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Re: question about XPath filter2

From: Joseph Reagle <reagle@w3.org>
Date: Mon, 20 May 2002 17:50:42 -0400
To: Aleksey Sanin <aleksey@aleksey.com>, w3c-ietf-xmldsig@w3.org
Cc: <jboyer@PureEdge.com>, <merlin@baltimore.ie>
Message-Id: <20020520215042.0E4CCF11@policy.w3.org>
On Tuesday 14 May 2002 21:15, Aleksey Sanin wrote:
> In the section 3.4 we compute the S' as follows:
>
>     * Compute the set S' consisting of all nodes in the input document
>       that are either present in S or that have an ancestor in S. This is
>       equal to the union of all the document subtrees rooted by a node in
> S.
>
> Does this mean that
>     1) if the node N is in the nodes set S then S' contains all
> attributes for node N? (expected answer: "yes")

I'd say yes, as the attributes "parent" element node is in S [1].

>     2) if the node N is in the nodes set S then S' contains all
> namespaces defined in the node N? (expected answer: "yes")

Yes again [2].


[1] http://www.w3.org/TR/1999/REC-xpath-19991116#attribute-nodes
 " the element is the parent of each of these attribute nodes; however, an 
attribute node is not a child of its parent element."
[2] http://www.w3.org/TR/1999/REC-xpath-19991116#namespace-nodes
"The element is the parent of each of these namespace nodes; however, a 
namespace node is not a child of its parent element."
Received on Monday, 20 May 2002 17:50:44 GMT

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