GNU bug report logs - #22891
25.0.92; set-fringe-mode with left fringe 0 breaks window width calculations on Mac OS (again)

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From: Daniel Colascione <dancol <at> dancol.org>
To: Anders Lindgren <andlind <at> gmail.com>, martin rudalics <rudalics <at> gmx.at>, Constantine Vetoshev <vetoshev <at> gmail.com>, 22891 <at> debbugs.gnu.org
Subject: bug#22891: 
Date: Sat, 23 Apr 2016 12:03:31 -0700

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On 04/23/2016 11:42 AM, Anders Lindgren wrote:
> Hi!
> 
> I think that I already have solved this, but awaiting confirmation I
> haven't committed the change. In short, when either fringe is zero,
> Emacs reserves one column for a terminal-style continuation character.
> The function `window-adjust-process-window-size' in window.el should use
> `window-max-chars-per-line' rather than `window-body-width' to take the
> continuation character into consideration.
> 
> See http://debbugs.gnu.org/cgi/bugreport.cgi?bug=22891#26 for details.
> 
> In that message I also suggested removing `term-window-width' and
> instead use `window-max-chars-per-line', as both functions use a complex
> algorithm to determine whether or not a column is reserved for the
> continuation character. Well, since I wrote the suggestion, a bug was
> found and fixed in `window-max-chars-per-line' while the bug still
> remains in `term-window-width'...

Sounds good to me.

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