Added spec for the unicode normalization bug.
Added spec for the unicode normalization bug.

mislav/addressable,107191613/addressable,rkh/addressable,Hacker0x01/addressable,sferik/addressable,EiNSTeiN-/addressable,Envek/addressable,davidbegin/addressable,shaicoleman/addressable,iainbeeston/addressable,sporkmonger/addressable