rem: compMgr.unregisterFactoryLocation(LAYOUTATEST_CMDLINE_CLSID, fileSpec); 
add: compMgr.unregisterFactoryLocation(REFTEST_CMDLINE_CLSID, fileSpec); 
context:   unregisterSelf : function(compMgr, fileSpec, location)  {    compMgr = compMgr.QueryInterface(nsIComponentRegistrar);    compMgr.unregisterFactoryLocation(LAYOUTATEST_CMDLINE_CLSID, fileSpec);    catman = Components.classes[CATMAN_CONTRACTID].getService(nsICategoryManager);    catman.deleteCategoryEntry("command-line-argument-handlers",                               "reftest command line handler", true);    catman.deleteCategoryEntry("command-line-handler",                               "m-reftest", true);  },
meta: 10234	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/10234/7b198df002935bbb5c883ca7691ec65a6963c624/reftest-cmdline.js/clean/layout/tools/reftest/reftest-cmdline.js