#define IFMATCH 56 /* 0x38 Succeeds if the following matches. */
#define UNLESSM 57 /* 0x39 Fails if the following matches. */
#define SUSPEND 58 /* 0x3a "Independent" sub-RE. */
-#define IFTHEN 59 /* 0x3b Switch, should be preceeded by switcher . */
+#define IFTHEN 59 /* 0x3b Switch, should be preceded by switcher . */
#define GROUPP 60 /* 0x3c Whether the group matched. */
#define LONGJMP 61 /* 0x3d Jump far away. */
#define BRANCHJ 62 /* 0x3e BRANCH with long offset. */