Bug 191140 Cross tab - Highlight rule expression does not work
Please refer to the attached report design - I define highlight rule expression on the cross tab item - It fails to apply the rule.
model/org.eclipse.birt.report.model/src/org/eclipse/birt/report/model/metadata/PeerExtensionElementDefn.java
if( propInfo == null )
				continue;
			
			String units = propInfo.getAllowedUnits( );
			boolean isOwn = propInfo.isUseOwnModel( );
			
			ChoiceSet choiceSet = buildChoiceSet( units );
			
			if( choiceSet == null && !isOwn )
				continue;
			
			ElementPropertyDefn defn = (ElementPropertyDefn) cachedProperties
					.get( propName );
			if ( defn == null )
				continue;
			
			ElementPropertyDefn clonedDefn = (ElementPropertyDefn) reflectClass( defn );
			if ( clonedDefn == null )
				continue;
			if( choiceSet != null )
				clonedDefn.allowedChoices = choiceSet;
			clonedDefn.useOwnModel = isOwn;
			cachedProperties.put( propName, clonedDefn );
		}
	}
	/**
	 * build Choice Set.
	 * 
	 * @param units
	 *            units such as 'in,cm'