GNU bug report logs - #37564
[PATCH] don't export LINES and COLUMNS env vars in term to fix ncurses applications

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Message #8 received at 37564 <at> debbugs.gnu.org (full text, mbox):

From: Eli Zaretskii <eliz <at> gnu.org>
To: Matthew Leach <matthew <at> mattleach.net>
Cc: 37564 <at> debbugs.gnu.org
Subject: Re: bug#37564: [PATCH] don't export LINES and COLUMNS env vars in
 term to fix ncurses applications
Date: Tue, 01 Oct 2019 09:01:04 +0300

> From: Matthew Leach <matthew <at> mattleach.net>
> Date: Mon, 30 Sep 2019 20:59:04 +0100
> 
> The attached patch removes the exporting of the LINES and COLUMNS
> environment variables in term-mode.  Exporting these variables causes
> issues for ncurses applications.  For example, when running:
> 
> emacs -Q
> M-x term
> <ret> (to select /bin/bash)
> htop (to run htop)
> 
> and resizing the window (especially making it smaller) can make the
> program impossible to read.

Thanks, but I don't think we can make this change unconditionally,
because not all applications that heed LINES and COLUMNS use ncurses.
I wonder if we can do better than just providing a defcustom.

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