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utf8proc release history

Version 2.9.0

2023-10-20

  • Unicode 15.1 support (#253).

Version 2.8.0

2022-10-30

  • Unicode 15 support (#247).

Version 2.7.0

2021-12-16

  • Unicode 14 support (#233).

  • Support GNUInstallDirs in CMake build (#159).

  • cmake build now installs pkg-config file (#224).

  • Various build and portability improvements.

Version 2.6.1

2020-12-15

  • Bugfix in utf8proc_grapheme_break_stateful for NULL state argument, which also broke utf8proc_grapheme_break.

Version 2.6

2020-11-23

  • New utf8proc_islower and utf8proc_isupper functions (#196).

  • Bugfix for manual calls to grapheme_break_extended for initial characters (#205).

  • Various build and portability improvements.

Version 2.5

2019-03-27

  • Unicode 13 support (#179).

  • No longer report zero width for category Sk (#167).

  • cmake support improvements (#173).

Version 2.4

2019-05-10

  • Unicode 12.1 support (#156).

  • New -DUTF8PROC_INSTALL=No option for cmake builds to disable installation (#152).

  • Better make support for HP-UX (#154).

  • Fixed incorrect UTF8PROC_VERSION_MINOR version number in header and bumped shared-library version.

Version 2.3

2019-03-30

  • Unicode 12 support (#148).

  • New function utf8proc_unicode_version to return the supported Unicode version (#151).

  • Simpler character-width computation that no longer uses GNU Unifont metrics: East-Asian wide characters have width 2, and all other printable characters have width 1 (#150).

  • Fix CHARBOUND option for utf8proc_map to preserve U+FFFE and U+FFFF non-characters (#149).

  • Various build-system improvements (#141, #142, #147).

Version 2.2

2018-07-24

  • Unicode 11 support (#132 and #140).

  • utf8proc_NFKC_Casefold convenience function for NFKC_Casefold normalization (#133).

  • UTF8PROC_STRIPNA option to strip unassigned codepoints (#133).

  • Support building static libraries on Windows (callers need to #define UTF8PROC_STATIC) (#123).

  • cmake fix to avoid defining UTF8PROC_EXPORTS globally (#121).

  • toupper of ß (U+00df) now yields ẞ (U+1E9E) (#134), similar to musl; case-folding still yields the standard "ss" mapping.

  • utf8proc_charwidth now returns 1 for U+00AD (soft hyphen) and for unassigned/PUA codepoints (#135).

Version 2.1.1

2018-04-27

Version 2.1

2016-12-26:

  • New functions utf8proc_map_custom and utf8proc_decompose_custom to allow user-supplied transformations of codepoints, in conjunction with other transformations (#89).

  • New function utf8proc_normalize_utf32 to apply normalizations directly to UTF-32 data (not just UTF-8) (#88).

  • Fixed stack overflow that could occur due to incorrect definition of UINT16_MAX with some compilers (#84).

  • Fixed conflict with stdbool.h in Visual Studio (#90).

  • Updated font metrics to use Unifont 9.0.04.

Version 2.0.2

2016-07-27:

  • Move -Wmissing-prototypes warning flag from Makefile to .travis.yml since MSVC does not understand this flag and it is occasionally useful to build using MSVC through the Makefile (#79).

  • Use a different variable name for a nested loop in bench/bench.c, and declare it in a C89 way rather than inside the for to avoid "error: 'for' loop initial declarations are only allowed in C99 mode" (#80).

Version 2.0.1

2016-07-13:

  • Bug fix in utf8proc_grapheme_break_stateful (#77).

  • Tests now use versioned Unicode files, so they will no longer break when a new version of Unicode is released (#78).

Version 2.0

2016-07-13:

  • Updated for Unicode 9.0 (#70).

  • New utf8proc_grapheme_break_stateful to handle the complicated grapheme-breaking rules in Unicode 9. The old utf8proc_grapheme_break is still provided, but may incorrectly identify grapheme breaks in some Unicode-9 sequences.

  • Smaller Unicode tables (#62, #68). This required changes in the utf8proc_property_t structure, which breaks backward compatibility if you access this struct directly. The functions in the API remain backward-compatible, however.

  • Buffer overrun fix (#66).

Version 1.3.1

2015-11-02:

  • Do not export symbol for internal function unsafe_encode_char() (#55).

  • Install relative symbolic links for shared libraries (#58).

  • Enable and fix compiler warnings (#55, #58).

  • Add missing files to make clean (#58).

Version 1.3

2015-07-06:

  • Updated for Unicode 8.0 (#45).

  • New utf8proc_tolower and utf8proc_toupper functions, portable replacements for towlower and towupper in the C library (#40).

  • Don't treat Unicode "non-characters" as invalid, and improved validity checking in general (#35).

  • Prefix all typedefs with utf8proc_, e.g. utf8proc_int32_t, to avoid collisions with other libraries (#32).

  • Rename DLLEXPORT to UTF8PROC_DLLEXPORT to prevent collisions.

  • Fix build breakage in the benchmark routines.

  • More fine-grained Makefile variables (PICFLAG etcetera), so that compilation flags can be selectively overridden, and in particular so that CFLAGS can be changed without accidentally eliminating necessary flags like -fPIC and -std=c99 (#43).

  • Updated character-width tables based on Unifont 8.0.01 (#51) and the Unicode 8 character categories (#47).

Version 1.2

2015-03-28:

  • Updated for Unicode 7.0 (#6).

  • New function utf8proc_grapheme_break(c1,c2) that returns whether there is a grapheme break between c1 and c2 (#20).

  • New function utf8proc_charwidth(c) that returns the number of column-positions that should be required for c; essentially a portable replacment for wcwidth(c) (#27).

  • New function utf8proc_category(c) that returns the Unicode category of c (as one of the constants UTF8PROC_CATEGORY_xx). Also, a function utf8proc_category_string(c) that returns the Unicode category of c as a two-character string.

  • cmake script CMakeLists.txt, in addition to Makefile, for easier compilation on Windows (#28).

  • Various Makefile improvements: a make check target to perform tests (#13), make install, a rule to automate updating the Unicode tables, etcetera.

  • The shared library is now versioned (e.g. has a soname on GNU/Linux) (#24).

  • C++/MSVC compatibility (#17).

  • Most #defined constants are now enums (#29).

  • New preprocessor constants UTF8PROC_VERSION_MAJOR, UTF8PROC_VERSION_MINOR, and UTF8PROC_VERSION_PATCH for compile-time detection of the API version.

  • Doxygen-formatted documentation (#29).

  • The Ruby and PostgreSQL plugins have been removed due to lack of testing (#22).

Version 1.1.6

2013-11-27:

  • PostgreSQL 9.2 and 9.3 compatibility (lowercase c language name)

Version 1.1.5

2009-08-20:

  • Use RSTRING_PTR() and RSTRING_LEN() instead of RSTRING()->ptr and RSTRING()->len for ruby1.9 compatibility (and #define them, if not existent)

2009-10-02:

  • Patches for compatibility with Microsoft Visual Studio

2009-10-08:

  • Fixes to make utf8proc usable in C++ programs

2009-10-16:

Version 1.1.4

2009-06-14:

  • replaced C++ style comments for compatibility reasons
  • added typecasts to suppress compiler warnings
  • removed redundant source files for ruby-gemfile generation

2009-08-19:

  • Changed copyright notice for Public Software Group e. V.
  • Minor changes in the README file

Version 1.1.3

2008-10-04:

  • Added a function utf8proc_version returning a string containing the version number of the library.
  • Included a target libutf8proc.dylib for MacOSX.

2009-05-01:

  • PostgreSQL 8.3 compatibility (use of SET_VARSIZE macro)

Version 1.1.2

2007-07-25:

  • Fixed a serious bug in the data file generator, which caused characters being treated incorrectly, when stripping default ignorable characters or calculating grapheme cluster boundaries.

Version 1.1.1

2007-06-25:

  • Added a new PostgreSQL function unistrip, which behaves like unifold, but also removes all character marks (e.g. accents).

2007-07-22:

  • Changed license from BSD to MIT style.
  • Added a new function utf8proc_codepoint_valid to the C library.
  • Changed compiler flags in Makefile from -g -O0 to -O2
  • The ruby script, which was used to build the utf8proc_data.c file, is now included in the distribution.

Version 1.0.3

2007-03-16:

  • Fixed a bug in the ruby library, which caused an error, when splitting an empty string at grapheme cluster boundaries (method String#utf8chars).

Version 1.0.2

2006-09-21:

  • included a check in Integer#utf8, which raises an exception, if the given code-point is invalid because of being too high (this was missing yet)

2006-12-26:

  • added support for PostgreSQL version 8.2

Version 1.0.1

2006-09-20:

  • included a gem file for the ruby version of the library

Release of version 1.0.1

Version 1.0

2006-09-17:

  • added the LUMP option, which lumps certain characters together (see lump.md) (also used for the PostgreSQL unifold function)
  • added the STRIPMARK option, which strips marking characters (or marks of composed characters)
  • deprecated ruby method String#char_ary in favour of String#utf8chars

Version 0.3

2006-07-18:

  • changed normalization from NFC to NFKC for postgresql unifold function

2006-08-04:

  • added support to mark the beginning of a grapheme cluster with 0xFF (option: CHARBOUND)
  • added the ruby method String#chars, which is returning an array of UTF-8 encoded grapheme clusters
  • added NLF2LF transformation in postgresql unifold function
  • added the DECOMPOSE option, if you neither use COMPOSE or DECOMPOSE, no normalization will be performed (different from previous versions)
  • using integer constants rather than C-strings for character properties
  • fixed (hopefully) a problem with the ruby library on Mac OS X, which occurred when compiler optimization was switched on

Version 0.2

2006-06-05:

  • changed behaviour of PostgreSQL function to return NULL in case of invalid input, rather than raising an exceptional condition
  • improved efficiency of PostgreSQL function (no transformation to C string is done)

2006-06-20:

  • added -fpic compiler flag in Makefile
  • fixed bug in the C code for the ruby library (usage of non-existent function)

Version 0.1

2006-06-02: initial release of version 0.1