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merges r30805 and r30809 from trunk into ruby_1_9_2. fixes #4365¶

• parse.y (words, qwords): dispatch array events. based on a
  patch from Michael Edgar. [Bug #4365].

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_9_2@31510 b2dd03c8-39d4-4d8f-98ff-823fe69b080e