bug#33887: 26.1; Emacs hangs for several seconds when going to the end of an XML file in nXML mode

[Noam Postavsky]

Vincent Lefevre <vincent@vinc17.net> writes:

> There's an issue with the following XML file:
>
> <root>
> <a>don't</a>
> <a>text</a>
> <a>></a>
> <a>don't</a>
> <a>text</a>
> </root>
>
> where highlighting becomes wrong starting at the second '.
>
> However, even though > is valid, I normally use &gt; instead.

Hmm, I can't see a way to handle this case without making the
syntax propertizing slow again.  Stefan, any ideas?