bug#44065: 28.0.50; SVG image not shown completely

[Stephen Berman]

On Sun, 18 Oct 2020 20:03:25 +0300 Eli Zaretskii <eliz@gnu.org> wrote:

>> From: Lars Ingebrigtsen <larsi@gnus.org>
>> Cc: "Sheng Yang" <styang@fastmail.com>,  44065@debbugs.gnu.org
>> Date: Sun, 18 Oct 2020 18:24:58 +0200
>>
>> Eli Zaretskii <eliz@gnu.org> writes:
>>
>> > Does anyone else succeed in reproducing the problem?
>>
>> The svg image is cropped for me (Debian bullseye) to the right in Emacs
>> 28.
>
> By "cropped" do you mean that the rightmost closing parenthesis is
> only partially visible?  If so, I see the same, but Emacs 27 and
> Emacs 26.3 show the same "cropping", whereas the OP says the problem
> started happening at some recent commit to master.
>
>> Firefox displays it correctly, but Imagemagick display refuses to
>> show the image:
>>
>> larsi@xo:~/src/emacs/trunk$ display /tmp/1.svg
>> display-im6.q16: must specify image size
>> `/tmp/magick-GeZIabcfFHYCvUwmkbtM-oODO_uzDIU-' @
>> error/mvg.c/ReadMVGImage/186.
>
> So is the conclusion that the image is faulty in some way, and we are
> looking at "undefined behavior" of some kind?

I see what the OP reports: the image is cropped on the right -- the
closing `)' --  and the bottom -- `i-1' in master but not in emacs-27,
see the attached picture.

Steve Berman

1.png
Description: PNG image