anchor.diff:                  WebSockets.WebSocketReadyState
                   WebStorage.LocalStorage
                   WebStorage.SessionStorage
  -                WebStorage.Storage                
  -            ]
  -        ]
  +                WebStorage.Storage      
  +                WebStorage.StorageEvent                
  +            ]
  +        ]
  
positive.code:                 "removeItem" => T<string> ^-> T<unit>
                  "setItem" => T<string> * T<string> ^-> T<unit>
              ]
  
  module AppCache =
      let ApplicationCache =
  
negative.code:             "onselect" =@ f
              "onshow" =@ f
              "onstalled" =@ f
              "onstorage" =@ WebStorage.StorageEvent ^-> T<unit>
              "onsubmit" =@ f
              "onsuspend" =@ f
              "ontimeupdate" =@ f
  