[XML-SIG] xpath (4xpath) and CDATA

[Rich Salz]

> This could be a performance nightmare (you'll be amazed how often
> string-value() conversion is done in typical XSLT processing).  Besides, it
> just papers over the one problem, but what about adjacent text/CDATA nodes?
> What about entity reference nodes?

I don't care about entity references right now. :)

Fred and I disagree about the interepretation of the Xpath spec, so for
now my changes just treat a CDATA identically to a text node.

	/r$