rem: return getMIMEService().getFromTypeAndExtension(aMIMEType, null); 
add: return getMIMEService().getFromTypeAndExtension(aMIMEType, aExtension); 
context: function getMIMEInfoForType(aMIMEType){  try {      return getMIMEService().getFromTypeAndExtension(aMIMEType, null);  }  catch (e) {  }  return null;}
meta: 10234	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/10234/4be5428fb1ee1c79cef4a01b4d421e17b579dd26/contentAreaUtils.js/clean/xpfe/communicator/resources/content/contentAreaUtils.js