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

2010-08-07 11:06:11
According to the syntax in "XML Path Language (XPath) Version 1.0"
(http://www.w3.org/TR/xpath),
a <Step> is either the sequence <AxisSpecifier> <NodeTest> <Predicate>* OR an
 <AbbreviatedStep>. The latter may expand to a '.', therefore, no
predicate after '.'

With self::  node()  [A] you follow the first alternative of the <Step> NT.

-W


On 7 August 2010 17:17, Costello, Roger L. <costello(_at_)mitre(_dot_)org> 
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?

/Roger

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