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// insert a space between two tokens if otherwise they
// would form a single token when read back
#define n(x) x
return (n(long)n(double))d;
return n(A)n(++)n(+)n(B);
return n(A)n(+)n(++)n(B);
return n(A)n(++)n(+)n(+)n(B);
// not a hex float
return n(0x1E)n(-1);
// unlike gcc but correct
// XXX: return n(x)+n(x)-n(1)+n(1)-2;
// unlike gcc, but cannot appear in valid C
// XXX: return n(x)n(x)n(1)n(2)n(x);
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