anchor.diff:  let optionalObjParam p o = 
       match o with
       | Some x -> sprintf " --%s=\"%s\"" p (x.ToString())
  -    | None -> ""     
  +    | None -> ""
   
   /// [omit]
   let stringListParam p os =
  
positive.code:       (optionalStringParam "packagesfolder" opts.PackagesFolder)
        (optionalStringParam "releasenotes" (liftString opts.ReleaseNotes))
        (optionalStringParam "releasenotesfile" (liftString opts.ReleaseNotesFile))
        (flag "ignoreExisting" opts.IgnoreExisting) ] 
      |> List.fold (+) ""
  
  /// [omit]
  
negative.code: let releaseOptions = {
      Project = ""; Version = ""; PackageVersion = ""; Packages = [];
      PackagesFolder = None; ReleaseNotes = ""; ReleaseNotesFile = "";
      IgnoreExisting = false; Channel = None; IgnoreChannelRules = false }
  
  /// Default options for 'DeployRelease'
  let deployOptions = {
  