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

[Gregory Heytings]

> > The patch to xmltok.el has just been pushed to emacs-29 (0eddfa28eb), 
> > and I'm therefore closing this bug.
>
> Thanks, but shouldn't we limit the END argument of with-restriction to 
> not exceed (point-max)?  I see no protection from this anywhere in the 
> subroutines called by with-restriction.

Good catch, thanks!  Now fixed (11592bcfda).