>>>>> "Y" == Yukihiro Matsumoto <matz / ruby-lang.org> writes:

Y> ...aagghh,  let us re-compile code chunks each time, and abandon
Y> flip-flop operators in the chunks.   We just need to update the
Y> rubicon test, don't we?

 Not really sure, but I think that it's not used in lib/*


Guy Decoux