Hi Roger, I see you also started a discussion on the xml dev list: http://lists.xml.org/archives/xml-dev/202202/msg00016.html Oxygen uses the Saxon XSLT processor to run the XPath but it creates a nodes structure using the Xerces parser which various features set to it so running an XPath in Oxygen is most of the times similar to running it inside an XSLT stylesheet (most of the times). 1) About the first example, two text nodes separated by an XML comment.

<root>     abc<!-- aaa -->def </root> even running an XSLT stylesheet returns two text nodes:

<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform"     xmlns:xs="http://www.w3.org/2001/XMLSchema"     exclude-result-prefixes="xs"     version="2.0">     <xsl:template match="root">         <xsl:message>cnt <xsl:value-of select="count(text())"/></xsl:message>     </xsl:template> </xsl:stylesheet> So our XPath results are similar with the XSLT stylesheet's.

<root>     abc<![CDATA[cdata]]>def </root> Indeed the same XSLT stylesheet returns a single text node, so in this case our XPath evaluation (which returns 3 separate notes) is different

The XPath is a sequence of two text nodes. To always return one node, I would probably use this XPath "/root/string-join(text(), '')" instead. 2) About the text and cdata example: than how the Xpath would be evaluated inside an XSLT engine. Probably it's different because to run the XPath and be able to precisely localize the nodes we create the nodes structure instead of delegating the creation to the Saxon XSLT Processor. And in that nodes structure there is a separate node for cdata. Regards, Radu Radu Coravu Oxygen XML Editor On 2/10/22 00:53, Roger L Costello wrote:

Hello Oxygen Team,

The XPath evaluator returns a series of text nodes for a leaf element containing a comment or a CDATA section. That is not correct. The content is a single text node.

Here is a <Test> element whose content is some text, a comment, and more text. The XPath evaluator for /Test/text() returns 2 items, which is not correct. The content of <Test> is a single text node containing all of the text concatenated.

The XPath evaluator erroneously returns 3 items when <Test> contains a CDATA section. Further, there is no such thing as cdata-section node.

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