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#78120
31.0.50; Calendar is not reliable with its marking
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> From: Manuel Giraud <manuel <at> ledu-giraud.fr>
> Date: Mon, 28 Apr 2025 16:47:31 +0200
>
>
> It seems that the calendar is not reliable with its marking of diary
> events. Here is a recipe:
>
> 1) emacs -Q
>
> 2) Open the file "/tmp/diary", fill it with the following
> contents and save:
> --8<---------------cut here---------------start------------->8---
> %%(diary-block 5 4 2025 5 4 2025 'success) Success
> May 4 2025 Good day
> --8<---------------cut here---------------end--------------->8---
>
> 3) M-: (use-package diary-lib :custom (diary-file "/tmp/diary"))
>
> 4) M-x calendar
>
> 5) Hit 'm' (diary-mark-entries) a few times. Observe that the
> fourth of May has not always the same color.
>
> Maybe this is a limitation of overlays but when I tried to test
> (lightly) with overlapping overlays the visual results were always the
> same.
Thanks, but could you please describe the issue in more detail? We
don't have an active maintainer of diary-lib, but you seem to imply
that there's some more basic issue with overlays here? can you
elaborate on that, and perhaps show some Lisp that is not specific to
diary-lib?
This bug report was last modified 37 days ago.
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