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: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/91c3955b9340f95a4e3948bc7233df2a820efcdf/overrideHandler.js/buggy/xpfe/components/prefwindow/resources/content/overrideHandler.js