rem: if (!this.mUpdateMode) assertMIMEStuff(APP_URI(this.mimeType), "path", aAppPath); else changeMIMEStuff(APP_URI(this.mimeType), "path", aAppPath); 
add: changeMIMEStuff(APP_URI(this.mimeType), "path", aAppPath); 
context:   set appPath(aAppPath)  {    if (!this.mUpdateMode)      assertMIMEStuff(APP_URI(this.mimeType), "path", aAppPath);    else      changeMIMEStuff(APP_URI(this.mimeType), "path", aAppPath);  },
meta: 10234	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/10234/044609b7cc675f4448d4c8add63eb0a4333afdfe/overrideHandler.js/buggy/suite/common/pref/overrideHandler.js