mandoc: invalid.in:10:20: WARNING: invalid escape sequence: \[u02B] mandoc: invalid.in:10:13: WARNING: invalid escape sequence: \[u2B] mandoc: invalid.in:12:33: WARNING: invalid escape sequence: \[u000002B] mandoc: invalid.in:12:22: WARNING: invalid escape sequence: \[u00002B] mandoc: invalid.in:12:12: WARNING: invalid escape sequence: \[u0002B] mandoc: invalid.in:13:35: WARNING: invalid escape sequence: \[u1000000] mandoc: invalid.in:13:24: WARNING: invalid escape sequence: \[u200000] mandoc: invalid.in:13:13: WARNING: invalid escape sequence: \[u110000] mandoc: invalid.in:14:20: WARNING: invalid escape sequence: \[u1234g]