anchor.diff:    let text s =
       textValue <- s
   
  +  let mutable private currentLength = 0
  +
     let update progress =
       progressValue :=
         match progress with
  
positive.code:     if RuntimeInformation.IsOSPlatform OSPlatform.Windows then
        WindowsConsole.enableVTMode()
  #else
      //WindowsConsole.enableVTMode()
  #endif
      ProgressIndicator.originalStdout.Flush()
      let encoding = ProgressIndicator.originalStdout.Encoding
  
negative.code:       if !isRunning then
          isRunning := false
          if isEnabled then
            String(' ', currentLength) + String('\b', currentLength) + showCursor
            |> originalStdout.Write
            originalStdout.Flush()
      )
  