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revision 297 by ph10, Fri Jan 4 19:44:00 2008 UTC revision 298 by ph10, Thu Jan 10 17:09:12 2008 UTC
# Line 1  Line 1 
1  ChangeLog for PCRE  ChangeLog for PCRE
2  ------------------  ------------------
3    
4  Version 7.5 04-Jan-08  Version 7.5 10-Jan-08
5  ---------------------  ---------------------
6    
7  1.  Applied a patch from Craig: "This patch makes it possible to 'ignore'  1.  Applied a patch from Craig: "This patch makes it possible to 'ignore'
# Line 99  Version 7.5 04-Jan-08 Line 99  Version 7.5 04-Jan-08
99    
100  20. In pcrecpp.cc, the variable 'count' was incremented twice in  20. In pcrecpp.cc, the variable 'count' was incremented twice in
101      RE::GlobalReplace(). As a result, the number of replacements returned was      RE::GlobalReplace(). As a result, the number of replacements returned was
102      double what it should be. I removed one of the increments, but Craig sent a      double what it should be. I removed one of the increments, but Craig sent a
103      later patch that removed the other one (the right fix) and added unit tests      later patch that removed the other one (the right fix) and added unit tests
104      that check the return values (which was not done before).      that check the return values (which was not done before).
105    
106  21. Several CMake things:  21. Several CMake things:
107    
# Line 112  Version 7.5 04-Jan-08 Line 112  Version 7.5 04-Jan-08
112          linked with the newly-built libraries, not previously installed ones.          linked with the newly-built libraries, not previously installed ones.
113    
114      (3) Added PCRE_SUPPORT_LIBREADLINE, PCRE_SUPPORT_LIBZ, PCRE_SUPPORT_LIBBZ2.      (3) Added PCRE_SUPPORT_LIBREADLINE, PCRE_SUPPORT_LIBZ, PCRE_SUPPORT_LIBBZ2.
115    
116  22. In UTF-8 mode, with newline set to "any", a pattern such as .*a.*=.b.*  22. In UTF-8 mode, with newline set to "any", a pattern such as .*a.*=.b.*
117      crashed when matching a string such as a\x{2029}b (note that \x{2029} is a      crashed when matching a string such as a\x{2029}b (note that \x{2029} is a
118      UTF-8 newline character). The key issue is that the pattern starts .*;      UTF-8 newline character). The key issue is that the pattern starts .*;
119      this means that the match must be either at the beginning, or after a      this means that the match must be either at the beginning, or after a
120      newline. The bug was in the code for advancing after a failed match and      newline. The bug was in the code for advancing after a failed match and
121      checking that the new position followed a newline. It was not taking      checking that the new position followed a newline. It was not taking
122      account of UTF-8 characters correctly.      account of UTF-8 characters correctly.
123    
124  23. PCRE was behaving differently from Perl in the way it recognized POSIX  23. PCRE was behaving differently from Perl in the way it recognized POSIX
125      character classes. PCRE was not treating the sequence [:...:] as a      character classes. PCRE was not treating the sequence [:...:] as a
126      character class unless the ... were all letters. Perl, however, seems to      character class unless the ... were all letters. Perl, however, seems to
127      allow any characters between [: and :], though of course it rejects as      allow any characters between [: and :], though of course it rejects as
128      unknown any "names" that contain non-letters, because all the known class      unknown any "names" that contain non-letters, because all the known class
129      names consist only of letters. Thus, Perl gives an error for [[:1234:]],      names consist only of letters. Thus, Perl gives an error for [[:1234:]],
130      for example, whereas PCRE did not - it did not recognize a POSIX character      for example, whereas PCRE did not - it did not recognize a POSIX character
131      class. This seemed a bit dangerous, so the code has been changed to be      class. This seemed a bit dangerous, so the code has been changed to be
132      closer to Perl. The behaviour is not identical to Perl, because PCRE will      closer to Perl. The behaviour is not identical to Perl, because PCRE will
133      diagnose an unknown class for, for example, [[:l\ower:]] where Perl will      diagnose an unknown class for, for example, [[:l\ower:]] where Perl will
134      treat it as [[:lower:]]. However, PCRE does now give "unknown" errors where      treat it as [[:lower:]]. However, PCRE does now give "unknown" errors where
135      Perl does, and where it didn't before.      Perl does, and where it didn't before.
136    
137  24. Rewrite so as to remove the single use of %n from pcregrep because in some  24. Rewrite so as to remove the single use of %n from pcregrep because in some
138      Windows environments %n is disabled by default.      Windows environments %n is disabled by default.
139    

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