Re: Numbered regexps throw invalid regex error

[Andreas Röhler]

Am 26.01.2012 09:30, schrieb Tom:
> Andreas Röhler<andreas.roehler<at>  easy-emacs.de>  writes:
> > > There is no mention of an automatic assignment. It says the last one
> > > will win, so assigning a number which is already used for
> > > a previous group should work.
> >
> > would consider it a bug then - at least a docu bug
>
> I don't think it's a doc bug. The whole point of the feature is that
> you can assign constant numbers to groups, so they don't change if you
> add/remove parens.
>
> If it can suddenly throw a regexp error, just because you've added
> a paren around an other paren then it pretty much defeats the
> prupose of the feature.

Probably. OTOH one may arg the error message helps counting.

Could think of a static variant --as is-- as it provides some security.

OTOH one may think at dynamic environments which can't be handled that way.

Anyway in favor of a bug report.