bug#58479: 29.0.50; [feature/noverlay] Displaced overlays in notmuch search buffers after refreshing

[Stefan Monnier]

Ihor Radchenko [2022-10-15 09:38:49] wrote:
> Stefan Monnier <monnier@iro.umontreal.ca> writes:
>>> 3. C-d (5 times)
>>> 4. Hell...
>>>
>>> "rld!" disappears!
>>
>> Thanks, I have fixed this specific problem with the patch below.
>> Let's hope it also fixes your original issue with notmuch.
>
> Thanks! It appears to fix the issue with notmuch.
>
> However, I noticed a different problem introduced by the patch.
>
> After executing 3, if I run M-x describe-text-properties, the overlay is
> not listed in the text properties. Running
> M-: (overlays-in (point-min) (point-max)) does list the 0-length
> overlay 5..5. However, running M-: (overlays-at 5) yields nil.

I don't see this here: the overlay is listed just as much after as
before the patch.  Are you sure you were calling
`M-x describe-text-properties` exactly from the same buffer position?


        Stefan