* wl-summary.el (wl-summary-cursor-move): If return value of

* wl-summary.el (wl-summary-cursor-move): If return value of
wl-summary-next-message is not number, don't jump.

* elmo-util.el (elmo-get-network-stream-type): Moved to elmo-net.el.

* elmo-net.el (elmo-get-network-stream-type): Moved from elmo-util.el
and re-written.

* elmo-imap4.el (elmo-folder-initialize): Use
elmo-get-network-stream-type.

* elmo-nntp.el (elmo-folder-initialize): Ditto.

* elmo-pop3.el (elmo-folder-initialize): Ditto.