Ben Morrow wrote: > At 11AM -0600 on 11/08/10 you (karl williamson) wrote: >> Ben Morrow wrote: >>> Quoth public@khwilliamson.com (karl williamson): >>>> +Starting in Perl 5.14, a C<.> (dot) immediately after the C<?> is a >>>> +shorthand equivalent to C<-imsx>. Any positive or negative flags may >>>> +follow the dot, so >>>> + >>>> + (?.x-i:foo) >>>> + >>>> +is equivalent to >>>> + >>>> + (?x-ims:foo) >>>> + >>>> +(The C<-i> wasn't necessary, but did no harm.) >>> FWIW I'm not convinced allowing (?.-i: >> Please explain your concerns. > > It's always redundant, so any situation where it appears is > unnecessarily confusing. (You do realise I'm not talking about -i > specifically, but about *any* negated flags?) > > To go back to my chmod analogy, we have a+x and a-x and a=x, but not > a=-x, because that would be silly. > > Ben > Do you want a warning or an error?Thread Previous | Thread Next