.IR format ,
which may be
.B base64
-(standard Base64 encoding, as described in RFC2045; this is the default),
+(standard Base64 encoding, as described in RFC2045; this is the default),
.B file64
(Base64 encoding, with
.RB ` % '
instead of
.RB ` / ',
so the output is suitable for use as a filename),
+.B safe64
+(Base64 encoding, with
+.RB ` - '
+instead of
+.RB ` + ',
+and
+.RB ` _ '
+instead of
+.RB ` / ',
+as specified in RFC3548, as an attempt to achieve the same goal but
+inconveniently using up all the good separator characters),
+.B base32
+(Base32 encoding, as described in RFC2938),
.B hex
(plain hexadecimal encoding), or
.B raw
.SH BUGS
None known.
.SH AUTHOR
-Mark Wooding <mdw@nsict.org>
+Mark Wooding <mdw@distorted.org.uk>