GNU bug report logs - #17303
On tty or -nw, (window-body-width) is one column too big.

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From: help-debbugs <at> gnu.org (GNU bug Tracking System)
To: Alan Mackenzie <acm <at> muc.de>
Subject: bug#17303: closed (Re: bug#17303: Acknowledgement (On tty or -nw,
 (window-body-width) is one column too big.))
Date: Mon, 21 Apr 2014 15:34:03 +0000

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Your bug report

#17303: On tty or -nw, (window-body-width) is one column too big.

which was filed against the emacs package, has been closed.

The explanation is attached below, along with your original report.
If you require more details, please reply to 17303 <at> debbugs.gnu.org.

-- 
17303: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=17303
GNU Bug Tracking System
Contact help-debbugs <at> gnu.org with problems

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From: Alan Mackenzie <acm <at> muc.de>
To: 17303-done <at> debbugs.gnu.org
Subject: Re: bug#17303: Acknowledgement (On tty or -nw, (window-body-width)
 is one column too big.)
Date: Mon, 21 Apr 2014 15:29:39 +0000

Bug closed; not a bug.

-- 
Alan Mackenzie (Nuremberg, Germany).

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From: Alan Mackenzie <acm <at> muc.de>
To: bug-gnu-emacs <at> gnu.org
Subject: On tty or -nw, (window-body-width) is one column too big.
Date: Sun, 20 Apr 2014 17:03:43 +0000

Hi, Emacs.

I'm doing something at the moment involving scrolling of windows, and I
need to know at what "visual" column point is in.  So, naturally, I do

    (% (current-column) (window-body-width))

.  At the start of the first continuation line, this formula (correctly)
returns 0 on a GUI, but (e.g.) 79 on a tty or in emacs -nw.

This is caused by emacs counting the "\" character in the right margin as
part of the body-width.  This seems like a bad idea.  I think it's also a
bug.

So, is there a better method of determining the "visual" column point is
in?

-- 
Alan Mackenzie (Nuremberg, Germany).

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