Subject: RE: [xsl] XSLT 2.0 empty string|
From: "Andrew Welch" <ajwelch@xxxxxxxxxxxxxxx>
Date: Mon, 28 Feb 2005 17:29:41 -0000
> > What role does the 'as' attribute play when you get an > empty sequence? > > yes as Michael commented in his original reply, if the select > expresssion returns () (because the node isn't there) then if > you specify that is of type xs:string? you get () as the ? > specifically allows that outcome. If on the other hand you'd > have said as="xs:string" then you'd have got a type error as > you can't atomize () to get a string. Yes, I read that after posting my last message. That certainly clears it up though, thanks.