bug#29303: 25.2; vc-git-grep should shell-escape FILES

[Robert Pluim]

Eli Zaretskii <eliz@gnu.org> writes:

>> From: Robert Pluim <rpluim@gmail.com>
>> That's a good question. Note that interactively entering patterns with
>> a space is currently a pain, since grep-read-files uses
>> read-file-name-internal, which attempts to do completion if you type
>> <SPC>. So this would presumably only affect people who have changed
>> grep-files-aliases and have patterns with embedded whitespace.
>
> Maybe we should mention this in the doc string

For vc-git-grep, or for every function that uses grep-read-files?

Robert