Input file is iecset.1

Output from "mandoc -T lint  iecset.1": (shortened list)


-.-.

Output from "test-nroff -mandoc -t -ww -z iecset.1": (shortened list)

      3 	Use macro '.B' for one argument or split argument.
      3 .BI is for at least 2 arguments, got 1

-.-.

Put a subordinate sentence (after a comma) on a new line.

iecset.1:14:When the commands are given in the arguments, they are parsed
iecset.1:19:As the boolean argument, \fIyes\fP, \fIno\fP, \fItrue\fP, \fIfalse\fP,
iecset.1:46:Specifies the IEC958 control element index, in case you have multiple

-.-.

Output from "test-groff  -mandoc -t -K utf8 -rF0 -rHY=0 -rCHECKSTYLE=10 -ww -z ":

an.tmac:<stdin>:1: style: .TH missing fourth argument; consider package/project name and version (e.g., "groff 1.23.0")
an.tmac:<stdin>:24: misuse, warning: .BI is for at least 2 arguments, got 1
	Use macro '.B' for one argument or split argument.
an.tmac:<stdin>:28: misuse, warning: .BI is for at least 2 arguments, got 1
	Use macro '.B' for one argument or split argument.
an.tmac:<stdin>:33: misuse, warning: .BI is for at least 2 arguments, got 1
	Use macro '.B' for one argument or split argument.

-.-.

Additionally:

Change "50/15us" to (50/15)\~us (3.3... microseconds)

Generally:

Split (sometimes) lines after a punctuation mark; before a conjunction.