bug#58712: Incorrect vtable edges recognizing

[Stefan Kangas]

Version: 30.1

Lämppi Lütti <lamppilutti@protonmail.com> writes:

> 1. Open buffer and insert some lines in it.
> 2. With cursor between the lines do M-x eval-expression RET
>    (make-vtable :objects '(("Foo" 1034) ("Gazonk" 45))).
> 3. With cursor on the table do M-x vtable-sort-by-current-collumn several
>    times (or any other function listed in first letter).
>
> Without the patch lines above and below the table will be removed.

Thanks for the reproducer, with that I was able to reproduce the bug and
confirm that your patch fixes it.

Installed on master as commit 55c2180d2c3.