Index: modules/map/area-file.tcl
--- modules/map/area-file.tcl.orig
+++ modules/map/area-file.tcl
@@ -43,7 +43,7 @@ package provide map::area::file 0.1
 # # ## ### ##### ######## ############# ######################
 ## Requirements
 
-package require Tcl 8.6
+package require Tcl 8.6-
 #                               ;# Tcllib
 package require debug		;# - Narrative Tracing
 package require debug::caller   ;#
