+(defun gnus-methods-sloppily-equal (m1 m2)
+ ;; Same method.
+ (or
+ (eq m1 m2)
+ ;; Type and name are equal.
+ (and
+ (eq (car m1) (car m2))
+ (equal (cadr m1) (cadr m2))
+ (gnus-sloppily-equal-method-parameters m1 m2))))
+
+(defsubst gnus-sloppily-equal-method-parameters (m1 m2)
+ ;; Check parameters for sloppy equalness.
+ (let ((p1 (copy-list (cddr m1)))
+ (p2 (copy-list (cddr m2)))
+ e1 e2)
+ (block nil
+ (while (setq e1 (pop p1))
+ (unless (setq e2 (assq (car e1) p2))
+ ;; The parameter doesn't exist in p2.
+ (return nil))
+ (setq p2 (delq e2 p2))
+ (unless (equalp e1 e2)
+ (if (not (and (stringp (cadr e1))
+ (stringp (cadr e2))))
+ (return nil)
+ ;; Special-case string parameter comparison so that we
+ ;; can uniquify them.
+ (let ((s1 (cadr e1))
+ (s2 (cadr e2)))
+ (when (string-match "/$" s1)
+ (setq s1 (directory-file-name s1)))
+ (when (string-match "/$" s2)
+ (setq s2 (directory-file-name s2)))
+ (unless (equal s1 s2)
+ (return nil))))))
+ ;; If p2 now is empty, they were equal.
+ (null p2))))
+