Subject: RE: [xsl] Should You Comment XSLT And If So, How? From: David N Bertoni/Cambridge/IBM <david_n_bertoni@xxxxxxxxxx> Date: Tue, 18 Feb 2003 23:09:03 -0800 |
Ryan Gallagher <binerman@xxxxxxxxxxxxxxxxxxxxx> wrote: > Use XML TAGS in your xsl... > > <doc type="variable"> > <desc>This variable is for X</desc> > </doc> > <xsl:variable name="foobar" select="Hello World!"/> > > <doc type="template"> > <desc type="short">This template does foo.</desc> > <desc type="long">I'm the verbose desc...</desc> > </doc> > <xsl:template match="foo"> > ... > </xsl:template> Your example is illegal because top-level elements may not have a null namespace URI: http://www.w3.org/TR/xslt#stylesheet-element "In addition, the xsl:stylesheet element may contain any element not from the XSLT namespace, provided that the expanded-name of the element has a non-null namespace URI. The presence of such top-level elements must not change the behavior of XSLT elements and functions defined in this document; for example, it would not be permitted for such a top-level element to specify that xsl:apply-templates was to use different rules to resolve conflicts. Thus, an XSLT processor is always free to ignore such top-level elements, and must ignore a top-level element without giving an error if it does not recognize the namespace URI." > If you like you can even give your comments a namespace and DTD, but from what > i've read/understand anything not in the xsl namespace will be safely ignored > outside of templates. Inside templates i'm not positive, but namespaces would > certainly resolve the conflicts. Such elements inside templates won't work because they are literal result elements and will be copied to the result tree: <xsl:template match="/" xmlns:doc="http://mycompany.com/doc"> <doc:doc type="something"> </doc:doc> </xsl:template> Other top-level elements may not allow children, may restrict what sort of children are allowed, or will consider elements not in the XSLT namespace as literal result elements. Dave XSL-List info and archive: http://www.mulberrytech.com/xsl/xsl-list
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