UNASSIGNED        728 ext/intl/converter/converter.c 		UCNV_REASON_CASE(UNASSIGNED)
UNASSIGNED       1092 ext/intl/converter/converter.c 	CONV_REASON_CONST(UNASSIGNED);
UNASSIGNED          2 ext/intl/uchar/ucharcategory-enum.h UCHARCATEGORY(UNASSIGNED)