mandoc: invalid.in:11:13: WARNING: invalid escape sequence: \[u2B] mandoc: invalid.in:11:20: WARNING: invalid escape sequence: \[u02B] mandoc: invalid.in:13:12: WARNING: invalid escape sequence: \[u0002B] mandoc: invalid.in:13:22: WARNING: invalid escape sequence: \[u00002B] mandoc: invalid.in:13:33: WARNING: invalid escape sequence: \[u000002B] mandoc: invalid.in:14:13: WARNING: invalid escape sequence: \[u110000] mandoc: invalid.in:14:24: WARNING: invalid escape sequence: \[u200000] mandoc: invalid.in:14:35: WARNING: invalid escape sequence: \[u1000000] mandoc: invalid.in:15:20: WARNING: invalid escape sequence: \[u1234g]