GNU bug report logs - #59727
Problems with displaying long lines

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From: Eli Zaretskii <eliz <at> gnu.org>
To: juri <at> linkov.net
Cc: 59727 <at> debbugs.gnu.org
Subject: bug#59727: Problems with displaying long lines
Date: Wed, 30 Nov 2022 20:17:13 +0200

> Cc: 59727 <at> debbugs.gnu.org
> Date: Wed, 30 Nov 2022 19:55:36 +0200
> From: Eli Zaretskii <eliz <at> gnu.org>
> 
> > > the X coordinate of a screen line is an 'int', so MAX_INT divided by the
> > > pixel-width of your default font is as far as we can go.
> > 
> > Maybe this limitation of auto-hscrolling should be documented?
> 
> We could document them, indeed.  But where? maybe in PROBLEMS?

Or we could bite the bullet and lift the restriction: make current_x be a
ptrdiff_t, and then audit all the gazillion places where we make
calculations with the X coordinate and make sure we use ptrdiff_t there.
Probably not for emacs-29.

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