=== 2.3.1 / 2011-09-21
* 2 bug fixes:
* Fixed line numbers at end of special var+whitespace (larsch)
* Holy crap I was smokin' something good... Fixed 1.9.3 warning
=== 2.3.0 / 2011-09-06
* 2 minor enhancements:
* Add -g flag to parser compile if DEBUG
* Lexer now embeds line number in yacc_value for keywords, helping fix up line numbers
* 3 bug fixes:
* Fix method line numbers when no args and no parens (quix)
* Fixed line numbers on return/break/next w/ result expr. (pjnz)
* Fixed some lexing state in order to parse: 'f (1), 2' as 'f(1, 2)'. (invernizzi)
=== 2.2.0 / 2011-08-23
* 2 minor enhancements:
* Moved Keyword, Environment, and StackState inside of RubyParser
* Added proper dsym and dsym->sym support.
* 3 bug fixes:
* Added extra (failing) tests for call/iter line number checking (quix)
* Fixed line numbers for certain call/iter edge cases
* Fixed parsing of: alias :"<<" :">>".
=== 2.1.0 / 2011-08-15
* 2 minor enhancements:
* Added new accessor canonicalize_conditions to toggle conditional canonicalization (on by default). (confused)
* Awesome cleanup: Replaced call to append_block by block_append. (Confusion)
* 2 bug fixes:
* Fixed handling last line of =begin/=end. (raybaxter)
* Fixed source line numbers after heredocs. (jbarreneche)
* Use lang/ruby/gem.mk instead of misc/rubygems/rubygem.mk.
* Remove default value of GEM_BUILD.
=== 2.0.5 / 2010-09-01
* 1 minor enhancement:
* Started merging like lexical cases to try to squeeze some optimization out