make it easier for the user, if Xinerama support is given, always use the screen 0 as window area/bar area, everything else can be used for floating clients

dwm.1

@@ -57,6 +57,9 @@ click on a tag label adds/removes that tag to/from the focused window.
 Start
 .BR xterm.
 .TP
+.B Mod1\-b
+Toggles bar on and off.
+.TP
 .B Mod1\-space
 Toggles between layouts.
 .TP