CSV output

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I'm using xslt to parse data into a comma-delimted format. For a reason I
can't fathom, the output is coming up with all the data for each row in a
single column. The commas are there, but the spreadsheet isn't delimiting
the text.

Has anyone seen this kind of behavior before? I'm passing in a nodelist
parameter to define the column headings and account for missing nodes in the
data.

<xsl:param name="nodelist"/>
<xsl:output method="text" />

<xsl:template match="/">
<xsl:variable name="ret" select="' '"/>
<xsl:for-each select="$nodelist">
<xsl:value-of select="."/>
<xsl:if test="position() != last()">,</xsl:if>
</xsl:for-each>
<xsl:value-of select="$ret"/>
<xsl:apply-templates select="node()" />
<xsl:value-of select="$ret"/>
<xsl:value-of select="$ret"/>
</xsl:template>

<xsl:template match="*[*[not(*)]]">
<xsl:variable name="mynode" select="node()"/>
<xsl:variable name="ret" select="' '"/>

<xsl:for-each select="$nodelist">
<xsl:variable name="myname" select="."/>
<xsl:call-template name="node-to-cell">
<xsl:with-param name="passNode" select="$mynode"/>
<xsl:with-param name="passName" select="$myname"/>
</xsl:call-template>
<xsl:if test="position() != last()">,</xsl:if>
</xsl:for-each>
<xsl:value-of select="$ret"/>
</xsl:template>

<xsl:template name="node-to-cell">
<xsl:param name="passNode"/>
<xsl:param name="passName"/>
<xsl:for-each select="$passNode">
<xsl:if test="name() = $passName">
<xsl:value-of select="."/>
</xsl:if>
</xsl:for-each>
</xsl:template>