anchor.diff:  
           let parameters = setParams ChocoPackDefaults
   
  -        let args = new StringBuilder("pack ")
  +        let args = new StringBuilder()
  +                |> appendWithoutQuotes "pack"
                   |> append nuspecPath
  -                |> appendIfNotNullOrEmpty parameters.Version "--version "
  +                |> appendWithoutQuotesIfNotNull parameters.Version "--version "
                   |> appendIfTrueWithoutQuotes parameters.NonInteractive "-y"
  -                |> appendIfNotNullOrEmpty parameters.AdditionalArgs parameters.AdditionalArgs
  +                |> appendWithoutQuotesIfNotNull parameters.AdditionalArgs parameters.AdditionalArgs
                   |> toText
   
  -        CallChoco parameters.ToolPath args parameters.Timeout
  +        callChoco parameters.ToolPath args parameters.Timeout
  
positive.code:         ForceX86 = false
          OverrideArgs = false
          SkipPowershell = false
          Version = ""
          PackageParameters = ""
          Source = ""
          InstallArgs = ""
          User = ""
          Password = ""
          ToolPath = ""
          AdditionalArgs = ""
      }
  
      /// The default option set given to choco pack.
      let ChocoPackDefaults = {
          Timeout = TimeSpan.FromMinutes 5.
          NonInteractive = true
          Version = ""
          ToolPath = ""
          AdditionalArgs = ""
      }
  
      /// [omit]
  
negative.code: 
          let parameters = setParams ChocoInstallDefaults
  
          let args = new StringBuilder()
                  |> appendWithoutQuotes "install"
                  |> append packages
                  |> appendWithoutQuotesIfNotNull parameters.Version "--version "
                  |> appendIfTrueWithoutQuotes parameters.Prerelease "--pre"
                  |> appendWithoutQuotesIfNotNull parameters.PackageParameters "--params "
                  |> appendWithoutQuotesIfNotNull parameters.Source "--source "
                  |> appendIfTrueWithoutQuotes parameters.ForceX86 "--forcex86"
                  |> appendWithoutQuotesIfNotNull parameters.InstallArgs "--installargs "
                  |> appendIfTrueWithoutQuotes parameters.OverrideArgs "--overrideargs"
                  |> appendIfTrueWithoutQuotes parameters.SkipPowershell "--skippowershell"
                  |> appendWithoutQuotesIfNotNull parameters.User "--user "
                  |> appendWithoutQuotesIfNotNull parameters.Password "--password "
                  |> appendIfTrueWithoutQuotes parameters.NonInteractive "-y"
                  |> appendIfNotNullOrEmpty parameters.AdditionalArgs ""
                  |> toText
  
          callChoco parameters.ToolPath args parameters.Timeout
  
      /// Call choco to pack a package
      /// ## Parameters
  