GNU bug report logs - #73862
[PATCH] Add `header-line-active` and `header-line-inactive` faces.

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From: Eshel Yaron <me <at> eshelyaron.com>
To: 73862 <at> debbugs.gnu.org
Cc: trevor.m.murphy <at> gmail.com, yantar92 <at> posteo.net, aaronjensen <at> gmail.com, monnier <at> iro.umontreal.ca, eliz <at> gnu.org
Subject: bug#73862: [PATCH] Add `header-line-active` and `header-line-inactive` faces.
Date: Sat, 14 Dec 2024 10:45:45 +0100

Eshel Yaron writes:

> Hi, 
>
> Eli Zaretskii <eliz <at> gnu.org> writes:
>
>>> From: Eshel Yaron <me <at> eshelyaron.com>
>>> Cc: trevor.m.murphy <at> gmail.com,  monnier <at> iro.umontreal.ca,
>>>   aaronjensen <at> gmail.com,  73862 <at> debbugs.gnu.org
>>> Date: Sun, 08 Dec 2024 21:56:33 +0100
>>> 
>>> Aaron shared a recipe to reproduce this behavior, copied here:
>>> 
>>> --8<---------------cut here---------------start------------->8---
>>> (setq header-line-format "Some header")
>>> (face-remap-set-base 'header-line 'highlight)
>>> (switch-to-buffer-other-window "new")
>>> ;; In new buffer/window:
>>> (setq header-line-format "Some header")
>>> (other-window 1)
>>> ;; In original buffer/window:
>>> (set-face-attribute 'default nil :height (+ (face-attribute 'default :height) 10))
>>> --8<---------------cut here---------------end--------------->8---
>>
>> Are you also change the attributes of the default face to cause the
>> "spreading"?  If not, please show a recipe.  Because I was unable to
>> see this without something like the last line of the recipe, and also
>> that line _must_ be in the buffer where header-line is remapped,
>> otherwise the effect is not seen.
>
> Yes, I used C-x C-M-= in the buffer in which I remapped header-line.

Note that this issue also affects Org: org-columns remaps header-line in
org-columns--display-here.  (CC'ing Ihor.)


Best,

Eshel

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