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revision 131 by ph10, Mon Mar 26 15:10:12 2007 UTC revision 166 by ph10, Wed May 9 14:48:28 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    
34    Version 7.1 24-Apr-07
35  ---------------------  ---------------------
36    
37   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 63  Version 7.1 12-Mar-07
63   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
64      Weber: (1) pcre_internal.h was missing some function renames; (2) updated      Weber: (1) pcre_internal.h was missing some function renames; (2) updated
65      makevp.bat for the current PCRE, using the additional files      makevp.bat for the current PCRE, using the additional files
66      makevp-c.txt, makevp-l.txt, and pcregexp.pas.      makevp_c.txt, makevp_l.txt, and pcregexp.pas.
67    
68   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
69      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 115  Version 7.1 12-Mar-07 Line 145  Version 7.1 12-Mar-07
145    
146  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
147      segmentation fault instead of returning the appropriate error message.      segmentation fault instead of returning the appropriate error message.
148    
149  15. In multiline mode when the newline sequence was set to "any", the pattern  15. In multiline mode when the newline sequence was set to "any", the pattern
150      ^$ would give a match between the \r and \n of a subject such as "A\r\nB".      ^$ would give a match between the \r and \n of a subject such as "A\r\nB".
151      This doesn't seem right; it now treats the CRLF combination as the line      This doesn't seem right; it now treats the CRLF combination as the line
152      ending, and so does not match in that case. It's only a pattern such as ^$      ending, and so does not match in that case. It's only a pattern such as ^$
153      that would hit this one: something like ^ABC$ would have failed after \r      that would hit this one: something like ^ABC$ would have failed after \r
154      and then tried again after \r\n.      and then tried again after \r\n.
155    
156  16. Changed the comparison command for RunGrepTest from "diff -u" to "diff -ub"  16. Changed the comparison command for RunGrepTest from "diff -u" to "diff -ub"
157      in an attempt to make files that differ only in their line terminators      in an attempt to make files that differ only in their line terminators
158      compare equal. This works on Linux.      compare equal. This works on Linux.
159    
160    17. Under certain error circumstances pcregrep might try to free random memory
161        as it exited. This is now fixed, thanks to valgrind.
162    
163    19. In pcretest, if the pattern /(?m)^$/g<any> was matched against the string
164        "abc\r\n\r\n", it found an unwanted second match after the second \r. This
165        was because its rules for how to advance for /g after matching an empty
166        string at the end of a line did not allow for this case. They now check for
167        it specially.
168    
169    20. pcretest is supposed to handle patterns and data of any length, by
170        extending its buffers when necessary. It was getting this wrong when the
171        buffer for a data line had to be extended.
172    
173    21. Added PCRE_NEWLINE_ANYCRLF which is like ANY, but matches only CR, LF, or
174        CRLF as a newline sequence.
175    
176    22. Code for handling Unicode properties in pcre_dfa_exec() wasn't being cut
177        out by #ifdef SUPPORT_UCP. This did no harm, as it could never be used, but
178        I have nevertheless tidied it up.
179    
180    23. Added some casts to kill warnings from HP-UX ia64 compiler.
181    
182    24. Added a man page for pcre-config.
183    
184    
185  Version 7.0 19-Dec-06  Version 7.0 19-Dec-06

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