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Re: Canonicalization xml:base processing

From: Richard Tobin <richard@inf.ed.ac.uk>
Date: Tue, 30 May 2006 19:21:27 +0100 (BST)
To: Konrad Lanz <Konrad.Lanz@iaik.tugraz.at>, Richard Tobin <richard@inf.ed.ac.uk>
Cc: "Grosso, Paul" <pgrosso@ptc.com>, public-xml-core-wg@w3.org
Message-Id: <20060530182127.994956D6DB6@macintosh.inf.ed.ac.uk>

> The question is what does "current document" mean in the above and in 
> combination with an xml:base attribute supplied?

I think it's likely that the case of xml:base="" was not considered
when the spec was written, so I don't think we can determine this
from the spec.

> """
> The base URI for a URI reference appearing in an |xml:base| attribute is 
> the base URI of the parent element of the element bearing the |xml:base| 
> attribute, if one exists within the document entity or external entity, 
> otherwise the base URI of the document entity or external entity 
> containing the element.
> """

The question is not what the base URI is for resolving the xml:base
attribute, but how the resolution is done.  If the xml:base attribute
is interpreted as a relative URI even when it is the empty string,
then it resolves to the containing document whatever the parent
element's base URI is.

-- Richard
Received on Tuesday, 30 May 2006 18:21:54 UTC

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