anchor.diff:  
   /// Writes a file line by line
   let WriteFile file lines = WriteToFile false file lines
  -  
  +
   /// Appends all lines to a file line by line
   let AppendToFile file lines = WriteToFile true file lines
   
   /// Reads a file as one text
  -let inline ReadFileAsString file = File.ReadAllText(file,encoding)
  +let inline ReadFileAsString file = File.ReadAllText(file, encoding)
   
   /// Reads a file as one array of bytes
   let ReadFileAsBytes = File.ReadAllBytes
  
positive.code: let inline (<*) prefix text = startsWith prefix text
  
  /// Replaces the text in the given file
  let ReplaceInFile replaceF fileName =
      fileName
      |> ReadFileAsString
      |> replaceF
  
negative.code: let (>**) pattern text = (getRegEx pattern).IsMatch text
  
  /// Decodes a Base64-encoded UTF-8-encoded string
  let DecodeBase64Utf8String(text : string) = 
      text
      |> Convert.FromBase64String
      |> Encoding.UTF8.GetString
  