upd

Author: mattqual

src/SUMMARY.md

@@ -18,6 +18,7 @@
     - [Java](./overview/relation/java.md)
   - [Event model](./overview/event-model.md)
   - [Conditional compilation](./overview/conditional-compilation.md)
+  - [Clonage](./overview/clonage.md)
 - [Scope](./scope.md)
 - [Definitions](./definitions.md)
 - [Notational conventions](./notational-conventions.md)

src/overview/clonage.md

@@ -0,0 +1,7 @@
+# Clonage
+
+The `[object Object].clone()` implementation clones tuples, arrays, maps and sets structurally; for `class` instances, the default implementation requires an *optional* constructor. You may override `clone` for a custom clonage implementation.
+
+```
+object.clone()
+```

src/property-lookup.md

@@ -103,6 +103,7 @@
         - *prop* = *prop*.ResolveAlias()
         - Call *prop*.Defer() (*if about to defer, implementation may report the cause as unresolved expression in a location*)
         - Return *InstanceReferenceValue*(*base*, *prop*)
+    - *Lookup for the* `Object` *instance definitions*
   - Return undefined.
 - If *base* is a `package`
   - If *localName* is undefined or (*qual* is specified and *qual* is not a namespace nor a *NamespaceConstant*)