> So:
> 
> <xsl:variable name="board" select="('1, 2, 3')" as="xs:integer+"/>
> 
> becomes:
> 
> <xsl:param name="board" .... as="xs:integer+"/>
> 
> But this fails as the passed in value is typed as a String.  How do
> you get from the String "1, 2, 3" to the typed sequence (1, 2, 3) ?
> 

You use tokenize($board, ',\s*').

But why make it a string in the first place, why not write it as 

  select="1, 2, 3"

Michael Kay
http://www.saxonica.com/