/* IEEE1800-2017 Clause 22.5.1 page 678
* NOTE: Illegal cases are not included in this testcase.
* NOTE: Use of EMPTY is suggested on page 679
*/

`define MACRO1(a=5,b="B",c) $display(a,,b,,c);
`define MACRO2(a=5, b, c="C") $display(a,,b,,c);
`define MACRO3(a=5, b=0, c="C") $display(a,,b,,c);

`define EMPTY

module m;
initial begin
  $display(5,,2,,3);
  $display(1,,"B",,3);
  $display(5,,2,,);
  $display(1,,,,3);
  $display(5,,2,,"C");
  $display(5,,2,,"C");
  $display(1,,0,,"C");
  $display(5,,0,,"C");

  $display(,,,,);
end
endmodule