rem: try { return getMIMEService().getFromTypeAndExtension(aMIMEType, aExtension); } catch (e) { 
add: if (aMIMEType || aExtension) { try { return getMIMEService().getFromTypeAndExtension(aMIMEType, aExtension); } catch (e) { } 
context: function getMIMEInfoForType(aMIMEType, aExtension){  try {    return getMIMEService().getFromTypeAndExtension(aMIMEType, aExtension);  }  catch (e) {  }  return null;}
meta: 8395	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/8395/af33195dac1df5c31c864971ff63689b5462d93f/contentAreaUtils.js/clean/xpfe/communicator/resources/content/contentAreaUtils.js