#define ANYOF_ALNUM 0 /* \w, utf8::IsWord, isALNUM() */
#define ANYOF_NALNUM 1
-#define ANYOF_SPACE 2
+#define ANYOF_SPACE 2 /* \s */
#define ANYOF_NSPACE 3
#define ANYOF_DIGIT 4
#define ANYOF_NDIGIT 5
#define ANYOF_NUPPER 23
#define ANYOF_XDIGIT 24
#define ANYOF_NXDIGIT 25
+#define ANYOF_PSXSPC 26 /* POSIX space: \s plus the vertical tab */
+#define ANYOF_NPSXSPC 27
+#define ANYOF_BLANK 28
+#define ANYOF_NBLANK 29 /* GNU extension: space and tab */
-#define ANYOF_MAX 31
+#define ANYOF_MAX 32
/* Backward source code compatibility. */