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From: Thien-Thi Nguyen <ttn@gnuvola.org>
Newsgroups: gmane.emacs.devel
Subject: Re: Type-error in C code
Date: Fri, 12 Nov 2010 22:15:31 +0100
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() Jan Dj=C3=A4rv <jan.h.d@swipnet.se>
() Fri, 12 Nov 2010 16:12:17 +0100

   An Atom is 32 bits.

... with the top 3 bits guaranteed to be zero
(X Windows System Protocol, section 3. Common Types).

In this Emacs, =E2=80=98most-positive-fixnum=E2=80=99 is 536870911,
i.e., #x1fffffff, i.e., 29 1s.

Coincidence?