C and being zero width assertions , I think they must
always be called with
a question mark. This is not the case line 394 and 1537.
Perljam suggested that a zero width assertion can be also a capturing
one and that
could explain the dropping of the question mark. I don't agree with
that suggesti
On Apr 28, 2:05 pm, mor...@faui2k3.org (Moritz Lenz) wrote:
> Am 27.04.2010 06:31, schrieb Stéphane Payrard:
>
> > When doing an analyse of a sample parse tree, I note that it is
> > cluttered by the reduction of optional subrules
> > to generate a zero length parse subtree. That is, rules with a
