bug#6553: M-x grep should encourage the user to remember to add filenames to the command line

[Dan Nicolaescu]

jidanni@jidanni.org writes:

> M-x grep, instead of prompting like:
>   Run grep (like this): zgrep -nH -e
> should prompt like:
>   Run grep (like this): zgrep -nH -e    *
> with the cursor placed                ^here.
> That way the user won't need to remember to add the *, which he usually
> wants, but always forgets, as I recall I mentioned a few years back.

IMHO we should just encourage users to use lgrep/rgrep/rzgrep, the UI is much 
better.