Andrew Welch wrote:

> <xsl:if test="some $x in ('Hamburg', 'Koblenz', 'xxx') satisfies
> contains($d/ris:organ/text(), $x)">

  And the OP almost certainly wants the following instead:

    some $x in ('Hamburg', 'Koblenz', 'xxx') satisfies
      contains($d/ris:organ, $x)

  Regards,

-- 
Florent Georges
http://www.fgeorges.org/