bug#70562: Trouble using Vim under Emacs's ansi-term

[Eli Zaretskii <eliz@gnu.org>]

Ping!  Christos, could you please answer Philip's questions, and
perhaps try a newer version of Emacs?

> Cc: 70562@debbugs.gnu.org
> From: Philip Kaludercic <philipk@posteo.net>
> Date: Thu, 25 Apr 2024 06:59:53 +0000
> 
> "C.J.S. Hayward" <cjsh@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
> 
> 
> 
>