2009/7/13 Odelya YomTov <[email protected]>:
> But I don't see that it works! Why?

Did you try like this?

<var-value>data.category != \'empty\'</var-value>


Regards
-- 
Lukasz
http://www.lenart.org.pl/
http://dailylog.lenart.org.pl/

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