GNU bug report logs - #7339
23.2; term-mode vs clone-buffer

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From: Lars Ingebrigtsen <larsi <at> gnus.org>
To: Kevin Ryde <user42 <at> zip.com.au>
Cc: 7339 <at> debbugs.gnu.org
Subject: bug#7339: 23.2; term-mode vs clone-buffer
Date: Tue, 10 May 2022 04:17:19 +0200

Kevin Ryde <user42 <at> zip.com.au> writes:

> A term-mode buffer doesn't seem to duplicate with M-x clone-buffer very
> well.  For example
>
>     emacs -Q
>     M-x term
>     top Ret        ;; run the "top" program
>     C-c M-x clone-buffer
>     => gets multiple inserts of the top output
>
> where I hoped the cloned buffer would have refreshing top output,
> instead of appending and growing the buffer.
>
> Nosing around the code it looks like clone-buffer runs up a new
> subprocess well enough, but that presumably something in the `term-mode'
> setups doesn't come out right.

(I'm going through old bug reports that unfortunately weren't resolved
at the time.)

I can confirm that this behaviour is still present in Emacs 29.

-- 
(domestic pets only, the antidote for overdose, milk.)
   bloggy blog: http://lars.ingebrigtsen.no

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