Andreas Jaeger <aj(a)suse.de&gt; writes: The function `rfc2047-q-encode-region' calls `quoted-printable-encode-region' with for arguments, while the latter accepts only 2: ------------------------------------------------------------------------------- (quoted-printable-encode-region START END) Documentation: Encode current region by quoted-printable. START and END are buffer positions. This function calls internal quoted-printable encoder if size of region is smaller than `quoted-printable-internal-encoding-limit', otherwise it calls external quoted-printable encoder specified by `quoted-printable-external-encoder'. In this case, you must install the program (maybe mmencode included in metamail or XEmacs package). ------------------------------------------------------------------------------- This causes errors when sending in KOI8-R charset, for example. Nick.