/* This next group is only used on EBCDIC platforms, so theoretically could be
* shared with something entirely different that's only on ASCII platforms */
-# define _CC_UTF8_IS_START 29
-# define _CC_UTF8_IS_DOWNGRADEABLE_START 30
-# define _CC_UTF8_IS_CONTINUATION 31
-/* Unused: 24-28
+# define _CC_UTF8_START_BYTE_IS_FOR_AT_LEAST_SURROGATE 28
+# define _CC_UTF8_IS_START 29
+# define _CC_UTF8_IS_DOWNGRADEABLE_START 30
+# define _CC_UTF8_IS_CONTINUATION 31
+/* Unused: 24-27
* If more bits are needed, one could add a second word for non-64bit
* QUAD_IS_INT systems, using some #ifdefs to distinguish between having a 2nd
* word or not. The IS_IN_SOME_FOLD bit is the most easily expendable, as it