xref: /PHP-5.4/ext/mbstring/oniguruma/HISTORY (revision 8d86597d)
1History
2
32007/08/16: Version 4.7.1
4
52007/08/16: [test] success in ruby 1.9.0 (2007-04-06) [i686-linux].
62007/07/04: [spec] (thanks K.Takata)
7                   ONIG_OPTION_SINGLELINE: '$' -> '\Z'  (as Perl)
82007/07/04: [dist] (thanks K.Takata)
9                   fix documents API and API.ja.
10
112007/06/18: Version 4.7.0
12
132007/06/18: [test] success in ruby 1.9.0 (2007-04-06) [i686-linux].
142007/06/18: [bug]  (thanks KUBO Takehiro)
15                   WORD_ALIGNMENT_SIZE must be sizeof(OnigCodePoint).
162007/06/05: [impl] add #ifndef vsnprintf in regint.h.
172007/06/05: [bug]  should check USE_CRNL_AS_LINE_TERMINATOR case
18                   in onig_search().
19
202007/04/12: Version 4.6.2
21
222007/04/09: [impl] change STATE_CHECK_BUFF_MAX_SIZE value from 0x8000
23                   to 0x4000.
242007/03/26: [impl] add 'void' to function declarations.
25
262007/03/06: Version 4.6.1
27
282007/03/06: [test] success in ruby 1.9.0 (2006-10-23) [i686-linux].
292007/03/06: [bug]  add #include <malloc.h> for bcc32.
30                   (In bcc32, alloca() is declared in malloc.h.)
312007/03/06: [impl] remove including version.h of Ruby.
322007/03/02: [bug]  invalid optimization for semi-end-buf in onig_search().
33                   ex. /\n\Z/.match("aaaaaaaaaa\n")
342007/03/02: [impl] move range > start check position in end_buf process.
35
362007/02/08: Version 4.6.0
37
382007/02/08: [test] success in ruby 1.9.0 (2006-10-23) [i686-linux].
392007/01/09: [tune] select_opt_exact_info() didn't work for empty info.
40                   ex. /.a/ make MAP info instead of EXACT info.
412006/12/29: [impl] add print_enc_string() for ONIG_DEBUG mode.
422006/12/22: [spec] should check too short multibyte char in parse_exp().
43                   add USE_PAD_TO_SHORT_BYTE_CHAR.
44                   ex. /\x00/ in UTF16 should be error.
45
462006/11/17: Version 4.5.1
47
482006/11/17: [test] success in ruby 1.9.0 (2006-10-23) [i686-linux].
492006/11/15: [impl] remove CHECK_INTERRUPT.
502006/11/10: [bug]  0x24, 0x2b, 0x3c, 0x3d, 0x3e, 0x5e, 0x60, 0x7c, 0x7e
51                   should be [:punct:].
522006/11/08: [impl] rename QUALIFIER -> QUANTIFIER.
532006/11/07: [bug]  (thanks Byte)
54                   add 0xa3 <=> 0xb3 to CaseFoldMap[] for KOI8-R.
55
562006/11/06: Version 4.5.0
57
582006/11/06: [test] success in ruby 1.9.0 (2006-10-23) [i686-linux].
592006/11/06: [API]  remove ONIGENC_AMBIGUOUS_MATCH_COMPOUND.
602006/11/06: [spec] change ONIG_OPTION_FIND_LONGEST to search all of
61                   the string range.
62                   add USE_FIND_LONGEST_SEARCH_ALL_OF_RANGE.
63
642006/10/30: Version 4.4.6
65
662006/10/30: [test] success in ruby 1.9.0 (2006-10-23) [i686-linux].
672006/10/30: [impl] (thanks K.Takata)
68                   add THREAD_SYSTEM_INIT and THREAD_SYSTEM_END.
692006/10/30: [bug]  (thanks Wolfgang Nadasi-Donner)
70                   invalid offset value was used in STATE_CHECK_BUFF_INIT().
71
722006/10/24: Version 4.4.5
73
742006/10/24: [test] success in ruby 1.9.0 (2006-10-23) [i686-linux].
752006/10/24: [impl] escape -Wall warning.
762006/10/24: [tune] (thanks Kornelius Kalnbach)
77                   String#scan for long string needs long time compare with
78                   old Ruby
79                   by initialization time for combination explosion check
80                   ex. ("test " * 100_000).scan(/\w*\s?/)
81                   change STATE_CHECK_BUFF_MAX_SIZE from 0x8000000 to 0x8000.
82                   reduce initialization area of state_check_buff.
832006/10/16: [bug]  (thanks Akinori Musha)
84                   first argument of rb_warn() should be format string.
852006/10/10: [impl] add msa.state_check_buff_size initialization
86                   in onig_search().
872006/10/10: [bug]  should call onig_st_free_table() in
88                   onig_free_shared_cclass_table().
892006/10/10: [impl] remove OP_WORD_SB and OP_WORD_MB.
902006/09/29: [impl] initialize state_check_buff_size in STATE_CHECK_BUFF_INIT().
91                   make valgrind happy.
922006/09/22: [impl] convert to ascii for parameter string in
93                   onig_error_code_to_str().
94                   add enc member into OnigErrorInfo.
95
962006/09/19: Version 4.4.4
97
982006/09/19: [test] success in ruby 1.9.0 (2006-08-22) [i686-linux].
992006/09/19: [impl] (thanks KOYAMA Tetsuji)
100                   HAVE_STDARG_PROTOTYPES was not defined in Mac OS X
101                   by Xcode 2.4(gcc 4.0.1) problem. [php-dev 1312] etc...
102
1032006/09/15: Version 4.4.3
104
1052006/09/15: [test] success in ruby 1.9.0 (2006-08-22) [i686-linux].
1062006/09/15: [bug]  (thanks Allan Odgaard)
107                   out of range access in bm_search_notrev().
108                   (p < s)
109
1102006/09/08: Version 4.4.2
111
1122006/09/08: [test] success in ruby 1.9.0 (2006-08-22) [i686-linux].
1132006/09/08: [bug]  (thanks K.Takata)
114                   out of range access in bm_search_notrev().
1152006/09/04: [spec] (thanks K.Takata)
116                   allow look-behind in negative look-behind.
117                   ex. /(?<!(?<=a)b|c)d/
118
1192006/08/29: Version 4.4.1
120
1212006/08/29: [test] success in ruby 1.9.0 (2006-08-22) [i686-linux].
1222006/08/29: [dist] (thanks Seiji Masugata)
123                    add configure option --enable-combination-explosion-check
124
1252006/08/25: Version 4.4.0
126
1272006/08/25: [test] success in ruby 1.9.0 (2006-08-22) [i686-linux].
1282006/08/25: [impl] add_state_check_num() should be enclosed in
129                   ifdef USE_COMBINATION_EXPLOSION_CHECK.
1302006/08/23: [spec] config USE_COMBINATION_EXPLOSION_CHECK is enabled
131                   in Ruby mode only.
1322006/08/22: [impl] remove last line comma in enum OpCode.
1332006/08/22: [impl] remove OP_STATE_CHECK_ANYCHAR_STAR_PEEK_NEXT and
134                   OP_STATE_CHECK_ANYCHAR_ML_STAR_PEEK_NEXT.
1352006/08/22: [impl] remove OP_BACKREF3.
136
1372006/08/21: Version 4.3.1
138
1392006/08/21: [test] success in ruby 1.9.0 (2006-07-28) [i686-linux].
1402006/08/21: [impl] change stack type values
141                   and re-define STK_MASK_TO_VOID_TARGET etc...
1422006/08/21: [impl] set repeat_range[].upper to 0x7fffffff as infinite.
1432006/08/21: [impl] add STATE_CHECK_BUFF_MALLOC_THRESHOLD_SIZE.
1442006/08/21: [impl] reduce (?:a*){n,m}, (?:a+){n,m} => (?:a*){n,n}, (?:a+){n,n}
1452006/09/21: [impl] reduce (a*){n,m}, (a+){n,m} => (a*){n,n}, (a+){n,n}
146                   if backreference is not used.
1472006/08/17: [bug]  should check scan_env.num_call > 0 for backrefed pattern
148                   in combination explosion check.
149
1502006/08/17: Version 4.3.0
151
1522006/08/17: [test] success in ruby 1.9.0 (2006-07-28) [i686-linux].
1532006/08/17: [new]  add config USE_COMBINATION_EXPLOSION_CHECK.
154                   check /(.+)*/, /(\s*foo\s*)*/ etc...
155            [API]  add num_comb_exp_check member in regex_t.
156            [dist] change LTVERSION value to "1:0:0" in configure.in.
1572006/08/15: [bug]  OP_REPEAT_INC process in match_at().
158                   should check repeat-count >= range-upper and
159                   range-upper may be infinite.
160
1612006/08/11: Version 4.2.3
162
1632006/08/11: [test] success in ruby 1.9.0 (2006-07-28) [i686-linux].
1642006/08/10: [impl] remove double call in set_qualifier().
1652006/08/10: [impl] remove by_number member in QualifierNode.
1662006/08/09: [impl] remove a comma at the end of enum ReduceType
167                   for escape warning on Mac OS X.
1682006/08/07: [impl] remove warning in regcomp.c.
1692006/08/07: [spec] move definition of USE_BACKREF_AT_LEVEL into NOT_RUBY.
170
1712006/08/03: Version 4.2.2
172
1732006/08/03: [test] success in ruby 1.9.0 (2006-07-28) [i686-linux].
1742006/08/03: [bug]  (thanks Hiroyuki Yamamoto)
175                   segmentation fault in regexec(). (POSIX API)
1762006/08/02: [bug]  combination of \G in look-ahead/look-behind and other
177                   anchors(\A, \z, \Z) cause invalid result.
178                   ex. /(?!\G)a\z/.match("ba")
179                   start arg. of MATCH_ARG_INIT() should be original
180                   arg. of onig_search().
181
1822006/07/31: Version 4.2.1
183
1842006/07/31: [test] success in ruby 1.9.0 (2006-07-28) [i686-linux].
1852006/07/31: [bug] (thanks Kimura Minoru)
186                   re-implement bm_search_notrev().
1872006/07/31: [impl] bm_search_notrev() refactoring.
1882006/07/31: [bug]  (thanks Kimura Minoru)
189                   fix incomplete multibyte string in exact info.
1902006/07/31: [impl] (thanks Seiji Masugata)
191                   remove cast in va_init_list() for Intel C Compiler.
192
1932006/07/18: Version 4.2.0
194
1952006/07/18: [test] success in ruby 1.9.0 (2006-03-01) [i686-linux].
1962006/07/18: [new]  (thanks Wolfgang Nadasi-Donner)
197                   add back reference with nest level.
198                   \k<name+n>, \k<name-n>
1992006/07/11: [impl] change long to unsigned long for ONIG_OPTION_XXX
200                   and ONIG_SYN_XXX number literals.
201
2022006/07/03: Version 4.1.2
203
2042006/07/03: [test] success in ruby 1.9.0 (2006-03-01) [i686-linux].
2052006/07/03: [spec] (thanks Wolfgang Nadasi-Donner)
206                   allow \G in look-behind.
207                   add ANCHOR_BEGIN_POSITION flag in setup_tree().
2082006/06/12: [impl] (thanks matz)
209                    fix cast from char* to const char*
210                    in onig_snprintf_with_pattern().
211                    fix cast from char* to const char*
212                    for PopularQStr[] and ReduceQStr[].
213
2142006/05/22: Version 4.1.1
215
2162006/05/22: [test] success in ruby 1.9.0 (2006-03-01) [i686-linux].
2172006/05/22: [impl] add position string argument to STACK_BASE_CHECK().
2182006/05/22: [bug]  (thanks NARUSE, Yui)
219                   add STK_NULL_CHECK_END to IS_TO_VOID_TARGET().
220                   ex. core dump in
221                   /(?<pare>\(([^\(\)]++|\g<pare>)*+\))/.match('((a))')
222
2232006/05/15: Version 4.1.0
224
2252006/05/15: [test] success in ruby 1.9.0 (2006-03-01) [i686-linux].
2262006/05/15: [impl] thread atomic changes for onig_end() and
227                   onig_free_node_list().
2282006/05/15: [test] success in ruby 1.9.0 (2006-03-01) [i686-linux].
2292005/05/15: [dist] update API, API.ja, FAQ, FAQ.ja.
2302006/05/15: [spec] remove onig_recompile(), onig_recompile_deluxe()
231                   and re_recompile_pattern().
232                   add config USE_RECOMPILE_API.
2332006/05/15: [impl] improved thread safe implementation of onig_search()
234                   and onig_match().
235
2362006/05/11: Version 4.0.4
237
2382006/05/11: [test] success in ruby 1.9.0 (2006-03-01) [i686-linux].
2392006/05/11: [bug]  (thanks Yuji Kaneda)
240                   dead-lock in onig_end().
2412006/05/11: [dist] update index.html.
242
2432006/05/08: Version 4.0.3
244
2452006/05/08: [test] success in ruby 1.9.0 (2006-03-01) [i686-linux].
2462006/05/08: [bug]  (thanks Allan Odgaard)
247                   Segmentation fault in backward search.
248                   ex. /^\t.*$/
2492006/04/18: [dist] update index.html.
2502006/04/05: [dist] update index.html.
2512006/03/24: [dist] update doc/RE, doc/RE.ja.
252
2532006/03/23: Version 4.0.2
254
2552006/03/22: [test] success in ruby 1.9.0 (2006-03-01) [i686-linux].
2562006/03/22: [impl] add both of ONIG_OPTION_DONT_CAPTURE_GROUP
257                   and ONIG_OPTION_CAPTURE_GROUP check.
2582006/03/22: [spec] add error code ONIGERR_INVALID_COMBINATION_OF_OPTIONS.
2592006/03/22: [impl] remove USE_NAMED_GROUP condition from
260                   ONIG_OPTION_DONT_CAPTURE_GROUP check in parse_effect().
2612006/03/22: [new]  add API onig_noname_group_capture_is_active().
2622006/03/01: [spec] rename regex object type from regex_t to OnigRegexType.
263                   add typedef OnigRegexType regex_t
264                   unless ONIG_ESCAPE_REGEX_T_COLLISION is defined.
2652006/02/27: [spec] change ONIG_MAX_MULTI_BYTE_RANGES_NUM from 1000
266                   to 10000.  (for docdiff program)
2672006/02/17: [dist] change COPYING year 2005 -> 2006.
268
2692006/02/07: Version 4.0.1
270
2712006/02/07: [test] success in ruby 1.9.0 (2005-11-28) [i686-linux].
2722006/02/07: [bug]  memory leaks in onig_free_shared_cclass_table().
2732006/02/03: [ruby] add -m 0644 option to install command in "make 19".
2742006/02/03: [impl] rename ANCHOR_ANYCHAR_STAR_PL to ANCHOR_ANYCHAR_STAR_ML.
275                   change from IS_POSIXLINE() to IS_MULTILINE()
276                   for ANCHOR_ANYCHAR_START/_ML decision
277                   in optimize_node_left().
2782006/01/26: [dist] update index.html for Oniguruma 2.5.3.
2792006/01/25: [dist] update URL in index.html.
280
2812006/01/24: Version 4.0.0
282
2832006/01/24: [test] success in ruby 1.9.0 (2005-11-28) [i386-cygwin].
2842006/01/24: [test] success in ruby 1.9.0 (2005-11-28) [i686-linux].
2852006/01/24: [dist] remove warnings from sample/encode.c.
2862006/01/24: [dist] change install description in README(.ja).
2872006/01/24: [dist] remove re.c.XXX.patch from distribution and CVS.
2882006/01/24: [dist] --- support shared library ---
289                   use GNU libtool/automake.
290                   change configure.in and add Makefile.am, sample/Makefile.am.
291                   add AUTHORS file.
2922006/01/24: [dist] test programs return exit code -1 when test fails.
2932006/01/24: [bug] (thanks KIMURA Koichi)
294                   invalid syntax definition in ONIG_SYNTAX_GREP.
295                   ONIG_SYN_OP_BRACE_INTERVAL
296                   -> ONIG_SYN_OP_ESC_BRACE_INTERVAL
2972006/01/23: [dist] fix configure.in for onig-config.
2982006/01/19: [new]  add new config USE_UNICODE_ALL_LINE_TERMINATORS.
299                   (U+000d, U+0085, U+2028, U+2029)
3002005/12/29: [dist] change pmatch array size to 25 in testconv.rb.
3012005/12/26: [dist] fix name in test.rb.
3022005/12/26: [dist] update index.html for 2.5.1.
303
3042005/11/29: Version 3.9.1
305
3062005/11/29: [test] success in ruby 1.9.0 (2005-11-28) [i686-linux].
3072005/11/24: [test] success in ruby 1.9.0 (2005-08-09) [i686-linux].
3082005/11/21: [test] success in ruby 1.9.0 (2005-11-20) [i386-cygwin].
3092005/11/21: [bug]  (thanks Allan Odgaard)
310                   utf-8 character comments in extended mode leads
311                   invalid result.
312                   ex. /(?x)(?<= # <any-utf-8 multibyte char>o\n~) /
313                   fix onigenc_unicode_is_code_ctype() and
314                   utf8_is_code_ctype().
3152005/11/20: [bug]  (thanks MATSUMOTO Satoshi) (thanks Isao Sonobe)
316                   begin-line anchor and BM search optimization leads
317                   invalid result in UTF-16/32.
318                   fix in set_optimize_exact_info().
319
3202005/11/20: Version 3.9.0
321
3222005/11/20: [test] success in ruby 1.9.0 (2005-11-20) [i386-cygwin].
3232005/11/20: [test] success in ruby 1.9.0 (2005-10-18) [i386-cygwin].
3242005/11/20: [new]  add new config USE_CRNL_AS_LINE_TERMINATOR.
325                   (!!! NO SUPPORT experimental option !!!)
3262005/11/15: [bug]  (thanks Allan Odgaard)
327                   tok->escape was not cleared in fetch_token_in_cc().
328                   ex. [\s&&[^\n]] makes wrong result.
3292005/10/18: [impl] (thanks nobu)
330                   change sjis_mbc_enc_len()
331                   and node_new_cclass_by_codepoint_range() scope to static.
3322005/09/05: [dist] remove link to MultiFind.
3332005/09/01: [dist] add link to yagrep.
334
3352005/08/23: Version 3.8.9
336
3372005/08/23: [test] success in ruby 1.9.0 (2005-08-09) [i686-linux].
3382005/08/23: [inst] fix Makefile.in for make ctest/ptest.
339
3402005/08/23: Version 3.8.8
341
3422005/08/23: [test] success in ruby 1.9.0 (2005-08-09) [i686-linux].
3432005/08/23: [impl] split is_code_in_cc() from onig_is_code_in_cc().
3442005/08/23: [impl] should check DATA_ENSURE() at OP_CCLASS_NODE in match_at().
3452005/08/23: [impl] (thanks akr)
346                   add ONIG_OPTION_MAXBIT for escape conflict with
347                   Ruby's option.
3482005/08/22: [impl] escape GCC 4.0 warnings for testc.c.
3492005/08/22: [bug]  (thanks nobu, matz) [ruby-dev:26840]
350                   UTF-8 0xFE, 0xFF handling bug in code_is_in_cclass_node().
351                   abort on /\S*/ =~ "\xfe"
3522005/08/22: [impl] escape GCC 4.0 warnings for sample/*.c.
3532005/08/22: [impl] fix testconvu.rb.
3542005/08/22: [impl] escape GCC 4.0 warnings.
355
3562005/08/09: Version 3.8.7
357
3582005/08/09: [test] success in ruby 1.9.0 (2005-08-09) [i686-linux].
3592005/08/09: [bug]  (thanks Allan Odgaard)
360                   should not call enc_len() for s == range
361                   in onig_search().
3622005/08/01: [dist] add mkdir $prefix, mkdir $exec_prefix to make install.
363
3642005/07/27: Version 3.8.6
365
3662005/07/27: [test] success in ruby 1.9.0 (2005-07-26) [i686-linux].
3672005/07/27: [impl] update onig-config.in.
3682005/07/26: [new]  (thanks Yen-Ju Chen)
369                   add Oniguruma configuration check program.
370                   (onig-config.in)
371
3722005/07/14: Version 3.8.5
373
3742005/07/14: [test] success in ruby 1.9.0 (2005-07-14) [i686-linux].
3752005/07/11: [test] success in ruby 1.9.0 (2005-07-04) [i686-linux].
3762005/07/11: [bug]  (thanks nobu) [ruby-dev:26505]
377                   invalid handling for /\c\x/ and /\C-\x/.
378                   fix fetch_escaped_value().
3792005/07/05: [impl] (thanks Alexey Zakhlestine)
380                   escape GCC 4.0 warnings.
381
3822005/07/01: Version 3.8.4
383
3842005/07/01: [test] success in ruby 1.9.0 (2005-07-01) [i686-linux].
3852005/06/30: [test] success in ruby 1.9.0 (2005-06-28) [i686-linux].
3862005/06/30: [dist] add GB 18030 test to sample/encode.c.
3872005/06/30: [impl] escape warning of gb18030_left_adjust_char_head().
3882005/06/30: [new]  (contributed by KUBO Takehiro)
389                   add new character encoding ONIG_ENCODING_GB18030.
3902005/06/30: [bug]  invalid ctype check for multibyte encodings.
391                   ("graph", "print")
392                   fix onigenc_mb2/4_is_code_ctype(),
393                   eucjp_is_code_ctype() and sjis_is_code_ctype().
3942005/06/30: [bug]  invalid conversion from code point to mbc in
395                   onigenc_mb4_code_to_mbc().
396
3972005/06/28: Version 3.8.3
398
3992005/06/28: [test] success in ruby 1.9.0 (2005-06-28) [i686-linux].
4002005/06/27: [test] success in ruby 1.9.0 (2005-05-31) [i686-linux].
4012005/06/27: [bug]  (thanks Wolfgang Nadasi-Donner)
402                   invalid check for never ending recursion.
403                   lower zero quantifier should be treated as
404                   a non-recursive call alternative.
405                   ex. /(?<bal>[^()]*(\(\g<bal>\)[^()]*)*)/
4062005/06/15: [impl] add divide_ambig_string_node_sub().
4072005/06/15: [dist] add a test to sample/encode.c.
4082005/06/10: [new]  add ONIG_SYNTAX_PERL_NG. (Perl + named group)
409
4102005/06/01: Version 3.8.2
411
4122005/06/01: [test] success in ruby 1.9.0 (2005-05-31) [i686-linux].
4132005/05/31: [dist] add doc/FAQ and doc/FAQ.ja.
4142005/05/31: [impl] minor change in node_new().
4152005/05/30: [test] success in ruby 1.9.0 (2005-05-11) [i686-linux].
4162005/05/30: [bug]  (thanks Allan Odgaard)
417                   FreeNodeList null check should be on thread-atomic
418                   in node_new().
419
4202005/05/11: Version 3.8.1
421
4222005/05/11: [test] success in ruby 1.9.0 (2005-05-11) [i386-mswin32].
4232005/05/11: [dist] update win32/Makefile (make 19).
4242005/05/11: [test] success in ruby 1.9.0 (2005-05-11) [i686-linux].
4252005/05/06: [test] success in ruby 1.9.0 (2005-05-06) [i686-linux].
4262005/05/06: [impl] (thanks nobu) [ruby-core:4815]
427                   add #ifdef USE_VARIABLE_META_CHARS to goto label.
4282005/04/25: [test] success in ruby 1.9.0 (2005-04-25) [i686-linux].
4292005/04/25: [impl] change DEFAULT_WARN_FUNCTION and DEFAULT_VERB_WARN_FUNCTION
430                   to onig_rb_warn() and onig_rb_warning().
431
4322005/04/15: Version 3.8.0
433
4342005/04/15: [test] success in ruby 1.9.0 (2005-04-14) [i686-linux].
4352005/04/01: [test] success in ruby 1.9.0 (2005-03-24) [i686-linux].
4362005/04/01: [impl] (thanks Joe Orton)
437                   (thanks Moriyoshi Koizumi)
438                   many const-ification to many *.[ch] files.
439
4402005/03/25: Version 3.7.2
441
4422005/03/25: [test] success in ruby 1.9.0 (2005-03-24) [i686-linux].
4432005/03/23: [test] success in ruby 1.9.0 (2005-03-20) [i686-linux].
4442005/03/23: [test] success in ruby 1.9.0 (2005-03-08) [i686-linux].
4452005/03/23: [new]  add ONIG_SYNTAX_ASIS.
4462005/03/23: [new]  add ONIG_SYN_OP2_INEFFECTIVE_ESCAPE.
4472005/03/09: [spec] rename MBCTYPE_XXX to RE_MBCTYPE_XXX. (GNU API)
4482005/03/08: [test] success in ruby 1.9.0 (2005-03-08) [i686-linux].
4492005/03/08: [impl] (thanks matz) [ruby-dev:25783]
450                   should not allocate memory for key data in st.c.
451                   move st_*_strend() functions from st.c. fixed some
452	           potential memory leaks.
453                   (imported from Ruby 1.9 2005-03-08)
454
4552005/03/07: Version 3.7.1
456
4572005/03/07: [test] success in ruby 1.9.0 (2005-03-07) [i686-linux].
4582005/03/07: [impl] (thanks Rui Hirokawa)
459                   add ONIG_ESCAPE_UCHAR_COLLISION.
460                   rename UChar to OnigUChar in oniguruma.h.
4612005/03/07: [impl] remove declarations for Ruby in oniggnu.h.
4622005/03/05: [bug]  ANCHOR_ANYCHAR_STAR didn't work in onig_search().
4632005/03/01: [dist] remove oniggnu.h from MANIFEST-RUBY.
464                   remove oniggnu.h from make 19.
4652005/03/01: [bug]  (thanks matz) [ruby-dev:25778]
466                   uninitialized member (OptEnv.backrefed_status)
467                   was used.
468
4692005/02/19: Version 3.7.0
470
4712005/02/19: [test] success in ruby 1.9.0 (2005-02-19) [i386-cygwin].
4722005/02/19: [new]  (thanks Minero Aoki)
473                   add onig_region_set().
4742005/02/19: [API]  change onig_region_init() to extern.
4752005/02/19: [dist] remove reggnu.c from MANIFEST-RUBY.
476                   remove reggnu.c from make 19.
4772005/02/19: [dist] update doc/API and doc/API.ja.
4782005/02/19: [test] success in ruby 1.9.0 (2005-02-19) [i386-cygwin].
4792005/02/19: [impl] (thanks Alexey Zakhlestine)
480                   change UChar* to const UChar* in oniguruma.h,
481                   regenc.h and regparse.h.
4822005/02/13: [impl] change UChar* to const UChar* in oniguruma.h and
483                   onigposix.h and st.h.
4842005/02/12: [test] success in ruby 1.9.0 (2005-02-11) [i386-cygwin].
4852005/02/12: [bug]  (thanks nobu) [ruby-dev:25676]
486                   type_cclass_hash() fix overrun.
4872005/02/09: [test] success in ruby 1.9.0 (2005-02-09) [i686-linux].
4882005/02/09: [spec] add RE_OPTION_FIND_NOT_EMPTY etc.. to oniggnu.h.
4892005/02/09: [dist] remove hash.c.patch.
4902005/02/07: [impl] remove re_mbctab, mbctab_ascii etc...
491                   (USE_COMPATIBILITY_FOR_RUBY_EXTENSION_LIBRARY)
492
4932005/02/04: Version 3.6.0
494
4952005/02/04: [test] success in ruby 1.9.0 (2005-02-04) [i686-linux].
4962005/02/01: [bug]  add key_free() call to st_free_table().
4972005/02/01: [new]  add onig_get_default_ambig_flag() and
498                   onig_set_default_ambig_flag().
4992005/02/01: [dist] update MANIFEST-RUBY.
5002005/01/31: [test] success in ruby 1.9.0 (2005-01-29) [i686-linux].
5012005/01/31: [spec] remove ONIGENC_AMBIGUOUS_MATCH_COMPOUND
502                   from ONIGENC_AMBIGUOUS_MATCH_DEFAULT.
5032005/01/31: [dist] update Makefile.in (make 19).
5042005/01/29: [memo] (thanks Kazuo Saito)
505                   Oniguruma 3.5.4 was merged to Ruby 1.9.0.
5062005/01/28: [impl] (thanks UK-taniyama)
507                   add extern "C" { } directive to oniguruma.h, oniggnu.h
508                   and onigposix.h for C++.
5092005/01/25: [impl] remove nested function call for xxx_code_to_mbclen().
510                   (euc_kr.c, euc_tw.c, big5.c)
511
5122005/01/19: Version 3.5.4
513
5142005/01/19: [test] success in ruby 1.9.0 (2005-01-05) [i686-linux].
5152005/01/19: [bug]  (thanks Isao Sonobe)
516                   callback function argument name_end of onig_foreach_name()
517                   was wrong.
518                   name key of name table should be null terminated for
519                   character encoding length.
520                   add strdup_with_null(), rename onig_strdup() to k_strdup().
521                   use e->name_len in i_names().
5222005/01/17: [impl] (thanks UK-taniyama)
523                   add HAVE_SYS_TYPES_H to config.h.in.
524
5252005/01/13: Version 3.5.3
526
5272005/01/13: [test] success in ruby 1.9.0 (2005-01-05) [i686-linux].
5282005/01/13: [bug]  ignore case match bug.
529                   ex. /s+/iu.match("SSSSS") ==> [4..5]
530                   fix OP_EXACT1_IC, OP_EXACTN_IC process.
5312005/01/13: [bug]  (thanks Isao Sonobe)
532                   ignore case match bug.
533                   ex. /is/iu.match("ss") fail.
534                   fix str_lower_case_match() etc.
535
5362005/01/05: Version 3.5.2
537
5382005/01/05: [test] success in ruby 1.9.0 (2005-01-05) [i686-linux].
5392005/01/05: [test] success in ruby 1.9.0 (2004-12-16) [i686-linux].
5402005/01/05: [bug]  (thanks Isao Sonobe)
541                   ignore case match bug.
542                   ex. /s+/iu.match("sssss") ==> [4..5]
543                   fix OP_EXACT1_IC, OP_EXACTN_IC process.
5442005/01/05: [bug]  (thanks Isao Sonobe)
545                   group name table should be renumbered.
546                   add onig_renumber_name_table().
5472004/12/24: [dist] remove file onigcmpt200.h.
548
5492004/12/17: Version 3.5.1
550
5512004/12/17: [dist] add INSTALL-RUBY to archive.
5522004/12/16: [test] success in ruby 1.9.0 (2004-12-16) [i686-linux].
5532004/12/16: [dist] update hash.c.patch.
5542004/12/15: [bug]  (thanks matz)
555                   char > 127 should be casted to unsigned char. (utf8.c)
5562004/12/13: [impl] add HAVE_PROTOTYPES and HAVE_STDARG_PROTOTYPES definition
557                   to oniguruma.h in the case __cplusplus.
5582004/12/06: [dist] update doc/RE and doc/RE.ja.
5592004/12/03: [impl] (thanks nobu)
560                   st.h fix prototype for C++.
561
5622004/12/03: Version 3.5.0
563
5642004/12/02: [test] success in ruby 1.9.0 (2004-12-02) [i686-linux].
5652004/12/01: [test] success in ruby 1.9.0 (2004-12-01) [i386-mswin32].
5662004/12/01: [dist] add make targets 19 and 19up to win32/Makefile.
5672004/12/01: [test] success in ruby 1.9.0 (2004-12-01) [i386-cygwin].
5682004/12/01: [test] success in ruby 1.9.0 (2004-12-01) [i686-linux].
5692004/12/01: [impl] double cast for escape warning in Cygwin.
570                  (HashDataType* )((void* )(&e)) in regparse.c
5712004/12/01: [test] success in ruby 1.9.0 (2004-11-30) [i686-linux].
5722004/12/01: [tune] change implementation of clear_opt_map_info().
573                   (which was 10-16% cost in gprof result for my test program)
5742004/12/01: [dist] remove regex.c from distribution files.
5752004/11/30: [memo] remove targets 16 and 18 from Makefile.in.
5762004/11/30: [test] success in ruby 1.9.0 (2004-11-30) [i686-linux].
5772004/11/30: [inst] add "cp -p st.[ch] st.[ch].ruby_orig" to "make 19".
5782004/11/30: [tune] map_position_value() return 20 if code is 0
579                   and minimum enclen > 1.
5802004/11/30: [test] success in ruby 1.9.0 (2004-11-29) [i686-linux].
5812004/11/30: [impl] minor changes for multi-thread in regexec.c and regcomp.c.
5822004/11/30: [impl] change THREAD_PASS_LIMIT_COUNT value from 10 to 8.
5832004/11/30: [impl] add THREAD_ATOMIC_XXX to FreeNodeList access in regparse.c
5842004/11/29: [impl] add USE_MULTI_THREAD_SYSTEM.
5852004/11/29: [memo] add hash.c.patch to CVS.
5862004/11/29: [dist] change mail address to 'sndgk393 AT ...'
5872004/11/29: [dist] add -s option (silent mode) to test.rb.
5882004/11/29: [tune] change THRESHOLD_RANGE_NUM_FOR_SHARE_CCLASS value
589                   from 20 to 8.
5902004/11/29: [inst] add make target "19up".
5912004/11/29: [dist] change Oniguruma Home Page URL.
5922004/11/29: [impl] remove onig_is_in_code_range_array().
5932004/11/29: [dist] fix doc/RE and RE.ja (character types).
5942004/11/26: [dist] fix win32/Makefile.
5952004/11/26: [dist] fix doc/RE and RE.ja (multibyte character types).
5962004/11/26: [impl] add onig_free_shared_cclass_table().
5972004/11/26: [impl] move definition USE_UNICODE_FULL_RANGE_CTYPE to regenc.h.
5982004/11/26: [impl] add opcode OP_CCLASS_NODE.
5992004/11/26: [impl] move definition of CClassNode to regint.h.
6002004/11/26: [impl] add type PointerType in regint.h.
6012004/11/25: [impl] remove ONIGENC_CTYPE_MOD_NOT.
6022004/11/25: [impl] rename onig_node_new_cclass_by_codepoint_range to
603                   node_new_cclass_by_codepoint_range.
6042004/11/25: [impl] remove get_type_cc_node method from OnigEncodingType.
6052004/11/25: [impl] move implementation of shared char-class from enc/*.c
606                   to regparse.c.
6072004/11/25: [dist] add hash.c.patch for Ruby 1.9 hash.c change.
6082004/11/22: [impl] change utf8_get_type_node().
6092004/11/22: [impl] add ONIGENC_CTYPE_MOD_NOT.
6102004/11/22: [bug]  (thanks MIYAMUKO Katsuyuki)
611                   ruby make test fail in HP-UX B.11.23 ia64.
612                   should use tok->u.code instead of tok->u.c in
613                   the case of TK_CODE_POINT.
6142004/11/19: [bug]  (thanks Yoshida Masato)
615                   invalid multibyte code causes segmentation fault.
616                   ex.  /[\xFF-\xFF]/u
6172004/11/19: [bug]  (thanks Yoshida Masato)
618                   illegal check in char-class range in UTF-8.
619                   ex.  s = "[\xC2\xA0-\xC3\xBE]"
620                        p(Regexp.new(s, nil, "u") =~ "\xC3\xBE")
6212004/11/18: [impl] add onig_node_new_cclass_by_codepoint_range().
6222004/11/18: [impl] remove OnigCodePointRange type. (use OnigCodePoint[].)
6232004/11/17: [bug]  (thanks nobu)
624                   abort in "a".gsub(/a\Z/, "")
625                   fix ONIGENC_STEP_BACK() argument in onig_search().
6262004/11/16: [impl] add key2 member to st_table_entry in st.[ch].
627                   change API of st for non-null terminated string key.
6282004/11/16: [impl] add get_type_cc_node method to OnigEncodingType.
6292004/11/15: [impl] add st.h and st.c from Ruby 1.9.
630                   use st-hash always.
6312004/11/12: [impl] change menber 'not' of CClassNode to 'flags'.
632                   add flags FLAG_CCLASS_NOT and FLAG_CCLASS_SHARE.
6332004/11/12: [impl] add onig_is_in_code_range_array() to enc/unicode.c.
6342004/11/12: [impl] fix CRWord in enc/unicode.c and MBWord in enc/utf8.c.
6352004/11/11: [bug]  fix enc/utf8.c.
636                   size 0 array initializer was compile error in VC++.
6372004/11/09: [inst] (thanks Hiroki YAGITA)
638                   change installed file mode to 0644.
6392004/11/09: [bug]  (thanks UK-taniyama)
640                   wrong definitions GET_RELADDR_INC(), GET_ABSADDR_INC()
641                   etc... (NOT PLATFORM_UNALIGNED_WORD_ACCESS)
6422004/11/09: [impl] type cast in regexec() for remove compile time warning.
643                   (WIN32, regposix.c)
6442004/11/08: [spec] fix Unicode character types.
645                   0x00ad (soft hyphen) should be [:cntrl:] and [:space:] type.
646                   [0x0009..0x000d], 0x0085 should be [:print:] type.
647                   0x00ad should not be [:punct:] type.
6482004/11/08: [inst] fix Makefile.in. (for make ctest/ptest/testcu)
6492004/11/06: [impl] (thanks Kazuo Saito)
650                   too many alternatives pattern causes core dump.
651                   change implementation of onig_node_free().
6522004/11/05: [spec] rename ONIGERR_END_PATTERN_AT_BACKSLASH to
653                   ONIGERR_END_PATTERN_AT_ESCAPE.
6542004/11/05: [impl] (thanks matz)
655                   escape compile time warnings for x86-64 Linux.
656                   StackIndex type int -> long
6572004/11/05: [memo] (thanks Kazuo Saito)
658                   Oniguruma 3.4.0 was merged to Ruby 1.9.0.
659
6602004/10/30: Version 3.4.0
661
6622004/10/30: [test] success in ruby 1.9.0 (2004-09-24) [i686-linux].
6632004/10/30: [new]  add hexadecimal digit char type. (\h, \H)
664                   syntax: ONIG_SYN_OP2_ESC_H_XDIGIT
6652004/10/30: [bug]  (thanks Guy Decoux)
666                   reluctant infinite repeat bug.
667                   ex. /^[a-z]{2,}?$/.match("aaa") fail.
668                   fix OP_REPEAT_INC_NG process in match_at().
669
6702004/10/18: Version 3.3.1
671
6722004/10/18: [test] success in ruby 1.9.0 (2004-09-24) [i686-linux].
6732004/10/18: [impl] (thanks Imai Yasumasa)
674                   enclose #include <sys/types.h> by #ifndef __BORLANDC__.
6752004/10/18: [bug]  (thanks Imai Yasumasa)
676                   memory access violation in select_opt_exact_info().
6772004/09/25: [dist] fix doc/API and doc/API.ja.
6782004/09/25: [bug]  fix OP_SEMI_END_BUF process in match_at() for
679                   the case USE_NEWLINE_AT_END_OF_STRING_HAS_EMPTY_LINE
680                   is not defined.
681
6822004/09/17: Version 3.3.0
683
6842004/09/17: [dist] add COPYING to program source files.
6852004/09/17: [test] success in ruby 1.9.0 (2004-07-23) [i686-linux].
6862004/09/17: [bug]  (thanks Isao Sonobe)
687                   memory access violations in xxx_mbc_enc_len(),
688                   and xxx_mbc_to_normalize() and
689                   xxx_left_adjust_char_head().
690                   add string range check in match_at() and onig_search().
6912004/09/08: [dist] change mail address format.(kosako AT sofnec ...)
692
6932004/09/04: Version 3.2.9
694
6952004/09/04: [test] success in ruby 1.9.0 (2004-07-23) [i686-linux].
6962004/09/04: [bug]  (thanks Bob Kerstetter and Richard Koch)
697                   search fail in ignore case mode.
698                   fix str_lower_case_match().
6992004/09/04: [inst] (thanks Isao Sonobe)
700                   clear sample directory in 'make clean'.
7012004/09/04: [bug]  fix ONIGENC_AMBIGUOUS_MATCH_COMPOUND/ASCII/NONASCII
702                   meanings in XXXXX_mbc_to_normalize() and
703                   XXXXX_is_mbc_ambiguous().
7042004/08/28: [bug]  fix ONIGENC_AMBIGUOUS_MATCH_COMPOUND/ASCII/NONASCII
705                   meanings in iso_8859_XX_mbc_to_normalize() and
706                   iso_8859_XX_is_mbc_ambiguous().
707
7082004/08/24: Version 3.2.8
709
7102004/08/24: [test] success in ruby 1.9.0 (2004-07-23) [i686-linux].
7112004/08/24: [spec] add ONIG_SYN_FIXED_INTERVAL_IS_GREEDY_ONLY.
712                   /a{n}?/ == /(?:a{n})?/
7132004/08/24: [dist] fix doc/RE and doc/RE.ja.
7142004/08/24: [bug]  (thanks starfish)
715                   memory leak in set_optimize_exact_info().
716
7172004/08/21: Version 3.2.7
718
7192004/08/21: [test] success in ruby 1.8.2 (2004-07-28) [i686-linux].
720                   (1.8.2 preview2)
7212004/08/21: [test] success in ruby 1.9.0 (2004-07-23) [i686-linux].
7222004/08/21: [bug]  (thanks Isao Sonobe) (thanks kage)
723                   memory access violation in bm_search_notrev().
724                   (forgotten to merge from 2.X)
725
7262004/07/24: Version 3.2.6
727
7282004/07/24: [test] success in ruby 1.9.0 (2004-07-23) [i686-linux].
7292004/07/24: [test] success in ruby 1.8.2 (2004-07-16) [i686-linux].
7302004/07/24: [bug]  fix warnings for regexec.c. (gcc 2.91.66)
7312004/07/24: [memo] change version control system from Subversion
732                   to CVS 1.11.17.
7332004/07/20: [bug]  (thanks Isao Sonobe)
734                   illegal result in negative character class in ignore case
735                   mode. fix pair-ambig-codes process in parse_exp().
736                   ex. /[^a]/i.match("A")
7372004/07/20: [bug]  (thanks Isao Sonobe)
738                   undefined bytecode error happens in UTF-16BE etc..
739                   compile_length_cclass_node() was not consistent with
740                   compile_cclass_node().
741
7422004/07/01: Version 3.2.5
743
7442004/07/01: [test] success in ruby 1.8.2 (2004-06-23) [i686-linux].
7452004/07/01: [new]  add onig_get_syntax_{op,op2,behavior,options}.
7462004/07/01: [bug]  (thanks Isao Sonobe)
747                   invalid result in onig_capture_tree_traverse().
748                   fix make_capture_history_tree().
749
7502004/06/29: Version 3.2.4
751
7522004/06/29: [test] success in ruby 1.8.2 (2004-06-23) [i686-linux].
7532004/06/29: [new]  (thanks Isao Sonobe)
754                   add onig_number_of_captures().
755
7562004/06/25: Version 3.2.3
757
7582004/06/25: [test] success in ruby 1.8.2 (2004-06-23) [i686-linux].
7592004/06/25: [bug]  (thanks Isao Sonobe)
760                   invalid result in onig_capture_tree_traverse().
761                   fix make_capture_history_tree().
762
7632004/06/24: Version 3.2.2
764
7652004/06/24: [test] success in ruby 1.8.0 (2003-08-08) [i386-cygwin].
7662004/06/24: [test] success in ruby 1.8.0 (2003-08-08) [i386-mswin32].
7672004/06/24: [test] success in ruby 1.8.2 (2004-06-23) [i686-linux].
7682004/06/24: [new]  (thanks Isao Sonobe)
769                   add onig_number_of_capture_histories().
7702004/06/24: [bug]  (thanks Isao Sonobe)
771                   invalid char position match in UTF-16 and UTF-32.
772                   add onigenc_always_false_is_allowed_reverse_match().
773
7742004/06/17: Version 3.2.1
775
7762004/06/17: [test] success in ruby 1.8.0 (2003-08-08) [i386-cygwin].
7772004/06/17: [test] success in ruby 1.8.0 (2003-08-08) [i386-mswin32].
7782004/06/17: [test] success in ruby 1.8.2 (2004-05-18) [i686-linux].
7792004/06/17: [impl] should not use OP_REPEAT for (...)? even if target size
780                   is long.
7812004/06/17: [bug]  (thanks nobu) [ruby-dev:23703]
782                   should use STACK_AT() instead of stkp in OP_REPEAT_INC.
783                   add IN_VAR_REPEAT flag in setup_tree().
7842004/06/16: [impl] change select_opt_exact_info() to use ByteValTable[].
7852004/06/16: [impl] change map_position_value() table values.
7862004/06/14: [impl] (thanks John Carter)
787                   RelAddrType, AbsAddrType and LengthType change
788                   from short int to int type for the very long string match.
7892004/06/14: [bug]  (thanks Greg A. Woods)
790                   fix nmatch argument of regexec() is smaller than
791                   reg->num_mem + 1 case. (POSIX API)
7922004/06/14: [spec] (thanks Greg A. Woods)
793                   set pmatch to NULL if nmatch is 0 in regexec(). (POSIX API)
794
7952004/06/10: Version 3.2.0
796
7972004/06/10: [test] success in ruby 1.8.0 (2003-08-08) [i386-cygwin].
7982004/06/10: [test] success in ruby 1.9.0 (2004-05-27) [i386-mswin32].
7992004/06/10: [test] success in ruby 1.8.2 (2004-05-18) [i686-linux].
8002004/06/10: [dist] add README.ja.
8012004/06/10: [new]  add onig_copy_encoding().
8022004/06/10: [API]  add encoding argument to onig_set_meta_char().
803                   add meta_char_table member to OnigEncodingType.
8042004/06/08: [dist] add doc/API.ja.
8052004/06/07: [API]  add num_of_elements member to OnigCompileInfo.
8062004/05/29: [memo] (thanks Kazuo Saito)
807                   Oniguruma 3.1.0 was merged to Ruby 1.9.0.
8082004/05/26: [impl] rename NST_SIMPLE_REPEAT to NST_STOP_BT_SIMPLE_REPEAT.
8092004/05/26: [impl] doesn't need to check that target's simple repeat-ness
810                   for EFFECT_MEMORY type node in setup_tree().
811
8122004/05/25: Version 3.1.0
813
8142004/05/25: [test] success in ruby 1.8.0 (2003-08-08) [i386-mswin32].
8152004/05/25: [test] success in ruby 1.8.0 (2003-08-08) [i386-cygwin].
8162004/05/25: [test] success in ruby 1.9.0 (2004-05-23) [i686-linux].
8172004/05/25: [test] success in ruby 1.8.2 (2004-05-18) [i686-linux].
8182004/05/25: [bug]  (thanks Masahiro Sakai) [ruby-dev:23560]
819                   ruby -ruri -ve 'URI::ABS_URI =~
820                                    "http://example.org/Andr\xC3\xA9"'
821                   nested STK_REPEAT type stack can't backtrack repeat_stk[].
822                   add OP_REPEAT_INC_SG and OP_REPEAT_INC_NG_SG.
8232004/05/25: [new]  support UTF-32LE. (ONIG_ENCODING_UTF32_LE)
8242004/05/25: [new]  support UTF-32BE. (ONIG_ENCODING_UTF32_BE)
8252004/05/24: [impl] divide enc/utf16.c to utf16_be.c and utf16_le.c.
8262004/05/24: [impl] add enc/unicode.c.
8272004/05/24: [API]  change calling sequences of onig_new_deluxe() and
828                   onig_recompile_deluxe().
829                   define OnigCompileInfo type.
8302004/05/21: [impl] perform ensure process for rb_trap_exec() in match_at().
831                   add onig_exec_trap() and CHECK_INTERRUPT_IN_MATCH_AT.
8322004/05/21: [impl] add regex status check to onig_match().
8332004/05/21: [new]  add onig_get_capture_tree() and
834                   onig_capture_tree_traverse().
8352004/05/20: [spec] (thanks Isao Sonobe)
836                   capture history return capture data tree.
837                   (see sample/listcap.c)
8382004/05/19: [bug]  (thanks Simon Strandgaard)
839                   Control-C does not work in matching process on Ruby.
840                   add calling of CHECK_INTERRUPT into match_at().
841                   ex. /<(?:[^">]+|"[^"]*")+>/.match('<META http-equiv= \
842                       "Content-Type content="text/html; charset=iso-8859-1">')
8432004/05/19: [bug]  (thanks Simon Strandgaard)
844                   define virtual codepoint values for invalid encoding
845                   byte 0xfe and 0xff in UTF-8.
846                   ex. /\w+/u.match("%a\xffb\xfec%") ==> "a"
8472004/05/19: [spec] (thanks Simon Strandgaard)
848                   too big backref number should be treated as a sequence of
849                   an octal char and number digits.
850                   ex. /b\3777\c/.match("b\3777\c")
8512004/05/17: [spec] rename encoding names "UTF-16 BE" and "UTF-16 LE"
852                   to "UTF-16BE" and "UTF-16LE".
8532004/05/17: [impl] move ismbchar() and mbclen() from oniguruma.h to oniggnu.h.
8542004/05/17: [impl] rename onigenc_single_byte_is_allowed_reverse_match() to
855                   onigenc_always_true_is_allowed_reverse_match().
856
8572004/05/14: Version 3.0.0
858
8592004/05/14: [test] success in ruby 1.8.0 (2003-08-08) [i386-cygwin].
8602004/05/14: [test] success in ruby 1.9.0 (2004-05-14) [i686-linux].
8612004/05/14: [test] success in ruby 1.8.0 (2003-08-08) [i386-mswin32].
862                   (* need to edit parse.y:
863                       register int c; ---> int c; in yylex())
8642004/05/14: [impl] add regext.c.
8652004/05/14: [spec] KOI8 is not included in library archive by default setup.
8662004/05/14: [impl] implementation changes are completed for all encoding files.
8672004/05/12: [impl] add divide_ambig_string_node().
868                   ambiguous string is divided and normalized before
869                   optimization and compilation process.
8702004/05/11: [dist] remove INSTALL-RUBY from distribution.
8712004/04/28: [memo] (thanks Kazuo Saito)
872                   Oniguruma 2.2.8 was merged to Ruby 1.9.0.
8732004/04/26: [spec] change value DEFAULT_MATCH_STACK_LIMIT_SIZE = 0 : unlimited
8742004/04/26: [new]  add onig_get_match_stack_limit_size() and
875                   onig_set_match_stack_limit_size().
8762004/04/26: [bug]  add error check to re.c.181.patch and re.c.168.patch.
8772004/04/23: [impl] remove ctype_support_level from OnigEncodingType.
8782004/04/22: [spec] allow the range from single byte char to multibyte char in
879                   character class for implementation reason.
880                   ex. /[a-\xbb\xcc]/ in EUC-JP encoding.
8812004/04/21: [impl] remove max_enc_len_by_first_byte() from OnigEncodingType.
8822004/04/20: [new]  add onig_copyright().
8832004/04/20: [impl] add regversion.c.
8842004/04/15: [new]  add onig_get_ambig_flag().
8852004/04/14: [bug]  (thanks Isao Sonobe)
886                   undefined bytecode error happens if ONIG_OPTION_FIND_LONGEST
887                   is setted.
888                   should finish matching process if find-condition
889                   is fail at OP_END in match_at().
8902004/04/12: [impl] add ambig_flag to regex_t.
8912004/04/09: [impl] move onig_set_meta_char() to regsyntax.c.
8922004/04/09: [bug]  (thanks HIROSE Masaaki) fix onig_version().
8932004/04/08: [impl] add regsyntax.c.
8942004/04/07: [new]  support UTF-16 LE. (ONIG_ENCODING_UTF16_LE)
8952004/04/05: [impl] add ONIGENC_CTYPE_NEWLINE.
8962004/04/05: [memo] (thanks Kazuo Saito)
897                   Oniguruma 2.2.6 was merged to Ruby 1.9.0.
8982004/04/02: [memo] Version 2.2.6 was released.
8992004/03/26: [new]  support UTF-16 BE. (ONIG_ENCODING_UTF16_BE)
9002004/03/25: [spec] support non 8-bit encodings.
9012004/03/16: [memo] 2.X branch for 8-bit encodings only.
902
9032004/03/16: Version 2.2.5
904
9052004/03/16: [test] success in ruby 1.8.0 (2003-08-08) [i386-mswin32].
9062004/03/16: [test] success in ruby 1.9.0 (2004-02-24) [i686-linux].
9072004/03/16: [impl] add property name to error message of
908                   ONIGERR_INVALID_CHAR_PROPERTY_NAME.
9092004/03/16: [spec] allow prefix 'Is' for \p{...} in ONIG_SYNTAX_PERL.
910                   add syntax op. ONIG_SYN_OP2_CHAR_PROPERTY_PREFIX_IS.
9112004/03/15: [dist] add sample/syntax.c.
9122004/03/15: [spec] support NOT op. in char property. \p{^...}, \P{^...}.
913                   add syntax op. ONIG_SYN_OP2_ESC_P_BRACE_CIRCUMFLEX_NOT.
9142004/03/15: [spec] rename ONIG_SYN_OP2_ESC_P_CHAR_PROPERTY to
915                   ONIG_SYN_OP2_ESC_P_BRACE_CHAR_PROPERTY.
9162004/03/10: [impl] move ONIGERR_XXX from regenc.h to oniguruma.h,
917                   rename ONIGERR_XXX to ONIGENCERR_XXX in regenc.h.
9182004/03/08: [impl] (thanks eban)
919                   replace defined(__CYGWIN__) to defined(__GNUC__).
9202004/03/08: [bug]  (thanks eban) [ruby-dev:23172]
921                   need to separate initialization for bcc32.
9222004/03/06: [memo] (thanks Kazuo Saito)
923                   Oniguruma 2.2.4 was merged to Ruby 1.9.0.
9242004/03/05: [API]  change second argument type of onig_set_meta_char()
925                   from unsigned int to OnigCodePoint.
9262004/03/05: [dist] (thanks Kazuo Saito)
927                   add MANIFEST-RUBY.
928
9292004/03/04: Version 2.2.4
930
9312004/03/04: [impl] (thanks Moriyoshi Koizumi)
932                   fix many warnings in Win32 VC++ with /W3 option.
933
9342004/03/02: Version 2.2.3
935
9362004/03/02: [bug]  (thanks Isao Sonobe)
937                   return invalid capture region value if capture history
938                   is used. (OP_MEMORY_END_PUSH_REC bug)
939                   ex. /\g<p>(?@<p>\(\g<s>\)){0}(?<s>(?:\g<p>)*|){0}/
940                       .match("((())())")
9412004/03/02: [impl] (thanks Kazuo Saito)
942                   add :nodoc: to onig_stat_print() for RDoc.
9432004/03/02: [impl] don't use ONIG_SOURCE_IS_WRAPPED.
944
9452004/02/27: Version 2.2.2
946
9472004/02/27: [impl] fix the position of onig_stat_print().
9482004/02/27: [impl] define ONIG_RUBY_DEFINE_GLOBAL_FUNCTION() in regint.h
949                   for ignored by RDoc.
950
9512004/02/26: Version 2.2.1
952
9532004/02/26: [bug]  [bugs.php.net:#26677] (thanks behrens)
954                   invalid definition at onig_error_code_to_str()
955                   in the case of NOT HAVE_STDARG_PROTOTYPES.
956
9572004/02/25: Version 2.2.0
958
9592004/02/25: [test] success in ruby 1.8.0 (2003-08-08) [i386-mswin32].
9602004/02/24: [test] success in ruby 1.9.0 (2004-02-24) [i686-linux].
9612004/02/24: [bug]  undefined IS_BLANK() and IS_GRAPH() was used in
962                   onigenc_is_code_ctype() in the case of Ruby M17N.
9632004/02/24: [new]  support ISO-8859-16. (ONIG_ENCODING_ISO_8859_16)
9642004/02/24: [bug]  should not fold match for 0xdf in iso8859_6.c.
9652004/02/24: [new]  support ISO-8859-14. (ONIG_ENCODING_ISO_8859_14)
9662004/02/23: [new]  support ISO-8859-13. (ONIG_ENCODING_ISO_8859_13)
9672004/02/23: [new]  support ISO-8859-10. (ONIG_ENCODING_ISO_8859_10)
9682004/02/20: [bug]  fix iso_8859_4_mbc_is_case_ambig().
9692004/02/20: [new]  support ISO-8859-9. (ONIG_ENCODING_ISO_8859_9)
9702004/02/19: [bug]  correct ctype tables for ISO-8859-3, ISO-8859-4,
971                   ISO-8859-6, ISO-8859-7, ISO-8859-8, KOI8_R.
9722004/02/18: [bug]  wrong replaced name OnigSyntaxGnuOnigex.
9732004/02/17: [spec] check capture status for empty infinite loop.
974                   [ruby-dev:20224] etc...
975                   ex. /(?:\1a|())*/.match("a"),
976                       /(?:()|()|()|(x)|()|())*\2b\5/.match("b")
977                   add USE_INFINITE_REPEAT_MONOMANIAC_MEM_STATUS_CHECK.
978                   add OP_NULL_CHECK_END_MEMST, OP_NULL_CHECK_END_MEMST_PUSH.
979                   add stack type STK_NULL_CHECK_END.
9802004/02/13: [impl] add OnigEncodingEUC_CN to enc/euc_kr.c.
9812004/02/13: [bug]  (thanks Simon Strandgaard)
982                   parsing of nested repeat was invalid.
983                   ex. /ab{2,3}*/ was /(?:a(?:b{2,3}))*/,
984                       should be /a(?:b{2,3}*)/
9852004/02/12: [bug]  (thanks Simon Strandgaard)
986                   OP_REPEAT_INC_NG process in match_at() is wrong.
987                   ex. bad match /a.{0,2}?a/ =~ "0aXXXa0"
9882004/02/12: [bug]  (thanks Simon Strandgaard)
989                   wrong fetch after (?x) option.  ex. "(?x)\ta .\n+b"
9902004/02/12: [bug]  (thanks Simon Strandgaard)
991                   [\^] is not a empty char class.
9922004/02/09: [new]  add onig_set_syntax_op(), onig_set_syntax_op2(),
993                   onig_set_syntax_behavior(), onig_set_syntax_options().
9942004/02/06: [dist] add a new target 'site' to Makefile.in.
9952004/02/06: [dist] add index.html.
9962004/02/03: [bug]  oniggnu.h was not installed by 'make install'.
997
9982004/02/02: Version 2.1.0
999
10002004/02/02: [test] success in ruby 1.9.0 (2004-02-02) [i686-linux].
10012004/02/02: [test] success in ruby 1.8.0 (2003-08-08) [i386-cygwin].
10022004/02/02: [test] success in ruby 1.8.0 (2003-08-08) [i386-mswin32].
10032004/02/02: [new]  support ISO-8859-11. (ONIG_ENCODING_ISO_8859_11)
10042004/02/02: [new]  support ISO-8859-5. (ONIG_ENCODING_ISO_8859_5)
10052004/02/02: [impl] should check single byte encoding or not in and_cclass()
1006                   and or_cclass().
10072004/01/30: [dist] add oniggnu.h.
10082004/01/30: [bug]  ISO-8859-7 0xb7 (middle dot) is Punct type.
10092004/01/30: [new]  support ISO-8859-8. (ONIG_ENCODING_ISO_8859_8)
10102004/01/29: [new]  support ISO-8859-7. (ONIG_ENCODING_ISO_8859_7)
10112004/01/29: [new]  support ISO-8859-6. (ONIG_ENCODING_ISO_8859_6)
10122004/01/28: [new]  support KOI8-R. (ONIG_ENCODING_KOI8_R)
10132004/01/28: [new]  support KOI8. (ONIG_ENCODING_KOI8)
10142004/01/27: [dist] rename enc/isotable.c to enc/mktable.c.
10152004/01/27: [new]  support ISO-8859-4. (ONIG_ENCODING_ISO_8859_4)
10162004/01/26: [new]  support ISO-8859-3. (ONIG_ENCODING_ISO_8859_3)
10172004/01/26: [bug]  EncISO_8859_{1,15}_CtypeTable[256] was wrong.
1018                   (0x80 - 0xff is not ASCII)
10192004/01/23: [new]  support ISO-8859-2. (ONIG_ENCODING_ISO_8859_2)
10202004/01/23: [dist] add enc/isotable.c.
10212004/01/22: [new]  support EUC-TW. (ONIG_ENCODING_EUC_TW)
10222004/01/22: [bug]  definition of GET_ALIGNMENT_PAD_SIZE() and
1023                   ALIGNMENT_RIGHT() was wrong.
1024                   type casting should be unsigned int, not int.
10252004/01/22: [impl] add defined(__x86_64) || defined(__x86_64__)
1026                   to unaligned word access condition. (AMD64 ?)
10272004/01/21: [dist] rename enc/eucjp.c to enc/euc_jp.c.
10282004/01/21: [new]  support EUC-KR. (ONIG_ENCODING_EUC_KR)
10292004/01/20: [test] success in ruby 1.8.0 (2003-08-08) [i386-cygwin].
10302004/01/20: [dist] change Makefile.in.
10312004/01/20: [spec] add \p{...}, \P{...} in char class.
10322004/01/20: [new]  character property operators \p{...}, \P{...}.
1033                   supported in ONIG_SYNTAX_JAVA and ONIG_SYNTAX_PERL.
10342004/01/19: [spec] allow /a{,n}/ as /a{0,n}/. (but don't allow /a{,}/)
10352004/01/19: [dist] rename onigcomp200.h to onigcmpt200.h.
10362004/01/19: [dist] update re.c.168.patch. svn add re.c.181.patch.
10372004/01/16: [dist] update sample/*.c for new API.
10382004/01/16: [dist] add onigcomp200.h. (for old API compatibility)
10392004/01/16: [dist] update documents API, RE and RE.ja.
10402004/01/16: [spec] change prefix REG_ -> ONIG_, regex_ onig_,
1041                   ENC_ -> ONIGENC, enc_ -> onigenc_.
10422004/01/15: [impl] rename ENC_IS_MBC_E_WORD() to ENC_IS_MBC_WORD().
1043                   rename ENC_CTYPE_SUPPORT_LEVEL_SB_ONLY to
1044                   ENC_CTYPE_SUPPORT_LEVEL_SB.
10452004/01/14: [impl] rename UNALIGNED_WORD_ACCESS to
1046                   PLATFORM_UNALIGNED_WORD_ACCESS.
10472004/01/14: [impl] change MATCH_STACK_LIMIT_SIZE value from 200000 to 500000.
10482004/01/13: [impl] remove ENC_CODE_TO_MBC_FIRST(enc,code) in regenc.h.
1049                   remove code_to_mbc_first member in RegCharEncodingType.
10502004/01/13: [impl] remove head byte bitset information in cclass->mbuf.
10512003/12/26: [impl] change macro name ismb_xxxx() in enc/*.c for
1052                   escape conflict.
1053
10542003/12/24: Version 2.0.0
1055
10562003/12/24: [spec] ignore case option is effective to numbered char.
1057                   ex. /\x61/i =~ "A"
10582003/12/24: [test] success in ruby 1.8.1 (2003-12-24) [i686-linux].
10592003/12/24: [test] success in ruby 1.8.0 (2003-08-08) [i386-cygwin].
10602003/12/24: [test] success in ruby 1.8.0 (2003-08-08) [i386-mswin32].
10612003/12/24: [test] success in regex.c compile test on ruby-m17n.
1062                   (but can't make miniruby because re.c patch fail.)
10632003/12/24: [bug]  (thanks H.Miyamoto) /[\W]/ was wrong in 1.9.5.
10642003/12/22: [spec] implement fold match on UTF-8 encoding.
10652003/12/19: [impl] add ctype_support_level and ctype_add_codes() member to
1066                   RegCharEncoding type.
10672003/12/19: [impl] add add_ctype_to_cc() in regparse.c.
10682003/12/19: [impl] add enc_is_code_ctype() in REG_RUBY_M17N case.
10692003/12/19: [impl] change ENC_CODE_TO_MBC() interface.
10702003/12/18: [new]  implement fold match. (variable number of char
1071                   match in ignore case mode.)
1072                   ex. German alphabet ess-tsett(U+00DF) match "SS" and "ss".
10732003/12/17: [impl] refactoring of encoding system.
10742003/12/17: [impl] add enc_init() in regenc.c.
10752003/12/17: [new]  support Big5. (REG_ENCODING_BIG5)
10762003/12/16: [impl] change CodePoint from unsigned int to unsigned long.
10772003/12/16: [new]  support ISO 8859-15. (REG_ENCODING_ISO_8859_15)
10782003/12/16: [impl] change P_() macro definition condition for Win32.
10792003/12/16: [dist] add sample/encode.c
10802003/12/16: [new]  support ISO 8859-1. (REG_ENCODING_ISO_8859_1)
10812003/12/15: [impl] rename IS_ENC_XXXX to ENC_IS_XXXX.
10822003/12/15: [impl] rename RegDefaultCharEncoding to EncDefaultCharEncoding.
10832003/12/15: [impl] divide encoding files. (enc/ascii.c, enc/utf8.c etc...)
10842003/12/15: [bug]  unexpected infinite loop in regex_snprintf_with_pattern().
1085                   change local var. type char* to UChar*.
10862003/12/15: [impl] remove REG_MBLEN_TABLE[].
10872003/12/15: [spec] rename function prefix regex_get_prev_char_head(),
1088                   regex_get_left_adjust_char_head() and
1089                   regex_get_right_adjust_char_head() to enc_xxxxxx().
10902003/12/15: [impl] rename function prefixes in regenc.h from regex_ to enc_.
10912003/12/12: [impl] remove USE_SBMB_CLASS.
10922003/12/12: [impl] rename mb -> mbc, mblen() to enc_len().
10932003/12/12: [impl] rename WCINT to CodePoint.
10942003/12/11: [impl] delete IS_XXXX() ctype macros from regint.h.
10952003/12/11: [impl] add enc->wc_is_ctype() and RegAsciiCtypeTable[256].
10962003/12/11: [impl] remove RegAsciiCaseAmbigTable.
10972003/12/10: [impl] use ENC_TO_LOWER() for ignore case comparison.
10982003/12/08: [impl] *** re-defined RegCharEncoding in oniguruma.h. ***
10992003/12/08: [impl] add USE_POSIX_REGION_OPTION to regint.h.
11002003/12/08: [impl] add IS_ENC_WORD() to regenc.h.
11012003/12/05: [impl] rename IS_CODE_XXXX() to IS_ENC_XXXX().
11022003/12/05: [impl] delete IS_CODE_WORD() from regenc.h.
11032003/12/04: [spec] rename REG_SYN_OP_BACK_REF to REG_SYN_OP_DECIMAL_BACKREF.
11042003/12/04: [spec] add (REG_SYN_OP_ESC_W_WORD | REG_SYN_OP_ESC_B_WORD_BOUND |
1105                   REG_SYN_OP_ESC_LTGT_WORD_BEGIN_END | REG_SYN_OP_BACK_REF)
1106                   to RegSyntaxGrep.
11072003/12/04: [spec] remove REG_ENCODING_DEFAULT and REGCODE_DEFAULT.
11082003/12/04: [spec] move declarations of regex_get_default_encoding() and
1109                   regex_set_default_encoding() from oniguruma.h to regenc.h.
11102003/12/03: [new]  add regex_get_default_encoding() and
1111                   regex_set_default_encoding().
11122003/12/03: [spec] REG_ENCODING_DEFAULT meaning is changed.
1113                   (current default value, not initial default value.)
11142003/12/03: [spec] REGCODE_XXX is obsoleted. use REG_ENCODING_XXX.
11152003/12/02: [memo] alias svnst='svn status | grep -v "^\?"'
11162003/12/02: [spec] move regex_set_default_trans_table() declaration
1117                   from oniguruma.h to regenc.h. (obsoleted API)
11182003/12/02: [impl] move variables RegDefaultCharEncoding, DefaultTransTable and
1119                   AmbiguityTable to regenc.c.
11202003/12/01: [impl] add regex_continuous_sbmb() to regenc.c.
11212003/12/01: [dist] add regenc.h and regenc.c.
11222003/11/18: [dist] change testconv.rb.
11232003/11/18: [bug]  (thanks Masaru Tsuda)
1124                   memory leak in parse_subexp().
11252003/11/18: [bug]  (thanks Masaru Tsuda)
1126                   memory leak in names_clear() and parse_char_class().
11272003/11/17: [bug]  memory leak in parse_char_class().
11282003/11/17: [bug]  (thanks Masaru Tsuda)
1129                   OptExactInfo length should not over OPT_EXACT_MAXLEN.
1130                   (concat_opt_exact_info_str())
1131
11322003/11/12: Version 1.9.5
1133
11342003/11/12: [test] success in ruby 1.8.0 (2003-08-08) [i386-cygwin].
11352003/11/12: [test] success in ruby 1.8.1 (2003-11-11) [i686-linux].
11362003/11/12: [spec] add definition of REG_INEFFECTIVE_META_CHAR.
11372003/11/11: [dist] add a sample program sample/sql.c.
11382003/11/11: [new]  add variable meta character.
1139                   regex_set_meta_char()
11402003/11/11: [spec] add syntax op. REG_SYN_OP_VARIABLE_META_CHARS.
11412003/11/11: [spec] rename REG_SYN_OP_ESC_CAPITAL_Q_QUOTE to
1142                   REG_SYN_OP2_ESC_CAPITAL_Q_QUOTE,
1143                   REG_SYN_OP_QMARK_GROUP_EFFECT to
1144                   REG_SYN_OP2_QMARK_GROUP_EFFECT.
11452003/11/06: [impl] define THREAD_PASS as rb_thread_schedule() in Ruby mode.
11462003/11/05: [spec] add syntax behavior REG_SYN_WARN_REDUNDANT_NESTED_REPEAT.
11472003/11/05: [spec] rename REG_SYN_WARN_FOR_CC_OP_NOT_ESCAPED to
1148                   REG_SYN_WARN_CC_OP_NOT_ESCAPED.
11492003/11/04: [new]  add regex_set_warn_func() and regex_set_verb_warn_func().
11502003/10/30: [new]  add regex_name_to_backref_number().
1151                   (for multiplex definition name, see sample/names.c)
11522003/10/30: [spec] add name_end and reg argument to callback function of
1153                   regex_foreach_name().  (see sample/names.c)
11542003/10/29: [spec] add syntax behavior REG_SYN_ALLOW_MULTIPLEX_DEFINITION_NAME.
1155                   add error code REGERR_MULTIPLEX_DEFINED_NAME.
11562003/10/14: [dist] modify sample/simple.c.
11572003/10/03: [bug]  (thanks nobu)  [ruby-dev:21472]
1158                   sub-anchor of optimization map info was wrong
1159                   in concat_left_node_opt_info().
1160                   ex. /^(x?y)/ = "xy" fail.
1161
11622003/09/17: Version 1.9.4
1163
11642003/09/17: [spec] change specification of char-class range in ignore case mode
1165                   follows with Ruby 1.8(2003-09-17).
1166                   ex. /[H-c]/i ==> (H-Z, 0x5b-0x60, a-c)/i
1167                                ==> H-Z, h-z, 0x5b-0x60, a-c, A-C
11682003/09/16: [bug]  (thanks Guy Decoux)
1169                   remove env->option == option check in parse_effect().
1170                   change env->option for dynamic option in parse_exp().
1171                   (ex. bad match /(?i)(?-i)a/ =~ "A")
11722003/09/12: [spec] rename REG_SYN_ALLOW_RANGE_OP_IN_CC to
1173                   REG_SYN_ALLOW_DOUBLE_RANGE_OP_IN_CC,
1174                   REG_SYN_ESCAPE_IN_CC to REG_SYN_BACKSLASH_ESCAPE_IN_CC.
11752003/09/11: [bug]  change to IS_SYNTAX_OP2 at REG_SYN_OP2_ESC_GNU_BUF_ANCHOR.
11762003/09/09: [spec] rename REG_SYN_OP2_ESC_M_BAR_META to
1177                   REG_SYN_OP2_ESC_CAPITAL_M_BAR_META,
1178                   REG_SYN_OP_ESC_Q_QUOTE to REG_SYN_OP_ESC_CAPITAL_Q_QUOTE,
1179                   REG_SYN_OP_ESC_SUBEXP to REG_SYN_OP_ESC_LPAREN_SUBEXP,
1180                   REG_SYN_OP_ESC_BUF_ANCHOR to REG_SYN_OP_ESC_AZ_BUF_ANCHOR,
1181                   REG_SYN_OP_ESC_GNU_BUF_ANCHOR to
1182                   REG_SYN_OP2_ESC_GNU_BUF_ANCHOR,
1183                   REG_SYN_OP_ESC_CONTROL_CHAR to REG_SYN_OP_ESC_CONTROL_CHARS,
1184                   REG_SYN_OP_ESC_WORD to REG_SYN_OP_ESC_W_WORD,
1185                   REG_SYN_OP_ESC_WORD_BEGIN_END to
1186                   REG_SYN_OP_ESC_LTGT_WORD_BEGIN_END,
1187                   REG_SYN_OP_ESC_WORD_BOUND to REG_SYN_OP_ESC_B_WORD_BOUND,
1188                   REG_SYN_OP_ESC_WHITE_SPACE to REG_SYN_OP_ESC_S_WHITE_SPACE,
1189                   REG_SYN_OP_ESC_DIGIT to REG_SYN_OP_ESC_D_DIGIT,
1190                   REG_SYN_OP_CC to REG_SYN_OP_BRACKET_CC,
1191                   REG_SYN_OP2_CCLASS_SET to REG_SYN_OP2_CCLASS_SET_OP,
1192                   REG_SYN_CONTEXT_INDEP_OPS to
1193                   REG_SYN_CONTEXT_INDEP_REPEAT_OPS,
1194                   REG_SYN_CONTEXT_INVALID_REPEAT_OPS to
1195                   REG_SYN_CONTEXT_INVALID_REPEAT_OPS.
1196                   add REG_SYN_OP_ESC_CAPITAL_G_BEGIN_ANCHOR.
11972003/09/08: [spec] rename REG_SYN_OP_ANYCHAR to REG_SYN_OP_DOT_ANYCHAR,
1198                   REG_SYN_OP_0INF to REG_SYN_OP_ASTERISK_ZERO_INF,
1199                   REG_SYN_OP_ESC_0INF to REG_SYN_OP_ESC_ASTERISK_ZERO_INF,
1200                   REG_SYN_OP_1INF to REG_SYN_OP_PLUS_ONE_INF,
1201                   REG_SYN_OP_ESC_1INF to REG_SYN_OP_ESC_PLUS_ONE_INF,
1202                   REG_SYN_OP_0INF to REG_SYN_OP_QMARK_ZERO_ONE,
1203                   REG_SYN_OP_ESC_0INF to REG_SYN_OP_ESC_QMARK_ZERO_ONE,
1204                   REG_SYN_OP_INTERVAL to REG_SYN_OP_BRACE_INTERVAL,
1205                   REG_SYN_OP_ESC_INTERVAL to REG_SYN_OP_ESC_BRACE_INTERVAL,
1206                   REG_SYN_OP_SUBEXP to REG_SYN_OP_LPAREN_SUBEXP,
1207                   REG_SYN_OP_ALT to REG_SYN_OP_VBAR_ALT,
1208                   REG_SYN_OP_ESC_ALT to REG_SYN_OP_ESC_VBAR_ALT,
1209                   REG_SYN_OP_NON_GREEDY to REG_SYN_OP_QMARK_NON_GREEDY,
1210                   REG_SYN_OP_SUBEXP_EFFECT to REG_SYN_OP_QMARK_GROUP_EFFECT,
1211                   REG_SYN_OP2_POSSESSIVE_{REPEAT,INTERVAL} to
1212                   REG_SYN_OP2_PLUS_POSSESSIVE_{REPEAT,INTERVAL},
1213                   REG_SYN_OP2_SUBEXP_CALL to REG_SYN_OP2_ESC_G_SUBEXP_CALL,
1214                   REG_SYN_OP2_NAMED_GROUP to REG_SYN_OP2_QMARK_LT_NAMED_GROUP
1215                   and REG_SYN_OP2_ESC_K_NAMED_BACKREF.
12162003/09/02: [tune] call reduce_nested_qualifier() after disabling capture for
1217                   no-name group in noname_disable_map().
1218                   ex. /(a+)*(?<name>...)/
12192003/09/02: [impl] include <stdio.h> is forgotten to erase in regcomp.c.
12202003/09/01: [dist] update doc/RE and doc/RE.ja.
12212003/08/26: [bug]  (thanks Guy Decoux)
1222                   should not double free node at the case TK_CC_CC_OPEN
1223                   in parse_char_class().
1224
12252003/08/19: Version 1.9.3
1226
12272003/08/19: [inst] change re.c.180.patch.
12282003/08/19: [impl] rename 'list of captures' to 'capture history'.
12292003/08/19: [dist] add doc/RE.ja. (Japanese)
12302003/08/19: [new]  add regex_copy_syntax().
12312003/08/19: [spec] rename REG_SYN_OP2_ATMARK_LIST_OF_CAPTURES to
1232                   REG_SYN_OP2_ATMARK_CAPTURE_HISTORY.
12332003/08/18: [spec] (thanks nobu)
1234                   don't use IMPORT in oniguruma.h and onigposix.h.
12352003/08/18: [impl] (thanks nobu) change error output to stdout in testconv.rb.
12362003/08/18: [inst] (thanks nobu) lacked $(srcdir) in Makefile.in.
12372003/08/18: [bug]  REG_MBLEN_TABLE[SJIS][0xFD-0xFF] should be 1.
12382003/08/18: [bug]  (thanks nobu) mbctab_sjis[0x80] should be 0.
12392003/08/18: [bug]  (thanks nobu)
1240                   single/multi-byte decision was wrong in parse_char_class().
1241                   add regex_wc2mblen().
1242                   should not set fetched to 1 in TK_RAW_BYTE case.
12432003/08/18: [bug]  should update BitSet in the case inc_n >= 0
1244                   in add_wc_range_to_buf().
12452003/08/13: [bug]  change re.c.180.patch for fix rb_reg_to_s() in re.c.
12462003/08/11: [bug]  should clear region->list in regex_region_resize().
1247
12482003/08/08: Version 1.9.2
1249
12502003/08/08: [test] success in ruby 1.8.0 (2003-08-08) on Windows 2000
1251                   VC++ 6.0 and Cygwin.
12522003/08/08: [impl] don't define macro vsnprintf for WIN32 platform,
1253                   because definition is added in win32\win32.h.
12542003/08/08: [test] success in ruby 1.8.0 and ruby 1.6.8(2003-08-03) on Linux.
12552003/08/08: [dist] change re.c.180.patch and re.c.168.patch.
12562003/08/08: [new]  (thanks akr)
1257                   implemented list of captures. (?@...), (?@<name>...)
12582003/08/07: [dist] add sample/listcap.c.
12592003/08/06: [bug]  OP_MEMORY_END_PUSH_REC case in match_at().
1260                   renewal of mem_start_stk[] should be after
1261                   STACK_PUSH_MEM_END() call.
12622003/07/29: [new]  add regex_get_encoding(), regex_get_options() and
1263                   regex_get_syntax().
12642003/07/25: [spec] (thanks akr)
1265                   change group(...) to shy-group(?:...) if named group is
1266                   used in the pattern.
1267                   add REG_SYN_CAPTURE_ONLY_NAMED_GROUP.
12682003/07/24: [spec] rename REG_OPTION_CAPTURE_ONLY_NAMED_GROUP to
1269                   REG_OPTION_DONT_CAPTURE_GROUP.
1270                   add REG_OPTION_CAPTURE_GROUP.
12712003/07/17: [spec] rename REG_SYN_OP2_NAMED_SUBEXP to REG_SYN_OP2_NAMED_GROUP.
12722003/07/17: [spec] add REGERR_EMPTY_GROUP_NAME.
12732003/07/17: [spec] rename REGERR_INVALID_SUBEXP_NAME
1274                       to REGERR_INVALID_CHAR_IN_GROUP_NAME.
12752003/07/17: [spec] restrict usable chars of group name to alphabet, digit,
1276                   '_' or multibyte-char in fetch_name(). [ruby-dev:20706]
12772003/07/16: [impl] minor change of sample/names.c.
12782003/07/14: [impl] rename USE_NAMED_SUBEXP to USE_NAMED_GROUP.
12792003/07/14: [bug]  add fetch_name() for USE_NAMED_SUBEXP off case.
12802003/07/14: [API]  add regex_number_of_names().
12812003/07/08: [impl] change error message for undefined group number call.
1282                       'undefined group reference: /(a)\g<2>/'
1283                   --> 'undefined group <2> reference: /(a)\g<2>/'
12842003/07/08: [dist] modify doc/RE.
12852003/07/07: [impl] OP_SET_OPTION is not needed in compiled code.
1286                   add IS_DYNAMIC_OPTION() to regint.h.
12872003/07/07: [spec] called group should not ignore outside option (?i:...).
1288                   ex. /(?i:(?<n>(a)\2)){0}\g<n>/.match("aA")
1289                   add opcode OP_BACKREFN_IC and OP_BACKREF_MULTI_IC.
1290                   set option status to effect memory in optimize_node_left().
12912003/07/07: [impl] add opcode OP_ANYCHAR_ML, OP_ANYCHAR_ML_STAR and
1292                   OP_ANYCHAR_ML_START_PEEK_NEXT.
12932003/07/07: [bug]  (thanks nobu) REG_MBLEN_TABLE[SJIS][0x80] should be 1.
12942003/07/07: [spec] rename REG_SYN_OP_QUOTE to REG_SYN_OP_ESC_Q_QUOTE.
1295
12962003/07/04: Version 1.9.1
1297
12982003/07/04: [new]  add REG_OPTION_CAPTURE_ONLY_NAMED_GROUP. (thanks .NET)
12992003/07/04: [spec] check mbuf member in the case of
1300                   REG_SYN_NOT_NEWLINE_IN_NEGATIVE_CC in parse_char_class().
13012003/07/04: [spec] typo REG_SYN_WARN_FOR_CC_OP_NOT_ESCAPEED.
1302                   should be REG_SYN_WARN_FOR_CC_OP_NOT_ESCAPED.
13032003/07/04: [bug]  conflict values on REG_SYN_WARN_FOR_CC_OP_NOT_ESCAPEED and
1304                   REG_SYN_NOT_NEWLINE_IN_NEGATIVE_CC.  (thanks nobu)
13052003/07/03: [spec] add REG_SYN_OP_ESC_CONTROL_CHAR flag.
13062003/07/03: [spec] remove REG_SYN_OP_ESC_OCTAL3 and REG_SYN_OP_ESC_X_HEX2
1307                   flag from RegSyntaxGnuRegex.
13082003/07/03: [spec] remove REG_SYN_OP_NON_GREEDY flag from RegSyntaxGnuRegex.
13092003/07/02: [dist] fix doc/RE.
13102003/07/01: [impl] add config flag USE_VARIABLE_SYNTAX.
1311                   (turn off variable syntax on Ruby)
13122003/07/01: [spec] add syntax behavior REG_SYN_DIFFERENT_LEN_ALT_LOOK_BEHIND.
13132003/06/30: [spec] allow different length top-level alternatives
1314                   in look-behind.    ex. (?<=abc|abcd), (?<!a|bc)
13152003/06/26: [spec] add option REG_OPTION_NEGATE_SINGLELINE.
13162003/06/26: [spec] should default on REG_OPTION_SINGLELINE
1317                   for REG_SYNTAX_PERL and REG_SYNTAX_JAVA.
13182003/06/26: [impl] add options member to RegStntaxType.
13192003/06/26: [spec] don't change the meaning of '\Z' for REG_OPTION_SINGLELINE.
13202003/06/25: [dist] don't use option REG_NEWLINE for sample/posix.c.
13212003/06/25: [dist] modify testconv.rb.
1322                   should match and convert double quoted string data.
1323                   ex. x(/\ca/, "\001", 0, 1)
13242003/06/25: [impl] add REG_SYN_OP2_ESC_CAPITAL_C_BAR_CONTROL and
1325                   REG_SYN_OP2_ESC_M_BAR_META.
13262003/06/25: [impl] add REG_SYN_OP_ESC_OCTAL3 and REG_SYN_OP_ESC_X_HEX2.
13272003/06/24: [impl] add REG_SYN_OP2_ESC_V_VTAB. (\v is VTAB)
13282003/06/24: [bug]  should invert REG_OPTION_SINGLELINE flag
1329                   in REG_SYN_OP2_OPTION_PERL.
13302003/06/24: [impl] add REG_SYN_OP2_OPTION_PERL and REG_SYN_OP2_OPTION_RUBY.
1331                   meaning of (?m) and (?s) are depend on syntax.
1332
13332003/06/20: Version 1.9.0
1334
13352003/06/20: [spec] \Q...\E is not effective on REG_SYNTAX_RUBY. (thanks akr)
13362003/06/19: [inst] rename regex.h to oniguruma.h.
13372003/06/18: [impl] change REG_EXTERN setting condition. (__CYGWIN__)
13382003/06/18: [bug]  return wrong result UTF-8 case in regex_mb2wc().
13392003/06/18: [impl] add REG_SYN_OP2_POSSESSIVE_INTERVAL.  a{n,m}+
13402003/06/18: [new]  add REG_SYNTAX_JAVA.
13412003/06/18: [spec] add REG_SYN_OP_QUOTE.
13422003/06/18: [spec] add op2 member to RegSyntaxType.
1343                   rename some REG_SYN_OP_XXX to REG_SYN_OP2.
13442003/06/16: [new]  Perl-like quotation operator \Q, \E.
13452003/06/16: [spec] should not control ignore case mode by escaped char.
1346                   ex. /\J/i =~ "j", /[\J]/i =~ "j"    (same as Perl)
13472003/06/13: [bug]  modify onigposix.h.
13482003/06/13: [bug]  should use -DIMPORT for link with DLL in win32/Makefile.
13492003/06/13: [dist] add sample/names.c
13502003/06/12: [bug]  range should be from - 1 in not_wc_range_buf().
13512003/06/12: [spec] should warn for '-' before '&&' operator in char-class.
13522003/06/12: [new]  add REG_SYNTAX_PERL.
13532003/06/12: [spec] add syntax behavior REG_SYN_WARN_FOR_CC_OP_NOT_ESCAPEED.
13542003/06/12: [spec] invalid POSIX bracket should be error.   ex. [[:upper :]]
13552003/06/11: [new]  char-class in char-class (as Java(TM)).
13562003/06/11: [spec] change AND operator in char-class from &&[..] to &&.
13572003/06/04: [spec] {n,m}+ should not be possessive operator.
1358                   ex. a{3}+ should be (?:a{3})+
13592003/06/03: [bug]  should compare strings with min-length in is_not_included().
13602003/06/03: [impl] automatic possessivate optimization.  a*b ==> (?>a*)b
1361                   (thanks Jeffrey E. F. Friedl)
13622003/06/02: [impl] remove multibyte-BitSet for OP_CCLASS_MB/OP_CCLASS_MB_NOT.
13632003/05/30: [new]  char class intersection operator &&[...] like Java(TM).
1364                   (thanks akr)
13652003/05/30: [bug]  should use bbuf_free() for CClassNode in regex_node_free().
13662003/05/29: [bug]  wrong usage of syntax REG_SYN_ALLOW_EMPTY_RANGE_IN_CC.
1367                   /[d-a]/ should be error.
13682003/05/28: [impl] optimize stop-backtrack compiled code.
1369                   (/(?>a*)/, /(?>\w+)/ etc...)
1370                   add OP_POP opcode.
13712003/05/28: [new]  possessive repeat operator. (?+, *+, ++, {n,m}+)
13722003/05/27: [spec] '-' at beginning of char-class should be warn only if
1373                   it is start of range.  (ex. /[--a]/)
13742003/05/27: [spec] should not warn for right bracket at beginning of pattern.
1375                   ex. /]aaa/
13762003/05/27: [spec] change CCEND_ESC_WARN() from VERB_WARNING() to WARNING().
13772003/05/27: [spec] /[]aaa/ should be empty char-class error.
1378                   /[]aaa]/ should be warn for 'without backslash'.
1379                   (add char_exist_check() in regparse.c)
13802003/05/26: [bug]  OP_REPEAT in recursive subexp call.
1381                   ex. /(?<n>(a|b\g<n>c){3,5})/.match("baaaaca") => "baaaaca"
1382                       was wrong result. (should be "aaaa")
13832003/05/26: [impl] add num_call member to regex_t.
13842003/05/26: [impl] add repeat_range member to regex_t.
1385                   (for delete upper,lower members from StackType.u.repeat)
13862003/05/26: [bug]  change print_names() to external regex_print_names().
13872003/05/26: [tune] change OP_NULL_CHECK_END process in match_at().
13882003/05/26: [spec] change CCEND_ESC_WARN() from WARNING() to VERB_WARNING().
13892003/05/26: [spec] remove POSIXLINE option. (?p:...)
1390                   (be made the same as Ruby.)
13912003/05/22: [spec] use OP_NULL_CHECK_XXX only if repeat is infinite.
1392                   prev. /(?:()|()){0,10}\1\2/ =~ ""  ==> FAIL
1393                   now   /(?:()|()){0,10}\1\2/ =~ ""  ==> MATCH
1394
13952003/05/22: [impl] change target_empty setting condition in setup_tree().
13962003/05/19: [impl] avoid zero length repeat optimization.  (thanks matz)
1397                   /()*/ ==> /()?/, /()+/ ==> /()/ etc...
13982003/05/19: [impl] minor changes for gcc -Wall. (-DREG_DEBUG_STATISTICS case)
13992003/05/19: [spec] rename regex_foreach_names() to regex_foreach_name().
14002003/05/16: [new]  add --with-statistics option to configure.
14012003/05/16: [bug]  move RegOpInfo[] definition to regint.h.
14022003/05/16: [new]  add regex_version().
1403
14042003/05/14: Version 1.8.6
1405
14062003/05/14: [bug]  use _vsnprintf() on Win32.
14072003/05/14: [spec] define USE_NEWLINE_AT_END_OF_STRING_HAS_EMPTY_LINE.
1408                   (/\n$/ =~ "\n", /\n\Z/ =~ "\n") [ruby-dev:20125]
14092003/05/14: [impl] minor changes for gcc -Wall.
14102003/05/14: [impl] add string.h check in AC_CHECK_HEADERS().
14112003/05/13: [impl] minor changes for gcc -Wall.
14122003/05/13: [impl] add regex_snprintf_with_pattern().
14132003/05/13: [spec] add warning for char class meta character without escape
1414                   in Ruby mode ('[', '-', ']').
14152003/05/13: [impl] define WARNING() and VERB_WARNING() in regint.h.
14162003/05/13: [bug]  correct is_code_ascii() for /[[:ascii:]]/.
14172003/05/12: [dist] add regular expression document (doc/RE).
14182003/05/12: [spec] specification of $(END_LINE) was made the same as Ruby 1.8.
1419                   [ruby-dev:20130]     (thanks matz)
14202003/05/12: [memo] shifted to Subversion(version 0.21.0) from CVS.
1421
14222003/03/19: Version 1.8.5
1423
14242003/03/19: [impl] change REG_EXTERN definition.   (thanks nobu)
14252003/03/19: [impl] abbreviation for long error_par in regex_error_code_to_str().
14262003/03/18: [dist] change re.c.XXX.patch for GNU regex API changes.
14272003/03/18: [spec] change API regex_new(), regex_recompile() and
1428                   regex_error_code_to_str().
1429                   change API re_compile_pattern() and re_recompile_pattern().
14302003/03/18: [spec] replace REGERR_END_PATTERN_AT_GROUP_{COMMENT|OPTION} to
1431                   REGERR_END_PATTERN_IN_GROUP.
14322003/03/17: [impl] should free err_arg.
14332003/03/17: [bug]  mistake(high -> to) in add_wc_range_to_buf().
14342003/03/17: [spec] add err_arg argument to regex_new() and regex_recompile().
1435                   for detail error message.  (thanks akr)
1436
14372003/03/12: Version 1.8.4
1438
14392003/03/12: [tune] use cached value of effect node in get_min_match_length().
14402003/03/12: [bug]  escaped alphabet should be TK_RAW_BYTE
1441                   in fetch_token() and fetch_token_in_cc().
14422003/03/12: [spec] change named backref and subexp call format.
1443                   backref: \k<name>, call: \g<name>     (thanks akr)
14442003/03/11: [inst] add regparse.[ch] in win32/Makefile.
14452003/03/11: [bug]  if UNALIGNED_WORD_ACCESS isn't setted
1446                   then compile error in unset_addr_list_fix().  (thanks knu)
14472003/03/10: [impl] divide regcomp.c to regcomp.c, regparse.c and regparse.h.
14482003/03/10: [bug]  should handle multi-byte code name in fetch_name().
14492003/03/10: [spec] remove REGERR_TABLE_FOR_IGNORE_CASE_IS_NOT_SETTED.
14502003/03/10: [spec] support POSIX API option REG_NOSUB.
1451                   add comp_options member to POSIX API regex_t.
1452
14532003/03/10: Version 1.8.3
1454
14552003/03/10: [bug]  can not compile with Ruby 1.6.8.
1456                   (inconsistent st.h with 1.6 and 1.8)
1457                   use hash table on Ruby 1.8 only.
14582003/03/10: [spec] forbid to use '\' in group name.
14592003/03/08: [impl] remove check_backref_number().
14602003/03/08: [bug]  called group in 0-repeat should not be eliminated from
1461                   compile code.  ex. /(?*n)(?<n>){0}/   (thanks akr)
1462                   add is_refered member to QualifierNode.
14632003/03/07: [impl] use hash table(st.[ch]) for implementation of name table.
1464                   (enable on Ruby in default)
14652003/03/07: [new]  add regex_foreach_names().
14662003/03/06: [impl] add member reg->stack_pop_level.
14672003/03/06: [impl] add operator OP_MEMORY_START and member reg->backtrack_mem.
14682003/03/06: [bug]  if REG_OPTION_FIND_LONGEST or REG_OPTION_NOT_EMPTY,
1469                   should handle backtrack of MEM_END.
1470                   add OP_MEMORY_END_PUSH and OP_MEMORY_END_PUSH_REC.
14712003/03/06: [impl] rename OP_MEMORY_END_PUSH to OP_MEMORY_END_MARK.
14722003/03/06: [spec] change error messages.
14732003/03/06: [tune] add tiny_pop check in STACK_POP.
1474
14752003/03/05: Version 1.8.2
1476
14772003/03/05: [impl] use cache info in EFFECT_MEMORY case
1478                   in optimize_node_info().
14792003/03/05: [impl] add EFFECT_MEMORY node reference count check
1480                   in optimize_node_left().
14812003/03/05: [impl] add min-len, max-len, char-len cache in EffectNode.
14822003/03/05: [spec] allow to call in look behind. ex. /(?<=(?*a))/
14832003/03/05: [bug]  forgotten N_ANCHOR case in check_backref_number(),
1484                   subexp_inf_recursive_check_trav() etc...
14852003/03/05: [impl] rename USE_ONIGURUMA_EXTENSION to USE_SBMB_CLASS.
14862003/03/04: [impl] add CALL-node info in optimize_node_left().
14872003/03/04: [spec] prohibit left recursion of subexp call.   ex. (?<n>|(?*n)a)
1488                   add subexp_inf_recursive_check_trav().
14892003/03/04: [spec] rename REG_SYN_STRICT_CHECK_BACKREF_NUMBER
1490                   to REG_SYN_STRICT_CHECK_BACKREF
14912003/03/03: [bug]  /(?<n>a(?*n)|)/ isn't infinite recursion.
1492                   fix N_LIST case in subexp_recursive_check(). (thanks akr)
14932003/03/03: [bug]  /(?<n>|(?*n))+/ segmentation fault.
1494                   should re-allocate in unset_addr_list_add(). (thanks akr)
1495
14962003/03/01: Version 1.8.1
1497
14982003/03/01: [bug]  change STACK_GET_MEM_START() and STACK_PUSH_MEM_END().
14992003/03/01: [new]  add reg_name_to_group_numbers() to POSIX API.
15002003/03/01: [impl] use OP_MEMORY_END_PUSH in callable subexp compiled code
1501                   only if subexp is recursive.
15022003/03/01: [spec] rename regex_name_to_backrefs() to
1503                   regex_name_to_group_numbers().
15042003/02/28: [impl] use function stack_double() instead of macro.
15052003/02/28: [new]  subexp call. (?*name)    (thanks akr)
15062003/02/28: [spec] add match stack limit check. (MATCH_STACK_LIMIT_SIZE)
15072003/02/28: [impl] check recursive subexp call.
15082003/02/28: [impl] add opcode OP_MEMORY_END_PUSH for callable subexp.
15092003/02/28: [impl] add opcode OP_CALL, OP_RETURN.
1510                   add stack type STK_CALL_FRAME, STK_RETURN, STK_MEM_END.
15112003/02/26: [spec] add new syntax behavior REG_SYN_STRICT_CHECK_BACKREF_NUMBER.
1512                   if it is setted, then error /(\1)/, /\1(..)/ etc...
15132003/02/26: [spec] if backref number is greater than max group number,
1514                   then return compile error. (REGERR_INVALID_BACKREF_NUMBER)
15152003/02/26: [tune] bad implemented N_ALT case in get_min_match_length().
15162003/02/26: [dist] auto update testc.c and win32/testc.c in dist target.
15172003/02/26: [impl] add -win option to testconv.rb.
15182003/02/25: [spec] allow to assign same name to different group.
1519                   add OP_BACKREF_MULTI.
15202003/02/24: [impl] reduce redundant repeat of empty target.
1521	           ex. /()*/ ==> /()?/, /()+/ ==> /()/, /(?:)+/ ==> //
15222003/02/24: [impl] change condition in regex_is_allow_reverse_match().
15232003/02/24: [impl] convert i(/../, ...) functions in testconv.rb.
15242003/02/24: [impl] change name table struct.
1525
15262003/02/22: Version 1.8.0
1527
15282003/02/22: [new]  named subexp, named back reference.  (thanks akr)
1529                   define: (?<name>...), back-ref: \g<name>
15302003/02/22: [impl] use str_node_can_be_split().
15312003/02/21: [dist] add sample/posix.c
15322003/02/21: [spec] rename some error code symbols.
15332003/02/21: [spec] max number of multibyte ranges(255) is small.
1534                   255 --> 1000.   (thanks MoonWolf)
15352003/02/20: [new]  supported Basic Regular Expression(BRE) in POSIX API.
1536                   (REG_EXTENDED option: Extended RE)
15372003/02/20: [new]  variable syntax.
1538
15392003/02/12: Version 1.7.2
1540
15412003/02/12: [bug]  mismatch /\?a/i.match('?A').
1542                   check raw value in scan_make_node() and scan_backslash().
1543                   (thanks Nobu)
15442003/02/12: [impl] rename 'max_mem' to 'num_mem' in regex_t.
15452003/02/12: [impl] rename 'code' to 'enc' in regex_t.
15462003/02/12: [spec] remove transtable argument in regex_new and regex_recompile.
1547                   remove transtable member in regex_t.
15482003/02/10: [inst] change backup file suffix name from '.orig' to '.ruby_orig'.
1549                   (win32/Makefile)
15502003/02/10: [spec] number check in scan_char_class() ignore-case mode.
1551                   ex. /[\x58-\x64]/i
15522003/02/10: [impl] don't use OP_MEMORY_END_PUSH (and STK_MEM_END).
15532003/02/10: [impl] lift up head_exact value from child qualifier node to parent.
15542003/02/10: [tune] change stack type values.
15552003/02/10: [dist] add HISTORY.
15562003/02/08: [tune] change stack type values.
15572003/02/08: [tune] add STACK_BASE_CHECK().
15582003/02/08: [tune] add STACK_PUSH_ENSURED().
15592003/02/08: [dist] change contents of doc/API.
15602003/02/07: [inst] change backup file suffix name from '.orig' to '.ruby_orig'.
15612003/02/07: [spec] range in char-class should be same spec. with Ruby
1562                   in ignore-case mode. (ex. /[A-c]/i == /[a-c]/i)
1563                   (thanks MoonWolf)
15642003/02/07: [spec] [!--] should be allowed.    (thanks MoonWolf)
15652003/02/07: [dist] refresh re.c.180.patch for re.c (2003-02-06).
1566
15672003/02/07: Version 1.7.1
1568
15692003/02/07: [impl] check first byte of string in ignore-case mode.
1570                   (get_head_exact_node())
15712003/02/07: [impl] remove redundant statements in setup_tree().
15722003/02/06: [new]  create Win32 DLL.
15732003/02/06: [impl] use P_() macro for function prototype.
15742003/02/06: [impl] add HAVE_PROTOTYPE, HAVE_STDARG_PROTOTYPES in
1575                   configure.in and config.h.in.
15762003/02/06: [spec] /[0-9-a]/ is allowed as usual char '-' and 'a' in Ruby.
1577                   add USE_BETTER_COMPATIBILITY_FOR_ORIGINAL_REGEX in
1578                   regint.h.   (thanks MoonWolf)
15792003/02/06: [spec] rename REG_MBCTYPE_XXXX to REG_ENCODING_XXXX in onigposix.h.
15802003/02/05: [spec] rename MBCTYPE_XXXX to REG_MBCTYPE_XXXX in onigposix.h.
15812003/02/05: [spec] add POSIX API error REG_EONIG_THREAD to onigposix.h.
15822003/02/05: [dist] add .cvsignore file.
1583
15842003/02/04: Version 1.7
1585
15862003/02/04: [bug]  typo miss in regex_region_copy().
15872003/02/04: [impl] change THREAD_PASS macro. (regint.h)
15882003/02/04: [dist] add API document file doc/API.
15892003/02/04: [tune] if sub_anchor has ANCHOR_BEGIN_LINE then
1590                   set REG_OPTIMIZE_EXACT_BM in set_optimize_exact_info().
15912003/02/04: [spec] reimplement regex_clone() and it is obsoleted.
15922003/02/04: [bug]  add REGERR_OVER_THREAD_PASS_LIMIT_COUNT
1593                   to regerror.c regposix.c.
15942003/02/03: [bug]  Hankaku-Kana may be second byte in Shift_JIS
1595                   regex_is_allow_reverse_match().
15962003/02/03: [impl] add optimization type REG_OPTIMIZE_EXACT_BM_NOT_REV.
1597                   remove exact_allow_reverse_match member in regex_t.
15982003/02/03: [impl] add exact_allow_reverse_match member in regex_t.
15992003/02/03: [impl] compile-search conflict in regex_search() is handled.
16002003/02/01: [tune] decrease regex_region_clear() calling from regex_search().
16012003/02/01: [tune] remove region argument from match_at().
16022003/01/31: [tune] don't use strlen() in regexec() and regcomp().
16032003/01/31: [tune] decrease regex_reduce_chain() calling in regex_search().
16042003/01/31: [bug]  STRING_CMP() in regexec.c was wrong in ignore-case.
16052003/01/31: [impl] convert to lower-case char at string compile time.
1606                   change SBTRANSCMP() in regexec.c.
16072003/01/31: [impl] rename TTRANS() to TOLOWER().
16082003/01/30: [bug]  .c.o --> .c.obj in win32\Makefile.
16092003/01/30: [impl] add -DNOT_RUBY to Makefile.in.
1610                   NOT_RUBY is referred in regint.h for escape double
1611                   including config.h.
16122003/01/30: [impl] when string hasn't case ambiguity, don't compile
1613                   to ignore case opcode.
16142003/01/29: [impl] add SJIS, UTF-8 test_sb() test.
16152003/01/29: [dist] add INSTALL-RUBY file.
16162003/01/28: [test] success in Cygwin, Ruby 1.8.0 (2003-01-27).
16172003/01/24: [inst] add rback target to Makefile.in.
16182003/01/24: [impl] change SBCMP() -> IS_NEWLINE() in match_at().
16192003/01/23: [impl] add encoding arg to scan_xxxx_number().
16202003/01/23: [impl] rename WCInt to WCINT.
16212003/01/22: [bug]  POSIX API regexec() was not thread safe.
1622                   remove region member from POSIX regex_t.
1623            [new]  add search time option REG_OPTION_POSIX_REGION.
1624                   (region argument is treated as regmatch_t[] type)
1625                   speed up regexec().
16262003/01/22: [memo] start CVS entry in my box.
1627
16282003/01/21: Version 1.6
1629
16302003/01/21: [test] Mac OS X 10.1, Ruby 1.8.0 (2003-01-20)
16312003/01/20: [impl] add UTF-8 check to test.rb.   (thanks UENO Katsuhiro)
16322003/01/18: [impl] change REGION_NOTPOS to REG_REGION_NOTPOS in regex.h.
16332003/01/17: [dist] add sample/simple.c.
16342003/01/17: [inst] add configure option --with-rubydir.
16352003/01/17: [bug]  bad implemeted POSIX API options.
1636                   default:     /./ not match "\n", anchor not match "\n"
1637                   REG_NEWLINE: /./ not match "\n", anchor match "\n"
16382003/01/16: [impl] rewrite POSIX API regexec() for speed up.
16392003/01/16: [impl] add region member to POSIX regex_t struct.
16402003/01/16: [inst] rename library file from 'libregex.a' to 'libonig.a'.
16412003/01/15: [dist] add testc.c to distribution file.
16422003/01/15: [test] success in 'make rtest/ctest/ptest' on Windows 2000.
16432003/01/15: [bug]  change '/' to \' in win32/Makefile.
16442003/01/14: [test] success in Ruby make test on Windows 2000.
1645                   VC++6.0, Ruby 1.6.8 (2003-01-12)
16462003/01/14: [inst] change Makefile.in and win32/Makefile.
16472003/01/11: [inst] changes for Win32 platform. (regint.h, reggnu.c, regcomp.c)
16482003/01/11: [dist] add win32 directory. (config.h, Makefile, testc.c)
16492003/01/10: [inst] add onigposix.h to install target. (Makefile.in)
16502003/01/10: [bug]  lacked a comma in ESTRING[]. (regposerr.c)
16512003/01/10: [bug]  local variable name was wrong. buf -> tbuf (regerror())
16522003/01/10: [spec] remove REG_RUBY_M17N case from onigposix.h and regposix.c.
1653
16542003/01/09: Version 1.5
1655
16562003/01/09: [inst] replace Ruby re.c.XXX.patch files. (166 -> 168, 172 -> 180)
16572003/01/09: [new]  implement POSIX API.   (thanks knu)
1658                   (onigposix.h, regposix.c, regposerr.c)
16592003/01/08: [spec] remove REGERR_END_PATTERN_AFTER_BACKSLASH in regex.h.
16602003/01/08: [spec] region arg can be NULL in regex_search() and regex_match().
1661
16622003/01/08: Version 1.4
1663
16642003/01/08: [inst] add test program converter (test.rb -> testc.c).
16652003/01/08: [bug]  move GET_WCINT() from regcomp.c to regint.h.
16662003/01/07: [inst] add new test script (test.rb).
16672002/12/30: [bug]  wrong merge in multibyte mode (alt_merge_opt_exact_info()).
16682002/12/28: [inst] add rtest target to Makefile.in.
16692002/12/28: [bug]  /\xfe/.match("\xfe") mismatch in multibyte mode.
1670                   add "raw" flag arg to concat_opt_exact_info_str().
16712002/12/25: [bug]  check condition was wrong in alt_merge_opt_map_info().
16722002/12/25: [impl] add threshold_len check in regex_search().
16732002/12/23: [bug]  prec-read in alternative (/a|(?=z).f/.match("zf") => nil)
16742002/12/23: [bug]  \G in alternative (/a|\Gz/.match("bza") => "z").
1675                   add start member in MatchArg. (regexec.c)
16762002/12/21: [impl] **** rewrite all optimization process. ****
16772002/12/16: [impl] remove node subtype EFFECT_EMPTY.
16782002/12/12: [impl] reconstruct node types. (regcomp.c)
16792002/12/11: [impl] add regerror.c
16802002/12/10: [bug]  [ruby-dev:19042] (thanks Nobu)
1681                   anchor(\G etc...) influenced outside of "|". (/a|\Gb/)
16822002/11/30: [bug]  [ruby-dev:18966] (thanks Nobu)
1683                   char-class(\S, [^\s] etc...) optimize map-info was wrong.
16842002/11/29: [bug]  infinite loop on NULL-pointer str search (regex_search()).
1685                   (thanks matz)
16862002/11/29: [bug]  change static -> extern (regex_chain_reduce()).
16872002/11/29: [bug]  change encoding to RegDefaultCharEncoding
1688                   in re_recompile_pattern(). (adapt to re.c)
16892002/04/24: [spec] USE_ONIGURUMA_EXTENSION is disabled in default.
16902002/04/24: [new]  add searching time option: REG_OPTION_NOTBOL/NOTEOL.
1691                   add searching time option argument to regex_search() and
1692                   regex_match(). (prepare for POSIX API)
16932002/04/20: [impl] divide regex.c file into regcomp.c, regexec.c, reggnu.c
1694                   and regint.h.
16952002/04/09: [impl] move IS_MULTILINE() to outside of loop in OP_ANYCHAR_STAR.
16962002/04/08: [impl] don't use OP_REPEAT operator for '??'.
16972002/04/06: [impl] reduce redundant nested repeat operators(?,*,+,??,*?,+?).
1698                   ex. (?:a*)?, (?:a??)* etc..
16992002/04/06: [spec] should not warn for /(?:a?)+?/.
17002002/04/04: [spec] should allow fixed length alternative and repeat pattern
1701                   in look-behind. ex. /(?<=(a|b){3})/  (thanks Guy Decoux)
17022002/04/02: [spec] should warn for /(?:a+)?/ and /(?:a*)??/.  (thanks akr)
1703
17042002/04/01: Version 1.3
1705
17062002/04/01: [dist] add COPYING.
17072002/03/30: [spec] warn redundant nested repeat operator
1708                   in Ruby verbose mode.  ex. (?:a*)?
17092002/03/30: [spec] nested repeat operator error check should be
1710                   same with GNU regex.             (thanks Guy Decoux)
17112002/03/30: [new]  add \x{hexadecimal-wide-char}.   (thanks matz)
17122002/03/27: [bug]  MBCTYPE_XXX symbol values should be same with GNU regex.
17132002/03/27: [impl] add THREAD_ATOMIC to regex_clone(), regex_init(), regex_end().
17142002/03/25: [spec] if encoding is utf-8, allow combination of singlebyte and
1715                   multibyte code range in char class.
1716                   (cancelled 2002/04/01: for M17N compatibility)
17172002/03/25: [dist] description of the license condition is added to README.
17182002/03/23: [bug]  should set all bits of reg->mem_stats,
1719                   if REG_OPTION_FIND_LONGEST or REG_OPTION_NOT_EMPTY.
17202002/03/23: [new]  add a new option REG_OPTION_NOT_EMPTY.
17212002/03/20: [spec] allow incompleted left brace as an usual char.
1722                   ex. /{/, /({)/, /a{2,3/ etc...
17232002/03/20: [impl] serialize integer in bytecode.
1724                   (switch by UNALIGNED_WORD_ACCESS in regex.c)
17252002/03/20: [impl] change re_mbcinit() for REG_RUBY_M17N.
17262002/03/19: [impl] word alignment of char class multi-byte code ranges.
17272002/03/19: [impl] replace OP_EXACTMB4N with OP_EXACTMB3N.
17282002/03/19: [bug]  OP_CCLASS_MB_NOT process in matchAt() is wrong.
17292002/03/19: [new]  add re_mbctab[] for Ruby extension library compatibility.
17302002/03/19: [spec] allow nested repeat operator, if operator is {n,m} type.
17312002/03/19: [new]  add REG_IS_PATTERN_ERROR(ecode) in regex.h
17322002/03/18: [spec] /[a-b-c]/ should be error.
17332002/03/18: [bug]  /[\w-a]/ should be error.        (thanks Guy Decoux)
17342002/03/18: [bug]  /[\]/ should be error.           (thanks Guy Decoux)
17352002/03/18: [bug]  /()*/ etc.. should not be error. (thanks Guy Decoux)
17362002/03/18: [spec] /a{1}*/ should not be error.     (thanks Guy Decoux)
17372002/03/18: [bug]  ab{2}{3} was interpreded to (?:a(?:b{2})){3}
1738                   (thanks Guy Decoux)
17392002/03/18: [bug]  abort /(?i)*a/ etc...            (thanks Guy Decoux)
17402002/03/18: [bug]  abort /a|*/,/a|{1}/ etc...       (thanks Guy Decoux)
1741
17422002/03/13: Version 1.2
1743
17442002/03/13: [test] success in rubicon/builtin/AllBuiltinTests.rb.
1745                   (thanks rubicon)
17462002/03/13: [bug]  OP_EXACTMBN process in matchAt() is wrong.
17472002/03/13: [bug]  start argument of BackwardSearchRange() is wrong.
17482002/03/12: [spec] change function name style from CamelCase
1749                   to underline_separation. (includes API)
17502002/03/12: [bug]  if pattern has nested null-check, cause infinite loop.
1751                   correct STACK_NULL_CHECK() macro. (thanks Guy Decoux)
17522002/03/11: [bug]  it is wrong that four numbers to continue as
1753                   an octal value in scanBackSlash(). ex. /\0111/
1754                   (thanks matz)
17552002/03/11: [new]  \k (single-byte word char), \K (multi-byte char).
17562002/03/09: [inst] add two targets to Makefile.in (166 and 172).
17572002/03/09: [spec] decrease REG_MAX_BACKREF_NUM, REG_MAX_REPEAT_NUM
1758                   values.
17592002/03/08: [spec] allow use of "\A"(begin-buf) in look-behind.
17602002/03/08: [impl] add a new opcode OP_PUSH_IF_PEEK_NEXT.
17612002/03/08: [impl] add a new opcode OP_ANYCHAR_STAR_PEEK_NEXT.
17622002/03/07: [spec] prohibit use of capture group "(...)"
1763                   in negative look-behind.
17642002/03/07: [inst] add configure.in, config.h.in, Makefile.in.
17652002/03/07: [impl] call Init_REGEX_STAT() in RegexInit().
17662002/03/07: [spec] less length string match with negative look-behind.
1767                   ex. /(?<!XXX)a/.match("Xa").    (thanks Nobu)
17682002/03/06: [impl] expand repeated string, if expanded length <= 100.
1769                   ex. /(?:abc){10}/
17702002/03/06: [new]  add a symbol REG_TRANSTABLE_USE_DEFAULT in regex.h.
17712002/03/06: [impl] rename RegDefaultCharCode to RegDefaultCharEncoding.
17722002/03/06: [bug]  if pattern has NULL(\000) char, infinite loop happens
1773                   in ScanMakeNode(). (beware of strchr(). thanks Nobu)
17742002/03/06: [bug]  range argument of ForwardSearchRange() is wrong.
1775                   ex. /\A.a/, /\G.a/ mismatched with "aa". (thanks Nobu)
17762002/03/05: [new]  add RegexMatch() API. rename regexMatch() to matchAt().
17772002/03/05: [impl] change function definition style.
17782002/03/05: [impl] abolish use of macro symbol which name begin with underline.
17792002/03/04: [bug]  make up a break-statement in compileTree().
1780                   (compile error on Mac OS X 10.1.3)
1781
17822002/03/04: Version 1.1
1783
17842002/03/04: [impl] replace STK_BOTTOM with STK_ALT.
17852002/03/02: [impl] add new opcode OP_FINISH and new stack type
1786                   STK_BOTTOM for (little bit) speed up STACK_POP.
17872002/03/02: [impl] add new opcode OP_EXACT1_IC, OP_EXACTN_IC
1788                   for compile time ignore case check.
1789                   remove opcode OP_EXACT1_RAW, OP_EXACTN_RAW.
17902002/03/02: [impl] add OpTime info to statistical data.
17912002/02/28: [bug]  sub_anchor($) in ForwardSearch() and BackwardSearch().
1792                   ex. /$\x0az/.match("\nz")
17932002/02/28: [new]  look-behind (?<=pattern), (?<!pattern).
17942002/02/27: [bug]  use StackIndex instead of StackType* for realloc problem.
17952002/02/27: [impl] use m17n_codepoint() as mb2wc() in REG_RUBY_M17N.
17962002/02/27: [spec] undefined POSIX bracket /[[:xyz:]]/ should be syntax error.
17972002/02/26: [bug]  ex. /$*/, /[a-]/, /((?i)a)b/   (thanks matz)
1798
17992002/02/25: Version 1.0 (first release)
1800
1801--
1802[bug:  bug fix]
1803[API:  API change/new/delete]
1804[new:  new feature]
1805[spec: specification change]
1806[impl: implementation change]
1807[tune: tune for speed up]
1808[inst: changes for installation]
1809[dist: distribution change]
1810[test: test]
1811[memo: memo]
1812--
1813<CVS: show all tags>
1814cvs history -T
1815
1816<CVS: add tag>
1817cvs rtag "VERSION_X_X_X" oniguruma
1818
1819
1820<GNU Autotools: bootstrap>
1821* write Makefile.am and configure.in.
1822> aclocal
1823> libtoolize
1824> automake --foreign --add-missing
1825> autoconf
1826> configure --with-rubydir=... CFLAGS="-O2 -Wall"
1827
1828
1829<GNU libtool: version management>
1830
1831  VERSION = current:revision:age
1832
1833  current:  interface number (from 0)
1834  revision: implementation number of same interface (from 0)
1835  age:      number of supported previous interfaces
1836            (if current only supported then age == 0)
1837
1838//END
1839