> The variable now holds
> the entire expression, not just a list of single literals.

It doesn't hold the expression: it holds the _value_ (ie node set)
obtained by evaluating that expression at the point you have
the xsl:variable. this might be a different value than would have been
obtained by evalutaing the expression at the point you now use
$myOPTypeList

David

_____________________________________________________________________
This message has been checked for all known viruses by Star Internet delivered
through the MessageLabs Virus Control Centre. For further information visit
http://www.star.net.uk/stats.asp

 XSL-List info and archive:  http://www.mulberrytech.com/xsl/xsl-list