anchor.diff:            Some opts.IsInvisibleOnly
             Some opts.IsHiddenOnly
             Some opts.Display
  -          Some opts.DisplayOnly ]
  +          Some opts.DisplayOnly
  +          Some opts.IsSrOnly ]
   
   [<AutoOpen>]
   module Common =
  
positive.code:             let [<Literal>] IsRadiusless = "is-radiusless"
              let [<Literal>] IsShadowless = "is-shadowless"
              let [<Literal>] IsUnselectable = "is-unselectable"
  
      let internal ofBackground level =
          match level with
  
negative.code:             | IsInvisibleOnly (_, false) -> result
              | IsHiddenOnly (screen, true) -> { result with IsHiddenOnly = result.IsHiddenOnly + " " + ofHidden screen }
              | IsHiddenOnly (_, false) -> result
              | IsSrOnly -> { result with IsSrOnly = Classes.Helpers.IsSrOnly }
              | IsScreenReaderOnly -> { result with IsSrOnly = Classes.Helpers.IsSrOnly }
  
          let opts = options |> List.fold parseOption Options.Empty
          [ opts.BackgroundColor
  