>>>>> "Greg" == Greg A Woods <[EMAIL PROTECTED]> writes:
Greg> [ On , March 9, 2000 at 19:33:12 (+0100), Akim Demaille wrote: ]
>> Subject: Re: Portability of `?' in sed
>>
>> I think the answer from Nicolas Joly demonstrate it is not.
>> Thanks!
Greg> Indeed the '?' meta-char is not portable in "sed".
Greg> While almost every Unix-based RE parser I've ever seen have
Greg> always supported the '?' meta-char, the REs handled by 'ed' and
Greg> 'sed' have often been limited subsets. On V7 '?' works in grep
Greg> but not ed or sed.
Pfff :(
Greg> However what's the context for this question?
I'll send a message right afterwards, which details the problem we're
trying to solve.
Akim