• From: "Oleg A. Paraschenko" <olpa@x...>
• To: "Michael Kay" <mike@s...>
• Date: Tue, 13 Mar 2007 07:36:02 +0300

Hello Michael, David, Bjoern,

thanks for pointing that the principal node type for the self axis is
"element", not "anything". Reading XPath specification, I found:

> the self axis contains just the context node itself

and didn't scroll down to check the section "Node Tests" carefully.
My fault.


On Mon, 12 Mar 2007 11:55:41 -0000
"Michael Kay" <mike@s...> wrote:

> > I thought that the following XPath steps are equivanent:
> > 
> > something[name()='lalala']
> > something[self::lalala]
> > 
> > However, it isn't so.
>   <snip/>
> > Why does it so?
> 
> A NameTest used in a step of a path expression selects nodes of the
> principal node kind for the axis used in that step. The principal node
> kind for the self axis is "element". A well-known gotcha (well-known to
> those who know it, anyway). In 2.0 you can write
> self::attribute(lalala).
> 
> Michael Kay
> http://www.saxonica.com/ 
> 
> 
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-- 
Oleg Parashchenko  olpa@ http://xmlhack.ru/  XML news in Russian
http://uucode.com/blog/  Generative Programming, XML, TeX, Scheme
http://olpa.livejournal.com/

• References:
  • "self" axis for an attribute context node
    • From: "Oleg A. Paraschenko" <olpa@x...>
  • RE: "self" axis for an attribute context node
    • From: "Michael Kay" <mike@s...>