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revision 553 by ph10, Fri Oct 22 15:57:50 2010 UTC revision 572 by ph10, Wed Nov 17 17:55:57 2010 UTC
# Line 11  appeared in Perl are also available usin Line 11  appeared in Perl are also available usin
11  support for one or two .NET and Oniguruma syntax items, and there is an option  support for one or two .NET and Oniguruma syntax items, and there is an option
12  for requesting some minor changes that give better JavaScript compatibility.  for requesting some minor changes that give better JavaScript compatibility.
13  .P  .P
14  The current implementation of PCRE corresponds approximately with Perl  The current implementation of PCRE corresponds approximately with Perl 5.12,
15  5.10/5.11, including support for UTF-8 encoded strings and Unicode general  including support for UTF-8 encoded strings and Unicode general category
16  category properties. However, UTF-8 and Unicode support has to be explicitly  properties. However, UTF-8 and Unicode support has to be explicitly enabled; it
17  enabled; it is not the default. The Unicode tables correspond to Unicode  is not the default. The Unicode tables correspond to Unicode release 5.2.0.
 release 5.2.0.  
18  .P  .P
19  In addition to the Perl-compatible matching function, PCRE contains an  In addition to the Perl-compatible matching function, PCRE contains an
20  alternative function that matches the same compiled patterns in a different  alternative function that matches the same compiled patterns in a different
# Line 273  documentation. Line 272  documentation.
272  7. Similarly, characters that match the POSIX named character classes are all  7. Similarly, characters that match the POSIX named character classes are all
273  low-valued characters, unless the PCRE_UCP option is set.  low-valued characters, unless the PCRE_UCP option is set.
274  .P  .P
275  8. However, the Perl 5.10 horizontal and vertical whitespace matching escapes  8. However, the horizontal and vertical whitespace matching escapes (\eh, \eH,
276  (\eh, \eH, \ev, and \eV) do match all the appropriate Unicode characters,  \ev, and \eV) do match all the appropriate Unicode characters, whether or not
277  whether or not PCRE_UCP is set.  PCRE_UCP is set.
278  .P  .P
279  9. Case-insensitive matching applies only to characters whose values are less  9. Case-insensitive matching applies only to characters whose values are less
280  than 128, unless PCRE is built with Unicode property support. Even when Unicode  than 128, unless PCRE is built with Unicode property support. Even when Unicode
281  property support is available, PCRE still uses its own character tables when  property support is available, PCRE still uses its own character tables when
282  checking the case of low-valued characters, so as not to degrade performance.  checking the case of low-valued characters, so as not to degrade performance.
283  The Unicode property information is used only for characters with higher  The Unicode property information is used only for characters with higher
284  values. Even when Unicode property support is available, PCRE supports  values. Furthermore, PCRE supports case-insensitive matching only when there is
285  case-insensitive matching only when there is a one-to-one mapping between a  a one-to-one mapping between a letter's cases. There are a small number of
286  letter's cases. There are a small number of many-to-one mappings in Unicode;  many-to-one mappings in Unicode; these are not supported by PCRE.
 these are not supported by PCRE.  
287  .  .
288  .  .
289  .SH AUTHOR  .SH AUTHOR
# Line 306  two digits 10, at the domain cam.ac.uk. Line 304  two digits 10, at the domain cam.ac.uk.
304  .rs  .rs
305  .sp  .sp
306  .nf  .nf
307  Last updated: 22 October 2010  Last updated: 13 November 2010
308  Copyright (c) 1997-2010 University of Cambridge.  Copyright (c) 1997-2010 University of Cambridge.
309  .fi  .fi

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