mandoc: invalid.in:11:13: ERROR: unknown special character: \[u2B]
mandoc: invalid.in:11:20: ERROR: unknown special character: \[u02B]
mandoc: invalid.in:13:12: ERROR: invalid special character: \[u0002B]
mandoc: invalid.in:13:22: ERROR: invalid special character: \[u00002B]
mandoc: invalid.in:13:33: ERROR: unknown special character: \[u000002B]
mandoc: invalid.in:14:13: ERROR: invalid special character: \[u110000]
mandoc: invalid.in:14:24: ERROR: invalid special character: \[u200000]
mandoc: invalid.in:14:35: ERROR: unknown special character: \[u1000000]
mandoc: invalid.in:15:20: ERROR: unknown special character: \[u1234g]