% cf. http://github.com/sporkmonger/addressable (spec/addressable/idna_spec.rb)

{input, "www.In\314\203te\314\210rna\314\202tio\314\202na\314\200liz\303\246ti\303\270n.com"}.

{output, "www.xn--itrntinliztin-vdb0a5exd8ewcye.com"}.
