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

[Edmund Kademan <ed@kademan.org>]

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Eli Zaretskii <eliz@gnu.org> writes:

>> 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?

Thank you for responding so promptly.  The attached file demonstrates
the problem.  I have a personal work-around so there's no urgency as
far as I'm concerned.

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-*- mode: allout -*-

* topic 1
Configure emacs so that
lines in this topic fit
the screen without hitting the right
margin.  To go to topic 2 put
your cursor on the asterisk
above and hit "n" to run
`allout-next-visible-heading'.

* topic 2
Now with your cursor on topic 2's
asterisk, hit "n" again to go to
topic 3.  This time emacs just
spins its wheels.
Here is a very long line that wraps around on your display when you are not truncating lines.  Make your emacs window narrow enough so that this displays as at least two "visual" lines.

* topic 3
You can get here by hitting "n"
as above if you
`toggle-truncate-lines' or
get rid of topic 2's long line.

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