public GMLHandler(GeometryFactory gf,ErrorHandler delegate){
  this.delegate=delegate;
  this.gf=gf;
  stack.push(new Handler(null,null));
}

public GMLHandler ( GeometryFactory gf , ErrorHandler delegate ) { this . delegate = delegate ; this . gf = gf ; stack . push ( new Handler ( null , null ) ) ; }
creates a new handler . allows the user to specify a delegate object for error / warning messages . if the delegate also implements contenthandler then the document locator will be passed on .
