(gnus-summary-refer-thread): Implement a version that uses *-request-thread.

[gnus] / lisp / gnus.el

diff --git a/lisp/gnus.el b/lisp/gnus.el
index 6f80bcd..3df6ddb 100644 (file)
--- a/lisp/gnus.el
+++ b/lisp/gnus.el
@@ -29,7 +29,7 @@
 
 (eval '(run-hooks 'gnus-load-hook))
 
-;; For Emacs < 22.2.
+;; For Emacs <22.2 and XEmacs.
 (eval-and-compile
   (unless (fboundp 'declare-function) (defmacro declare-function (&rest r))))
 
@@ -3390,14 +3390,14 @@ that that variable is buffer-local to the summary buffers."
 (defun gnus-news-group-p (group &optional article)
   "Return non-nil if GROUP (and ARTICLE) come from a news server."
   (cond ((gnus-member-of-valid 'post group) ;Ordinary news group
-        t)                             ;is news of course.
+        t)                                 ;is news of course.
        ((not (gnus-member-of-valid 'post-mail group)) ;Non-combined.
         nil)                           ;must be mail then.
        ((vectorp article)              ;Has header info.
         (eq (gnus-request-type group (mail-header-id article)) 'news))
-       ((null article)                 ;Hasn't header info
+       ((null article)                        ;Hasn't header info
         (eq (gnus-request-type group) 'news)) ;(unknown ==> mail)
-       ((< article 0)                  ;Virtual message
+       ((< article 0)                         ;Virtual message
         nil)                           ;we don't know, guess mail.
        (t                              ;Has positive number
         (eq (gnus-request-type group article) 'news)))) ;use it.
@@ -3922,8 +3922,11 @@ If ALLOW-LIST, also allow list as a result."
                           group 'params))))
 
 (defun gnus-group-set-parameter (group name value)
-  "Set parameter NAME to VALUE in GROUP."
-  (let ((info (gnus-get-info group)))
+  "Set parameter NAME to VALUE in GROUP.
+GROUP can also be an INFO structure."
+  (let ((info (if (listp group)
+                 group
+               (gnus-get-info group))))
     (when info
       (gnus-group-remove-parameter group name)
       (let ((old-params (gnus-info-params info))
@@ -3933,11 +3936,14 @@ If ALLOW-LIST, also allow list as a result."
                    (not (eq (caar old-params) name)))
            (setq new-params (append new-params (list (car old-params)))))
          (setq old-params (cdr old-params)))
-       (gnus-group-set-info new-params group 'params)))))
+       (gnus-group-set-info new-params (gnus-info-group info) 'params)))))
 
 (defun gnus-group-remove-parameter (group name)
-  "Remove parameter NAME from GROUP."
-  (let ((info (gnus-get-info group)))
+  "Remove parameter NAME from GROUP.
+GROUP can also be an INFO structure."
+  (let ((info (if (listp group)
+                 group
+               (gnus-get-info group))))
     (when info
       (let ((params (gnus-info-params info)))
        (when params