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ChangeLog for PCRE |
ChangeLog for PCRE |
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Version 8.11 24-Nov-2010 |
Version 8.13 30-Apr-2011 |
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1. The Unicode data tables have been updated to Unicode 6.0.0. |
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2. Two minor typos in pcre_internal.h have been fixed. |
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3. Added #include <string.h> to pcre_scanner_unittest.cc, pcrecpp.cc, and |
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pcrecpp_unittest.cc. They are needed for strcmp(), memset(), and strchr() |
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in some environments (e.g. Solaris 10/SPARC using Sun Studio 12U2). |
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4. There were a number of related bugs in the code for matching backrefences |
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caselessly in UTF-8 mode when codes for the characters concerned were |
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different numbers of bytes. For example, U+023A and U+2C65 are an upper |
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and lower case pair, using 2 and 3 bytes, respectively. The main bugs were: |
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(a) A reference to 3 copies of a 2-byte code matched only 2 of a 3-byte |
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code. (b) A reference to 2 copies of a 3-byte code would not match 2 of a |
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2-byte code at the end of the subject (it thought there wasn't enough data |
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left). |
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5. Comprehensive information about what went wrong is now returned by |
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pcre_exec() and pcre_dfa_exec() when the UTF-8 string check fails, as long |
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as the output vector has at least 2 elements. The offset of the start of |
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the failing character and a reason code are placed in the vector. |
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6. When the UTF-8 string check fails for pcre_compile(), the offset that is |
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now returned is for the first byte of the failing character, instead of the |
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last byte inspected. This is an incompatible change, but I hope it is small |
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enough not to be a problem. It makes the returned offset consistent with |
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pcre_exec() and pcre_dfa_exec(). |
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7. pcretest now gives a text phrase as well as the error number when |
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pcre_exec() or pcre_dfa_exec() fails; if the error is a UTF-8 check |
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failure, the offset and reason code are output. |
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Version 8.12 15-Jan-2011 |
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1. Fixed some typos in the markup of the man pages, and wrote a script that |
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checks for such things as part of the documentation building process. |
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2. On a big-endian 64-bit system, pcregrep did not correctly process the |
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--match-limit and --recursion-limit options (added for 8.11). In |
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particular, this made one of the standard tests fail. (The integer value |
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went into the wrong half of a long int.) |
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3. If the --colour option was given to pcregrep with -v (invert match), it |
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did strange things, either producing crazy output, or crashing. It should, |
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of course, ignore a request for colour when reporting lines that do not |
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match. |
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4. Another pcregrep bug caused similar problems if --colour was specified with |
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-M (multiline) and the pattern match finished with a line ending. |
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5. In pcregrep, when a pattern that ended with a literal newline sequence was |
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matched in multiline mode, the following line was shown as part of the |
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match. This seems wrong, so I have changed it. |
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6. Another pcregrep bug in multiline mode, when --colour was specified, caused |
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the check for further matches in the same line (so they could be coloured) |
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to overrun the end of the current line. If another match was found, it was |
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incorrectly shown (and then shown again when found in the next line). |
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7. If pcregrep was compiled under Windows, there was a reference to the |
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function pcregrep_exit() before it was defined. I am assuming this was |
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the cause of the "error C2371: 'pcregrep_exit' : redefinition;" that was |
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reported by a user. I've moved the definition above the reference. |
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Version 8.11 10-Dec-2010 |
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1. (*THEN) was not working properly if there were untried alternatives prior |
1. (*THEN) was not working properly if there were untried alternatives prior |
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memory required was incorrectly computed, leading to "Failed: internal |
memory required was incorrectly computed, leading to "Failed: internal |
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error: code overflow". This has been fixed. |
error: code overflow". This has been fixed. |
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22. Some patches to pcre_stringpiece.h, pcre_stringpiece_unittest.cc, and |
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pcretest.c, to avoid build problems in some Borland environments. |
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Version 8.10 25-Jun-2010 |
Version 8.10 25-Jun-2010 |
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