add: break; case this.ROOT_KEY_CURRENT_USER: root = "HKEY_CURRENT_USER"; 
context:   toString: function() {    var root;    switch (this._root) {    case this.ROOT_KEY_LOCAL_MACHINE:      root = "HKEY_LOCAL_MACHINE";      break;    default:      LOG("unknown root key");      return "";    }    return root + "\\" + this._path;  }
meta: 5459	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/5459/fb1ff7a770f3422165b4470d5f188d077b72d85c/nsPostUpdateWin.js/clean/toolkit/mozapps/update/src/nsPostUpdateWin.js