Hello Joris,

> The usage of the 'key()' function and the implementation of 
> the Muenchian grouping is 100% correct.
> The problem is really much easier:
> You do not want <xsl:template match="/"> but instead: 
> <xsl:template match="TipDatabase">

gosh it works. But why? I assumed that "/" equals "TipDatabase" because it
is the root element.

So could you give an explanation why TipDatabase != "/". I think I should go
way back in my basic understanding of XSL concepts... :-(

Anyway thank you very much Joris.

David