Index: modules/canvas/canvas_drag.tcl
--- modules/canvas/canvas_drag.tcl.orig
+++ modules/canvas/canvas_drag.tcl
@@ -6,7 +6,7 @@
 # ### ### ### ######### ######### #########
 ## Requisites
 
-package require Tcl 8.5
+package require Tcl 8.5-
 package require Tk
 
 # ### ### ### ######### ######### #########
