* riece-xemacs.el (riece-make-overlay): New alias.

* riece-xemacs.el (riece-make-overlay): New alias.
(riece-overlay-put): New alias.
(riece-overlay-start): New alias.
(riece-overlay-buffer): New alias.

* riece-emacs.el (riece-make-overlay): New alias.
(riece-overlay-put): New alias.
(riece-overlay-start): New alias.
(riece-overlay-buffer): New alias.

* riece-keyword.el: New add-on.
* COMPILE (riece-modules): Add riece-keyword.
* Makefile.am (EXTRA_DIST): Add riece-keyword.el

* riece-message.el (riece-message-filter-functions): New user option.
(riece-display-message-1): New function.
(riece-display-message): Use it.