Vincent Lefevre <vincent@vinc17.net> writes:

> There's still an issue. On the following XML file
>
> <root>
> <a>text</a>
> <!-- ' -->
> <a>text</a>
> </root>
>
> the part after the comment <!-- ' --> is highlighted as a comment.

> And another one:
>
> <root>
> <a>text</a>
> <!-- "don't" -->
> <a>text</a>
> </root>
>
> The second text is highlighted as a comment.

Right, this is a collision between the syntax rules.  The following
patch fixes it, though perhaps it would be better to just search for the
end of the comment in the ("\\(<\\)!--" (1 "< b")) rule instead?