change layout to type

soml/parfait.md

@@ -19,14 +19,14 @@ In soml object is not the root of the class hierarchy, but Value is. Integer, Fl
 derived from Value. So an integer is *not* an object, but still has a class and methods, just no
 instance variables.
 
-### Layout and Class
+### Type and Class
 
-Each object has a layout that describes the instance variables and types of the object. It also
-reference the class of the object. Layout objects are constant, may not be changed over their
-lifetime. When a field is added to a class, a new layout is created.
+Each object has a type that describes the instance variables and types of the object. It also
+reference the class of the object. Type objects are constant, may not be changed over their
+lifetime. When a field is added to a class, a new Type is created.
 
 A Class describes a set of objects that respond to the same methods (methods are store in the class).
-A Layout describes a set of objects that have the same instance variables.
+A Type describes a set of objects that have the same instance variables.
 
 ### Method, Message and Frame
 

soml/syntax.md

@@ -48,7 +48,7 @@ field definitions, and are basically instance variables, but not hidden (see bel
 The example below shows how to define local variables at the same time. Notice chaining, both for
 field access and call, is not allowed.
 
-      Layout l = self.layout
+      Type l = self.type
       Class  c = l.object_class
       Word   n = c.name
 
@@ -109,7 +109,7 @@ field, must be in class (not method) scope and may not be assigned to.
 
     class Class < Object
       field List instance_methods
-      field Layout object_layout
+      field Type object_type
       field Word name
       ...
     end