man[6]: .B:  not found.
man[7]: .SH:  not found.
man[2]: .TH:  not found.
man[3]: .SH:  not found.
man[4]: sample:  not found.
man[5]: .SH:  not found.
man[6]: .B:  not found.
man[7]: .SH:  not found.