1mandoc: arg.in:10:2: STYLE: useless macro: Ud
2mandoc: arg.in:12:2: STYLE: useless macro: Bt
3mandoc: arg.in:16:2: STYLE: useless macro: Ud
4mandoc: arg.in:16:2: ERROR: skipping all arguments: Ud bar
5mandoc: arg.in:17:2: STYLE: useless macro: Bt
6mandoc: arg.in:17:2: ERROR: skipping all arguments: Bt foo
7mandoc: arg.in:18:2: STYLE: useless macro: Ud
8mandoc: arg.in:18:2: ERROR: skipping all arguments: Ud one
9mandoc: arg.in:19:2: STYLE: useless macro: Bt
10mandoc: arg.in:19:2: ERROR: skipping all arguments: Bt one
11