#define EXACTFU 38 /* 0x26 Match this string (folded iff in UTF-8, length in folding doesn't change if not in UTF-8) using /iu rules (w/len). */
#define EXACTFAA 39 /* 0x27 Match this string (not guaranteed to be folded) using /iaa rules (w/len). */
#define EXACTFU_SS 40 /* 0x28 Match this string (folded iff in UTF-8, length in folding may change even if not in UTF-8) using /iu rules (w/len). */
-#define EXACTFLU8 41 /* 0x29 Rare cirucmstances: like EXACTFU, but is under /l, UTF-8, folded, and everything in it is above 255. */
+#define EXACTFLU8 41 /* 0x29 Rare circumstances: like EXACTFU, but is under /l, UTF-8, folded, and everything in it is above 255. */
#define EXACTFAA_NO_TRIE 42 /* 0x2a Match this string (which is not trie-able; not guaranteed to be folded) using /iaa rules (w/len). */
#define NOTHING 43 /* 0x2b Match empty string. */
#define TAIL 44 /* 0x2c Match empty string. Can jump here from outside. */