* WL-ELS (WL-MODULES): Added wl-action.

* WL-ELS (WL-MODULES): Added wl-action.

* wl.el (toplevel): Require wl-action.
(wl-init): Call wl-summary-define-mark-action.

* wl-vars.el (wl-summary-mark-action-list): Changed specification.

* wl-summary.el (wl-summary-mode-menu-spec): Follow the rename of
wl-summary-delete and wl-summary-erase.
(wl-summary-mode-map): Ditto.

* wl-vars.el (wl-dispose-folder-alist): Renamed from
wl-delete-folder-alist.

* wl-summary.el (wl-summary-prefetch-region-no-mark): Use
wl-summary-prefetch-msg instead of wl-summary-prefetch.
(toplevel): Moved mark & action related functions to the wl-action.el.

* wl-highlight.el (wl-highlight-summary-line-string): Follow the change
in wl-summary-mark-action-list.
(wl-highlight-summary-current-line): Ditto.

* wl-draft.el (wl-draft-normal-send-func): Fixed bug for removing
empty lines.

* wl-action.el: New file.