Re: mention lgrep and rgrep in the docstring for grep

[Dan Nicolaescu]

"Lennart Borgman (gmail)" <address@hidden> writes:

  > Kim F. Storm wrote:
  > 
  > > But the main reason for lgrep is it's interface is modelled after the 
rgrep
  > > interface, prompting (and using different input histories) for each 
argument.
  > >
  > > So some of the specific aspects of rgrep also applies to lgrep
  > > (such as the grep-files-aliases feature).
  > 
  > 
  > lgrep and rgrep have nice UI especially for those not that familiar
  > with grep. I think the doc string for grep should mention this.

I committed the verions RMS agreed with, please feel free to improve
the text.