rem: var vManager = this.getManager(); if (vManager) { vManager.removeCommand(this); 
add: var vMgr = qx.event.handler.EventHandler.getInstance(); if (vMgr) { vMgr.removeCommand(this); 
context: qx.Proto.dispose = function(){  if (this.getDisposed()) {    return;  }  this._shortcutParts = null;  var vManager = this.getManager();  if (vManager) {    vManager.removeCommand(this);  }  return qx.core.Target.prototype.dispose.call(this);}
meta: 1005	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/1005/98758a15e456780adf70acba294780f45bbbe9f6/Command.js/buggy/qooxdoo/frontend/framework/source/class/qx/client/Command.js