From: Eli Zaretskii <eliz@gnu.org>
To: Stefan Monnier <monnier@iro.umontreal.ca>
Cc: emacs-devel@gnu.org
Subject: Re: documentation of integers, fixnums and bignums
Date: Sun, 09 Sep 2018 08:42:33 +0300 [thread overview]
Message-ID: <83sh2jql9y.fsf@gnu.org> (raw)
In-Reply-To: <jwv1sa3odld.fsf-monnier+gmane.emacs.devel@gnu.org> (message from Stefan Monnier on Sat, 08 Sep 2018 18:03:37 -0400)
> From: Stefan Monnier <monnier@iro.umontreal.ca>
> Date: Sat, 08 Sep 2018 18:03:37 -0400
>
> AFAIK any Unicode codepoint fits in 22 (or even 21?) bits, and while we
> may use a few extra codepoints IIUC in some corner cases, it should all
> fit comfortably within our 28 bits of FIXNATs.
Unicode codepoints have almost nothing to do with this, since nowadays
encode-char is mostly a no-op with Unicode character set. Its main
use is with non-Unicode charsets, and there we cannot apply the
knowledge of the Unicode code-space, we cannot even assume the
code-space is populated densely as in Unicode.
next prev parent reply other threads:[~2018-09-09 5:42 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-09-08 16:09 documentation of integers, fixnums and bignums Paul Eggert
2018-09-08 16:27 ` Eli Zaretskii
2018-09-08 18:15 ` Stefan Monnier
2018-09-08 20:15 ` Paul Eggert
2018-09-08 22:03 ` Stefan Monnier
2018-09-08 23:37 ` Paul Eggert
2018-09-09 2:33 ` Stefan Monnier
2018-09-09 5:40 ` Eli Zaretskii
2018-09-10 0:09 ` Stefan Monnier
2018-09-10 6:43 ` Eli Zaretskii
2018-09-10 12:11 ` Stefan Monnier
2018-09-10 13:53 ` Eli Zaretskii
2018-09-09 5:42 ` Eli Zaretskii [this message]
2018-09-10 0:12 ` Stefan Monnier
2018-09-08 20:05 ` Paul Eggert
2018-09-08 21:07 ` Eli Zaretskii
2018-09-08 21:58 ` Stefan Monnier
[not found] <<0f632217-27ad-4f54-8ce0-480301fa2a86@cs.ucla.edu>
[not found] ` <<83pnxorm37.fsf@gnu.org>
2018-09-09 1:43 ` Drew Adams
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