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+# libutf8proc release history #
+
+No releases so far.
+
+# utf8proc release history #
+
+## 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.txt`) (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 occured 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
+