Thank you Michael, David and Jay for the (once again) quick replies.
Don't you ever sleep?

Jay Bryant wrote:

>To fix it, use a variable that contains the root element (I call those
>"anchor variables"), thus:
>
>  <xsl:template match="src">
>    <xsl:variable name="root" select="/"

I really love that name and concept of an "anchor variable" set to the
document root (not: root element) for a specific document.

Thanks again, 
Christian