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archived-php-src/ext/mbstring/libmbfl
Alex Dowad 371367ce3e Reintroduce legacy 'SJIS-win' text encoding in mbstring
In e2459857af, I combined mbstring's "SJIS-win" text encoding
into CP932. This was done after doing some testing which appeared
to show that the mappings for "SJIS-win" were the same as those
for "CP932".

Later, it was found that there was actually a small difference
prior to e2459857af when converting Unicode to CP932. The
mappings for the following two codepoints were different:

        CP932  SJIS-win
U+203E  0x7E   0x81 0x50
U+00A5  0x5C   0x81 0x8F

As shown, mbstring's "CP932" mapped Unicode's 'OVERLINE' and
'YEN SIGN' to the ASCII bytes which have conflicting uses in
most legacy Japanese text encodings. "SJIS-win" mapped these
to equivalent JIS X 0208 fullwidth characters.

Since e2459867af was not intended to cause any user-visible
change in behavior, I am rolling back the merge of "CP932"
and "SJIS-win".

It seems doubtful whether these two text encodings should
be kept separate or merged in a future release. An extensive
discussion of the related historical background and
compatibility issues involved can be found in this
GitHub thread:

https://github.com/php/php-src/issues/8308
2022-08-16 20:18:54 +02:00
..
2019-05-11 19:47:54 +02:00

libmbfl

This is libmbfl, a streamable multibyte character code filter and converter library, written by Shigeru Kanemoto.

The original version of libmbfl is developed and distributed at https://github.com/moriyoshi/libmbfl under the LGPL 2.1 license. See the LICENSE file for licensing information.

The libmbfl library is bundled with PHP as a fork of the original repository and is not in sync with the upstream. As such, the libmbfl directory is directly modified in the php-src repository.

Changelog

October 2017

  • Since 2017, it is forked and bundled in the php-src repository. For the list of changes related to PHP see the PHP NEWS change logs.

Version 1.3.2 August 20, 2011

  • Added JISX-0213:2004 based encoding : Shift_JIS-2004, EUC-JP-2004, ISO-2022-JP-2004 (rui).
  • Added gb18030 encoding (rui).
  • Added CP950 with user user defined area based on Big5 (rui).
  • Added mapping for user defined character area to CP936 (rui).
  • Added UTF-8-Mobile to support the pictogram characters defined by mobile phone carrier in Japan (rui).

Version 1.3.1 August 5, 2011

  • Added check for invalid/obsolete utf-8 encoding (rui).

Version 1.3.0 August 1, 2011

  • Added encoding conversion between Shift_JIS and Unicode (6.0 or PUA) for pictogram characters defined by mobile phone carrier in Japan (rui).

    Detailed info

  • Fixed encoding conversion of cp5022x for user defined area (rui).

  • Added MacJapanese (SJIS-mac) for legacy encoding support (rui).

  • Backport from PHP 5.2 (rui).

Version 1.1.0 March 02, 2010

  • Added cp5022x encoding (moriyoshi)
  • Added ISO-2022-JP-MS (moriyoshi)
  • Moved to github.com from sourceforge.jp (moriyoshi)

Earlier versions

  • 1998/11/10 sgk implementation in C++
  • Rewriting with sgk C 1999/4/25.
  • 1999/4/26 Implemented sgk input filter. Add filter while estimating kanji code.
  • 1999/6 Unicode support.
  • 1999/6/22 Changed sgk license to LGPL.

Credits

Marcus Boerger helly@php.net Hayk Chamyan hamshen@gmail.com Wez Furlong wez@thebrainroom.com Rui Hirokawa hirokawa@php.net Shigeru Kanemoto sgk@happysize.co.jp U. Kenkichi kenkichi@axes.co.jp Moriyoshi Koizumi moriyoshi@php.net Hironori Sato satoh@jpnnet.com Tsukada Takuya tsukada@fminn.nagano.nagano.jp Tateyama tateyan@amy.hi-ho.ne.jp Den V. Tsopa tdv@edisoft.ru Maksym Veremeyenko verem@m1stereo.tv Haluk AKIN halukakin@gmail.com