Subject: [xsl] MSXML and name() on namespace nodes From: Mike Brown <mike@xxxxxxxx> Date: Sat, 17 Feb 2001 23:34:49 -0700 (MST) |
I noticed what I believe is a minor bug in MSXML3. While playing with the ASCII stylesheet viewer, I was comparing the output from XML4J+Saxon against the output from MSXML3 in IE5, and noticed one difference, aside from the expected whitespace stripping that occurs in the MS DOM builder. The name() function, when the current node is a namespace node, returns in MSXML3 'xmlns' or 'xmlns:someprefix', whereas in Saxon it returns just '' or 'someprefix'. I believe Saxon is correct and MSXML3 is in error. Quoting XPath 1.0, section 4.1, "The name function returns a string containing a QName representing the expanded-name of the node [...] An implementation may include information about the original prefix in its representation of nodes; in this case, an implementation can ensure that the returned string is always the same as the QName used in the XML source" ...This make me think yeah, MSXML is allowed to tell us what was in the source XML, and I guess that in the case of namespace nodes, seeing the 'xmlns' would be OK. *But* right after that paragraph, XPath says: "NOTE: The string returned by the name function will be the same as the string returned by the local-name function except for element nodes and attribute nodes" So, when we combine that with this: "A namespace node has an expanded-name: the local part is the namespace prefix (this is empty if the namespace node is for the default namespace); the namespace URI is always null" then it follows that local-name() would return for a namespace node just the namespace prefix or an empty string, and that the NOTE above would mean that name() cannot return the 'xmlns'... thus MSXML3 is in error. - Mike ____________________________________________________________________ Mike J. Brown, software engineer at My XML/XSL resources: webb.net in Denver, Colorado, USA http://skew.org/xml/ XSL-List info and archive: http://www.mulberrytech.com/xsl/xsl-list
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