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E2187: Size of published set '%s' is >4 bytes (Delphi)

The compiler does not allow sets greater than 32 bits to be contained in a published section. The size, in bytes, of a set can be calculated by High(setname) div 8 - Low(setname) div 8 + 1. -$M+

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(*$TYPEINFO ON*)
program Produce;
  type
    CharSet = set of Char;
    NamePlate = class
      Characters : CharSet;
    published
      property TooBig : CharSet read Characters write Characters ;
    end;

begin
end.
    (*$TYPEINFO ON*)
program Solve;
  type
    CharSet = set of 'A'..'Z';
    NamePlate = class
      Characters : CharSet;
    published
      property TooBig : CharSet read Characters write Characters ;
    end;

begin
end.
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