rem: compMgr = compMgr.QueryInterface(CI.nsIComponentRegistrar); 
add: compMgr = compMgr.QueryInterface(Ci.nsIComponentRegistrar); 
context:     registerSelf: function (compMgr, fileSpec, location, type) {        debug("*** Registering Lightning text/calendar handler\n");        compMgr = compMgr.QueryInterface(CI.nsIComponentRegistrar);        compMgr.registerFactoryLocation(this.myCID,                                        "Lightning text/calendar handler",                                        this.myContractID,                                        fileSpec,                                        location,                                        type);        var catman = Components.classes["@mozilla.org/categorymanager;1"]            .getService(CI.nsICategoryManager);        catman.addCategoryEntry("simple-mime-converters", "text/calendar",                                this.myContractID, true, true);    },
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/f4cb9e788031164f567230431e6b9aecdcd62f3e/lightningTextCalendarConverter.js/clean/calendar/lightning/components/lightningTextCalendarConverter.js