Subject: Re: Root Node does not contain prolog? From: James Clark <jjc@xxxxxxxxxx> Date: Sun, 25 Apr 1999 07:19:19 +0700 |
Elliotte Rusty Harold wrote: > > Section 4.1 of the new XSLT spec, Root Node, states: > > "The root node is the root of the tree. It does not occur anywhere else > in the tree. It has a single child which is the element node for the > document element of the document. That last sentence is a bug. Comments and PIs before and after the document element would also be children of the root. > The value of the root node is the value of the document element." That's defining the term "value" for the root node. It means that <xsl:value-of select="/"/> gives you the same as <xsl:value-of select="doc"/> if doc is the document element. > This would seem to imply that an XSL processor can never access any part > of the prolog including the XML declaration, the xml-stylesheet PI, or > the DTD since these are not children of the root. The xml-stylesheet PI is accessible; the XML declaration and DTD are not. > Furthermore, this > makes an identity transformation impossible. Is this indeed the intent, > here? It depends what you mean by identity transformation. You can do a transformation which gives you the same abstract tree before and after. You cannot do a transformation which gives you a byte for byte identical XML document. That is indeed the intent. James XSL-List info and archive: http://www.mulberrytech.com/xsl/xsl-list
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