On Wed, 11 Jun 2003, G. Ken Holman wrote:

> At 2003-06-11 16:38 -0400, Robert P. J. Day wrote:
> >   //sales[string(number(current()))='NaN']
> >
> >just to make sure, i'm assuming the "current()" part is
> >redundant, since number() will use the string-value of the
> >context node if there is no argument.  do i understand
> >that correctly?
> 
> No, I'm afraid you don't.  The current() function returns the node that was 
> the current node at the beginning of the XPath evaluation ... which could 
> be anywhere given this example XPath expression is starting at the root.

ah, got it.  i suspected there was something happening there i was
missing.

rday


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