code: function mxTerminalChange(model, cell, terminal, source)
  {
  	this.model = model;
  	this.cell = cell;
  	this.terminal = terminal;
  	this.previous = terminal;
  	this.source = source;
  }
docs: Class: mxTerminalChange
  
  Action to change a terminal in a model.
  
  Constructor: mxTerminalChange
  
  Constructs a change of a terminal in the
  specified model.