git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_9_2@30128 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
merges r29544 from trunk into ruby_1_9_2.¶
patched by Erik Hollensbe [ruby-dev:42260] #3830
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_9_2@30128 b2dd03c8-39d4-4d8f-98ff-823fe69b080e