+ * Revision 1.15 2000/07/16 12:29:16 mdw
+ * Change to arena `realloc' interface, to fix a design bug.
+ *
+ * Revision 1.14 2000/06/17 10:37:39 mdw
+ * Add support for arena management.
+ *
+ * Revision 1.13 1999/12/22 15:39:28 mdw
+ * Fix overflow in dstr_putline.
+ *