* wl-summary.el (wl-summary-update-mark-and-highlight-window): New function.

* wl-summary.el (wl-summary-update-mark-and-highlight-window): New function.
(wl-summary-window-scroll-functions): Call it when both
wl-summary-lazy-highlight and wl-summary-lazy-update-mark are non-nil.
(wl-summary-temp-mark): Added optional argument number.
(wl-summary-message-mark): Added optional argument flag.
(wl-summary-persistent-mark): Added optional argument number and flag.
(wl-summary-update-persistent-mark): Ditto.
(wl-summary-update-status-marks): Set "r" for interactive spec.

* wl-highlight.el (wl-highlight-summary-current-line): Added optional
argument number and flag.

* wl-action.el (wl-summary-registered-temp-mark):
Do nothing when wl-summary-buffer-temp-mark-list is nil.