Binary package “idn” in ubuntu xenial

Command line and Emacs interface to GNU Libidn

 GNU Libidn is a fully documented implementation of the Stringprep,
 Punycode and IDNA specifications. Libidn's purpose is to encode and
 decode internationalized domain names. The Nameprep, XMPP, SASLprep,
 and iSCSI profiles are supported.
 This package contains the idn command-line tool and its Emacs lisp