bug#51530: 28.0.50; allout cannot advance to next visible heading

[Eli Zaretskii]

> From: Edmund Kademan <ed@kademan.org>
> Date: Sun, 31 Oct 2021 12:26:57 -0400
> 
> When you:
>   - are in allout mode and
>   - are not truncating lines and
>   - have your cursor on the heading of an entry that contains a line so
>     long that it wraps around to the left margin and
>   - try to run the command allout-next-visible-heading (C-c C-o C-a C-n)
> the command never completes.

Thanks.

I don't use this mode, so could you please send the minimal file
needed to reproduce this issue?