lsegal/yard — pull request #468 by kou (2012-01-21 04:18:35+00:00)
Title: fix %w() source in []/[]= parsed context. fixes #461

There is a problem in RipperParser. @map keeps needless :lbracket context. It breaks :array's source range. Needless :lbracket contexts should be dropped at :aref/:aref_field.