Subject: Re: [xsl] XSLT 3.0: Question about section 5.6.3 "The Meaning of a Pattern " From: "Michael Kay mike@xxxxxxxxxxxx" <xsl-list-service@xxxxxxxxxxxxxxxxxxxxxx> Date: Wed, 3 Dec 2014 22:56:26 -0000 |
The text is correct, but the typography could be improved. The cited text is (intended to be) within the scope of the clause "Otherwise (the pattern is a selection pattern)...". Selection patterns only match nodes, so if the condition "N is a node" is false, the pattern does not match. Michael Kay Saxonica mike@xxxxxxxxxxxx +44 (0) 118 946 5893 On 3 Dec 2014, at 19:56, Dimitre Novatchev dnovatchev@xxxxxxxxx <xsl-list-service@xxxxxxxxxxxxxxxxxxxxxx> wrote: > In the 2nd Last Call of the XSLT 3.0 specification, section 5.6.3 > "The Meaning of a Pattern": > > http://www.w3.org/TR/2014/WD-xslt-30-20141002/#pattern-semantics > > contains this text: > > > "The meaning of the pattern is then defined in terms of the semantics > of the equivalent expression, denoted below as EE. > > Specifically, an item N matches a pattern P if the following applies, > where EE is the equivalent expression to P: > > 1. N is a node, and the result of evaluating the expression > root(.)//(EE) with a singleton focus based on N is a sequence that > includes the node N > > If a pattern appears in an attribute of an element that is processed > with XSLT 1.0 behavior (see 3.10 Backwards Compatible Processing), > then the semantics of the pattern are defined on the basis that the > equivalent XPath expression is evaluated with XPath 1.0 compatibility > mode set to true." > > Then there follows an example, a paragraph with explanations, and a > note. This ends the section. > > It seems that an intended second case (2) for the case when N is not a > node, is omitted. > > I would appreciate this to be confirmed or if this isn't so, to have > an explanation why a list of one case was included and where in the > spec to find the explanation of the meaning of the second, omitted > case. > > -- > Cheers, > Dimitre Novatchev
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