> <xsl:template match="/">
>   <xsl:if test=".//E1">
>    <xsl:apply-templates select=".//E1"/>
>   </xsl:if>
>   <xsl:if test=".//E2">
>    <xsl:apply-templates select=".//E2"/>
>   </xsl:if>
>  </xsl:template>

This can be rewritten much more efficiently as:

 <xsl:template match="/">
    <xsl:apply-templates select="//E1"/>
    <xsl:apply-templates select="//E2"/>
 </xsl:template>

> 
> 
> <xsl:template match="E1">
>     <xsl:element name="D1">
>             copy sourc elements
>     </xsl:element>
>  </xsl:template>
> 
> <xsl:template match="E2">
>     <xsl:element name="D2">
>             copy sourc elements
>     </xsl:element>
>  </xsl:template>
> 
> 
> 
> One output should be with the namespace and the other without :

Instead of <xsl:element name="D2">...</xsl:element>, write

<D2 xsl:exclude-result-prefixes="m">...</D2>

Mike Kay
 

 XSL-List info and archive:  http://www.mulberrytech.com/xsl/xsl-list