anchor.diff:  
     ///  Special type used to manipulate TDateTime in millisecond precision.
     ///  This is an internal type.
  -  TPreciseTime = type Comp;
  +  TPreciseTime = type Int64;
   
     /// <summary>Represents a specific date/time segment of the year.</summary>
     /// <remarks>A calendar year in most time zones is divided into standard/ambiguous/daylight/invalid/standard segments.</remarks>
  
positive.code: 
    LYMinus1.FPeriod := nil;
    LYPlus1.FPeriod := nil;
    LY1 := nil;
  
    LY1 := {$IFDEF DELPHI}TList{$ELSE}TFPGList{$ENDIF}<TObservedRule>.Create;
    try
  
negative.code: {$IFDEF FPC}
      LRules.Sort(@CompareRulesByStartTime);
  {$ELSE}
      LComparer := TComparer<TPRuleAndYear>.Construct(function(const A, B: TPRuleAndYear): Integer
      begin
        Result := CompareRulesByStartTime(A, B);
      end);
  