Bug 142104 Cannot place data set field on master page
Bugzilla 122419 says this is fixed. I am using RC2, and I can't insert a data set field in the master page header or footer.
UI/org.eclipse.birt.report.designer.ui/src/org/eclipse/birt/report/designer/internal/ui/dnd/InsertInLayoutUtil.java
}
		else if ( insertObj instanceof ScalarParameterHandle )
		{
			return performInsertParameter( (ScalarParameterHandle) insertObj );
		}
		else if ( insertObj instanceof String )
		{
			
			return performInsertString( (String) insertObj, target );
		}
		else if ( insertObj instanceof Object[] )
		{
			return performMultiInsert( (Object[]) insertObj,
					target,
					targetParent );
		}
		else if ( insertObj instanceof IStructuredSelection )
		{
			return performMultiInsert( ( (IStructuredSelection) insertObj ).toArray( ),
					target,
					targetParent );
		}
		return null;
	}
	/**
	 * Creates a object, "Add" operation to layout needs to handle later.
	 * <p>
	 * Must make sure operation legal before execution.
	 * </p>
	 *