Index: library/nx/nx.tcl
===================================================================
diff -u -r71015d43732133b53eed552468a6e408d43415eb -r095e1c2332fe7332d648ce194619f15ce1f62c04
--- library/nx/nx.tcl	(.../nx.tcl)	(revision 71015d43732133b53eed552468a6e408d43415eb)
+++ library/nx/nx.tcl	(.../nx.tcl)	(revision 095e1c2332fe7332d648ce194619f15ce1f62c04)
@@ -1854,7 +1854,10 @@
     #puts "VariableSlot [self] ${:incremental} && ${:accessor} && ${:multiplicity} incremental ${:incremental}"
     if {${:incremental}} {
       if {${:accessor} eq "none"} { set :accessor "public" }
-      if {![:isMultivalued]} { set :multiplicity "0..n" }
+      if {![:isMultivalued]} { 
+        puts stderr "=== incremental adds multiplicity"
+        set :multiplicity "0..n" 
+      }
     }
     next
     :makeAccessor