rem: return validateFileName(aDefaultFileName); 
add:  return validateFileName(aDefaultFileName); 
context: function getDefaultFileName(aDefaultFileName, aNameFromHeaders, aDocumentURI, aDocument){  if (aNameFromHeaders)    return validateFileName(aNameFromHeaders);  // 1) Use the name suggested by the HTTP headers  try {    var url = aDocumentURI.QueryInterface(Components.interfaces.nsIURL);    if (url.fileName != "")      return url.fileName;                      // 2) Use the actual file name, if present  } catch (e) {    // This is something like a wyciwyg:, data:, and so forth    // URI... no usable filename here.  }    if (aDocument && aDocument.title != "")     return validateFileName(aDocument.title)    // 3) Use the document title  if (aDefaultFileName)    return validateFileName(aDefaultFileName);  // 4) Use the caller-provided name, if any  return aDocumentURI.host;                     // 5) Use the host.}
meta: 5872	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/5872/d18daed50a583bf6c01da64402367b03f8ec2d9d/contentAreaUtils.js/buggy/suite/common/contentAreaUtils.js