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bug#42521: 28.0.50; Can't include an image in a display string
From: |
Eli Zaretskii |
Subject: |
bug#42521: 28.0.50; Can't include an image in a display string |
Date: |
Sat, 25 Jul 2020 08:54:48 +0300 |
severity 42521 wishlist
thanks
> From: Dmitry Gutov <dgutov@yandex.ru>
> Date: Fri, 24 Jul 2020 22:40:02 +0300
>
> (progn
> (erase-buffer)
> (insert " ")
> (setq o (make-overlay (point-min) (point)))
> (overlay-put o 'display
> (concat (propertize " " 'display
> (create-image "splash.svg" nil nil
> :max-height
> (default-font-height)))
> " text after image")))
>
> The script above will end with a blank space instead of an image being
> displayed.
This is a documented limitation of the current design and
implementation of the 'display' property. The ELisp manual says:
‘STRING’
Display STRING instead of the text that has this property.
Recursive display specifications are not supported—STRING’s
‘display’ properties, if any, are not used.
I never looked into lifting this restriction, so I don't know what
would that entail. There are probably some complications with faces,
at least. If someone wants to study the issue, that'd be welcome, I
think.