RE: (2 xpath questions)

[Kay Michael <Michael.Kay@xxxxxxx>]

> > There should never be a "/" (or "file://") at the end of an XPath
> expression. The
> > only exception is the expression "/" which means the root node.
> 
> Ok, should I file a bug with MSXML? It permits a closing "/".

Yes. That's an error and a conformant processor must report it.
> 
> But *why* is "//" an invalid query? What are the rules for 
> validity, and which ones get broken?

It's invalid because it doesn't match any of the productions of the XPath
grammar as defined in the W3C XPath 1.0 Recommendation. (The grammar says
what expressions are allowed, and by implication anything else isn't).

Mike Kay 


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