RE: output node-set

>  <xsl:template match="path">
>  <xsl:for-each select="*">
> <xsl:choose>
> 
>  <xsl:when test="'self::dig'">
>  <xsl:copy-of select="dig[node()]"/>
>  </xsl:when>
> 
> <xsl:when test="'self::nondig'">
>  <xsl:copy-of select="nondig[node()]""/>
>  </xsl:when>
> 
> <xsl:when test="'self::CCTo'">
> <CCTo />
>   </xsl:when>
> 

XSLT provides an apply-templates instruction so you don't have to do this.
Replace this by:

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

<xsl:template match="dig">
  <xsl:copy-of select="."/>
</xsl:template>

etc.

Michael Kay
http://www.saxonica.com/