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From: Hrvoje Niksic <hniksic@arsdigita.com>
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Subject: Re: locate-file in Emacs
Date: Thu, 18 Apr 2002 18:49:21 +0200
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Miles Bader <miles@gnu.org> writes:

> Hrvoje Niksic <hniksic@arsdigita.com> writes:
>> > I think that probably the best thing to do is to simply deprecate
>> > the MODE interface
>> 
>> You find it best, but I don't agree.  I think MODE is nice for the
>> added efficiency (which my implementation doesn't use).
>
> I think that the common cases could (and probably should) be hardwired
> for efficiency's sake.  [E.g., (eq predicate 'file-executable-p) ]

Maybe.  But playing that kind of game can be extremely dangerous.
People can and do redefine built-in functions for all kinds of
reasons.  When I say `file-executable-p', I expect *that* to be run,
and not something else.