bug#6749: Snake.el enhancements

[Lars Magne Ingebrigtsen <larsi@gnus.org>]

Stuart Hacking <stuhacking@gmail.com> writes:

> I have made the following small enhancements to snake.el:
>
> - Primarily, that apples are now, by default, placed at random in the
> game grid. The original behaviour can be restored by toggling a
> customization variable.
>
> - Some other variables are now customizable
>
> - Added some extra doc strings to keep Checkdoc happy.

Looks good.

This is a rather large patch, so the FSF needs copyright assignment
papers before installing.  If you haven't already, would you be willing
to sign such paperwork?

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-- 
(domestic pets only, the antidote for overdose, milk.)
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