Index: library/lib/nx-traits.tcl
===================================================================
diff -u -r7867a5e0adfb4cfb1d32e0e5fa2758396d06dcfc -re884c2b0d63fa1b5a691e866ccff8d4094a2a8e4
--- library/lib/nx-traits.tcl	(.../nx-traits.tcl)	(revision 7867a5e0adfb4cfb1d32e0e5fa2758396d06dcfc)
+++ library/lib/nx-traits.tcl	(.../nx-traits.tcl)	(revision e884c2b0d63fa1b5a691e866ccff8d4094a2a8e4)
@@ -142,8 +142,8 @@
 #
 nx::Class create nx::Trait {
   :property {package}
-  :property {requiredMethods:0..n,incremental ""}
-  :property {requiredVariables:0..n,incremental ""}
+  :property -incremental {requiredMethods:0..n ""}
+  :property -incremental {requiredVariables:0..n ""}
 
   :public method "require trait" {traitName {nameMap ""}} {
     # adding a trait to a trait