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Re: [xsl] [XPath 1.0] Why is .[A] illegal but self::node()[A] is legal?

2010-08-07 12:01:42
On 07/08/2010 16:17, Costello, Roger L. wrote:
Hi Folks,

Why is this XPath 1.0 expression illegal:

    .[A]

whereas this XPath 1.0 expression is legal:

    self::node()[A]


Isn't '.' a shorthand for 'self::node()'?  Shouldn't I be able to interchange 
the two in any expression?


I think the most likely explanation is that disallowing .[A] in XPath 1.0 was an unintentional mistake, an unforseen consequence of the way the grammar rules were written. At any rate, I never encountered anyone who put forward a rationale for it, or who suggested that it was a deliberate design choice.

Michael Kay
Saxonica

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