Index: modules/diagrams/point.tcl
--- modules/diagrams/point.tcl.orig
+++ modules/diagrams/point.tcl
@@ -17,7 +17,7 @@
 # # ## ### ##### ######## ############# ######################
 ## Requisites
 
-package require Tcl 8.5              ; # Want the nice things it
+package require Tcl 8.5-             ; # Want the nice things it
                                        # brings (dicts, {*}, etc.)
 package require math::geometry 1.1.2 ; # Vector math (points, line
 				       # (segments), poly-lines).
