anchor.diff:  
   /// Maps the RegistryBaseKey to a RegistryKey for a 32bit System
   /// [omit]
  -let get32BitKey name = 
  +let get32BitKey name =
       match name with
       | HKEYLocalMachine -> RegistryKey.OpenBaseKey(RegistryHive.LocalMachine, RegistryView.Registry32)
       | HKEYClassesRoot -> RegistryKey.OpenBaseKey(RegistryHive.ClassesRoot, RegistryView.Registry32)
       | HKEYUsers -> RegistryKey.OpenBaseKey(RegistryHive.Users, RegistryView.Registry32)
       | HKEYCurrentUser -> RegistryKey.OpenBaseKey(RegistryHive.CurrentUser, RegistryView.Registry32)
       | HKEYCurrentConfig -> RegistryKey.OpenBaseKey(RegistryHive.CurrentConfig, RegistryView.Registry32)
  -    | HKEYPerformanceData -> RegistryKey.OpenBaseKey(RegistryHive.PerformanceData, RegistryView.Registry32)   
  +    | HKEYPerformanceData -> RegistryKey.OpenBaseKey(RegistryHive.PerformanceData, RegistryView.Registry32)
   
   /// Gets a 64-bit registy key
  -let getRegistryKey64 baseKey subKey (writePermission : bool) =     
  +let getRegistryKey64 baseKey subKey (writePermission : bool) =
       (get64BitKey baseKey).OpenSubKey(subKey, writePermission)
  -    
  +
   /// Gets a registy key and falls back to 32 bit if the 64bit key is not there
  -let getRegistryKey baseKey subKey (writePermission : bool) =     
  +let getRegistryKey baseKey subKey (writePermission : bool) =
       let x64BitKey = (getKey baseKey).OpenSubKey(subKey, writePermission)
  -    if x64BitKey <> null then x64BitKey else  
  +    if x64BitKey <> null then x64BitKey else
       (get32BitKey baseKey).OpenSubKey(subKey, writePermission)  // fall back to 32 bit
   
   /// Gets a registy value as string
  -let getRegistryValue baseKey subKey value = 
  +let getRegistryValue baseKey subKey value =
       use key = getRegistryKey baseKey subKey false
       if key = null then
           failwithf "Registry subkey %s could not be found for key %A" subKey baseKey
  
positive.code: 
  /// Maps the RegistryBaseKey to a RegistryKey for a 64bit System
  /// [omit]
  let get64BitKey name = 
      match name with
      | HKEYLocalMachine -> RegistryKey.OpenBaseKey(RegistryHive.LocalMachine, RegistryView.Registry64)
      | HKEYClassesRoot -> RegistryKey.OpenBaseKey(RegistryHive.ClassesRoot, RegistryView.Registry64)
  
negative.code: open Microsoft.Win32
  
  /// Registry base keys.
  type RegistryBaseKey =
      | HKEYLocalMachine
      | HKEYClassesRoot
      | HKEYUsers
  