Issue #1295 has been updated by Shyouhei Urabe.

ruby -v changed from - to ruby 1.9.1p0 (2009-01-30 revision 21907) [i686-linux]

Can you show us that script?

This kind of problems are hard to track without one.
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http://redmine.ruby-lang.org/issues/show/1295

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http://redmine.ruby-lang.org