mkStringReader :: (ReaderOptions -> String -> Either PandocError Pandoc) -> Reader
mkStringReader r = StringReader (\o s -> return $ r o s)
mkStringReader :: (ReaderOptions -> String -> Either PandocError Pandoc) -> Reader
mkStringReader r = StringReader (\o s -> return $ r o s)
mkStringReader r = StringReader (\o s -> return $ r o s)