Author: ND Date: To: Pcre-dev@exim.org Subject: Re: [pcre-dev] Atomic group optimizations issue
> Here is the answer to your question: in the second case, you see the
> effect of an optimization called "tail recursion".
> Suggestion: if it is possible, don't use capturing brackets inside
> atomic blocks.
>
Thanks a lot, Zoltan!
Can you explain, why capturing atomic groups with capturing brackets
inside can't produce tail recursion in cases when '(?:' can do this?