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From: Oleksandr Gavenko <gavenkoa@gmail.com>
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Subject: Re: An elisp question
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Nikolaj Schumacher пишет:
> 
> Incidentally, if anything, testing for t is more correct.  :) The doc for
> `y-or-n-p' clearly states, it will return t for "yes".  It could be
> extended to return 'cancel without changing the interface.  Using any
> non-nil value as "yes" is indeed an assumption.  (Not that it's likely
> to break, or that I haven't made that assumption myself...)

Thanks, yes for some functions there may by side effect with
non-nil as true!