mandoc: invalid.in:7:15: WARNING: invalid escape sequence: \[ mandoc: invalid.in:8:14: WARNING: invalid escape sequence: \[%] mandoc: invalid.in:9:16: WARNING: invalid escape sequence: \[&] mandoc: invalid.in:10:12: WARNING: invalid escape sequence: \[:] mandoc: invalid.in:11:12: WARNING: invalid escape sequence: \[^] mandoc: invalid.in:12:16: WARNING: invalid escape sequence: \[_] mandoc: invalid.in:13:11: WARNING: invalid escape sequence: \[|] mandoc: invalid.in:14:12: WARNING: invalid escape sequence: \[~] mandoc: invalid.in:15:18: WARNING: invalid escape sequence: \[0]