;;; gnus-logic.el --- advanced scoring code for Gnus
-;; Copyright (C) 1996,97,98 Free Software Foundation, Inc.
+;; Copyright (C) 1996, 1997, 1998, 1999, 2000
+;; Free Software Foundation, Inc.
;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
;; Keywords: news
(let* ((type (or type 's))
(case-fold-search (not (eq (downcase (symbol-name type))
(symbol-name type))))
- (header (aref gnus-advanced-headers index)))
+ (header (or (aref gnus-advanced-headers index) "")))
(cond
((memq type '(r R regexp Regexp))
(string-match match header))
((memq type '(s S string String))
'search-forward)
(t
- (error "Illegal match type: %s" type)))))
+ (error "Invalid match type: %s" type)))))
(goto-char (point-min))
(prog1
(funcall search-func match nil t)