anchor.diff:      property OptShowArrowMenu: boolean read FOptShowArrowMenu write FOptShowArrowMenu;
       property OptShowBorderActiveLow: boolean read FOptShowBorderActiveLow write FOptShowBorderActiveLow;
       property OptShowEntireColor: boolean read FOptShowEntireColor write FOptShowEntireColor;
  +    property OptShowNumberPrefix: atString read FOptShowNumberPrefix write FOptShowNumberPrefix;
       property OptMouseMiddleClickClose: boolean read FOptMouseMiddleClickClose write FOptMouseMiddleClickClose;
       property OptMouseDoubleClickClose: boolean read FOptMouseDoubleClickClose write FOptMouseDoubleClickClose;
       property OptMouseDoubleClickPlus: boolean read FOptMouseDoubleClickPlus write FOptMouseDoubleClickPlus;
  
positive.code:     property ColorArrowOver: TColor read FColorArrowOver write FColorArrowOver;
      property ColorScrollMark: TColor read FColorScrollMark write FColorScrollMark;
      //spaces
      property OptTabAngle: integer read FOptTabAngle write FOptTabAngle;
      property OptAllowAngleForMaxTabs: integer read FOptAllowAngleForMaxTabs write FOptAllowAngleForMaxTabs;
      property OptTabHeight: integer read FOptTabHeight write FOptTabHeight;
      property OptTabWidthMinimal: integer read FOptTabWidthMinimal write FOptTabWidthMinimal;
      property OptTabWidthNormal: integer read FOptTabWidthNormal write FOptTabWidthNormal;
      property OptShowNumberPrefix: atString read FOptShowNumberPrefix write FOptShowNumberPrefix;
      property OptDropMarkWidth: integer read FOptDropMarkWidth write FOptDropMarkWidth;
      property OptSpaceBetweenTabs: integer read FOptSpaceBetweenTabs write FOptSpaceBetweenTabs;
      property OptSpaceInitial: integer read FOptSpaceInitial write FOptSpaceInitial;
      property OptSpaceBeforeText: integer read FOptSpaceBeforeText write FOptSpaceBeforeText;
  
negative.code:     FOptShowNumberPrefix: atString;
      FOptShowAtBottom: boolean;
      FOptTabAngle: integer; //angle of tab border: from 0 (vertcal border) to any size
      FOptUseAngleForMaxTabs: integer; //maximal tab count, for which TabAngle is used (else used 0)
      FOptTabHeight: integer;
      FOptTabWidthMinimal: integer; //tab minimal width (used when lot of tabs)
      FOptTabWidthNormal: integer; //tab maximal width (used when only few tabs)
      FOptTabWidthMinimalHidesX: integer; //tab minimal width, after which "x" mark hides for inactive tabs
      FOptDropMarkSize: integer;
      FOptSpaceBetweenTabs: integer; //space between nearest tabs (no need for angled tabs)
      FOptSpaceInitial: integer; //space between first tab and left control edge
      FOptSpaceBeforeText: integer; //space between text and tab left edge
  