+ * Revision 1.9 1999/08/02 16:53:48 mdw
+ * Improve type safety for sym_iter objects.
+ *
+ * Revision 1.8 1999/08/02 14:45:48 mdw
+ * Break low-level hashtable code out from sym.
+ *
+ * Revision 1.7 1999/06/01 09:49:33 mdw
+ * Allow things to be looked up by just their caller-supplied hashes. This
+ * actually needs to be thought through better.
+ *