mandoc: double.in:22:2: WARNING: line scope broken: TP breaks TP
mandoc: double.in:31:2: WARNING: line scope broken: PP breaks B
mandoc: double.in:33:2: WARNING: line scope broken: TP breaks TP
mandoc: double.in:21:2: WARNING: skipping paragraph macro: PP empty
mandoc: double.in:32:2: WARNING: skipping paragraph macro: PP empty