Re: Inserting a parent node.

It sounds like you want access to other nodes in the tree brought in via the
document function, which of course is possible. Check out the FAQ for this
at:

http://www.dpawson.co.uk/xsl/sect2/N2602.html

Seemed from the FAQ that the union operator was what I needed, but when
I apply that, I get an infinite loop.

<?xml version="1.0"?>
<xsl:stylesheet version="1.0"
     xmlns:xsl="http://www.w3.org/1999/XSL/Transform">

<!-- Output parameters -->
<xsl:output encoding="iso-8859-1"/>
<xsl:output omit-xml-declaration="yes"/>
<xsl:output method="text"/>

<xsl:template match="/">
  <xsl:apply-templates select="group"/>
</xsl:template>

<xsl:template match="group">
  <xsl:apply-templates select="member|person"/>
</xsl:template>

<!-- I expected the select="parent::node() | $content/*"
     to return what corresponds to
     <group><person>Bub</person></group> so the person
     match would have parent::group resolve to true -->
<xsl:template match="member">
  <xsl:variable name="content" select="document(@url)"/>
  <xsl:text> Inifinite loop </xsl:text>
  <xsl:apply-templates select="parent::node() | $content/*"/>
</xsl:template>

<xsl:template match="person">
  <xsl:choose>
    <xsl:when test="parent::group">
      <xsl:text>Yep</xsl:text>
    </xsl:when>
    <xsl:otherwise>
      <xsl:text>Bummer</xsl:text>
    </xsl:otherwise>
  </xsl:choose>
</xsl:template>

input.xml
<group>
  <member url="other.xml"/>
</group>

other.xml
<person>Bub</person>

I think I can solve this with some parameters here and there, eg.
by passing the parent node of the member element as parameter
to the subsequent <apply-templates select="$content/*"/>. Just
wondering if that is the appropriate way.