+
+/* Everything that folds to a given character, for case insensitivity regex
+ * matching */
+PERLVARI(Iutf8_foldclosures, HV *, NULL)
+
+/* List of characters that participate in folds (except marks, etc in
+ * multi-char folds) */
+PERLVARI(Iutf8_foldable, HV *, NULL)
+
+PERLVAR(Icustom_ops, HV *) /* custom op registrations */
+