 March 2017
Copyright (c) 1997-2017 University of Cambridge.
.fi
Modified: code/trunk/doc/pcre2syntax.3
===================================================================
--- code/trunk/doc/pcre2syntax.3 2017-03-31 16:49:33 UTC (rev 722)
+++ code/trunk/doc/pcre2syntax.3 2017-03-31 17:06:43 UTC (rev 723)
@@ -1,4 +1,4 @@
-.TH PCRE2SYNTAX 3 "23 December 2016" "PCRE2 10.23"
+.TH PCRE2SYNTAX 3 "31 March 2017" "PCRE2 10.30"
.SH NAME
PCRE2 - Perl-compatible regular expressions (revised API)
.SH "PCRE2 REGULAR EXPRESSION SYNTAX SUMMARY"
@@ -417,7 +417,7 @@
appear.
.sp
(*LIMIT_MATCH=d) set the match limit to d (decimal number)
- (*LIMIT_RECURSION=d) set the recursion limit to d (decimal number)
+ (*LIMIT_DEPTH=d) set the backtracking limit to d (decimal number)
(*NOTEMPTY) set PCRE2_NOTEMPTY when matching
(*NOTEMPTY_ATSTART) set PCRE2_NOTEMPTY_ATSTART when matching
(*NO_AUTO_POSSESS) no auto-possessification (PCRE2_NO_AUTO_POSSESS)
@@ -427,11 +427,11 @@
(*UTF) set appropriate UTF mode for the library in use
(*UCP) set PCRE2_UCP (use Unicode properties for \ed etc)
.sp
-Note that LIMIT_MATCH and LIMIT_RECURSION can only reduce the value of the
-limits set by the caller of \fBpcre2_match()\fP or \fBpcre2_dfa_match()\fP, not
-increase them. The application can lock out the use of (*UTF) and (*UCP) by
-setting the PCRE2_NEVER_UTF or PCRE2_NEVER_UCP options, respectively, at
-compile time.
+Note that LIMIT_MATCH and LIMIT_DEPTH can only reduce the value of the limits
+set by the caller of \fBpcre2_match()\fP or \fBpcre2_dfa_match()\fP, not
+increase them. LIMIT_RECURSION is an obsolete synonym for LIMIT_DEPTH. The
+application can lock out the use of (*UTF) and (*UCP) by setting the
+PCRE2_NEVER_UTF or PCRE2_NEVER_UCP options, respectively, at compile time.
.
.
.SH "NEWLINE CONVENTION"
@@ -585,6 +585,6 @@
.rs
.sp
.nf
-Last updated: 23 December 2016
-Copyright (c) 1997-2016 University of Cambridge.
+Last updated: 31 March 2017
+Copyright (c) 1997-2017 University of Cambridge.
.fi
