* (gnus-summary-gather-references): New function.

(gnus-summary-reply): Use it
(gnus-post-news): Use it.

diff --git a/lisp/gnus-msg.el b/lisp/gnus-msg.el
index 7bce9b8..e001e7e 100644 (file)
--- a/lisp/gnus-msg.el
+++ b/lisp/gnus-msg.el
@@ -6,6 +6,7 @@
 ;;     MORIOKA Tomohiko <morioka@jaist.ac.jp>
 ;;     Shuhei KOBAYASHI <shuhei-k@jaist.ac.jp>
 ;;     Katsumi Yamaoka  <yamaoka@jpl.org>
+;;     Kiyokazu SUTO    <suto@merry.xmath.ous.ac.jp>
 ;; Keywords: mail, news, MIME
 
 ;; This file is part of GNU Emacs.
@@ -349,6 +350,42 @@ If prefix argument YANK is non-nil, original article is yanked automatically."
   (interactive "P")
   (gnus-summary-followup (gnus-summary-work-articles arg) t))
 
+(defun gnus-summary-gather-references (articles)
+  (and articles
+  (let ((tbuf (gnus-get-buffer-create " *gnus-summary-gather-references*"))
+       refs ref article i)
+    (save-excursion
+      (set-buffer tbuf)
+      (erase-buffer)
+      (while (setq article (pop articles))
+       (save-window-excursion
+         (set-buffer gnus-summary-buffer)
+         (gnus-summary-select-article nil nil nil article)
+         (gnus-summary-remove-process-mark article))
+       (gnus-copy-article-buffer)
+       (set-buffer gnus-article-copy)
+       (save-restriction
+         (message-narrow-to-head)
+         (setq refs (if articles
+                        (concat (message-fetch-field "references")
+                                (message-fetch-field "message-id"))
+                      (message-fetch-field "references"))
+               i 0)
+         (widen)
+         (if refs
+             (progn (set-buffer tbuf)
+                    (while (string-match "<[^>]+>" refs i)
+                      (setq i (match-end 0)
+                            ref (substring refs (match-beginning 0) i))
+                      (goto-char (point-max))
+                      (unless (search-backward ref (point-min) t)
+                        (insert " " ref)))))))
+      (set-buffer tbuf)
+      (goto-char (point-min))
+      (if (looking-at "\\s +")
+       (goto-char (match-end 0)))
+          (buffer-substring (point) (point-max))))))
+
 (defun gnus-inews-yank-articles (articles)
   (let (beg article)
     (message-goto-body)
@@ -490,7 +527,8 @@ header line with the old Message-ID."
                (message-news (or to-group group))
              (set-buffer gnus-article-copy)
              (gnus-msg-treat-broken-reply-to)
-             (message-followup (if (or newsgroup-p force-news) nil to-group)))
+             (message-followup (if (or newsgroup-p force-news) nil to-group)
+                               (gnus-summary-gather-references yank)))
          ;; The is mail.
          (if post
              (progn
@@ -504,7 +542,7 @@ header line with the old Message-ID."
                        message-send-actions)))
            (set-buffer gnus-article-copy)
            (gnus-msg-treat-broken-reply-to)
-           (message-wide-reply to-address)))
+           (message-wide-reply to-address (gnus-summary-gather-references yank))))
        (when yank
          (gnus-inews-yank-articles yank))))))
 
@@ -656,7 +694,7 @@ automatically."
       (gnus-summary-select-article)
       (set-buffer (gnus-copy-article-buffer))
       (gnus-msg-treat-broken-reply-to)
-      (message-reply nil wide)
+      (message-reply nil wide (gnus-summary-gather-references yank))
       (when yank
        (gnus-inews-yank-articles yank)))))