{ initializer-list , }

[Bob Larson]

It is VERY useful.  Try the following without it:
(Case D, E, and F may be added later.)

/* one or more of A, B and C are defined */
char *foo[] = {	/* must be alphabetical */
#ifdef A
	"a",
#endif
#ifdef B
	"b",
#endif
#ifdef C
	"c",
#endif
};
Bob Larson	Arpa: Blarson at Ecla.Usc.Edu	blarson at skat.usc.edu
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