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      1 News about PCRE2 releases
      2 -------------------------
      3 
      4 Version 10.22 29-July-2016
      5 --------------------------
      6 
      7 1. ChangeLog has the details of a number of bug fixes.
      8 
      9 2. The POSIX wrapper function regcomp() did not used to support back references
     10 and subroutine calls if called with the REG_NOSUB option. It now does.
     11 
     12 3. A new function, pcre2_code_copy(), is added, to make a copy of a compiled
     13 pattern.
     14 
     15 4. Support for string callouts is added to pcre2grep.
     16 
     17 5. Added the PCRE2_NO_JIT option to pcre2_match().
     18 
     19 6. The pcre2_get_error_message() function now returns with a negative error
     20 code if the error number it is given is unknown.
     21 
     22 7. Several updates have been made to pcre2test and test scripts (see
     23 ChangeLog).
     24 
     25 
     26 Version 10.21 12-January-2016
     27 -----------------------------
     28 
     29 1. Many bugs have been fixed. A large number of them were provoked only by very
     30 strange pattern input, and were discovered by fuzzers. Some others were
     31 discovered by code auditing. See ChangeLog for details.
     32 
     33 2. The Unicode tables have been updated to Unicode version 8.0.0.
     34 
     35 3. For Perl compatibility in EBCDIC environments, ranges such as a-z in a
     36 class, where both values are literal letters in the same case, omit the
     37 non-letter EBCDIC code points within the range.
     38 
     39 4. There have been a number of enhancements to the pcre2_substitute() function,
     40 giving more flexibility to replacement facilities. It is now also possible to
     41 cause the function to return the needed buffer size if the one given is too
     42 small.
     43 
     44 5. The PCRE2_ALT_VERBNAMES option causes the "name" parts of special verbs such
     45 as (*THEN:name) to be processed for backslashes and to take note of
     46 PCRE2_EXTENDED.
     47 
     48 6. PCRE2_INFO_HASBACKSLASHC makes it possible for a client to find out if a
     49 pattern uses \C, and --never-backslash-C makes it possible to compile a version
     50 PCRE2 in which the use of \C is always forbidden.
     51 
     52 7. A limit to the length of pattern that can be handled can now be set by
     53 calling pcre2_set_max_pattern_length().
     54 
     55 8. When matching an unanchored pattern, a match can be required to begin within
     56 a given number of code units after the start of the subject by calling
     57 pcre2_set_offset_limit().
     58 
     59 9. The pcre2test program has been extended to test new facilities, and it can
     60 now run the tests when LF on its own is not a valid newline sequence.
     61 
     62 10. The RunTest script has also been updated to enable more tests to be run.
     63 
     64 11. There have been some minor performance enhancements.
     65 
     66 
     67 Version 10.20 30-June-2015
     68 --------------------------
     69 
     70 1. Callouts with string arguments and the pcre2_callout_enumerate() function
     71 have been implemented.
     72 
     73 2. The PCRE2_NEVER_BACKSLASH_C option, which locks out the use of \C, is added.
     74 
     75 3. The PCRE2_ALT_CIRCUMFLEX option lets ^ match after a newline at the end of a
     76 subject in multiline mode.
     77 
     78 4. The way named subpatterns are handled has been refactored. The previous
     79 approach had several bugs.
     80 
     81 5. The handling of \c in EBCDIC environments has been changed to conform to the
     82 perlebcdic document. This is an incompatible change.
     83 
     84 6. Bugs have been mended, many of them discovered by fuzzers.
     85 
     86 
     87 Version 10.10 06-March-2015
     88 ---------------------------
     89 
     90 1. Serialization and de-serialization functions have been added to the API,
     91 making it possible to save and restore sets of compiled patterns, though
     92 restoration must be done in the same environment that was used for compilation.
     93 
     94 2. The (*NO_JIT) feature has been added; this makes it possible for a pattern
     95 creator to specify that JIT is not to be used.
     96 
     97 3. A number of bugs have been fixed. In particular, bugs that caused building
     98 on Windows using CMake to fail have been mended.
     99 
    100 
    101 Version 10.00 05-January-2015
    102 -----------------------------
    103 
    104 Version 10.00 is the first release of PCRE2, a revised API for the PCRE
    105 library. Changes prior to 10.00 are logged in the ChangeLog file for the old
    106 API, up to item 20 for release 8.36. New programs are recommended to use the
    107 new library. Programs that use the original (PCRE1) API will need changing
    108 before linking with the new library.
    109 
    110 ****
    111