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bug#40687: Missing right border on composed text used in 'display proper
From: |
Stephen Berman |
Subject: |
bug#40687: Missing right border on composed text used in 'display property |
Date: |
Thu, 23 Apr 2020 22:07:21 +0200 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/28.0.50 (gnu/linux) |
On Thu, 23 Apr 2020 18:48:09 +0300 Eli Zaretskii <eliz@gnu.org> wrote:
>> From: Clément Pit-Claudel <cpitclaudel@gmail.com>
>> Date: Fri, 17 Apr 2020 15:44:36 -0400
>>
>> With the following sample code, I observe the results shown in the
>> attached image. The first two "ab" have a border, but the last one
>> only has three-quarters of its border: the right side is missing.
>>
>> (defface my-button
>> '((t :box(:line-width -4 :style released-button)
>> :background"lightgrey":foreground"black"))
>> "Button face")
>>
>> (with-current-buffer (get-buffer-create "button")
>> (insert "\n")
>> (insert (propertize "ab" 'face 'my-button))
>> (insert " ")
>> (insert (propertize (compose-chars ?a '(Br . Bl) ?b) 'face 'my-button))
>> (insert " ")
>> (insert (propertize "ab" 'display (compose-chars ?a '(Br . Bl) ?b) 'face
>> 'my-button))
>> (insert " ")
>> (pop-to-buffer-same-window (current-buffer)))
>
> Thanks, should be fixed now.
>
> FTR, a recipe to test more fully display of composed text with a :box
> face is below. I found quite a few problems with this, especially
> when the text in the boxed face ends with a composed character. They
> should be fixed now on the master branch. I tested this fully only on
> MS-Windows; could someone please use the recipe below to verify the
> display looks correctly also on X and on NS?
I'm on GNU/Linux and confirm that with your patch all the buttons
produced by your recipe display correctly, i.e., with the right border.
Steve Berman