GNU bug report logs - #63531
[PATCH] View DICOM and Sixel images using image-convert

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From: Antero Mejr <antero <at> mailbox.org>
To: Eli Zaretskii <eliz <at> gnu.org>
Cc: 63531 <at> debbugs.gnu.org
Subject: bug#63531: [PATCH] View DICOM and Sixel images using image-convert
Date: Tue, 16 May 2023 17:38:06 +0000

Antero Mejr <antero <at> mailbox.org> writes:

> Eli Zaretskii <eliz <at> gnu.org> writes:
>
>>> Date: Mon, 15 May 2023 23:30:13 +0000
>>> From:  Antero Mejr via "Bug reports for GNU Emacs,
>>>  the Swiss army knife of text editors" <bug-gnu-emacs <at> gnu.org>
>>> 
>>> These patches add .dcm and .six to auto-mode-alist, so they can be
>>> viewed with image-convert. The Six patch also adds SIX as an ImageMagick
>>> type.
>>
>> Do we want to include their support in Emacs?  AFAIU, these aren't
>> free formats.
>
> I'm not an lawyer but to the best of my knowledge neither format has any
> sort of licensing, trademark, or patent encumberances.
>
> DICOM is free to implement and view without licenses. The specification
> is available online but the spec itself is copyright of NEMA. It's a
> metadata wrapper over JPEG mainly.
>
> I think the Sixel "format" is more of a simple convention than a formal
> specification with licenses, patents, etc. Implementations use the DEC
> VT330 manual as a "spec" I guess.
>
>> And since supporting them boils down to customizing
>> auto-mode-alist, why cannot users do that themselves?
>
> For usability I think it's good for things to (mostly) work out of the
> box.

Forgot to CC the mailing list, sorry.

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