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Re: Fwd: [QUESTION] why there is a horizontal line in middle of text-pro


From: Ihor Radchenko
Subject: Re: Fwd: [QUESTION] why there is a horizontal line in middle of text-property displayed image?
Date: Sun, 02 Oct 2022 12:17:39 +0800

"Christopher M. Miles" <numbchild@gmail.com> writes:

> I replaced step 5 with step 6 by extracting the logic code of
> org-link-beautify, but I found it does not have center-line. That's
> really weird.
> ...
>        (put-text-property
>         start end
>         'display (create-image "~/Downloads/.thumbnails/3veEPJrQrV1EtpH9.png" 
> nil nil :ascent 'center :max-height 512))
>        (make-local-variable 'image-map)
>        (define-key image-map (kbd "<mouse-1>") 'org-open-at-point))
>      #+end_src

On my side, the put-text-property does have center-line.
But only when buffer is in Org mode.
Yet, it is not Org's fault.

The reason you are seeing the horizontal line is org-link face.
org-link has underline. And the "center" line you are seeing is actually
underline coming from the face. I'd say it is emacs bug.

-- 
Ihor Radchenko,
Org mode contributor,
Learn more about Org mode at https://orgmode.org/.
Support Org development at https://liberapay.com/org-mode,
or support my work at https://liberapay.com/yantar92



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