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bug#52324: 29.0.50; "Padded" mode line lacks uniform border
From: |
Eli Zaretskii |
Subject: |
bug#52324: 29.0.50; "Padded" mode line lacks uniform border |
Date: |
Mon, 06 Dec 2021 16:47:17 +0200 |
> From: Protesilaos Stavrou <info@protesilaos.com>
> Date: Mon, 06 Dec 2021 10:58:02 +0200
>
> In an emacs -Q session with version 27 we could evaluate the following
> to make the mode line look more spacious ("padded", so to speak):
>
> (setq x-underline-at-descent-line t)
>
> (set-face-attribute 'mode-line nil
> :foreground "black"
> :background "gray80"
> :box '(:line-width 6 :color "gray80")
> :overline "gray30"
> :underline "gray30"
> :distant-foreground 'unspecified)
>
> Whereas with master, the same results in a box with interrupted lines.
This seems to be a general bug regarding display of stretches of
whitespace with overline and underline. In Emacs 27, after evaluating
the above settings, try this:
M-: (setq mode-line-format "%b %p HELLO") RET
where the whitespace between %b and %p is 2 TAB characters. you will
see that the stretch glyph produced for the TABs lacks the overline
and underline in Emacs 27 as well.
So this is not a bug introduced by the recent changes in the mode
line, it is a bug that was always in Emacs, and those recent changes
just exposed it.
I'll try to dig into this when I have time.
> Furthermore, there exists an invisible button (?) to the left of the
> "All" text. The emacs-29-mode-line-padded-mouse-pointer-button.png
> shows it and also captures the tooltip. (Maybe these are related to the
> same underlying change on how the mode line is produced, otherwise I can
> file a separate bug report).
I think that's a separate bug, so please file a separate report for
it.
Thanks.
- bug#52324: 29.0.50; "Padded" mode line lacks uniform border, Protesilaos Stavrou, 2021/12/06
- bug#52324: 29.0.50; "Padded" mode line lacks uniform border,
Eli Zaretskii <=
- bug#52324: 29.0.50; "Padded" mode line lacks uniform border, Protesilaos Stavrou, 2021/12/06
- bug#52324: 29.0.50; "Padded" mode line lacks uniform border, Eli Zaretskii, 2021/12/11
- bug#52324: 29.0.50; "Padded" mode line lacks uniform border, Po Lu, 2021/12/11
- bug#52324: 29.0.50; "Padded" mode line lacks uniform border, Po Lu, 2021/12/11
- bug#52324: 29.0.50; "Padded" mode line lacks uniform border, Eli Zaretskii, 2021/12/12
- bug#52324: 29.0.50; "Padded" mode line lacks uniform border, Po Lu, 2021/12/12
- bug#52324: 29.0.50; "Padded" mode line lacks uniform border, Po Lu, 2021/12/12
- bug#52324: 29.0.50; "Padded" mode line lacks uniform border, Po Lu, 2021/12/12
- bug#52324: 29.0.50; "Padded" mode line lacks uniform border, Eli Zaretskii, 2021/12/12
- bug#52324: 29.0.50; "Padded" mode line lacks uniform border, Protesilaos Stavrou, 2021/12/12