+ * Revision 1.12 2001/01/20 11:49:37 mdw
+ * Export tuning parameters from header file, for the benefit of other
+ * hashtable implementations. Change the storage of symbol names: store
+ * the name after the allocated symbol block in all cases. This replaces
+ * the previous complicated and slightly wasteful arrangement.
+ *
+ * Revision 1.11 2000/06/17 10:37:39 mdw
+ * Add support for arena management.
+ *
+ * Revision 1.10 1999/12/10 23:42:04 mdw
+ * Change header file guard names.
+ *
+ * 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.
+ *