anchor.diff:        c.SetValue(path+cHistory_TabColor, ColorToString(TabColor));
     end;
   
  +  c.SetDeleteValue(path+cHistory_TabPinned, TabPinned, false);
  +
     if UiOps.HistoryItems[ahhCaret] then
       DoSaveHistory_Caret(Ed, c, path);
   
  
positive.code:     procedure SetReadOnly(Ed: TATSynEdit; AValue: boolean);
      procedure SetTabCaptionAddon(const AValue: string);
      procedure SetTabColor(AColor: TColor);
      procedure SetTabImageIndex(AValue: integer);
      procedure SetUnprintedEnds(AValue: boolean);
      procedure SetUnprintedEndsDetails(AValue: boolean);
  
negative.code:     property Locked: boolean read FLocked write SetLocked;
      property CommentString[Ed: TATSynEdit]: string read GetCommentString;
      property TabColor: TColor read FTabColor write SetTabColor;
      property TabPinned: boolean read FTabPinned write SetTabPinned;
      property TabSizeChanged: boolean read FTabSizeChanged write FTabSizeChanged;
      property TabKeyCollectMarkers: boolean read GetTabKeyCollectMarkers write FTabKeyCollectMarkers;
      property InSession: boolean read FInSession write FInSession;
  