This is transient implementation for UI testing.

This is transient implementation for UI testing.

* wl-summary.el (wl-summary-number-list-from-region): New
function.
(wl-summary-mark-as-read-region): Use it.
(wl-summary-mark-as-unread-region): Ditto.
(wl-summary-set-flags-region): Ditto and add optional argument
remove.
(wl-summary-mark-as-answered-region): Ditto.
(wl-summary-mark-as-important-region): Ditto.
(wl-summary-target-mark-mark-as-important): Added optional
argument remove.
(wl-summary-target-mark-mark-as-answered): Ditto.
(wl-summary-target-mark-set-flags): Ditto.