[ViewVC] Annotation of: cvs/JSON-XS/Changes

Revision history for Perl extension JSON::XS

TODO: maybe detetc and croak on more invalid inputs (e.g. +-inf/nan)
TODO: maybe avoid the reblessing and better support readonly objects.
TODO: http://stevehanov.ca/blog/index.php?id=104 compression

TODO: how to cope with tagged values and standard json decoders
TODO: work around <=5.16 bugs (Reini Urban)
TODO: decide what to do with RFC7158 incompatibilities.
        - allow literal tabs in strings in relaxed mode (patch by
          lubo.rintel@gooddata.com).

3.01 Tue Oct 29 16:55:15 CET 2013
        - backport to perls < 5.18 (reported by Paul Howarth).

3.0  Tue Oct 29 01:35:37 CET 2013
        - implemented an object tagging extension (using the
          Types::Serialiser serialisation protocol).
        - reworked the documentation regarding object serialisation,
          add a new OBJECT SERIALISATION section that explains th
          whole process.
        - new setting: allow_tags.
        - switch to Types::Serialiser booleans.
        - remove to_json/from_json.
        - other minor improvements to the documentation.

2.34 Thu May 23 11:30:34 CEST 2013
        - work around bugs in perl 5.18 breaking more than 100
          widely used modules, without a fix in sight because
          p5pers don't care about CPAN anymore.
        - when canonicalising, only allocate up to 64 hash key
          pointers on the stack. for larger hashes, use the heap,
          to avoid using too much stackspace.
        - discuss the problem with setlocale (reported by a few victims).

2.33 Wed Aug  1 21:03:52 CEST 2012
        - internal encode/decode XS wrappers did not expect stack
          moves caused by callbacks (analyzed and testcase by Jesse Luehrs).
        - add bencode as to/from option in bin/json_xs.
        - add -e option to json_xs, and none and string in/out formats.

2.32 Thu Aug 11 19:06:38 CEST 2011
        - fix a bug in the initial whitespace accumulation.

2.31 Wed Jul 27 17:53:05 CEST 2011
        - don't accumulate initial whitespace in the incremental buffer
          (this can be useful to allow whitespace-keepalive on a tcp
          connection without triggering the max_size limit).
        - properly croak on some invalid inputs that are not strings
          (e.g. undef) when trying to decode a json text (reported
          and analyzed by Goro Fuji).

2.3   Wed Aug 18 01:26:47 CEST 2010
        - make sure decoder doesn't change the decoding in the incremental
          parser (testcase provided by Hendrik Schumacher).
        - applied patch by DaTa for Data::Dumper support in json_xs.
        - added -t dump support to json_xs, using Data::Dump.
        - added -f eval support to json_xs.

2.29  Wed Mar 17 02:39:12 CET 2010
        - fix a memory leak when callbacks set using filter_json_object
          or filter_json_single_key_object were called (great testcase
          by Eric Wilhelm).

2.28  Thu Mar 11 20:30:46 CET 2010
        - implement our own atof function - perl's can be orders of
          magnitudes slower than even the system one. on the positive
          side, ours seems to be more exact in general than perl's.
          (testcase provided by Tim Meadowcroft).
        - clarify floating point conversion issues a bit.
        - update jpsykes csrf article url.
        - updated benchmark section - JSON::PP became much faster!

2.27  Thu Jan  7 07:35:08 CET 2010
        - support relaxed option inside the incremental parser
          (testcase provided by IKEGAMI via Makamaka).

2.26  Sat Oct 10 03:26:19 CEST 2009
        - big integers could become truncated (based on patch
          by Strobl Anton).
        - output format change: indent now adds a final newline, which is
          more expected and more true to the documentation.

2.25  Sat Aug  8 12:04:41 CEST 2009
        - the perl debugger completely breaks lvalue subs - try to work
          around the issue.
        - ignore RMAGICAL hashes w.r.t. CANONICAL.
        - try to work around a possible char signedness issue on aix.
        - require common sense.

2.24  Sat May 30 08:25:45 CEST 2009
        - the incremental parser did not update its parse offset
          pointer correctly when parsing utf8-strings (nicely
          debugged by Martin Evans).
        - appending a non-utf8-string to the incremental parser
          in utf8 mode failed to upgrade the string.
        - wording of parse error messages has been improved.

2.232 Sun Feb 22 11:12:25 CET 2009
        - use an exponential algorithm to extend strings, to
          help platforms with bad or abysmal==windows memory
          allocater performance, at the expense of some memory
          wastage (use shrink to recover this extra memory).
          (nicely analysed by Dmitry Karasik).

2.2311 Thu Feb 19 02:12:54 CET 2009
        - add a section "JSON and ECMAscript" to explain some
          incompatibilities between the two (problem was noted by
          various people).
        - add t/20_faihu.t.

2.231 Thu Nov 20 04:59:08 CET 2008
        - work around 5.10.0 magic bugs where manipulating magic values
          (such as $1) would permanently damage them as perl would
          ignore the magicalness, by making a full copy of the string,
          reported by Dmitry Karasik.
        - work around spurious warnings under older perl 5.8's.

2.23 Mon Sep 29 05:08:29 CEST 2008
        - fix a compilation problem when perl is not using char * as, well,
          char *.
        - use PL_hexdigit in favour of rolling our own.

2.2222 Sun Jul 20 18:49:00 CEST 2008
        - same game again, broken 5.10 finds yet another assertion
          failure, and the workaround causes additional runtime warnings.
          Work around the next assertion AND the warning. 5.10 seriously
          needs to adjust it's attitude against working code.

2.222 Sat Jul 19 06:15:34 CEST 2008
        - you work around one -DDEBUGGING assertion bug in perl 5.10
          just to hit the next one. work around this one, too.

2.22 Tue Jul 15 13:26:51 CEST 2008
        - allow higher nesting levels in incremental parser.
        - error out earlier in some cases in the incremental parser
          (as suggested by Yuval Kogman).
        - improve incr-parser test (Yuval Kogman).

2.21 Tue Jun  3 08:43:23 CEST 2008
        - (hopefully) work around a perl 5.10 bug with -DDEBUGGING.
        - remove the experimental status of the incremental parser interface.
        - move =encoding around again, to avoid bugs with search.cpan.org.
          when can we finally have utf-8 in pod???
        - add ->incr_reset method.

2.2  Wed Apr 16 20:37:25 CEST 2008
        - lifted the log2 rounding restriction of max_depth and max_size.
        - make booleans mutable by creating a copy instead of handing out
          the same scalar (reported by pasha sadri).
        - added support for incremental json parsing (still EXPERIMENTAL).
        - implemented and added a json_xs command line utility that can convert
          from/to a number of serialisation formats - tell me if you need more.
        - implement allow_unknown/get_allow_unknown methods.
        - fixed documentation of max_depth w.r.t. higher and equal.
        - moved down =encoding directive a bit, too much breaks if it's the first
          pod directive :/.
        - removed documentation section on other modules, it became somewhat
          outdated and is nowadays mostly of historical interest.

2.1  Wed Mar 19 23:23:18 CET 2008
        - update documentation here and there: add a large section
          about utf8/latin1/ascii flags, add a security consideration
          and extend and clarify the JSON and YAML section.
        - medium speed enhancements when encoding/decoding non-ascii chars.
        - minor speedup in number encoding case.
        - extend and clarify the section on incompatibilities
          between YAML and JSON.
        - switch to static inline from just inline when using gcc.
        - add =encoding utf-8 to the manpage, now that perl 5.10 supports it.
        - fix some issues with UV to JSON conversion of unknown impact.
        - published the yahoo locals search result used in benchmarks as the
          original url changes so comparison is impossible.

2.01 Wed Dec  5 11:40:28 CET 2007
        - INCOMPATIBLE API CHANGE: to_json and from_json have been
          renamed to encode_json/decode_json for JSON.pm compatibility.
          The old functions croak and might be replaced by JSON.pm
          comaptible versions in some later release.

2.0  Tue Dec  4 11:30:46 CET 2007
        - this is supposed to be the first version of JSON::XS
          compatible with version 2.0+ of the JSON module.
          Using the JSON module as frontend to JSON::XS should be
          as fast as using JSON::XS directly, so consider using it
          instead.
        - added get_* methods for all "simple" options.
        - make JSON::XS subclassable.

1.53 Tue Nov 13 23:58:33 CET 2007
        - minor doc clarifications.
        - fixed many doc typos (patch by Thomas L. Shinnick).

1.52 Mon Oct 15 03:22:06 CEST 2007
        - remove =encoding pod directive again, it confuses too many pod
          parsers :/.

1.51 Sat Oct 13 03:55:56 CEST 2007
        - encode empty arrays/hashes in a compact way when pretty is enabled.
        - apparently JSON::XS was used to find some bugs in the
          JSON_checker testsuite, so add (the corrected) JSON_checker tests to
          the testsuite.
        - quite a bit of doc updates/extension.
        - require 5.8.2, as this seems to be the first unicode-stable version.

1.5  Tue Aug 28 04:05:38 CEST 2007
        - add support for tied hashes, based on ideas and testcase by
          Marcus Holland-Moritz.
        - implemented relaxed parsing mode where some extensions are being
          accepted. generation is still JSON-only.

1.44 Wed Aug 22 01:02:44 CEST 2007
        - very experimental process-emulation support, slowing everything down.
          the horribly broken perl threads are still not supported - YMMV.

1.43 Thu Jul 26 13:26:37 CEST 2007
        - convert big json numbers exclusively consisting of digits to NV
          only when there is no loss of precision, otherwise to string.

1.42 Tue Jul 24 00:51:18 CEST 2007
        - fix a crash caused by not handling missing array elements
          (report and testcase by Jay Kuri).

1.41 Tue Jul 10 18:21:44 CEST 2007
        - fix compilation with NDEBUG (assert side-effect),
          affects convert_blessed only.
        - fix a bug in decode filters calling ENTER; SAVETMPS;
          one time too often.
        - catch a typical error in TO_JSON methods.
        - antique-ised XS.xs again to work with outdated
          C compilers (windows...).

1.4  Mon Jul  2 10:06:30 CEST 2007
        - add convert_blessed setting.
        - encode did not catch all blessed objects, encoding their
          contents in most cases. This has been fixed by introducing
          the allow_blessed setting.
        - added filter_json_object and filter_json_single_key_object
          settings that specify a callback to be called when
          all/specific json objects are encountered.
        - assume that most object keys are simple ascii words and
          optimise this case, penalising the general case. This can
          speed up decoding by 30% in typical cases and gives
          a smaller and faster perl hash.
        - implemented simpleminded, optional resource size checking
          in decode_json.
        - remove objToJson/jsonToObj aliases, as the next version
          of JSON will not have them either.
        - bit the bullet and converted the very simple json object
          into a more complex one.
        - work around a bug where perl wrongly claims an integer
          is not an integer.
        - unbundle JSON::XS::Boolean into own pm file so Storable
          and similar modules can resolve the overloading when thawing.

1.3  Sun Jun 24 01:55:02 CEST 2007
        - make JSON::XS::true and false special overloaded objects
          and return those instead of 1 and 0 for those json atoms
          (JSON::PP compatibility is NOT achieved yet).
        - add JSON::XS::is_bool predicate to test for those special
          values.
        - add a reference to
          http://jpsykes.com/47/practical-csrf-and-json-security.
        - removed require 5.8.8 again, it is just not very expert-friendly.
          Also try to be more compatible with slightly older versions,
          which are not recommended (because they are buggy).

1.24 Mon Jun 11 05:40:49 CEST 2007
        - added informative section on JSON-as-YAML.
        - get rid of some c99-isms again.
        - localise dec->cur in decode_str, speeding up
          string decoding considerably (>15% on my amd64 + gcc).
        - increased SHORT_STRING_LEN to 16kb: stack space is
          usually plenty, and this actually saves memory
          when !shrinking as short strings will fit perfectly.

1.23 Wed Jun  6 20:13:06 CEST 2007
        - greatly improved small integer encoding and decoding speed.
        - implement a number of µ-optimisations.
        - updated benchmarks.

1.22 Thu May 24 00:07:25 CEST 2007
        - require 5.8.8 explicitly as older perls do not seem to offer
          the required macros.
        - possibly made it compile on so-called C compilers by microsoft.

1.21 Wed May  9 18:40:32 CEST 2007
        - character offset reported for trailing garbage was random.

1.2  Wed May  9 18:35:01 CEST 2007
        - decode did not work with magical scalars (doh!).
        - added latin1 flag to produce JSON texts in the latin1 subset
          of unicode.
        - flag trailing garbage as error.
        - new decode_prefix method that returns the number
          of characters consumed by a decode.
        - max octets/char in perls UTF-X is actually 13, not 11,
          as pointed out by Glenn Linderman.
        - fixed typoe reported by YAMASHINA Hio.

1.11 Mon Apr  9 07:05:49 CEST 2007
        - properly 0-terminate sv's returned by encode to help
          C libraries that expect that 0 to be there.
        - partially "port" JSON from C to microsofts fucking broken
          pseudo-C. They should be burned to the ground for pissing
          on standards. And I should be stoned for even trying to
          support this filthy excuse for a c compiler.

1.1  Wed Apr  4 01:45:00 CEST 2007
        - clarify documentation (pointed out by Quinn Weaver).
        - decode_utf8 sometimes did not correctly flag errors,
          leading to segfaults.
        - further reduced default nesting depth to 512 due to the test
          failure by that anonymous "chris" whose e-mail address seems
          to be impossible to get. Tests on other freebsd systems indicate
          that this is likely a problem in his/her configuration and not this
          module.
        - renamed json => JSON in error messages.
        - corrected the character offset in some error messages.

1.01 Sat Mar 31 16:15:40 CEST 2007
        - do not segfault when from_json/decode gets passed
          a non-string object (reported by Florian Ragwitz).
          This has no effect on normal operation.

1.0  Thu Mar 29 04:43:34 CEST 2007
        - the long awaited (by me) 1.0 version.
        - add \0 (JSON::XS::false) and \1 (JSON::XS::true) mappings to JSON
          true and false.
        - add some more notes to shrink, as suggested by Alex Efros.
        - improve testsuite.
        - halve the default nesting depth limit, to hopefully make it
          work on Freebsd (unfortunately, the cpan tester did not
          send me his report, so I cannot ask about the stack limit on fbsd).

0.8  Mon Mar 26 00:10:48 CEST 2007
        - fix a memleak when decoding hashes.
        - export jsonToBj and objToJson as aliases
          to to_json and from_json, to reduce incompatibilities
          between JSON/JSON::PC and JSON::XS. (experimental).
        - implement a maximum nesting depth for both en- and de-coding.
        - added a security considerations sections.

0.7  Sun Mar 25 01:46:30 CET 2007
        - code cleanup.
        - fix a memory overflow bug when indenting.
        - pretty-printing now up to 15% faster.
        - improve decoding speed of strings by
          up to 50% by specialcasing short strings.
        - further decoding speedups for strings using
          lots of \u escapes.
        - improve utf8 decoding speed for U+80 .. U+7FF.

0.5  Sat Mar 24 20:41:51 CET 2007
        - added the UTF-16 encoding example hinted at in previous
          versions.
        - minor documentation fixes.
        - fix a bug in and optimise canonicalising fastpath
          (reported by Craig Manley).
        - remove a subtest that breaks with bleadperl (reported
          by Andreas König).

0.31 Sat Mar 24 02:14:34 CET 2007
        - documentation updates.
        - do some casting to hopefully fix Andreas' problem.
        - nuke bogus json rpc stuff.

0.3  Fri Mar 23 19:33:21 CET 2007
        - remove spurious PApp::Util reference (John McNamara).
        - adapted lots of tests from other json modules
          (idea by Chris Carline).
        - documented mapping from json to perl and vice versa.
        - improved the documentation by adding more examples.
        - added short escaping forms, reducing the created
          json texts a bit.
        - added shrink flag.
        - when flag methods are called without enable argument
          they will by default enable their flag.
        - considerably improved string encoding speed (at least
          with gcc 4).
        - added a test that covers lots of different characters.
        - clarified some error messages.
        - error messages now use correct character offset
          with F_UTF8.
        - improve the "no bytes" and "no warnings" hacks in
          case the called functions do... stuff.
        - croak when encoding to ascii and an out-of-range
          (non-unicode) codepoint is encountered.

0.2  Fri Mar 23 00:23:34 CET 2007
        - the "could not sleep without debugging release".
          it should basically work now, with many bugs as
          no production tests have been run yet.
        - added more testcases.
        - the expected shitload of bugfixes.
        - handle utf8 flag correctly in decode.
        - fix segfault in decoder.
        - utf8n_to_uvuni sets retlen to -1, but retlen is an
          unsigned types (argh).
        - fix decoding of utf-8 strings.
        - improved error diagnostics.
        - fix decoding of 'null'.
        - fix parsing of empty array/hashes
        - silence warnings when we prepare the croak message.

0.1   Thu Mar 22 22:13:43 CET 2007
        - first release, very untested, basically just to claim
          the namespace.
 
0.01  Thu Mar 22 06:08:12 CET 2007
        - original version; cloned from Convert-Scalar

Revision:	1.166
Committed:	Mon Nov 24 18:42:51 2014 UTC (9 years, 5 months ago) by root
Branch:	MAIN
Changes since 1.165:	+3 -0 lines
Log Message:	* empty log message *
#	User	Rev	Content
1	root	1.1	Revision history for Perl extension JSON::XS
2	root	1.2
3	root	1.147	TODO: maybe detetc and croak on more invalid inputs (e.g. +-inf/nan)
4	root	1.151	TODO: maybe avoid the reblessing and better support readonly objects.
5	root	1.153	TODO: http://stevehanov.ca/blog/index.php?id=104 compression
6	root	1.151
7	root	1.163	TODO: how to cope with tagged values and standard json decoders
8	root	1.164	TODO: work around <=5.16 bugs (Reini Urban)
9	root	1.165	TODO: decide what to do with RFC7158 incompatibilities.
10	root	1.166	- allow literal tabs in strings in relaxed mode (patch by
11			lubo.rintel@gooddata.com).
12
13	root	1.162	3.01 Tue Oct 29 16:55:15 CET 2013
14			- backport to perls < 5.18 (reported by Paul Howarth).
15
16	root	1.161	3.0 Tue Oct 29 01:35:37 CET 2013
17			- implemented an object tagging extension (using the
18	root	1.159	Types::Serialiser serialisation protocol).
19			- reworked the documentation regarding object serialisation,
20	root	1.165	add a new OBJECT SERIALISATION section that explains th
21	root	1.159	whole process.
22	root	1.160	- new setting: allow_tags.
23	root	1.158	- switch to Types::Serialiser booleans.
24	root	1.156	- remove to_json/from_json.
25	root	1.159	- other minor improvements to the documentation.
26	root	1.156
27	root	1.155	2.34 Thu May 23 11:30:34 CEST 2013
28			- work around bugs in perl 5.18 breaking more than 100
29			widely used modules, without a fix in sight because
30			p5pers don't care about CPAN anymore.
31	root	1.154	- when canonicalising, only allocate up to 64 hash key
32			pointers on the stack. for larger hashes, use the heap,
33			to avoid using too much stackspace.
34	root	1.155	- discuss the problem with setlocale (reported by a few victims).
35	root	1.154
36	root	1.153	2.33 Wed Aug 1 21:03:52 CEST 2012
37			- internal encode/decode XS wrappers did not expect stack
38			moves caused by callbacks (analyzed and testcase by Jesse Luehrs).
39	root	1.151	- add bencode as to/from option in bin/json_xs.
40	root	1.152	- add -e option to json_xs, and none and string in/out formats.
41	root	1.147
42	root	1.150	2.32 Thu Aug 11 19:06:38 CEST 2011
43			- fix a bug in the initial whitespace accumulation.
44
45	root	1.149	2.31 Wed Jul 27 17:53:05 CEST 2011
46	root	1.153	- don't accumulate initial whitespace in the incremental buffer
47	root	1.149	(this can be useful to allow whitespace-keepalive on a tcp
48			connection without triggering the max_size limit).
49	root	1.148	- properly croak on some invalid inputs that are not strings
50			(e.g. undef) when trying to decode a json text (reported
51			and analyzed by Goro Fuji).
52
53	root	1.146	2.3 Wed Aug 18 01:26:47 CEST 2010
54			- make sure decoder doesn't change the decoding in the incremental
55			parser (testcase provided by Hendrik Schumacher).
56	root	1.144	- applied patch by DaTa for Data::Dumper support in json_xs.
57	root	1.145	- added -t dump support to json_xs, using Data::Dump.
58	root	1.146	- added -f eval support to json_xs.
59	root	1.144
60	root	1.143	2.29 Wed Mar 17 02:39:12 CET 2010
61			- fix a memory leak when callbacks set using filter_json_object
62			or filter_json_single_key_object were called (great testcase
63			by Eric Wilhelm).
64
65	root	1.142	2.28 Thu Mar 11 20:30:46 CET 2010
66	root	1.139	- implement our own atof function - perl's can be orders of
67			magnitudes slower than even the system one. on the positive
68			side, ours seems to be more exact in general than perl's.
69			(testcase provided by Tim Meadowcroft).
70	root	1.142	- clarify floating point conversion issues a bit.
71	root	1.138	- update jpsykes csrf article url.
72	root	1.140	- updated benchmark section - JSON::PP became much faster!
73	root	1.138
74	root	1.137	2.27 Thu Jan 7 07:35:08 CET 2010
75	root	1.136	- support relaxed option inside the incremental parser
76	root	1.137	(testcase provided by IKEGAMI via Makamaka).
77	root	1.136
78	root	1.135	2.26 Sat Oct 10 03:26:19 CEST 2009
79			- big integers could become truncated (based on patch
80			by Strobl Anton).
81	root	1.134	- output format change: indent now adds a final newline, which is
82			more expected and more true to the documentation.
83	root	1.132
84	root	1.131	2.25 Sat Aug 8 12:04:41 CEST 2009
85			- the perl debugger completely breaks lvalue subs - try to work
86			around the issue.
87	root	1.130	- ignore RMAGICAL hashes w.r.t. CANONICAL.
88	root	1.128	- try to work around a possible char signedness issue on aix.
89	root	1.129	- require common sense.
90	root	1.128
91	root	1.127	2.24 Sat May 30 08:25:45 CEST 2009
92			- the incremental parser did not update its parse offset
93			pointer correctly when parsing utf8-strings (nicely
94			debugged by Martin Evans).
95			- appending a non-utf8-string to the incremental parser
96			in utf8 mode failed to upgrade the string.
97			- wording of parse error messages has been improved.
98
99	root	1.126	2.232 Sun Feb 22 11:12:25 CET 2009
100	root	1.125	- use an exponential algorithm to extend strings, to
101	root	1.126	help platforms with bad or abysmal==windows memory
102			allocater performance, at the expense of some memory
103	root	1.125	wastage (use shrink to recover this extra memory).
104			(nicely analysed by Dmitry Karasik).
105
106	root	1.124	2.2311 Thu Feb 19 02:12:54 CET 2009
107	root	1.123	- add a section "JSON and ECMAscript" to explain some
108			incompatibilities between the two (problem was noted by
109			various people).
110	root	1.122	- add t/20_faihu.t.
111
112	root	1.121	2.231 Thu Nov 20 04:59:08 CET 2008
113			- work around 5.10.0 magic bugs where manipulating magic values
114			(such as $1) would permanently damage them as perl would
115			ignore the magicalness, by making a full copy of the string,
116			reported by Dmitry Karasik.
117	root	1.125	- work around spurious warnings under older perl 5.8's.
118	root	1.121
119	root	1.120	2.23 Mon Sep 29 05:08:29 CEST 2008
120			- fix a compilation problem when perl is not using char * as, well,
121			char *.
122	root	1.119	- use PL_hexdigit in favour of rolling our own.
123
124	root	1.118	2.2222 Sun Jul 20 18:49:00 CEST 2008
125			- same game again, broken 5.10 finds yet another assertion
126			failure, and the workaround causes additional runtime warnings.
127			Work around the next assertion AND the warning. 5.10 seriously
128			needs to adjust it's attitude against working code.
129
130	root	1.117	2.222 Sat Jul 19 06:15:34 CEST 2008
131			- you work around one -DDEBUGGING assertion bug in perl 5.10
132			just to hit the next one. work around this one, too.
133
134	root	1.116	2.22 Tue Jul 15 13:26:51 CEST 2008
135	root	1.115	- allow higher nesting levels in incremental parser.
136			- error out earlier in some cases in the incremental parser
137			(as suggested by Yuval Kogman).
138			- improve incr-parser test (Yuval Kogman).
139
140	root	1.114	2.21 Tue Jun 3 08:43:23 CEST 2008
141			- (hopefully) work around a perl 5.10 bug with -DDEBUGGING.
142	root	1.112	- remove the experimental status of the incremental parser interface.
143	root	1.111	- move =encoding around again, to avoid bugs with search.cpan.org.
144			when can we finally have utf-8 in pod???
145	root	1.113	- add ->incr_reset method.
146	root	1.111
147	root	1.110	2.2 Wed Apr 16 20:37:25 CEST 2008
148	root	1.109	- lifted the log2 rounding restriction of max_depth and max_size.
149	root	1.107	- make booleans mutable by creating a copy instead of handing out
150			the same scalar (reported by pasha sadri).
151	root	1.164	- added support for incremental json parsing (still EXPERIMENTAL).
152	root	1.103	- implemented and added a json_xs command line utility that can convert
153			from/to a number of serialisation formats - tell me if you need more.
154	root	1.108	- implement allow_unknown/get_allow_unknown methods.
155	root	1.109	- fixed documentation of max_depth w.r.t. higher and equal.
156	root	1.112	- moved down =encoding directive a bit, too much breaks if it's the first
157	root	1.102	pod directive :/.
158	root	1.106	- removed documentation section on other modules, it became somewhat
159			outdated and is nowadays mostly of historical interest.
160	root	1.102
161	root	1.101	2.1 Wed Mar 19 23:23:18 CET 2008
162			- update documentation here and there: add a large section
163			about utf8/latin1/ascii flags, add a security consideration
164			and extend and clarify the JSON and YAML section.
165	root	1.98	- medium speed enhancements when encoding/decoding non-ascii chars.
166	root	1.100	- minor speedup in number encoding case.
167	root	1.92	- extend and clarify the section on incompatibilities
168			between YAML and JSON.
169	root	1.95	- switch to static inline from just inline when using gcc.
170	root	1.94	- add =encoding utf-8 to the manpage, now that perl 5.10 supports it.
171	root	1.100	- fix some issues with UV to JSON conversion of unknown impact.
172	root	1.99	- published the yahoo locals search result used in benchmarks as the
173			original url changes so comparison is impossible.
174	root	1.92
175	root	1.91	2.01 Wed Dec 5 11:40:28 CET 2007
176			- INCOMPATIBLE API CHANGE: to_json and from_json have been
177			renamed to encode_json/decode_json for JSON.pm compatibility.
178			The old functions croak and might be replaced by JSON.pm
179			comaptible versions in some later release.
180
181	root	1.90	2.0 Tue Dec 4 11:30:46 CET 2007
182			- this is supposed to be the first version of JSON::XS
183			compatible with version 2.0+ of the JSON module.
184			Using the JSON module as frontend to JSON::XS should be
185			as fast as using JSON::XS directly, so consider using it
186			instead.
187	root	1.88	- added get_* methods for all "simple" options.
188	root	1.89	- make JSON::XS subclassable.
189	root	1.88
190	root	1.86	1.53 Tue Nov 13 23:58:33 CET 2007
191	root	1.85	- minor doc clarifications.
192			- fixed many doc typos (patch by Thomas L. Shinnick).
193
194	root	1.84	1.52 Mon Oct 15 03:22:06 CEST 2007
195	root	1.83	- remove =encoding pod directive again, it confuses too many pod
196			parsers :/.
197
198	root	1.82	1.51 Sat Oct 13 03:55:56 CEST 2007
199	root	1.81	- encode empty arrays/hashes in a compact way when pretty is enabled.
200	root	1.87	- apparently JSON::XS was used to find some bugs in the
201	root	1.80	JSON_checker testsuite, so add (the corrected) JSON_checker tests to
202			the testsuite.
203			- quite a bit of doc updates/extension.
204	root	1.79	- require 5.8.2, as this seems to be the first unicode-stable version.
205	root	1.78
206	root	1.77	1.5 Tue Aug 28 04:05:38 CEST 2007
207	root	1.74	- add support for tied hashes, based on ideas and testcase by
208			Marcus Holland-Moritz.
209	root	1.75	- implemented relaxed parsing mode where some extensions are being
210			accepted. generation is still JSON-only.
211	root	1.74
212			1.44 Wed Aug 22 01:02:44 CEST 2007
213	root	1.73	- very experimental process-emulation support, slowing everything down.
214			the horribly broken perl threads are still not supported - YMMV.
215
216	root	1.72	1.43 Thu Jul 26 13:26:37 CEST 2007
217			- convert big json numbers exclusively consisting of digits to NV
218			only when there is no loss of precision, otherwise to string.
219
220	root	1.71	1.42 Tue Jul 24 00:51:18 CEST 2007
221			- fix a crash caused by not handling missing array elements
222			(report and testcase by Jay Kuri).
223
224	root	1.70	1.41 Tue Jul 10 18:21:44 CEST 2007
225			- fix compilation with NDEBUG (assert side-effect),
226			affects convert_blessed only.
227	root	1.69	- fix a bug in decode filters calling ENTER; SAVETMPS;
228			one time too often.
229	root	1.70	- catch a typical error in TO_JSON methods.
230	root	1.69	- antique-ised XS.xs again to work with outdated
231			C compilers (windows...).
232
233	root	1.68	1.4 Mon Jul 2 10:06:30 CEST 2007
234	root	1.63	- add convert_blessed setting.
235	root	1.56	- encode did not catch all blessed objects, encoding their
236			contents in most cases. This has been fixed by introducing
237			the allow_blessed setting.
238	root	1.65	- added filter_json_object and filter_json_single_key_object
239			settings that specify a callback to be called when
240	root	1.67	all/specific json objects are encountered.
241	root	1.59	- assume that most object keys are simple ascii words and
242			optimise this case, penalising the general case. This can
243			speed up decoding by 30% in typical cases and gives
244			a smaller and faster perl hash.
245	root	1.58	- implemented simpleminded, optional resource size checking
246			in decode_json.
247	root	1.61	- remove objToJson/jsonToObj aliases, as the next version
248			of JSON will not have them either.
249	root	1.62	- bit the bullet and converted the very simple json object
250			into a more complex one.
251	root	1.64	- work around a bug where perl wrongly claims an integer
252			is not an integer.
253	root	1.65	- unbundle JSON::XS::Boolean into own pm file so Storable
254			and similar modules can resolve the overloading when thawing.
255	root	1.56
256	root	1.55	1.3 Sun Jun 24 01:55:02 CEST 2007
257	root	1.54	- make JSON::XS::true and false special overloaded objects
258			and return those instead of 1 and 0 for those json atoms
259			(JSON::PP compatibility is NOT achieved yet).
260			- add JSON::XS::is_bool predicate to test for those special
261			values.
262	root	1.52	- add a reference to
263			http://jpsykes.com/47/practical-csrf-and-json-security.
264	root	1.60	- removed require 5.8.8 again, it is just not very expert-friendly.
265			Also try to be more compatible with slightly older versions,
266	root	1.54	which are not recommended (because they are buggy).
267	root	1.52
268	root	1.51	1.24 Mon Jun 11 05:40:49 CEST 2007
269	root	1.49	- added informative section on JSON-as-YAML.
270	root	1.51	- get rid of some c99-isms again.
271	root	1.50	- localise dec->cur in decode_str, speeding up
272			string decoding considerably (>15% on my amd64 + gcc).
273			- increased SHORT_STRING_LEN to 16kb: stack space is
274			usually plenty, and this actually saves memory
275	root	1.51	when !shrinking as short strings will fit perfectly.
276	root	1.49
277	root	1.47	1.23 Wed Jun 6 20:13:06 CEST 2007
278	root	1.46	- greatly improved small integer encoding and decoding speed.
279			- implement a number of µ-optimisations.
280	root	1.47	- updated benchmarks.
281	root	1.46
282	root	1.45	1.22 Thu May 24 00:07:25 CEST 2007
283	root	1.42	- require 5.8.8 explicitly as older perls do not seem to offer
284			the required macros.
285	root	1.43	- possibly made it compile on so-called C compilers by microsoft.
286	root	1.42
287	root	1.41	1.21 Wed May 9 18:40:32 CEST 2007
288	root	1.47	- character offset reported for trailing garbage was random.
289	root	1.41
290	root	1.40	1.2 Wed May 9 18:35:01 CEST 2007
291			- decode did not work with magical scalars (doh!).
292	root	1.38	- added latin1 flag to produce JSON texts in the latin1 subset
293			of unicode.
294	root	1.39	- flag trailing garbage as error.
295			- new decode_prefix method that returns the number
296			of characters consumed by a decode.
297	root	1.40	- max octets/char in perls UTF-X is actually 13, not 11,
298			as pointed out by Glenn Linderman.
299			- fixed typoe reported by YAMASHINA Hio.
300	root	1.34
301	root	1.32	1.11 Mon Apr 9 07:05:49 CEST 2007
302			- properly 0-terminate sv's returned by encode to help
303			C libraries that expect that 0 to be there.
304	root	1.31	- partially "port" JSON from C to microsofts fucking broken
305			pseudo-C. They should be burned to the ground for pissing
306			on standards. And I should be stoned for even trying to
307	root	1.32	support this filthy excuse for a c compiler.
308	root	1.6
309	root	1.30	1.1 Wed Apr 4 01:45:00 CEST 2007
310	root	1.28	- clarify documentation (pointed out by Quinn Weaver).
311	root	1.29	- decode_utf8 sometimes did not correctly flag errors,
312			leading to segfaults.
313	root	1.30	- further reduced default nesting depth to 512 due to the test
314			failure by that anonymous "chris" whose e-mail address seems
315			to be impossible to get. Tests on other freebsd systems indicate
316			that this is likely a problem in his/her configuration and not this
317			module.
318			- renamed json => JSON in error messages.
319			- corrected the character offset in some error messages.
320	root	1.28
321	root	1.27	1.01 Sat Mar 31 16:15:40 CEST 2007
322			- do not segfault when from_json/decode gets passed
323			a non-string object (reported by Florian Ragwitz).
324			This has no effect on normal operation.
325
326	root	1.25	1.0 Thu Mar 29 04:43:34 CEST 2007
327			- the long awaited (by me) 1.0 version.
328			- add \0 (JSON::XS::false) and \1 (JSON::XS::true) mappings to JSON
329			true and false.
330	root	1.24	- add some more notes to shrink, as suggested by Alex Efros.
331	root	1.25	- improve testsuite.
332	root	1.26	- halve the default nesting depth limit, to hopefully make it
333	root	1.25	work on Freebsd (unfortunately, the cpan tester did not
334			send me his report, so I cannot ask about the stack limit on fbsd).
335	root	1.24
336	root	1.23	0.8 Mon Mar 26 00:10:48 CEST 2007
337	root	1.21	- fix a memleak when decoding hashes.
338	root	1.20	- export jsonToBj and objToJson as aliases
339			to to_json and from_json, to reduce incompatibilities
340			between JSON/JSON::PC and JSON::XS. (experimental).
341	root	1.21	- implement a maximum nesting depth for both en- and de-coding.
342			- added a security considerations sections.
343	root	1.20
344	root	1.19	0.7 Sun Mar 25 01:46:30 CET 2007
345	root	1.16	- code cleanup.
346			- fix a memory overflow bug when indenting.
347			- pretty-printing now up to 15% faster.
348			- improve decoding speed of strings by
349			up to 50% by specialcasing short strings.
350			- further decoding speedups for strings using
351			lots of \u escapes.
352	root	1.17	- improve utf8 decoding speed for U+80 .. U+7FF.
353	root	1.16
354	root	1.15	0.5 Sat Mar 24 20:41:51 CET 2007
355	root	1.14	- added the UTF-16 encoding example hinted at in previous
356			versions.
357			- minor documentation fixes.
358	root	1.15	- fix a bug in and optimise canonicalising fastpath
359			(reported by Craig Manley).
360			- remove a subtest that breaks with bleadperl (reported
361			by Andreas König).
362	root	1.14
363	root	1.13	0.31 Sat Mar 24 02:14:34 CET 2007
364	root	1.12	- documentation updates.
365	root	1.13	- do some casting to hopefully fix Andreas' problem.
366			- nuke bogus json rpc stuff.
367	root	1.12
368	root	1.11	0.3 Fri Mar 23 19:33:21 CET 2007
369	root	1.5	- remove spurious PApp::Util reference (John McNamara).
370			- adapted lots of tests from other json modules
371			(idea by Chris Carline).
372	root	1.9	- documented mapping from json to perl and vice versa.
373	root	1.11	- improved the documentation by adding more examples.
374	root	1.5	- added short escaping forms, reducing the created
375			json texts a bit.
376			- added shrink flag.
377			- when flag methods are called without enable argument
378			they will by default enable their flag.
379			- considerably improved string encoding speed (at least
380			with gcc 4).
381	root	1.7	- added a test that covers lots of different characters.
382			- clarified some error messages.
383			- error messages now use correct character offset
384			with F_UTF8.
385	root	1.8	- improve the "no bytes" and "no warnings" hacks in
386			case the called functions do... stuff.
387	root	1.9	- croak when encoding to ascii and an out-of-range
388			(non-unicode) codepoint is encountered.
389	root	1.4
390	root	1.3	0.2 Fri Mar 23 00:23:34 CET 2007
391	root	1.109	- the "could not sleep without debugging release".
392	root	1.3	it should basically work now, with many bugs as
393			no production tests have been run yet.
394			- added more testcases.
395			- the expected shitload of bugfixes.
396			- handle utf8 flag correctly in decode.
397			- fix segfault in decoder.
398			- utf8n_to_uvuni sets retlen to -1, but retlen is an
399			unsigned types (argh).
400			- fix decoding of utf-8 strings.
401			- improved error diagnostics.
402			- fix decoding of 'null'.
403			- fix parsing of empty array/hashes
404			- silence warnings when we prepare the croak message.
405
406	root	1.2	0.1 Thu Mar 22 22:13:43 CET 2007
407			- first release, very untested, basically just to claim
408			the namespace.
409	root	1.1
410			0.01 Thu Mar 22 06:08:12 CET 2007
411			- original version; cloned from Convert-Scalar
412