public void remove(String attrName,String delValue){
  int index=indexOf(attrName);
  if (index != -1) {
    Attr attr=(Attr)_attrs.get(index);
    attr.removeValue(delValue);
    if (attr.size() == 0) {
      _attrs.remove(index);
    }
  }
}

public void remove ( String attrName , String delValue ) { int index = indexOf ( attrName ) ; if ( index != - 1 ) { Attr attr = ( Attr ) _attrs . get ( index ) ; attr . removeValue ( delValue ) ; if ( attr . size ( ) == 0 ) { _attrs . remove ( index ) ; } } }
remove a specified value for an attribute in the set
