Re: [xml-dev] XPath challenge: can you simplify this XPath expression?

[Oliver Hallam <oliver@xqsharp.com>]

My mistake - this does not enforce the condition that there is at least 
one Title or Date.  I should have checked more carefully before posting.


Oliver Hallam wrote:
> If you are going for the minimum number of characters, then this 
> (although not particularly efficient) should work:
>
> deep-equal(Title[1]|Date[1]|Author,*)
>
> or (probably more efficient)
>
> count(Title[1]|Date[1]|Author)=count(*)
>
>
> Oliver Hallam
> http://www.xqsharp.com