pub fn encode_form_urlencoded(m: &std::hashmap::HashMap) -> ~str
Encode a hashmap to the 'application/x-www-form-urlencoded' media type.
Prefix searches with a type followed by a colon (e.g.
fn:) to restrict the search to a given type.
Accepted types are: fn, mod,
struct (or str), enum,
trait, typedef (or
tdef).