play/mpuz.el improved

[Daniel Pfeiffer]

Hi,

most of the diff comes form reindenting the buffer according to the
dafaults of emacs lisp, which is why I send 2 variants of the otherwise
identical patch.

There are two incompatible changes:

- By default it no longer dings on every entry, which was no end annoying.

- By default it uses the new feature of calculating the result, when the
two factors have been found.  This used to be boring manual work.

best regards
Daniel

ChangeLog
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mpuz.el
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mpuz-nospace.patch
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