Index: modules/ctext/ctext.tcl
--- modules/ctext/ctext.tcl.orig
+++ modules/ctext/ctext.tcl
@@ -1064,7 +1064,7 @@ proc ctext::linemapUpdate {win args} {
 # scrolls by the specified amount of pixels
 
 if {![catch {
-    package require Tk 8.5
+    package require Tk 8.5-
 }]} {
     proc ctext::linemapUpdateOffset {win lineList} {
 	# reset view for line numbering widget
