* riece-history.el (riece-history-insinuate): In

* riece-history.el (riece-history-insinuate): In
riece-after-switch-to-channel-functions, check whether the last
channel is nil.

* riece-xemacs.el (riece-event-buffer): New alias.
(riece-event-point): New alias.

* riece-emacs.el (riece-event-buffer): New function.
(riece-event-point): New function.

* riece-display.el (riece-update-user-list-buffer): Use
riece-format-identity to add 'riece-identity property to user
names.

* riece-button.el (riece-user-button-popup-menu): New variable.
(riece-identity-button): Rename from riece-channel-button.
(riece-button-switch-to-identity): Rename from
riece-channel-button-action.
(riece-identity-button-popup-menu): Rename from
riece-channel-button-popup-menu; set point to the position the
event occurred.
(riece-user-button-join-partner): New function.
(riece-user-button-set-operators): New function.
(riece-user-button-set-speakers): New function.
(riece-user-button-finger): New function.
(riece-make-identity-button-map): New function.
(riece-button-map-identity-region): New function; splitted from
riece-button-add-identity-button.
(riece-button-add-identity-button): Use it.
(riece-button-update-user-list-buffer): New function.
(riece-button-insinuate): Add riece-button-update-user-list-buffer
to riece-update-buffer-functions.