RE: simple question regarding xsl:key and value calcul

> > 
> > So the value of key('k', 'Jane') is the set containing book 
> id=1 and 
> > book id=3.
> > 
> > Is that clearer?
> 
> i had assumed the above.  what seemed confusing to me was the 
> reference to "the" key, which threw me until i realized that, 
> when you write that "each element contributes one value to 
> the key", what that meant was that each element contributed 
> another (N,V) pair to the key.
> 
> it was just the reference to "the key" and "that node" that 
> confused me into thinking that, somehow, a node-set generated 
> one and only one value for the expression.
> 
> just to be pedantic, what do you mean when you refer to "the key" in 
> that first bullet point on p. 243?

I'm using the word fairly interchangeably (as people do) to mean "the
definition of the index", "the index", and "an entry in the index".

I'm trying to be more pedantic about distinguishing terms in the actual
XSLT spec ("sort key" suffers even worse problems), but it's a difficult
thing to get right - make it too rigorous, and you can boggle the
reader's mind with subtle distinctions between closely related concepts.

Michael Kay


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