Test Cases for HTTP Content-Disposition header field (RFC 6266) and the Encodings defined in RFCs 2047, 2231 and 5987 Please send feedback to julian.reschke@gmx.de. Related Reading Header Encoding RFC 2047 -- "MIME (Multipurpose Internet Mail Extensions) Part Three: Message Header Extensions for Non-ASCII Text" RFC 2231 -- "MIME Parameter Value and Encoded Word Extensions: Character Sets, Language