this is the actual port the mouse is on.
It might be
.Pa /dev/cuaa0
-for a COM1 serial mouse,
+for a COM1 serial mouse or
.Pa /dev/psm0
-for a PS/2 mouse or
-.Pa /dev/mse0
-for a bus mouse, for example.
+for a PS/2 mouse, for example.
.It Va moused_flags
.Pq Vt str
If