[xsl] Counting only some children of a node

[Christian Cäsar <caesar@xxxxxxxxxxxx>]

Hello list,

consider this XML source:

<somenode>
 <Tabelle>
  <Spalte>
    <Text>
      <Neutral>sometext</Neutral>
    </Text>
  </Spalte>
  <Spalte>
    <Text>
      <Neutral>sometext</Neutral>
    </Text>
  </Spalte>
  <Spalte>
    <Text/>
  </Spalte>
 </Tabelle>
</somenode>

Some 'Text' Elements may have a child and values, others don't. I want 
to count the number of 'Spalte' Elements that have 'Text' elements with
a child. The actual XML has more 'Spalte' elements.

I tried

  count(descendant::Tabelle/Spalte[/Text/*]) and
  count(descendant::Tabellenheader/Spalte[/Text/text()])

but that was (obviously) wrong (I got 0), as is

  count(descendant::Tabelle/Spalte)

that got me (number of 'Spalte' Elements). I know I must be
quite close to the solution, but I seem not to be able to see it.

If it is important: I am using Xalan.

Greetings,

Christian Caesar

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