anchor.diff:  
   package metamodel {
   
  -    class Object\nSpecId<<value>> {
  +    class LogicalType<<value>> {
           +type
       }
   
  
positive.code: }
  
  package runtime {
      class Object\nAdapter<<ppt>> {
          +getSpecification()
      }
      class Oid<<value>> {
  
negative.code: 
  
  
  Object\nSpecification -up-> LogicalType
  Object\nSpecification -down-> "*" Object\nMember
  Object\nMember ^-down- Object\nAssociation
  Object\nMember ^-down- Object\nAction
  