GNU bug report logs - #21609
24.5; Undesirable Cursor Jump After Movement with M-left or M-right in Term-Mode

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From: Philipp Stephani <p.stephani2 <at> gmail.com>
To: Phil Sainty <psainty <at> orcon.net.nz>
Cc: 24837 <at> debbugs.gnu.org, 21609 <at> debbugs.gnu.org
Subject: bug#21609: bug#24837: 26.0.50; term.el: In char mode, displayed and executed commands can differ
Date: Wed, 23 Nov 2016 20:21:56 +0000

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Phil Sainty <psainty <at> orcon.net.nz> schrieb am Mi., 23. Nov. 2016 um
21:09 Uhr:

> On 24/11/16 08:44, Philipp Stephani wrote:
> > Phil Sainty <psainty <at> orcon.net.nz> schrieb am Mo., 31. Okt. 2016 um
> >> This is a duplicate of bug #21609 -- any command which directly
> >> modifies the state of the terminal buffer can cause the apparent
> >> state to be out of sync with the 'actual' state (i.e. the state
> >> according to the inferior process).
> >
> > Should maybe terminal buffers in char-mode be read-only? The process
> > filter could then use inhibit-read-only.
>
> That's an interesting thought, and may be worth investigating (offhand
> I've no idea whether it's workable), but note that it's not sufficient
> to deal with all cases -- any Emacs command which moves point can create
> an inconsistent state without modifying the buffer contents.
>
>
Hmm, then maybe the entire buffer also needs to be made intangible, except
for the actual position of the terminal cursor?

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