I don't know what the specs say it should do, but, each time the problem 
has bitten me, the behavior was #2.

J




Elliotte Harold <elharo@xxxxxxxxxxxxxxx> 
01/10/2005 01:19 PM
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Subject
 Multiple IDs






I could swear this came up somewhere recently, but right now I can't 
find it. In XPath 1.0, what does the id() function do if there are 
multiple elements in the document with the specified ID? (This is 
possible, even though invalid.) Should it:

1. Report an error?
2. Return the first one in document order?
3. Return a node-set containing all of them?
4. Something else?


-- 
Elliotte Rusty Harold  elharo@xxxxxxxxxxxxxxx
XML in a Nutshell 3rd Edition Just Published!
http://www.cafeconleche.org/books/xian3/
http://www.amazon.com/exec/obidos/ISBN=0596007647/cafeaulaitA/ref=nosim