anchor.diff:  
   
   let filterGlobalArgs args = 
  -
       let globalResults = 
  -        UnionArgParser.Create<GlobalArgs>().Parse(ignoreMissing = true, ignoreUnrecognized = true, raiseOnUsage = false)
  +        UnionArgParser.Create<GlobalArgs>()
  +            .Parse(ignoreMissing = true, 
  +                   ignoreUnrecognized = true, 
  +                   raiseOnUsage = false)
       let verbose = globalResults.Contains <@ GlobalArgs.Verbose @>
  -    let logFile = globalResults.TryGetResult <@ GlobalArgs.Log_File @> 
  -
  +    let logFile = globalResults.TryGetResult <@ GlobalArgs.Log_File @>
  +    
       let rest = 
           match logFile with
  -        | Some file -> args |> Array.filter (fun a -> a <> "--log-file" && a <> file)
  +        | Some file -> 
  +            args |> Array.filter (fun a -> a <> "--log-file" && a <> file)
           | None -> args
  -
  +    
       let rest = 
  -        if verbose then rest |> Array.filter (fun a -> a <> "-v" && a <> "--verbose")
  +        if verbose then 
  +            rest |> Array.filter (fun a -> a <> "-v" && a <> "--verbose")
           else rest
  -
  +    
       verbose, logFile, rest
   
       
   let commandArgs<'T when 'T :> IArgParserTemplate> args = 
  -    UnionArgParser
  -        .Create<'T>()
  -        .Parse(inputs = args, raiseOnUsage = false, errorHandler = ProcessExiter())
  +    UnionArgParser.Create<'T>()
  +        .Parse(inputs = args, raiseOnUsage = false, ignoreMissing = true, 
  +               errorHandler = ProcessExiter())
   
   
   let showHelp (helpTopic:HelpTexts.CommandHelpTopic) = 
  
positive.code:     traceErrorfn "Paket failed with:%s\t%s" Environment.NewLine exn.Message
  
      if verbose then
          traceErrorfn "StackTrace:%s  %s" Environment.NewLine exn.StackTrace
negative.code: let assembly = Assembly.GetExecutingAssembly()
  let fvi = FileVersionInfo.GetVersionInfo(assembly.Location);
  tracefn "Paket version %s" fvi.FileVersion
  
  type Command =
      | [<First>][<CustomCommandLine("add")>]                 Add
  