Ignoring namespaces, it's:

<xsl:copy-of select="/AllUnitInfos/UnitInfos/UnitInfo[Type =
document('selection.xml')/UnitInfos/Type"/>

In 2.0, specify xpath-default-namespace="Animals".

In 1.0, prefix each name in the expression above with "a:" and bind
xmlns:a="Animals" in the stylesheet.

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

> 
> 
> Input file:
> 
> <AllUnitInfos xmlns="Animals">
> 	<UnitInfos>
> 		<UnitInfo>
> 			<Class>UNITCLASS_LION</Class>
> 			<Type>UNIT_LION</Type>
> 			<bla/>
> 		</UnitInfo>
> 		<UnitInfo>
> 			<Class>UNITCLASS_CAT</Class>
> 			<Type>UNIT_CAT</Type>
> 			<bla/>
> 		</UnitInfo>
> 		<UnitInfo>
> 			<Class>UNITCLASS_WOLF</Class>
> 			<Type>UNIT_WOLF</Type>
> 			<bla/>
> 		</UnitInfo>
> 		<UnitInfo>
> 			<Class>UNITCLASS_DOG</Class>
> 			<Type>UNIT_DOG</Type>
> 			<bla/>
> 		</UnitInfo>
> 	<UnitInfos>
> </AllUnitInfos>
> 
> 
> 
> My Selection list:
> 
> <UnitInfos xmlns="Animals">
> 	<Type>UNIT_LION</Type>
> 	<Type>UNIT_DOG</Type>
> </UnitInfos>
> 
> 
> According to my selection List, I would like to copy all 
> UnitInfo elements with their children that have a type 
> element which is listed in
> the small list above.   
> 
> 
> Output should be this:
> 
> <AllUnitInfos xmlns="Animals">
> 	<UnitInfos>
> 		<UnitInfo>
> 			<Class>UNITCLASS_LION</Class>
> 			<Type>UNIT_LION</Type>
> 			<bla/>
> 		</UnitInfo>
> 		<UnitInfo>
> 			<Class>UNITCLASS_DOG</Class>
> 			<Type>UNIT_DOG</Type>
> 			<bla/>
> 		</UnitInfo>
> 	<UnitInfos>
> </AllUnitInfos>
> 
> 
> The list above could be placed in a file or anywhere that 
> would make it possible/easier.  
> 
> Many thanks for any idea,
> Houman
> 
> 
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