Issue #3681 has been updated by Yui NARUSE.

Assigned to set to Yui NARUSE
ruby -v set to ruby 1.9.3dev (2010-08-17 trunk 29020) [x86_64-freebsd8.1]

I can reproduce this, I'll fix it.
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http://redmine.ruby-lang.org/issues/show/3681

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http://redmine.ruby-lang.org