Can't use singlebyte optimization when the replacement is multibyte. [ruby-core:24612]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_9_1@24457 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
merges r24342 and r24348 from trunk into ruby_1_9_1.¶
Can't use singlebyte optimization when the replacement is multibyte. [ruby-core:24612]
the replacement is multibyte. [ruby-core:24612]
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git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_9_1@24457 b2dd03c8-39d4-4d8f-98ff-823fe69b080e