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Complain if -[DIU] is given an empty argument. (Like many compilers over the years, we don't accept the argument appearing in the next argv word.) Warn about this in the man page too.
author David A. Holland
date Tue, 11 Jun 2013 18:32:41 -0400
parents 4f493fb35821
children
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1.
#define A(a) a
A();

2.
#define B(a, b) (a,b)
B(a, );
B(, b);
B( , );
B(a,);
B(,b);
B(,);

3.
#define C(a, b, c) (a,b,c)
C(a, b, );
C(a, , c);
C(, , c);
C(a, , );
C(, b, );
C(, , c);
C(, , )
C(a,b,);
C(a,,c);
C(,,c);
C(a,,);
C(,b,);
C(,,c);
C(,,)