bug#5260: 23.1.90; zrgrep grep-files-aliases

[Juri Linkov]

> So now I'd like to install only the following patch that puts `all' in front
> and also fixes a bug I just discovered: when `zrgrep' is run first before
> normal `grep' commands then some grep variables get wrong default values.
> A fix is to run `grep-compute-defaults' at the beginning of `zrgrep' like
> all other grep commands do:

Fix installed.  More changes after feature freeze.

-- 
Juri Linkov
http://www.jurta.org/emacs/