add DEF_BOUND

Include/symtable.h

@@ -71,11 +71,13 @@ DL_IMPORT(void) PySymtable_Free(struct symtable *);
 #define DEF_STAR 2<<3          /* parameter is star arg */
 #define DEF_DOUBLESTAR 2<<4    /* parameter is star-star arg */
 #define DEF_INTUPLE 2<<5       /* name defined in tuple in parameters */
-#define DEF_FREE 2<<6          /* name used by not defined in nested scope */
+#define DEF_FREE 2<<6          /* name used but not defined in nested scope */
 #define DEF_FREE_GLOBAL 2<<7   /* free variable is actually implicit global */
 #define DEF_FREE_CLASS 2<<8    /* free variable from class's method */
 #define DEF_IMPORT 2<<9        /* assignment occurred via import */
 
+#define DEF_BOUND (DEF_LOCAL | DEF_PARAM | DEF_IMPORT)
+
 #define TYPE_FUNCTION 1
 #define TYPE_CLASS 2
 #define TYPE_MODULE 3