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From: Glenn Morris <rgm@gnu.org>
Newsgroups: gmane.emacs.devel
Subject: Re: next-line screws up column at the EOL
Date: Wed, 26 Sep 2007 17:26:08 -0400
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Cc: Sam Steingold <sds@gnu.org>, rms@gnu.org, emacs-devel@gnu.org
To: Stefan Monnier <monnier@iro.umontreal.ca>
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Stefan Monnier wrote:

> I cannot reproduce your problem. Can you give a recipe starting from
> "emacs -Q"? My guess is that some code somewhere uses "column + 1"
> so the most-positive-fixnum causes a wraparound, but I can't find
> the relevant code.

For me, in a 64-bit Emacs

(move-to-column most-positive-fixnum)

goes to column zero. In a 32-bit Emacs, it goes to the end of line.
HTH.