GNU bug report logs - #70562
Trouble using Vim under Emacs's ansi-term

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Message #5 received at submit <at> debbugs.gnu.org (full text, mbox):

From: "C.J.S. Hayward" <cjsh <at> cjshayward.com>
To: "bug-gnu-emacs <at> gnu.org" <bug-gnu-emacs <at> gnu.org>
Subject: Trouble using Vim under Emacs's ansi-term
Date: Wed, 24 Apr 2024 17:42:41 +0000

I have Emacs 21 as installed from Linux Mint Victoria.

I am a long-time Vim user interested in a proportional font terminal, such as is mostly provided by Emacs Evil mode or local or (ssh) remote Vim, but I have experienced consistent issues using vim under Emacs's ansi-term.

I haven't been able to pin down that if you edit a particular document and attempt a particular set of keystrokes, issues arise. However, I have had issues with Emacs thinking it is one line higher or lower than it really is, so that commenting out a line of JavaScript comments out a different line from what the user intended (and what it appears), and random freezing.

I believe that if you have a volunteer who is comfortable using Vim, and ask said user to use Vim under Emacs's ansi-term for half an hour (I have not been able to discern different behavior between local Vim processes and those ssh'ed into a Linux server), the odd behaviors I have experienced will be reproduced. Based on my own experience, I believe some inappropriate behavior will probably be noticeable in 2-5 minutes, but I mention half an hour as adding slop.


Thanks,


Unworthy Br. Christos Hayward (really, thou / thee / thy / thine), novice at St. Demetrios Orthodox Monastery.

Most recent posting: A Note to Single Evangelical Women

Websites:

C.J.S. Hayward: Official Author Site (Bookshelf)Official Substack
Orthodox Church Fathers
The Powered Access Bible
Scrolls of Wonder

Message #8 received at 70562 <at> debbugs.gnu.org (full text, mbox):

From: Philip Kaludercic <philipk <at> posteo.net>
To: "C.J.S. Hayward" <cjsh <at> cjshayward.com>
Cc: 70562 <at> debbugs.gnu.org
Subject: Re: bug#70562: Trouble using Vim under Emacs's ansi-term
Date: Thu, 25 Apr 2024 06:59:53 +0000

"C.J.S. Hayward" <cjsh <at> cjshayward.com> writes:

> I have Emacs 21 as installed from Linux Mint Victoria.

Do I understand correctly, that you are using Emacs 21, released
somewhere between 2001 and 2005?

> I am a long-time Vim user interested in a proportional font terminal,
> such as is mostly provided by Emacs Evil mode or local or (ssh) remote
> Vim, but I have experienced consistent issues using vim under Emacs's
> ansi-term.
>
> I haven't been able to pin down that if you edit a particular document
> and attempt a particular set of keystrokes, issues arise. However, I
> have had issues with Emacs thinking it is one line higher or lower
> than it really is, so that commenting out a line of JavaScript
> comments out a different line from what the user intended (and what it
> appears), and random freezing.
>
> I believe that if you have a volunteer who is comfortable using Vim,
> and ask said user to use Vim under Emacs's ansi-term for half an hour
> (I have not been able to discern different behavior between local Vim
> processes and those ssh'ed into a Linux server), the odd behaviors I
> have experienced will be reproduced. Based on my own experience, I
> believe some inappropriate behavior will probably be noticeable in 2-5
> minutes, but I mention half an hour as adding slop.

I am comfortable enough with vi(m) and I tried out some non-trivial text
manipulation but couldn't notice anything wrong.  If you are actually
using Emacs 21, then it might be that in the ~20 years since its release
the bugs causing the issues you have been having have been resolved?  I
would also recommend trying out the ELPA package "eat" as an alternative
terminal emulator, but that would also require a newer version of Emacs.

>
> Thanks,
>
>
> Unworthy Br. Christos Hayward (really, thou / thee / thy / thine), novice at St. Demetrios Orthodox Monastery.
>
> Most recent posting: A Note to Single Evangelical Women
>
> Websites:
>
> C.J.S. Hayward: Official Author Site (Bookshelf)Official Substack
> Orthodox Church Fathers
> The Powered Access Bible
> Scrolls of Wonder
>
>
>
>

-- 
	Philip Kaludercic on peregrine

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