[PATCH] sed: Document POSIX -E sed flag that selects EREs (as a synonym for -r)

[Denys Vlasenko]

On Wednesday 30 October 2013 20:25, David A. Wheeler wrote:
> > > -               "regexp-extended\0" No_argument         "r"
> > > +               "regexp-extended\0" No_argument         "E"
> > 
> > Does it change any visible behavior?
> 
> If you generate docs from this code, then I'd like
> "regexp-extended" to say it's the same as "-E", not "-r".
> Other it's the same.

No, we don't generate docs from this chunk of code.