From the Universal Declaration
of Linguistic Rights:

Article 5
The present Declaration starts from the principle that the rights of all linguistic communities are equal and independent from the legal or political statute of their language as official, regional or minority language; the expressions of “regional language” and “minority language” are not used in the present Declaration since we frequently recur to them to narrow the rights of a linguistic community, even if the recognition of a language as minority or regional language sometimes can ease the enforcement of some rights.