[Lazarus] DateDif function needed

[leledumbo]

Indeed that was wrong, I shouldn't exploit the internal details. Below is the
correct one (still no need for that complicated code of yours):

uses 
  SysUtils,DateUtils; 
var 
  Date1,Date2: TDate; 
  Y,M,D: Word; 
begin 
  Date1 := EncodeDate(2012,12,21); 
  Date2 := EncodeDate(2013,01,01);
  Y := YearsBetween(Date1,Date2);
  M := MonthsBetween(Date1,Date2);
  D := DaysBetween(Date1,Date2);
  WriteLn(Y,'-',M,'-',D);
end. 




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