Format

                              { DIRECTORY         }
                              { FIELD             }
      CHANGE PROTECTION  FOR  { RECORD            }  element-name ,...
                              {                   }
                              { GENERIC type-name }

                              [ POSITION n ]
                              [ id1+...    ] ACCESS  right+ ... .
                              [            ]

                              { REPOSITORY  anchor-name           }
      CHANGE PROTECTION  FOR  { GENERIC  MCS_CONTEXT context-name }
                              {                                   }

                              [ POSITION n ]
                              { ACCESS         }
                              { DEFAULT_ACCESS } right+ ... .
                              {                }