-- fixed width calculations for alternations

-- fixed literal check in branch operator
   (this broke test_tokenize, as reported by Mark Favas)
-- added REPEAT_ONE operator (still not enabled, though)
-- added some debugging stuff (maxlevel)

Modules/sre.h

@@ -74,6 +74,8 @@ typedef struct {
     SRE_REPEAT *repeat; /* current repeat context */
     /* hooks */
     SRE_TOLOWER_HOOK lower;
+    /* debugging */
+    int maxlevel;
 } SRE_STATE;
 
 typedef struct {