.ta \w'\-crlflinebreaks 'u
\-decodetext base64 and quoted-printable encoded text parts
\-decodetypes limits parts to which -decodetext applies
-\-crlflinebreaks text parts
+\-crlflinebreaks text parts
\-textcharset text/plain parts
\-reformat text parts that are not text/plain
\-fixboundary outermost multipart part