RE: [xml-dev] Question for updating existing XML file

["Michael Kay" <michael.h.kay@ntlworld.com>]

> 
> > Another proposal that has been made is to allow 
> user-defined axes. I quite
> > like that idea, but there seem to be others who hate it.
> 
> Hm. This sounds interesting. I remember Henry Thompson spoke about
> this, too. How would the user axes be implemented, as an alias to a
> user-defined function?
> 

Yes, I see it simply as syntactic sugar for invoking a function with the
signature f(node()) -> node()*.

Michael Kay