rem: return this;  
add: return this;  
context:   QueryInterface : function(iid)   {     if(iid.equals(Components.interfaces.nsIMsgDBViewCommandUpdater))	    return this;	       throw Components.results.NS_NOINTERFACE;     return null;   }
meta: 10234	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/10234/0b2dd2b2d2fd037df917e07645fa019a963332a5/SearchDialog.js/clean/mailnews/base/search/resources/content/SearchDialog.js