bug#61514: 30.0.50; sadistically long xml line hangs emacs

[Eli Zaretskii]

> Cc: "Mark A. Hershberger" <mah@everybody.org>, 61514@debbugs.gnu.org
> Date: Wed, 15 Feb 2023 19:52:09 +0800
> From:  Po Lu via "Bug reports for GNU Emacs,
>  the Swiss army knife of text editors" <bug-gnu-emacs@gnu.org>
> 
> Now, people will think we will not fix bugs in nxml.

Please cool down.  No one said this is not a bug we'd like to fix.