Using xsl:sequence seems to chop off the ability to reference ancestors
of selected nodes.
Is this working-as-designed?
Here's a quick demo. In this piece of test code, the variable "b" has
no parent, while the variable "a" does:
<xsl:variable name="in">
<e1>
<e2>
<e3>
<e4>yes</e4>
</e3>
</e2>
</e1>
</xsl:variable>
<xsl:template match="anything_to_get_started">
<xsl:variable name="p" select="$in/e1/e2/e3/e4"/>
<xsl:variable name="a" select="$p"/>
<xsl:message select="'parent of a'"/>
<xsl:message select="$a/parent::node()"/>
<xsl:variable name="b">
<xsl:sequence select="$p"/>
</xsl:variable>
<xsl:message select="'parent of b'"/>
<xsl:message select="$b/parent::node()"/>
</xsl:template>
The output using Saxon 8.9
[java] parent of a
[java] <e3><e4>yes</e4></e3>
[java] parent of b
-Marshall Schor
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