code: public void setMulti(String attribute, String [] values) {
  	NameOpValue nv = getRelation(attribute);
  	nv.clear();
  	List list = new LinkedList();
  	for (int i=0;i<values.length;i++) {
  	    list.add(new Value(values[i]));
  	}
  	nv.add(list);
      }
docs: Sets the attribute value to the given list of values.
  The list of values is added as a single value.
  
  @param attribute the attribute to set the value of.
  @param values the list of values to add.