Index: doc/example-scripts/tk-ludo.tcl
===================================================================
diff -u -N -rf69105999ff5876732032cd779f3f7521ab010e5 -r71e18053ef7dd9a53f11d14f3a91b8a1091e90bb
--- doc/example-scripts/tk-ludo.tcl	(.../tk-ludo.tcl)	(revision f69105999ff5876732032cd779f3f7521ab010e5)
+++ doc/example-scripts/tk-ludo.tcl	(.../tk-ludo.tcl)	(revision 71e18053ef7dd9a53f11d14f3a91b8a1091e90bb)
@@ -65,7 +65,7 @@
     :property board:object,required
     :variable tag ""
 
-    :require trait nx::traits::callback
+    :require trait nx::trait::callback
 
     :method init {} {
 	#
@@ -170,7 +170,7 @@
     :property {bg red}
     :property {eyes 0}
 
-    :require trait nx::traits::callback
+    :require trait nx::trait::callback
 
     :method set {n} {
 	#
@@ -257,7 +257,7 @@
     :property {fg white}
     :property {colors:1..n {red green yellow blue}}
 
-    :require trait nx::traits::callback
+    :require trait nx::trait::callback
 
     :method lookup {var idx} {
 	#