PERLVAR(Treg_match_utf8, bool) /* was what we matched against utf8 */
+/* the currently active slab in a chain of slabs of regmatch states,
+ * and the currently active state within that slab */
+
+PERLVARI(Tregmatch_slab, regmatch_slab *, NULL)
+PERLVAR(Tregmatch_state, regmatch_state *)