Re: documentation of integers, fixnums and bignums

[Paul Eggert]

Stefan Monnier wrote:
> > > > encode-char could potentially return a value that cannot be
> > > > represented as a fixnum.
> > > Can this still happen?  When?
> > When INDEX_TO_CODE_POINT returns a code point greater than
> > most-positive-fixnum, which can happen (in theory, at least) on 32-bit
> > platforms.
>
> Can it, really?

I don't know of any way it could happen. So what you're saying is that we should 
install something like the attached patch?

Also, how about glyph-ids returned by font-variation-glyphs? Can they exceed 
fixnum range? If not, font-variation-glyphs could see a similar speedup.

encode-char.diff
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