+.It Ic output Ar option Op Ar value
+Configure the default value of an output option.
+These directives are overridden by the
+.Fl O
+command line options of the same names.
+For details, see the
+.Xr mandoc 1
+manual.
+.Pp
+.Bl -column fragment integer "ascii, utf8" -compact
+.It Ar option Ta Ar value Ta used by Fl T Ta purpose
+.It Ta Ta Ta
+.It Ic fragment Ta none Ta Cm html Ta print only body
+.It Ic includes Ta string Ta Cm html Ta path to header files
+.It Ic indent Ta integer Ta Cm ascii , utf8 Ta left margin
+.It Ic man Ta string Ta Cm html Ta path for Xr links
+.It Ic paper Ta string Ta Cm ps , pdf Ta paper size
+.It Ic style Ta string Ta Cm html Ta CSS file
+.It Ic width Ta integer Ta Cm ascii , utf8 Ta right margin
+.El