Re: Box cursor at EoL

[Marcus Harnisch]

On 06/10/2022 21.34, Stefan Monnier via Users list for the GNU Emacs 
text editor wrote:
> I suspect the `while-no-input` makes no difference here.
> And the next three lines can be simplified to:
>
>      (setq cursor-type
>            (if (eolp) cursor-type-at-eol (default-value 'cursor-type)))
>
> > ;; Oddly this doesn't seem to always work with Emacs 27.1. Never
> > ;; noticed any problem with 26.3.
> > (add-hook 'post-command-hook 'change-cursor-at-end-of-line)
>
> Nowadays you could also use the `pre-redisplay-function` hook which
> could have some advantages, but in any case the limit of the above
> approach is that it can't correctly account for all the cases where the
> buffer is displayed in several windows, with some windows' cursor at
> EOL and others not :-(

Thank you very much for your advice. I see the issue with same 
buffer/multiple windows but that is a situation that is rarely part of 
my work pattern. When it is, I am usually not worried about trailing 
whitespace at the same time :)