anchor.diff:      property OptShowAngled: boolean read FOptShowAngled write FOptShowAngled default _InitOptShowAngled;
       property OptShowAngleTangent: single read FAngleTangent write FAngleTangent {$ifdef fpc} default _InitOptShowAngleTangent {$endif};
       property OptShowFlat: boolean read FOptShowFlat write FOptShowFlat default _InitOptShowFlat;
  +    property OptShowFlatSepar: boolean read FOptShowFlatSep write FOptShowFlatSep default _InitOptShowFlatSep;
       property OptShowScrollMark: boolean read FOptShowScrollMark write FOptShowScrollMark default _InitOptShowScrollMark;
       property OptShowDropMark: boolean read FOptShowDropMark write FOptShowDropMark default _InitOptShowDropMark;
       property OptShowXButtons: TATTabShowClose read FOptShowXButtons write FOptShowXButtons default _InitOptShowXButtons;
  
positive.code:   _InitOptHotFontStyleUsed = false;
  
    _InitOptShowFlat = false;
    _InitOptPosition = atpTop;
    _InitOptFillWidth = true;
    _InitOptFillWidthLastToo = false;
  
negative.code:   FOptHotFontStyleUsed:= _InitOptHotFontStyleUsed;
  
    FOptShowFlat:= _InitOptShowFlat;
    FOptShowFlatSep:= _InitOptShowFlatSep;
    FOptPosition:= _InitOptPosition;
    FOptShowNumberPrefix:= _InitOptShowNumberPrefix;
    FOptShowScrollMark:= _InitOptShowScrollMark;
  