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]