vt.4: align tables + 80 character line limit

MFC after:	3 days

share/man/man4/vt.4

@@ -312,7 +312,7 @@ or changed at runtime with
 Enable the terminal bell.
 .El
 .Sh FILES
-.Bl -tag -width /usr/share/vt/keymaps/* -compact
+.Bl -tag -width "/usr/share/vt/keymaps/*.kbd" -compact
 .It Pa /dev/console
 .It Pa /dev/consolectl
 .It Pa /dev/ttyv*
@@ -325,13 +325,12 @@ console fonts
 keyboard layouts
 .El
 .Sh DEVCTL MESSAGES
-.Bl -column "System" "Subsystem" "1234567" -compact
+.Bl -column "System" "Subsystem" "Type" "Description"
 .Sy "System" Ta Sy "Subsystem" Ta Sy "Type" Ta Sy "Description"
 .It Li VT Ta BELL Ta RING Ta
 Notification that the console bell has rung.
 .El
-.Pp
-.Bl -column "Variable" "Meaning" -compact
+.Bl -column "duration_ms" "Meaning"
 .Sy "Variable" Ta Sy "Meaning"
 .It Li duration_ms Ta Length of time the bell was requested to ring in milliseconds.
 .It Li enabled Ta true or false indicating whether or not the bell was administratively enabled when rung.
@@ -357,7 +356,8 @@ To set a 1024x768 mode on all output connectors, put the following line in
 .Pp
 .Dl kern.vt.fb.default_mode="1024x768"
 .Pp
-To set a 800x600 only on a laptop builtin screen, use the following line instead:
+To set a 800x600 only on a laptop builtin screen,
+use the following line instead:
 .Pp
 .Dl kern.vt.fb.modes.LVDS-1="800x600"
 .Pp