+-- | My version of HandsomeSoup's parseHTML.
+my_read :: String -> IOStateArrow s b XmlTree
+my_read = readString my_read_opts
+
+-- | Try to parse the given article using HXT. We try a few different
+-- methods; if none of them work, we return 'Nothing'.
+get_xml_from_article :: String -> IO (Maybe (IOStateArrow s b XmlTree))
+get_xml_from_article s = do
+ article <- real_article_path s
+ is_file <- doesFileExist article
+ case is_file of
+ True -> do
+ contents <- readFile article
+ return $ Just $ my_read contents
+ False -> do
+ -- Download the URL and try to parse it.
+ return Nothing
+