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revision 127 by ph10, Mon Mar 19 11:44:45 2007 UTC revision 167 by ph10, Wed May 9 15:53:54 2007 UTC
# Line 1  Line 1 
1  ChangeLog for PCRE  ChangeLog for PCRE
2  ------------------  ------------------
3    
4  Version 7.1 12-Mar-07  Version 7.2 01-May-07
5    ---------------------
6    
7     1. If the fr_FR locale cannot be found for test 3, try the "french" locale,
8        which is apparently normally available under Windows.
9    
10     2. Re-jig the pcregrep tests with different newline settings in an attempt
11        to make them independent of the local environment's newline setting.
12    
13     3. Add code to configure.ac to remove -g from the CFLAGS default settings.
14    
15     4. Some of the "internals" tests were previously cut out when the link size
16        was not 2, because the output contained actual offsets. The recent new
17        "Z" feature of pcretest means that these can be cut out, making the tests
18        usable with all link sizes.
19    
20     5. Implemented Stan Switzer's goto replacement for longjmp() when not using
21        stack recursion. This gives a massive performance boost under BSD, but just
22        a small improvement under Linux. However, it saves one field in the frame
23        in all cases.
24    
25     6. Added more features from the forthcoming Perl 5.10:
26    
27        (a) (?-n) (where n is a string of digits) is a relative subroutine or
28            recursion call. It refers to the nth most recently opened parentheses.
29    
30        (b) (?+n) is also a relative subroutine call; it refers to the nth next
31            to be opened parentheses.
32    
33        (c) Conditions that refer to capturing parentheses can be specified
34            relatively, for example, (?(-2)... or (?(+3)...
35    
36    
37    Version 7.1 24-Apr-07
38  ---------------------  ---------------------
39    
40   1. Applied Bob Rossi and Daniel G's patches to convert the build system to one   1. Applied Bob Rossi and Daniel G's patches to convert the build system to one
# Line 33  Version 7.1 12-Mar-07 Line 66  Version 7.1 12-Mar-07
66   5. Updated the support (such as it is) for Virtual Pascal, thanks to Stefan   5. Updated the support (such as it is) for Virtual Pascal, thanks to Stefan
67      Weber: (1) pcre_internal.h was missing some function renames; (2) updated      Weber: (1) pcre_internal.h was missing some function renames; (2) updated
68      makevp.bat for the current PCRE, using the additional files      makevp.bat for the current PCRE, using the additional files
69      makevp-compile.txt, makevp-linklib.txt, and pcregexp.pas.      makevp_c.txt, makevp_l.txt, and pcregexp.pas.
70    
71   6. A Windows user reported a minor discrepancy with test 2, which turned out   6. A Windows user reported a minor discrepancy with test 2, which turned out
72      to be caused by a trailing space on an input line that had got lost in his      to be caused by a trailing space on an input line that had got lost in his
# Line 116  Version 7.1 12-Mar-07 Line 149  Version 7.1 12-Mar-07
149  14. If erroroffset was passed as NULL to pcre_compile, it provoked a  14. If erroroffset was passed as NULL to pcre_compile, it provoked a
150      segmentation fault instead of returning the appropriate error message.      segmentation fault instead of returning the appropriate error message.
151    
152    15. In multiline mode when the newline sequence was set to "any", the pattern
153        ^$ would give a match between the \r and \n of a subject such as "A\r\nB".
154        This doesn't seem right; it now treats the CRLF combination as the line
155        ending, and so does not match in that case. It's only a pattern such as ^$
156        that would hit this one: something like ^ABC$ would have failed after \r
157        and then tried again after \r\n.
158    
159    16. Changed the comparison command for RunGrepTest from "diff -u" to "diff -ub"
160        in an attempt to make files that differ only in their line terminators
161        compare equal. This works on Linux.
162    
163    17. Under certain error circumstances pcregrep might try to free random memory
164        as it exited. This is now fixed, thanks to valgrind.
165    
166    19. In pcretest, if the pattern /(?m)^$/g<any> was matched against the string
167        "abc\r\n\r\n", it found an unwanted second match after the second \r. This
168        was because its rules for how to advance for /g after matching an empty
169        string at the end of a line did not allow for this case. They now check for
170        it specially.
171    
172    20. pcretest is supposed to handle patterns and data of any length, by
173        extending its buffers when necessary. It was getting this wrong when the
174        buffer for a data line had to be extended.
175    
176    21. Added PCRE_NEWLINE_ANYCRLF which is like ANY, but matches only CR, LF, or
177        CRLF as a newline sequence.
178    
179    22. Code for handling Unicode properties in pcre_dfa_exec() wasn't being cut
180        out by #ifdef SUPPORT_UCP. This did no harm, as it could never be used, but
181        I have nevertheless tidied it up.
182    
183    23. Added some casts to kill warnings from HP-UX ia64 compiler.
184    
185    24. Added a man page for pcre-config.
186    
187    
188  Version 7.0 19-Dec-06  Version 7.0 19-Dec-06
189  ---------------------  ---------------------

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