Returns a quoted printable string created according to » RFC, section 6. The error causes a text containing period character( s), when passed through these functions, end up with encoded lines starting with a period character, the first period character on that. 2) continuation of lines with no whitespace is broken / *. An online, on- the- fly ` Quoted- Printable` encoder/ decoder. Content- Transfer- Encoding: quoted- printable is not allowed in multipart/ headers. It' s arguably a. + / / Returning an error here avoids confusion trying to apply + / / quoted- printable decoding to the body. qprint: Encode and Decode Quoted- Printable Files. character set) which cannot be encoded as 7- bit ASCII or are non- printable characters which may confuse mail transfer agents. - n, - - noerrcheck: Suppress error checking when decoding.