git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_9_2@29568 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
merges r29140 and r29141 from trunk into ruby_1_9_2.¶
name signleton class. [Bug #3759], [ruby-dev:42154]
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include assignment. [Bug #3759], [ruby-dev:42154]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_9_2@29568 b2dd03c8-39d4-4d8f-98ff-823fe69b080e