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Re: [RFC PATCH] Per-window face support

From: Daniel Colascione
Subject: Re: [RFC PATCH] Per-window face support
Date: Sun, 17 Jun 2018 12:25:32 -0700
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>> I think that ship sailed a long time ago. Almost everyone uses eq for
>> integers,
> That's OK.  We can (and probably should)
>     (defalias 'eq #'eql)
> without any significant performance impact.  Doing such a
>     #define EQ EQL
> in the C code might be too costly, which I why I suggest to do this
> bit-by-bit.

That's even worse, because now eq will mean different things depending on
whether a routine is implemented in C or Lisp, and Lisp would have no way
to do _real_ object identity comparisons. This isn't a problem we need to
solve so clumsily.

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