Subject: bug#63232: 28.1; image-converter may fail to display archived images

From: [email-masked]
Date: Tue, 02 May 2023 23:09:14 +0900

Eli Zaretskii <[email-masked]> writes:

>> From: [email-masked]
>> Date: Tue, 02 May 2023 17:10:20 +0900
>> 
>> 
>> If a WEBP image is archived in a ZIP archive,
>> when opening the image with archive-mode,
>> the subfile buffer of the WEBP image is opened as a multibyte buffer.
>> So image-converter fails to display the image.
>> Sometimes a wrong image is displayed, otherwise the buffer is not
>> recognized as an image.
>
> Emacs 29 support WebP images natively, so there's no need for
> image-converter and the problem doesn't happen.
>
> Patches to have this solved with image-converter when WebP is not
> supported natively are welcome.

This bug applys not only to WEBP format, but also other binary image
formats which are supported by image-converter, such as ICO.