Index: tests/info-method.test
===================================================================
diff -u -r9a1e1f585cad423f82dd15dbe974f8b1e5998f71 -re9d5dd4af67bdeeaa3052f5c010d135d899a6dd6
--- tests/info-method.test	(.../info-method.test)	(revision 9a1e1f585cad423f82dd15dbe974f8b1e5998f71)
+++ tests/info-method.test	(.../info-method.test)	(revision e9d5dd4af67bdeeaa3052f5c010d135d899a6dd6)
@@ -633,7 +633,7 @@
   C mixin PCM
   ? {C info heritage} "::PCM ::A ::nx::Object"
   ? {C info mixin classes} "::PCM"
-  ? {C info mixin classes -order} "" ;# ????
+  ? {C info mixin classes -order} "" ;# ???? why no warning
   ? {C info mixin classes -heritage} "::PCM ::A"
   ? {C info mixin classes -closure} "::PCM"
 
@@ -672,7 +672,9 @@
   ? {B info mixin classes} "::PCMB"
   ? {C info mixin classes} ""
 
-  # the classes mixed transitive into this class
+  # the classes mixed transitive into this class; This answer the
+  # question, what classes were mixed in explicitly into the mixin
+  # hierarchy by the application program
   ? {B info mixin classes -closure} "::PCMB"
   # since C is a specialization of B, it includes transitively B's closure
   ? {C info mixin classes -closure} "::PCMB"