Backport changes:

Backport changes:
2004-02-19  Katsumi Yamaoka  <yamaoka@jpl.org>

	* wl-highlight.el (wl-highlight-signature-search): Don't use
	re-search-backward for a long word since it is possible to crash
	XEmacs because of a bug.

2004-01-15  Katsumi Yamaoka  <yamaoka@jpl.org>

	* wl-draft.el (wl-draft-highlight-and-recenter): Redraw frame just
	before calling `recenter' in order to cope with an XEmacs bug.

2004-01-03  Yoichi NAKAYAMA  <yoichi@geiin.org>

	* wl-address.el (wl-address-delete): Avoid mis-deleting.
	* wl-address.el (wl-address-add-or-change): Don't add empty
	address.