bug#23075: 24.5; vc-git-command should use coding-system-for-read

[Andreas Schwab]

Óscar Fuentes <ofv@wanadoo.es> writes:

> Maybe this is related: on a Kubuntu 15.08 box with a 2 week old emacs
> 25.0.92.2 and git 2.5.0, if I visit etc/HELLO (on a Emacs checkout) and
> do `C-x v l' and then, on the *vc-change-log* buffer, put the cursor on
> the last commit (etc/HELLO: Add Armenian and Mongolian greetings.) and
> press `d', the ensuing *vc-diff* buffer contains mostly garbage.

Garbage in which way?  The diff output is encoded in iso-2022-7bit, but
Emacs doesn't know that since the coding cookie is missing.

Andreas.

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Andreas Schwab, schwab@linux-m68k.org
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