-If the \fImargin\fP parameter is omitted, the default is 10.
-Use \fB+m0\fP to reset the left margin,
-i.e., to the left edge of the terminal's display.
-Before setting a left-margin,
-@TABS@ resets the margin to reduce problems which might arise
-on moving the cursor before the current left-margin.
+If the
+.I margin
+parameter is omitted,
+the default is 10.
+Use
+.B +m0
+to reset the left margin,
+that is,
+to make it the left edge of the terminal's display.
+Before setting a left margin,
+\fB@TABS@\fP resets the margin to reduce problems that might arise
+from moving the cursor to the left of the current left margin.