+2000-05-20 Masahiro MURATA <muse@ba2.so-net.ne.jp>
+
+ * elmo-vars.el (elmo-use-overview-hashtb): New variable. If
+ non-nil, use hash table for overview.
+ (elmo-hash-maximum-size): New variable.
+ * elmo-msgdb.el (elmo-msgdb-overview-hashtb): New variable.
+ (elmo-msgdb-make-overview-hashtb): New function.
+ (elmo-msgdb-clear-overview-hashtb): New function.
+ (elmo-clear-hash-val): New macro.
+ All other related modules are changed.
+
2000-05-18 Yuuichi Teranishi <teranisi@gohome.org>
* elmo2.el (elmo-move-msgs): If there's other message with