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update to pcre 7.9

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git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@13706 d0543943-73ff-0310-b7d9-9358b9ac24b2
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Michael Jerris
2009-06-08 23:51:30 +00:00
parent a1e5add731
commit f7efdaa901
178 changed files with 43560 additions and 11382 deletions
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34
libs/pcre/doc/html/pcreprecompile.html
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@@ -17,6 +17,8 @@ man page, in case the conversion went wrong.
<li><a name="TOC2" href="#SEC2">SAVING A COMPILED PATTERN</a>
<li><a name="TOC3" href="#SEC3">RE-USING A PRECOMPILED PATTERN</a>
<li><a name="TOC4" href="#SEC4">COMPATIBILITY WITH DIFFERENT PCRE RELEASES</a>
<li><a name="TOC5" href="#SEC5">AUTHOR</a>
<li><a name="TOC6" href="#SEC6">REVISION</a>
</ul>
<br><a name="SEC1" href="#TOC1">SAVING AND RE-USING PRECOMPILED PCRE PATTERNS</a><br>
<P>
@@ -32,7 +34,9 @@ tables, it is a little bit more complicated.
If you save compiled patterns to a file, you can copy them to a different host
and run them there. This works even if the new host has the opposite endianness
to the one on which the patterns were compiled. There may be a small
performance penalty, but it should be insignificant.
performance penalty, but it should be insignificant. However, compiling regular
expressions with one version of PCRE for use with a different version is not
guaranteed to work and may cause crashes.
</P>
<br><a name="SEC2" href="#TOC1">SAVING A COMPILED PATTERN</a><br>
<P>
@@ -120,21 +124,25 @@ usual way.
</P>
<br><a name="SEC4" href="#TOC1">COMPATIBILITY WITH DIFFERENT PCRE RELEASES</a><br>
<P>
The layout of the control block that is at the start of the data that makes up
a compiled pattern was changed for release 5.0. If you have any saved patterns
that were compiled with previous releases (not a facility that was previously
advertised), you will have to recompile them for release 5.0. However, from now
on, it should be possible to make changes in a compatible manner.
In general, it is safest to recompile all saved patterns when you update to a
new PCRE release, though not all updates actually require this. Recompiling is
definitely needed for release 7.2.
</P>
<br><a name="SEC5" href="#TOC1">AUTHOR</a><br>
<P>
Notwithstanding the above, if you have any saved patterns in UTF-8 mode that
use \p or \P that were compiled with any release up to and including 6.4, you
will have to recompile them for release 6.5 and above.
</P>
<P>
Last updated: 01 February 2006
Philip Hazel
<br>
University Computing Service
<br>
Cambridge CB2 3QH, England.
<br>
</P>
<br><a name="SEC6" href="#TOC1">REVISION</a><br>
<P>
Last updated: 13 June 2007
<br>
Copyright &copy; 1997-2007 University of Cambridge.
<br>
Copyright &copy; 1997-2006 University of Cambridge.
<p>
Return to the <a href="index.html">PCRE index page</a>.
</p>