On Jun 24, 2007, at 6:42 PM, Tim Hunter wrote:

> Has anybody else encountered this problem?

Yes.  This is the bug that hosed the Ruby Quiz software:

   http://blade.nagaokaut.ac.jp/cgi-bin/scat.rb/ruby/ruby-talk/256794

That's the second time I have run into the bug too, unfortunately.   
It's a pretty big issue with that release.

It is fixed in the HEAD of Ruby's 1.8 branch, if that helps.

James Edward Gray II