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revision 236 by ph10, Tue Sep 11 12:57:06 2007 UTC revision 269 by ph10, Fri Nov 16 16:22:24 2007 UTC
# Line 1  Line 1 
1  ChangeLog for PCRE  ChangeLog for PCRE
2  ------------------  ------------------
3    
4  Version 7.4 10-Sep-07  Version 7.5 12-Nov-07
5    ---------------------
6    
7    1.  Applied a patch from Craig: "This patch makes it possible to 'ignore'
8        values in parens when parsing an RE using the C++ wrapper."
9    
10    2.  Negative specials like \S did not work in character classes in UTF-8 mode.
11        Characters greater than 255 were excluded from the class instead of being
12        included.
13    
14    3.  The same bug as (2) above applied to negated POSIX classes such as
15        [:^space:].
16    
17    4.  PCRECPP_STATIC was referenced in pcrecpp_internal.h, but nowhere was it
18        defined or documented. It seems to have been a typo for PCRE_STATIC, so
19        I have changed it.
20    
21    5.  The construct (?&) was not diagnosed as a syntax error (it referenced the
22        first named subpattern) and a construct such as (?&a) would reference the
23        first named subpattern whose name started with "a" (in other words, the
24        length check was missing).
25    
26    6.  The erroneous patterns (?+-a) and (?-+a) give different error messages;
27        this is right because (?- can be followed by option settings as well as by
28        digits. I have, however, made the messages clearer.
29    
30    
31    Version 7.4 21-Sep-07
32  ---------------------  ---------------------
33    
34  1.  Change 7.3/28 was implemented for classes by looking at the bitmap. This  1.  Change 7.3/28 was implemented for classes by looking at the bitmap. This
# Line 25  Version 7.4 10-Sep-07 Line 52  Version 7.4 10-Sep-07
52    
53  4.  Added options (at build time, compile time, exec time) to change \R from  4.  Added options (at build time, compile time, exec time) to change \R from
54      matching any Unicode line ending sequence to just matching CR, LF, or CRLF.      matching any Unicode line ending sequence to just matching CR, LF, or CRLF.
   
 5.  doc/pcresyntax.html was missing from the distribution.  
55    
56  6.  Put back the definition of PCRE_ERROR_NULLWSLIMIT, for backward  5.  doc/pcresyntax.html was missing from the distribution.
57    
58    6.  Put back the definition of PCRE_ERROR_NULLWSLIMIT, for backward
59      compatibility, even though it is no longer used.      compatibility, even though it is no longer used.
60    
61  7.  Added macro for snprintf to pcrecpp_unittest.cc and also for strtoll and  7.  Added macro for snprintf to pcrecpp_unittest.cc and also for strtoll and
62      strtoull to pcrecpp.cc to select the available functions in WIN32 (where      strtoull to pcrecpp.cc to select the available functions in WIN32 when the
63      different names are used).      windows.h file is present (where different names are used). [This was
64        reversed later after testing - see 16 below.]
65  8.  Changed all #include <config.h> to #include "config.h". There were also  
66    8.  Changed all #include <config.h> to #include "config.h". There were also
67      some further <pcre.h> cases that I changed to "pcre.h".      some further <pcre.h> cases that I changed to "pcre.h".
68    
69    9.  When pcregrep was used with the --colour option, it missed the line ending
70        sequence off the lines that it output.
71    
72    10. It was pointed out to me that arrays of string pointers cause lots of
73        relocations when a shared library is dynamically loaded. A technique of
74        using a single long string with a table of offsets can drastically reduce
75        these. I have refactored PCRE in four places to do this. The result is
76        dramatic:
77    
78          Originally:                          290
79          After changing UCP table:            187
80          After changing error message table:   43
81          After changing table of "verbs"       36
82          After changing table of Posix names   22
83    
84        Thanks to the folks working on Gregex for glib for this insight.
85    
86    11. --disable-stack-for-recursion caused compiling to fail unless -enable-
87        unicode-properties was also set.
88    
89    12. Updated the tests so that they work when \R is defaulted to ANYCRLF.
90    
91    13. Added checks for ANY and ANYCRLF to pcrecpp.cc where it previously
92        checked only for CRLF.
93    
94    14. Added casts to pcretest.c to avoid compiler warnings.
95    
96    15. Added Craig's patch to various pcrecpp modules to avoid compiler warnings.
97    
98    16. Added Craig's patch to remove the WINDOWS_H tests, that were not working,
99        and instead check for _strtoi64 explicitly, and avoid the use of snprintf()
100        entirely. This removes changes made in 7 above.
101    
102    17. The CMake files have been updated, and there is now more information about
103        building with CMake in the NON-UNIX-USE document.
104    
105    
106  Version 7.3 28-Aug-07  Version 7.3 28-Aug-07
107  ---------------------  ---------------------

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