On Thu Jul 26 16:49:12 2007, allison wrote: > PMCNULL is a singleton, so PMCNULL always equals PMCNULL. > > Undef allows morphing and "interesting values" of Undef (with attached > properties and possibly roles) so it can't be just a singleton. But, > Undef can report itself as equal to other Undefs. Let's make it so. > > It's likely that undefined elements in Arrays should be PMCNULL, rather > than Undef. (Hash returns PMCNULL.)
Fixed in r20232 Undef now reports == Undef. Thanks to Sam Ruby for the original patch.
