- Add the pair (header, param) to a list of headers parameters to
- decode; initially the list contains header "Content-Type",
- parameter "name" and header "Content-Disposition", parameter
- "filename".
+ Add the parameters(s) to a list of headers parameters to decode;
+ the parameters will be decoded only for the given header(s).
+ Initially the list contains header "Content-Type", parameter "name";
+ and header "Content-Disposition", parameter "filename".