bug#21754: 25.0.50; doc of `grep' - no description of how to call it: COMMAND-ARGS undefined

[Eli Zaretskii <eliz@gnu.org>]

> Date: Sun, 25 Oct 2015 08:35:00 -0700 (PDT)
> From: Drew Adams <drew.adams@oracle.com>
> 
> 
> 
> Here is the entire doc string:
> 
>   (grep COMMAND-ARGS)
> 
>   Run grep, with user-specified args, and collect output in a buffer.
>   While grep runs asynchronously, you can use C-x ` (M-x next-error),
>   or RET in the *grep* buffer, to go to the lines where grep found
>   matches.  To kill the grep job before it finishes, type C-c C-k.
> 
>   For doing a recursive 'grep', see the 'rgrep' command.  For running
>   'grep' in a specific directory, see 'lgrep'.
> 
>   This command uses a special history list for its COMMAND-ARGS, so you
>   can easily repeat a grep command.
> 
>   A prefix argument says to default the argument based upon the current
>   tag the cursor is over, substituting it into the last grep command
>   in the grep command history (or into 'grep-command' if that history
>   list is empty).
> 
> There is _zero_ information here about parameter COMMAND-ARGS.

Thanks, fixed.