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base-uri

From: David Carlisle <davidc@nag.co.uk>
Date: Mon, 14 Jan 2002 13:27:47 GMT
Message-Id: <200201141327.NAA04435@penguin.nag.co.uk>
To: www-xml-query-comments@w3.org, xsl-editors@w3.org

According to XSLT 1, every node had a base URI, and in particular could
be used as the second argument to document() to provide the base against
which relative URI references are resolved.

XSLT 2's description of document() refers to the data model for the
base-uri of the node supplied in the second argument.

The data model specifies that the base uri for certain node types
(comment attributes, namespaces, text) is ().

This appears to mean that

document('',@foo)

no longer refers to the document containing the foo attribute but is
(presumably) an error of some kind.

This incompatibility doesn't appear to be listed in appendix J.

Possible fixes would be to extend the data model to let any node have a
base uri, or to define document() so that if the second argument
evaluates to a node that has no base uri, the base uri of that nodes
parent is taken (if that node has a parent....)

David

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Received on Monday, 14 January 2002 08:28:15 GMT

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