1. 15552f7 test: tests for utf_to_lower() utf_to_upper(). by Heinrich Schuchardt · Tue Sep 04 19:34:57 2018 +0200
  2. 485599d test: test printing Unicode by Heinrich Schuchardt · Fri Aug 31 21:31:30 2018 +0200
  3. b8b6c81 test: unit tests for Unicode functions by Heinrich Schuchardt · Fri Aug 31 21:31:28 2018 +0200