Vincent Lefevre <vincent@vinc17.net> writes:

> I've tried the combination of
>
>   ca14dd1d4628094dd33d5d94694dcf5f29e843b8
>   7dab3ee7ab54b3c2e7bc24170376054786c01d6f
>
> and this patch against Debian's current source package.
>
> Emacs no longer hangs, but I get incorrect highlighting,
> for instance on the following XML file.
>
> <root>
> <!-- comment -->
> <a>"a'</a>
> <!-- comment -->
> </root>
>
> Highlighting starts to be wrong at the single-quote character.
> I've attached a screenshot obtained with the -Q option.
>
> Did I miss anything?

Ah, I didn't get the mixed quote handling right.  Here's the fix for master: