Index: library/nx/nx.tcl
===================================================================
diff -u -r1da9ce4144ca62bd435da5c165fc40983611ecc4 -r7f1ad54528440269c6a26b63c1cb0f0d35001e9c
--- library/nx/nx.tcl	(.../nx.tcl)	(revision 1da9ce4144ca62bd435da5c165fc40983611ecc4)
+++ library/nx/nx.tcl	(.../nx.tcl)	(revision 7f1ad54528440269c6a26b63c1cb0f0d35001e9c)
@@ -1030,11 +1030,12 @@
     ::nsf::forward ${os}::Object class ::nsf::relation %self class
 
     # all other relation cmds are defined as slots
+
     ::nx::RelationSlot create ${os}::Class::slot::superclass \
 	-default ${os}::Object
 
     ::nx::RelationSlot create ${os}::Object::slot::mixin \
-	-forwardername object-mixin    
+	-forwardername object-mixin
     ::nx::RelationSlot create ${os}::Object::slot::filter -elementtype "" \
 	-forwardername object-filter