RE: [F&O] C.2.3 eg:value-except

I would also think that if eg:union and eg:intersect remove duplicates, then
eg:except should do the same. So perhaps putting distinct-values() into this
one is the answer.

Michael Kay

> -----Original Message-----
> From: David Carlisle [mailto:davidc@nag.co.uk] 
> Sent: 17 November 2003 15:57
> To: public-qt-comments@w3.org
> Subject: [F&O] C.2.3 eg:value-except
> 
> 
> 
> 
> The description (possibly copied from C.2.1 eg:value-union) says
>  
> " ...in an undefined order."
> 
> However both the xslt and xquery implementations given 
> preserve the input order. Either the phrase should be dropped 
> or fn:unordered() should be used in the implementations.
> 
> The equivalent comment in C.2.1 does not have this problem as 
> there the implementations use fn:distinct-values() so do 
> return things in an 
> an implementation dependent (rather than undefined) order.
> 
> David
> 
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