RFC 1521 and missing binary Content-Transfer-Encoding in email module

Thu Sep 15 22:19:43 EDT 2005

Why email/Encoders.py is missing binary encoding. It should be there 
according to RFC 1521:

encoding := "Content-Transfer-Encoding" ":" mechanism
    mechanism :=     "7bit"  ;  case-insensitive
                   / "quoted-printable"
                   / "base64"
                   / "8bit"
                   / "binary"
                   / x-token

Would it be difficult to make it up?

A.