Europe ; Sign language ; Language and society ; Language rights; Minderheitenrechte; Grundrechte; Base right; Pressefreiheit; Charta der Regional- und Minderheitssprachen in Europa; Universal Declaration of Linguistic Rights; Human rights ; Sprachenpolitik; Language management; Language politics ; Minoritätensprache; Minority language ; Sprachentod; Extinct language; Language endangerment; Bedrohte Sprache; Linguicide; Linguizid; Language death