cmd.remove( content, slotID, true );
cmd.remove( content.getElement( ), slotID, true );
	public void drop( int posn ) throws SemanticException	{		DesignElement content = getElement( ).getSlot( slotID ).getContent(				posn );		ContentCommand cmd = new ContentCommand( getModule( ), getElement( ) );		cmd.remove( content, slotID, true );	}