On Tue, Mar 18, 2008 at 08:21:09AM -0700, Stephane Payrard wrote: > > A <?before> rule with a space between the '<' and the '?' compiles > but fails at execution > with the unhelpful message : > Unable to find regex '' > Null PMC access in invoke()
I agree that this is not a useful error message. However, when PGE is corrected to follow the specification the regex < ?before foo> would be identical to '?before' | 'foo' and no error message would be generated at all. (PGE hasn't been updated to recognize the < a b c > form of alternation.) Pm