Implemented non-recursive SRE matching.
diff --git a/Modules/sre_constants.h b/Modules/sre_constants.h
index 619ea00..13c8958 100644
--- a/Modules/sre_constants.h
+++ b/Modules/sre_constants.h
@@ -11,7 +11,7 @@
* See the _sre.c file for information on usage and redistribution.
*/
-#define SRE_MAGIC 20030419
+#define SRE_MAGIC 20031017
#define SRE_OP_FAILURE 0
#define SRE_OP_SUCCESS 1
#define SRE_OP_ANY 2
@@ -25,24 +25,25 @@
#define SRE_OP_CHARSET 10
#define SRE_OP_BIGCHARSET 11
#define SRE_OP_GROUPREF 12
-#define SRE_OP_GROUPREF_IGNORE 13
-#define SRE_OP_IN 14
-#define SRE_OP_IN_IGNORE 15
-#define SRE_OP_INFO 16
-#define SRE_OP_JUMP 17
-#define SRE_OP_LITERAL 18
-#define SRE_OP_LITERAL_IGNORE 19
-#define SRE_OP_MARK 20
-#define SRE_OP_MAX_UNTIL 21
-#define SRE_OP_MIN_UNTIL 22
-#define SRE_OP_NOT_LITERAL 23
-#define SRE_OP_NOT_LITERAL_IGNORE 24
-#define SRE_OP_NEGATE 25
-#define SRE_OP_RANGE 26
-#define SRE_OP_REPEAT 27
-#define SRE_OP_REPEAT_ONE 28
-#define SRE_OP_SUBPATTERN 29
-#define SRE_OP_MIN_REPEAT_ONE 30
+#define SRE_OP_GROUPREF_EXISTS 13
+#define SRE_OP_GROUPREF_IGNORE 14
+#define SRE_OP_IN 15
+#define SRE_OP_IN_IGNORE 16
+#define SRE_OP_INFO 17
+#define SRE_OP_JUMP 18
+#define SRE_OP_LITERAL 19
+#define SRE_OP_LITERAL_IGNORE 20
+#define SRE_OP_MARK 21
+#define SRE_OP_MAX_UNTIL 22
+#define SRE_OP_MIN_UNTIL 23
+#define SRE_OP_NOT_LITERAL 24
+#define SRE_OP_NOT_LITERAL_IGNORE 25
+#define SRE_OP_NEGATE 26
+#define SRE_OP_RANGE 27
+#define SRE_OP_REPEAT 28
+#define SRE_OP_REPEAT_ONE 29
+#define SRE_OP_SUBPATTERN 30
+#define SRE_OP_MIN_REPEAT_ONE 31
#define SRE_AT_BEGINNING 0
#define SRE_AT_BEGINNING_LINE 1
#define SRE_AT_BEGINNING_STRING 2