displayselect improved, dmenu dox added

.scripts/displayselect

@@ -2,8 +2,7 @@
 
 choices="laptop\nlaptopdual\nVGA\nHDMI\nManual selection"
 
-chosen=$(echo -e "$choices" | dmenu -i
-)
+chosen=$(echo -e "$choices" | dmenu -i)
 
 case "$chosen" in
 	laptopdual) xrandr --output LVDS-1 --auto --output VGA-1 --auto --right-of LVDS-1 ;;
@@ -13,4 +12,5 @@ case "$chosen" in
 	"Manual selection") arandr ;;
 esac
 
-polybar_launch
+# Relaunch polybar if there was a selection.
+[ "$chosen" == "" ] || polybar_launch