Launchpad currently recommends translating libidn in Ubuntu Cosmic.

Template "libidn" in Ubuntu Cosmic package "libidn"

Language Status Untranslated Need review Changed Last Edited By
Cherokee 100.00  100.0% untranslated 60 60 0 0
Dakota 100.00  100.0% untranslated 60 60 0 0
Hawaiian 100.00  100.0% untranslated 60 60 0 0
Inuktitut 100.00  100.0% untranslated 60 60 0 0
Lakota 100.00  100.0% untranslated 60 60 0 0
Ojibwe 100.00  100.0% untranslated 60 60 0 0
Spanish 000.00  100.0% translated 0 0 0 2016-12-04 09:34:48 UTC 2016-12-04 Paco Molinero
Tlingit 100.00  100.0% untranslated 60 60 0 0
Yiddish 100.00  100.0% untranslated 60 60 0 0
[ Change your preferred languages... View template & all languages... ]
Key to this table: “Unchanged” means Translated
and “untranslated” means just that, Untranslated

Other versions of libidn in Ubuntu