[Patch] Add comments for future regex work

[Tim Shen]

On Tue, Dec 3, 2013 at 4:47 AM, Paolo Carlini <paolo.carlini@oracle.com> wrote:
> Great. Consider that we are now in Stage 3, until mid of February.
> Considering that <regex> is a new feature, I think we have some leeway in
> terms of timing, but definitely we can't commit invasive changes not fixing
> regressions while in Stage 4.

...committed.


-- 
Regards,
Tim Shen