Index: tests/info-method.test
===================================================================
diff -u -N -r85ee1fdb043ed3f82fd272cc004c476c40861fdb -r12319faaf20df7116346558bd948b0edda9124eb
--- tests/info-method.test	(.../info-method.test)	(revision 85ee1fdb043ed3f82fd272cc004c476c40861fdb)
+++ tests/info-method.test	(.../info-method.test)	(revision 12319faaf20df7116346558bd948b0edda9124eb)
@@ -364,7 +364,7 @@
     ? {o info lookup methods bar} bar
     ? {o bar} Object.bar
 
-    o object mixin ::nx::Class
+    o object mixin set ::nx::Class
     ? {o info precedence} "::nx::Class ::nx::Object"
     ? {o info lookup method bar} "::nsf::classes::nx::Class::bar"
     ? {o info lookup methods bar} bar
@@ -451,7 +451,7 @@
     ? {Foo info lookup methods create} "create"
     ? {Foo info lookup method create} "::nsf::classes::nx::Class::create"
     
-    ? {o object mixin ""} ""
+    ? {o object mixin set ""} ""
 }
 
 
@@ -721,7 +721,7 @@
   ? {C info configure syntax} "/::C/ ?-a /value/? ?-b /value/? ?-object-mixin /mixinreg .../? ?-class /class/? ?-object-filter /filterreg .../? ?/__initblock/?"
 #  ? {C info configure syntax a} "/::C/ ?-a /value/?"
 
-  ? {C info configure parameters } "-a {-b 1} -object-mixin:mixinreg,alias,method=::nx::Object::slot::__object::mixin,0..n -class:class,alias,method=::nsf::methods::object::class -object-filter:filterreg,alias,method=::nx::Object::slot::__object::filter,0..n __initblock:cmd,optional,noleadingdash"
+  ? {C info configure parameters } "-a {-b 1} -object-mixin:mixinreg,slot=::nx::Object::slot::object-mixin,slotassign,method=object-mixin,0..n -class:class,alias,method=::nsf::methods::object::class -object-filter:filterreg,alias,method=::nx::Object::slot::__object::filter,0..n __initblock:cmd,optional,noleadingdash"
 
 #  ? {C info parameter list} "-a -b -noinit -object-mixin -class -object-filter __initblock"
 #  ? {C info parameter names} "a b noinit object-mixin class object-filter __initblock"
@@ -833,26 +833,26 @@
   ? {B info heritage} "::M1 ::A ::nx::Object"
   ? {B info mixin classes -closure} "::M1"
 
-  B mixin M2
+  B mixin set M2
   ? {A info heritage} "::nx::Object"
   ? {B info heritage} "::M2 ::A ::nx::Object"
   ? {B info mixin classes -closure} "::M2"
 
-  B mixin A
+  B mixin set A
   ? {A info heritage} "::nx::Object"
   ? {B info heritage} "::A ::nx::Object"
 
-  B mixin C
+  B mixin set C
   ? {A info heritage} "::nx::Object"
   ? {B info heritage} "::C ::A ::nx::Object"
 
-  B mixin ""
+  B mixin set ""
   ? {BB info heritage} "::B ::A ::nx::Object"
 
-  BB mixin CC
+  BB mixin set CC
   ? {BB info heritage} "::CC ::C ::B ::A ::nx::Object"
 
-  BB mixin ""
+  BB mixin set ""
   ? {BB info heritage} "::B ::A ::nx::Object"
 }
 
@@ -867,31 +867,31 @@
   Class create D -superclass A
 
   # transitive case
-  C mixin D
-  B mixin C
+  C mixin set D
+  B mixin set C
   ? {C info heritage} "::D ::A ::O ::nx::Object"
   ? {D info heritage} "::A ::O ::nx::Object"
   ? {B info heritage} "::D ::C ::A ::O ::nx::Object"
 
   # reset
-  C mixin ""
-  B mixin ""
+  C mixin set ""
+  B mixin set ""
   ? {B info heritage} "::A ::O ::nx::Object"
   ? {C info heritage} "::A ::O ::nx::Object"
   ? {D info heritage} "::A ::O ::nx::Object"
 
 
   # transitve different order
-  B mixin C
-  C mixin D
+  B mixin set C
+  C mixin set D
   ? {B info heritage} "::D ::C ::A ::O ::nx::Object"
   ? {C info heritage} "::D ::A ::O ::nx::Object"
   ? {D info heritage} "::A ::O ::nx::Object"
 
 
   # reset
-  C mixin ""
-  B mixin ""
+  C mixin set ""
+  B mixin set ""
   ? {B info heritage} "::A ::O ::nx::Object"
   ? {C info heritage} "::A ::O ::nx::Object"
   ? {D info heritage} "::A ::O ::nx::Object"
@@ -913,39 +913,39 @@
   Class create M
 
   # circular case
-  B mixin C
-  C mixin B
+  B mixin set C
+  C mixin set B
   ? {B info heritage} "::C ::A ::O ::nx::Object"
   ? {C info heritage} "::B ::A ::O ::nx::Object"
   ? {D info heritage} "::A ::O ::nx::Object"
 
   # reset
-  C mixin ""
-  B mixin ""
+  C mixin set ""
+  B mixin set ""
   ? {B info heritage} "::A ::O ::nx::Object"
   ? {C info heritage} "::A ::O ::nx::Object"
   ? {D info heritage} "::A ::O ::nx::Object"  
 
   # indirect circular case
-  B mixin C
-  C mixin BB
+  B mixin set C
+  C mixin set BB
   ? {B info heritage} "::BB ::C ::A ::O ::nx::Object"
   ? {C info heritage} "::BB ::B ::A ::O ::nx::Object"
   ? {D info heritage} "::A ::O ::nx::Object"
 
   # reset
-  C mixin ""
-  B mixin ""
+  C mixin set ""
+  B mixin set ""
   ? {B info heritage} "::A ::O ::nx::Object"
   ? {C info heritage} "::A ::O ::nx::Object"
   ? {D info heritage} "::A ::O ::nx::Object"  
 
-  M3 mixin B
+  M3 mixin set B
   ? {A info heritage} "::O ::nx::Object"
   ? {B info heritage} "::A ::O ::nx::Object"
   ? {M3 info heritage} "::B ::A ::O ::nx::Object"
 
-  A mixin M3
+  A mixin set M3
 
   ? {A info heritage} "::B ::M3 ::O ::nx::Object"
   ? {B info heritage} "::M3 ::A ::O ::nx::Object"
@@ -954,7 +954,7 @@
   ? {m1 info precedence} "::B ::A ::O ::M3 ::nx::Object"
   ? {M3 info heritage}   "::B ::A ::O ::nx::Object"
 
-  B mixin M3
+  B mixin set M3
   ? {B info heritage} "::M3 ::A ::O ::nx::Object"
 }
 
@@ -966,13 +966,13 @@
   Class create MovementTest
   Class create MovementLog
   
-  Agent mixin MovementTest
+  Agent mixin set MovementTest
   Agent create a1 
 
   ? {Agent info heritage} "::MovementTest ::nx::Object"
   ? {a1 info precedence} "::MovementTest ::Agent ::nx::Object"
 
-  a1 object mixin {MovementTest MovementLog}
+  a1 object mixin set {MovementTest MovementLog}
 
   ? {Agent info heritage} "::MovementTest ::nx::Object"
   ? {a1 info precedence} "::MovementTest ::MovementLog ::Agent ::nx::Object"
@@ -995,17 +995,17 @@
   ? {b1 info precedence} "::B ::A ::nx::Object"
   ? {b1 info precedence ::M*} ""
 
-  A mixin {M1 M2}
+  A mixin set {M1 M2}
   ? {B info heritage} "::M1 ::M2 ::A ::nx::Object"
   ? {b1 info precedence} "::M1 ::M2 ::B ::A ::nx::Object"
   ? {b1 info precedence ::M*} "::M1 ::M2"
   ? {b1 info precedence ::X*} ""
   
-  b1 object mixin {M1 M1 M4}
+  b1 object mixin set {M1 M1 M4}
   ? {b1 info precedence} "::M1 ::M4 ::M2 ::B ::A ::nx::Object"
   ? {b1 info object mixin classes} "::M1 ::M4"
 
-  B mixin {M3 M1 M1 M4}
+  B mixin set {M3 M1 M1 M4}
   ? {B info heritage} "::M3 ::M1 ::M4 ::M2 ::A ::nx::Object"
   ? {b1 info precedence} "::M1 ::M4 ::M3 ::M2 ::B ::A ::nx::Object"
 }
@@ -1023,12 +1023,12 @@
   ? {c1 info precedence} "::C ::nx::Object"
 
   # ::A is an implied class
-  c1 object mixin B
+  c1 object mixin set B
   ? {c1 info precedence} "::B ::A ::C ::nx::Object"
   ? {c1 info object mixin classes -heritage} "::B ::A"
 
   # ::A is as well implied by ::PCM
-  C mixin PCM
+  C mixin set PCM
   ? {C info heritage} "::PCM ::A ::nx::Object"
   ? {C info mixin classes} "::PCM"
   ? {C info mixin classes -order} "" ;# ???? why no warning
@@ -1057,7 +1057,7 @@
   ? {C info heritage} "::B ::A ::nx::Object"
   ? {c1 info precedence} "::C ::B ::A ::nx::Object"
 
-  B mixin PCMB
+  B mixin set PCMB
   
   # heritage includes implied classes
   ? {C info heritage} "::PCMB ::PCMA ::B ::A ::nx::Object"
@@ -1082,7 +1082,7 @@
   # since C is a specialization of B, it inherits the classes from B
   ? {C info mixin classes -heritage} "::PCMB ::PCMA ::A"
 
-  PCMB mixin TPCMB
+  PCMB mixin set TPCMB
 
   # heritage includes implied classes
   ? {C info heritage} "::TPCMB ::TPCMA ::PCMB ::PCMA ::B ::A ::nx::Object"
@@ -1105,7 +1105,7 @@
   # since C is a specialization of B, it inherits the classes from B
   ? {C info mixin classes -heritage} "::TPCMB ::TPCMA ::PCMB ::PCMA ::A"
 
-  C mixin PCMC
+  C mixin set PCMC
 
   # heritage includes implied classes
   ? {C info heritage} "::PCMC ::TPCMB ::TPCMA ::PCMB ::PCMA ::B ::A ::nx::Object"
@@ -1213,7 +1213,7 @@
   ? {D info methods -closure *2} "d2 c2"
   ? {D info methods -closure -source application} "c1 d1 d2 c2"
 
-  D mixin M
+  D mixin set M
 
   #
   # Check as well methods inherited from per-class mixins