Attributes and namespaces
shawn at activated.com
Mon Sep 27 22:52:06 BST 1999
The motivation for my question was this xsl (partial) example:
<xsl:attribute-set name="set2" use-attribute-sets="set3">
the "use-attribute-sets" attribute, if it belongs to no namespace cannot
then be interpreted as including the "set3" attribute-set within
"set2". However, a few of the popular XSL processors go ahead and
interpret it as belonging to the xsl namespace, including "set3".
The xsl spec mentions specifically that use-attribute-sets is an
attribute from the xsl namespace.
John Cowan wrote:
> Shawn Silverman scripsit:
> > To which namespace does the "href" attribute in the "html:a" tag
> > belong? To the same one as its parent? "html:"?
> Neither. Attribute names with colons belong to the namespace specified
> by their prefix, but attribute names without colons are not subject
> to namespace rules: they just have to be unique within their element
> type, and have no connection to other element types or namespaces at all.
> > To which namespace does the "myatt" attribute belong? The spec says
> > that the default namespace doesn't apply, however from question 1, we
> > can infer that attributes take on the namespace of their parents. I'm
> > assuming, though, that "myatt" belongs to no namespace. What shall I
> The same answer. There is no such thing as a default namespace for
> attributes, because unprefixed attributes (unlike unprefixed elements)
> can never belong to the namespace system.
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