[Patch] Regex back-reference support

[Paolo Carlini]

On 08/10/2013 06:04 PM, Paolo Carlini wrote:
> Also, in the new comment, you refer to a "stack", but in the same 
> patch you removed a std::stack and added a std::vector as data member, 
> something seems inconsistent.
I had having a closer look to this: if one looks at the code now, 
without knowing that a std::stack was there probably the comment makes 
perfect sense, doesn't appear confusing (after all you are just using 
push_back and pop_back, and std::vector is fine for that).

Paolo.