anchor.diff:      if TryStrToLenthUnit(U, LU) then
         with CUnitInfo[LU] do
           if IsAbsolute then
  -          Result := V * Factor * PointsPerPixel
  +          Result := V * Factor * HTMLViewerPointsPerPixel
           else
             Result := V * Factor * Base;
     end
  
positive.code: const
  // CSS 2.1 defines a fixed ratio between pt and px at 96 dpi: 1px = 0.75pt.
  // (see http://www.w3.org/TR/2010/WD-CSS2-20101207/syndata.html#value-def-length for details).
    PixelsPerInch = 96.0; // fixed assumption in CSS 2.1 as lots of designs rely on it.
    PointsPerInch = 72.0;
    PointsPerPixel = PointsPerInch / PixelsPerInch;
  
  type
    ThtLengthUnitInfo = record
  
negative.code:     if TryStrToLenthUnit(U, LU) then
        with CUnitInfo[LU] do
          if IsAbsolute then
            Result := V * Factor * HTMLViewerPointsPerPixel
          else
            Result := V * Factor * Base;
    end
  