bug#56482: 29.0.50; shr displays <![if !supportLists]>...<![endif]> literally instead of dropping the tags

[Justus-dev]

Lars Ingebrigtsen <larsi@gnus.org> wrote on Mon, 11 Jul 2022 13:12:47
+0200:

> Visuwesh <visuweshm@gmail.com> writes:

>>     Package: libxml2
>>     Version: 2.9.14+dfsg-1
>
> Version: 2.9.13+dfsg-1ubuntu0.1 here...
>
> It definitely sounds like a libxml2 issue, but it's odd that the newer
> version has the problem, while the older one doesn't have it.

Indeed this seems to be a libxml2 regression! I downgraded my libxml to
libxml2-2.9.13-2 (Arch Linux), and the tags are omitted as they should
be. I re-upgraded to the current libxml2-2.9.14-1, and the problem is
back.