/[pcre]/code/trunk/doc/pcreprecompile.3
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revision 79 by nigel, Sat Feb 24 21:40:52 2007 UTC revision 155 by ph10, Tue Apr 24 13:36:11 2007 UTC
# Line 17  tables, it is a little bit more complica Line 17  tables, it is a little bit more complica
17  If you save compiled patterns to a file, you can copy them to a different host  If you save compiled patterns to a file, you can copy them to a different host
18  and run them there. This works even if the new host has the opposite endianness  and run them there. This works even if the new host has the opposite endianness
19  to the one on which the patterns were compiled. There may be a small  to the one on which the patterns were compiled. There may be a small
20  performance penalty, but it should be insignificant.  performance penalty, but it should be insignificant. However, compiling regular
21    expressions with one version of PCRE for use with a different version is not
22    guaranteed to work and may cause crashes.
23  .  .
24  .  .
25  .SH "SAVING A COMPILED PATTERN"  .SH "SAVING A COMPILED PATTERN"
# Line 118  usual way. Line 120  usual way.
120  The layout of the control block that is at the start of the data that makes up  The layout of the control block that is at the start of the data that makes up
121  a compiled pattern was changed for release 5.0. If you have any saved patterns  a compiled pattern was changed for release 5.0. If you have any saved patterns
122  that were compiled with previous releases (not a facility that was previously  that were compiled with previous releases (not a facility that was previously
123  advertised), you will have to recompile them for release 5.0. However, from now  advertised), you will have to recompile them for release 5.0 and above.
 on, it should be possible to make changes in a compatible manner.  
124  .P  .P
125  .in 0  If you have any saved patterns in UTF-8 mode that use \ep or \eP that were
126  Last updated: 28 February 2005  compiled with any release up to and including 6.4, you will have to recompile
127  .br  them for release 6.5 and above.
128  Copyright (c) 1997-2005 University of Cambridge.  .P
129    All saved patterns from earlier releases must be recompiled for release 7.0 or
130    higher, because there was an internal reorganization at that release.
131    .
132    .
133    .
134    .SH AUTHOR
135    .rs
136    .sp
137    .nf
138    Philip Hazel
139    University Computing Service
140    Cambridge CB2 3QH, England.
141    .fi
142    .
143    .
144    .SH REVISION
145    .rs
146    .sp
147    .nf
148    Last updated: 24 April 2007
149    Copyright (c) 1997-2007 University of Cambridge.
150    .fi

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