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]