bug#67161: 30.0.50; [PATCH] Add option `dired-filename-display-length'

[Liu Hui]

Stefan Monnier <monnier@iro.umontreal.ca> 于2023年11月15日周三 23:57写道：

> I think it's good that you use `invisible`, tho, specifically since it
> then uses whichever ellipsis the user has chosen via the display-table.
> The downside is that most users don't know how to change it and there's
> no convenient facility to access it.  You probably need something like
>
>     (defun length-of-standard-ellipsis ()
>       (let ((glyphs
>              (and standard-display-table
>                   (display-table-slot standard-display-table
>                                       'selective-display))))
>         (if glyphs (length glyphs) (eval-when-compile (length "...")))))

Thanks very much for pointing out the problem! Your suggestion is
valuable, and I will update the patch later.