bug#56116: Feature: new Tetris randomizer

[Lars Ingebrigtsen]

Timothée Denizou <denizoutimothee@gmail.com> writes:

> Modern tetris implementations (Tetris 99 and Tetris Effect) both
> use the 7-bag randomizer, as well as a 'hold' cell and a preview of
> respectively 6 and 4 pieces.
> While this definitely reduce difficulty in a sens, it definitely adds fluidity
> and speed, as well as a more competitive aspect to it. Scores can get
> much higher as well.

Makes sense, but I can see people wanting both versions.  So I've pushed
your patch (with some changes) to Emacs 29, guarded by a new user
option, tetris-allow-repetitions.

-- 
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   bloggy blog: http://lars.ingebrigtsen.no