diff options
| author | ph10 <ph10@2f5784b3-3f2a-0410-8824-cb99058d5e15> | 2010-06-21 14:06:54 +0000 |
|---|---|---|
| committer | ph10 <ph10@2f5784b3-3f2a-0410-8824-cb99058d5e15> | 2010-06-21 14:06:54 +0000 |
| commit | 1d834bde033c4aeae1beda2a8d2b986c0633ac8c (patch) | |
| tree | 59a00ae491d7e6b37af9852dbc38018a93d01134 | |
| parent | acd0c90fbf0ac9abcd1176ce462218c8d95e11ef (diff) | |
| download | pcre-1d834bde033c4aeae1beda2a8d2b986c0633ac8c.tar.gz | |
Another documentation update.
git-svn-id: svn://vcs.exim.org/pcre/code/trunk@547 2f5784b3-3f2a-0410-8824-cb99058d5e15
| -rw-r--r-- | doc/pcreapi.3 | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/doc/pcreapi.3 b/doc/pcreapi.3 index 04cc741..4176cea 100644 --- a/doc/pcreapi.3 +++ b/doc/pcreapi.3 @@ -848,6 +848,16 @@ Studying a pattern is also useful for non-anchored patterns that do not have a single fixed starting character. A bitmap of possible starting bytes is created. This speeds up finding a position in the subject at which to start matching. +.P +The two optimizations just described can be disabled by setting the +PCRE_NO_START_OPTIMIZE option when calling \fBpcre_exec()\fP or +\fBpcre_dfa_exec()\fP. You might want to do this if your pattern contains +callouts, or make use of (*MARK), and you make use of these in cases where +matching fails. See the discussion of PCRE_NO_START_OPTIMIZE +.\" HTML <a href="#execoptions"> +.\" </a> +below. +.\" . . .\" HTML <a name="localesupport"></a> @@ -2168,6 +2178,6 @@ Cambridge CB2 3QH, England. .rs .sp .nf -Last updated: 20 June 2010 +Last updated: 21 June 2010 Copyright (c) 1997-2010 University of Cambridge. .fi |