1.8.1	Mon Oct 11 2010
	* update Unicode data to version 6.0.0.
	* update config.sub & config.guess.
	* renamed: include/linebreak_defs.h, libinebreak.
	* added linebreak.spec.in.
	* removed autogen.sh, linebreak_constants.h.in.
	* added Makefile's for MinGW (testing).
	* Chg: added linebreak_propvals_?? variables to tell application layer
	  possible property values.

1.5	Wed Dec 30 2009
	* gcstring_t: added new member elbc to describe non-CM LBC at
	  after-side of grapheme cluster.
	* Chg: On <Prepend X>, set LBC of prepend character to lbc member
	  and LBC of X to elbc member.
	* Use compact array instead of hash table.
	* update config.sub/config.guess to support Dragonfly etc.
	* patched config.sub/config.guess to support MidnightBSD.

1.4.p1  Thu Oct 29 2009
	* southeastasian.c: Added assert() to check broken libthai.
	* Fix: break.c: NULL arguments for _sizing() and _urgent_break() may
	  cause segfault in user-defined functions.
	* Supports pkg-config.
	* Added documentations.

1.4  Sun Oct 18 2009
	* Fix: break.c: Custom function won't be used when user data is NULL.
	* Imp: linebreak_charprop(): Complement GCB property for characters
	  with tailored LB property.
	* Fix: gcstring_new(): Too large memory allocation.
	* New: gcstring_newcopy().

1.3  Thu Oct 15 2009
	* Fix: linebreak_break_partial(): Memory leak saving status.
	* Fix: linebreak_break_partial(): Fix state transition.
	* Fix: gcstring_cmp(): Case of comparison with zero length string.
	* New: linebreak_break() and linebreak_break_fast().  Latter consumes
	  heap size proportional to length of input.  linebreak_break() is
	  highly recommended.
	* Chg: linebreak_break*() get unistr_t * input then return unistr_t *.
	* break.c: Cleanup codes.
