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Showing content from https://lists.gnu.org/archive/html/bug-gnu-emacs/2023-07/msg01407.html below:

bug#64759: Broken faces

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] From: Juri Linkov Subject: bug#64759: Broken faces Date: Fri, 21 Jul 2023 20:51:57 +0300 User-agent: Gnus/5.13 (Gnus v5.13) Emacs/30.0.50 (x86_64-pc-linux-gnu) 
>> Thanks, I confirm that '((t nil)) solves this problem.
>> If a nil value can't be supported for faces, then
>> let's use '((t nil)).
>
> What do you expect this to produce for the face attributes?

Let's see: when the definition is

  (defface display-time-date-and-time
    nil
    "Face for `display-time-format'."
    :group 'mode-line-faces
    :version "30.1")

then the customization buffer is

  Hide display-time-date-and-time face: [sample]
      State : NO CUSTOMIZATION DATA; not intended to be customized.
     Face for ‘display-time-format’.
     -- Empty face --
     Show All Attributes

But when the definition is

  (defface display-time-date-and-time
    '((t nil))
    "Face for `display-time-format'."
    :group 'mode-line-faces
    :version "30.1")

the customization buffer is

  Hide display-time-date-and-time face: [sample]
      State : STANDARD.
     Face for ‘display-time-format’.
     -- Empty face --
     Show All Attributes

Looks nice.  No strange error message about not intended to be customized.

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