[det]www_form_encode(+Value,
-XWWWFormEncoded)alnum (see code_type/2)),
and one of "-._~" using percent encoding. Newline is mapped
to %OD%OA. When decoding, newlines appear as a single
newline (10) character.
Note that a space is encoded as %20 instead of +.
Decoding decodes both to a space.
- deprecated
- Use uri_encoded/3 for new code.