[Emacs-diffs] Changes to emacs/lisp/gnus/nnwarchive.el [gnus-5_10-branch]

[Andreas Schwab]

Index: emacs/lisp/gnus/nnwarchive.el
diff -c /dev/null emacs/lisp/gnus/nnwarchive.el:1.4.2.1
*** /dev/null   Thu Jul 22 16:47:19 2004
--- emacs/lisp/gnus/nnwarchive.el       Thu Jul 22 16:45:51 2004
***************
*** 0 ****
--- 1,727 ----
+ ;;; nnwarchive.el --- interfacing with web archives
+ ;; Copyright (C) 1999, 2000, 2003 Free Software Foundation, Inc.
+ 
+ ;; Author: Shenghuo Zhu <address@hidden>
+ ;; Keywords: news egroups mail-archive
+ 
+ ;; This file is part of GNU Emacs.
+ 
+ ;; GNU Emacs is free software; you can redistribute it and/or modify
+ ;; it under the terms of the GNU General Public License as published
+ ;; by the Free Software Foundation; either version 2, or (at your
+ ;; option) any later version.
+ 
+ ;; GNU Emacs is distributed in the hope that it will be useful, but
+ ;; WITHOUT ANY WARRANTY; without even the implied warranty of
+ ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ ;; General Public License for more details.
+ 
+ ;; You should have received a copy of the GNU General Public License
+ ;; along with GNU Emacs; see the file COPYING.  If not, write to the
+ ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ ;; Boston, MA 02111-1307, USA.
+ 
+ ;;; Commentary:
+ 
+ ;; Note: You need to have `url' (w3 0.46) or greater version
+ ;; installed for some functions of this backend to work.
+ 
+ ;; Todo:
+ ;; 1. To support more web archives.
+ ;; 2. Generalize webmail to other MHonArc archive.
+ 
+ ;;; Code:
+ 
+ (eval-when-compile (require 'cl))
+ 
+ (require 'nnoo)
+ (require 'message)
+ (require 'gnus-util)
+ (require 'gnus)
+ (require 'gnus-bcklg)
+ (require 'nnmail)
+ (require 'mm-util)
+ (require 'mm-url)
+ 
+ (nnoo-declare nnwarchive)
+ 
+ (defvar nnwarchive-type-definition
+   '((egroups
+      (address . "www.egroups.com")
+      (open-url
+       "http://www.egroups.com/login.cgi?&login_email=%s&login_password=%s";
+       nnwarchive-login nnwarchive-passwd)
+      (list-url
+       "http://www.egroups.com/mygroups";)
+      (list-dissect . nnwarchive-egroups-list)
+      (list-groups . nnwarchive-egroups-list-groups)
+      (xover-url
+       "http://www.egroups.com/messages/%s/%d"; group aux)
+      (xover-last-url
+       "http://www.egroups.com/messages/%s/"; group)
+      (xover-page-size . 13)
+      (xover-dissect . nnwarchive-egroups-xover)
+      (article-url
+       "http://www.egroups.com/message/%s/%d?source=1"; group article)
+      (article-dissect . nnwarchive-egroups-article)
+      (authentication . t)
+      (article-offset . 0)
+      (xover-files . nnwarchive-egroups-xover-files))
+     (mail-archive
+      (address . "www.mail-archive.com")
+      (open-url)
+      (list-url
+       "http://www.mail-archive.com/lists.html";)
+      (list-dissect . nnwarchive-mail-archive-list)
+      (list-groups . nnwarchive-mail-archive-list-groups)
+      (xover-url
+       "http://www.mail-archive.com/%s/mail%d.html"; group aux)
+      (xover-last-url
+       "http://www.mail-archive.com/%s/maillist.html"; group)
+      (xover-page-size)
+      (xover-dissect . nnwarchive-mail-archive-xover)
+      (article-url
+       "http://www.mail-archive.com/%s/msg%05d.html"; group article1)
+      (article-dissect . nnwarchive-mail-archive-article)
+      (xover-files . nnwarchive-mail-archive-xover-files)
+      (authentication)
+      (article-offset . 1))))
+ 
+ (defvar nnwarchive-default-type 'egroups)
+ 
+ (defvoo nnwarchive-directory (nnheader-concat gnus-directory "warchive/")
+   "Where nnwarchive will save its files.")
+ 
+ (defvoo nnwarchive-type nil
+     "The type of nnwarchive.")
+ 
+ (defvoo nnwarchive-address ""
+   "The address of nnwarchive.")
+ 
+ (defvoo nnwarchive-login nil
+   "Your login name for the group.")
+ 
+ (defvoo nnwarchive-passwd nil
+   "Your password for the group.")
+ 
+ (defvoo nnwarchive-groups nil)
+ 
+ (defvoo nnwarchive-headers-cache nil)
+ 
+ (defvoo nnwarchive-authentication nil)
+ 
+ (defvoo nnwarchive-nov-is-evil nil)
+ 
+ (defconst nnwarchive-version "nnwarchive 1.0")
+ 
+ ;;; Internal variables
+ 
+ (defvoo nnwarchive-open-url nil)
+ (defvoo nnwarchive-open-dissect nil)
+ 
+ (defvoo nnwarchive-list-url nil)
+ (defvoo nnwarchive-list-dissect nil)
+ (defvoo nnwarchive-list-groups nil)
+ 
+ (defvoo nnwarchive-xover-files nil)
+ (defvoo nnwarchive-xover-url nil)
+ (defvoo nnwarchive-xover-last-url nil)
+ (defvoo nnwarchive-xover-dissect nil)
+ (defvoo nnwarchive-xover-page-size nil)
+ 
+ (defvoo nnwarchive-article-url nil)
+ (defvoo nnwarchive-article-dissect nil)
+ (defvoo nnwarchive-xover-files nil)
+ (defvoo nnwarchive-article-offset 0)
+ 
+ (defvoo nnwarchive-buffer nil)
+ 
+ (defvoo nnwarchive-keep-backlog 300)
+ (defvar nnwarchive-backlog-articles nil)
+ (defvar nnwarchive-backlog-hashtb nil)
+ 
+ (defvoo nnwarchive-headers nil)
+ 
+ 
+ ;;; Interface functions
+ 
+ (nnoo-define-basics nnwarchive)
+ 
+ (defun nnwarchive-set-default (type)
+   (let ((defs (cdr (assq type nnwarchive-type-definition)))
+       def)
+     (dolist (def defs)
+       (set (intern (concat "nnwarchive-" (symbol-name (car def))))
+          (cdr def)))))
+ 
+ (defmacro nnwarchive-backlog (&rest form)
+   `(let ((gnus-keep-backlog nnwarchive-keep-backlog)
+        (gnus-backlog-buffer
+         (format " *nnwarchive backlog %s*" nnwarchive-address))
+        (gnus-backlog-articles nnwarchive-backlog-articles)
+        (gnus-backlog-hashtb nnwarchive-backlog-hashtb))
+      (unwind-protect
+        (progn ,@form)
+        (setq nnwarchive-backlog-articles gnus-backlog-articles
+            nnwarchive-backlog-hashtb gnus-backlog-hashtb))))
+ (put 'nnwarchive-backlog 'lisp-indent-function 0)
+ (put 'nnwarchive-backlog 'edebug-form-spec '(form body))
+ 
+ (defun nnwarchive-backlog-enter-article (group number buffer)
+   (nnwarchive-backlog
+     (gnus-backlog-enter-article group number buffer)))
+ 
+ (defun nnwarchive-get-article (article &optional group server buffer)
+   (if (numberp article)
+       (if (nnwarchive-backlog
+           (gnus-backlog-request-article group article
+                                         (or buffer nntp-server-buffer)))
+         (cons group article)
+       (let (contents)
+         (save-excursion
+           (set-buffer nnwarchive-buffer)
+           (goto-char (point-min))
+           (let ((article1 (- article nnwarchive-article-offset)))
+             (nnwarchive-url nnwarchive-article-url))
+           (setq contents (funcall nnwarchive-article-dissect group article)))
+         (when contents
+           (save-excursion
+             (set-buffer (or buffer nntp-server-buffer))
+             (erase-buffer)
+             (insert contents)
+             (nnwarchive-backlog-enter-article group article (current-buffer))
+             (nnheader-report 'nnwarchive "Fetched article %s" article)
+             (cons group article)))))
+     nil))
+ 
+ (deffoo nnwarchive-retrieve-headers (articles &optional group server 
fetch-old)
+   (nnwarchive-possibly-change-server group server)
+   (if (or gnus-nov-is-evil nnwarchive-nov-is-evil)
+       (with-temp-buffer
+       (with-current-buffer nntp-server-buffer
+         (erase-buffer))
+       (let ((buf (current-buffer)) b e)
+         (dolist (art articles)
+           (nnwarchive-get-article art group server buf)
+           (setq b (goto-char (point-min)))
+           (if (search-forward "\n\n" nil t)
+               (forward-char -1)
+             (goto-char (point-max)))
+           (setq e (point))
+           (with-current-buffer nntp-server-buffer
+             (insert (format "221 %d Article retrieved.\n" art))
+             (insert-buffer-substring buf b e)
+             (insert ".\n"))))
+       'headers)
+     (setq nnwarchive-headers (cdr (assoc group nnwarchive-headers-cache)))
+     (save-excursion
+       (set-buffer nnwarchive-buffer)
+       (erase-buffer)
+       (funcall nnwarchive-xover-files group articles))
+     (save-excursion
+       (set-buffer nntp-server-buffer)
+       (erase-buffer)
+       (let (header)
+       (dolist (art articles)
+       (if (setq header (assq art nnwarchive-headers))
+           (nnheader-insert-nov (cdr header))))))
+     (let ((elem (assoc group nnwarchive-headers-cache)))
+       (if elem
+         (setcdr elem nnwarchive-headers)
+       (push (cons group nnwarchive-headers) nnwarchive-headers-cache)))
+     'nov))
+ 
+ (deffoo nnwarchive-request-group (group &optional server dont-check)
+   (nnwarchive-possibly-change-server nil server)
+   (when (and (not dont-check) nnwarchive-list-groups)
+     (funcall nnwarchive-list-groups (list group))
+     (nnwarchive-write-groups))
+   (let ((elem (assoc group nnwarchive-groups)))
+     (cond
+      ((not elem)
+       (nnheader-report 'nnwarchive "Group does not exist"))
+      (t
+       (nnheader-report 'nnwarchive "Opened group %s" group)
+       (nnheader-insert
+        "211 %d %d %d %s\n" (or (cadr elem) 0) 1 (or (cadr elem) 0)
+        (prin1-to-string group))
+       t))))
+ 
+ (deffoo nnwarchive-request-article (article &optional group server buffer)
+   (nnwarchive-possibly-change-server group server)
+   (nnwarchive-get-article article group server buffer))
+ 
+ (deffoo nnwarchive-close-server (&optional server)
+   (when (and (nnwarchive-server-opened server)
+            (gnus-buffer-live-p nnwarchive-buffer))
+     (save-excursion
+       (set-buffer nnwarchive-buffer)
+       (kill-buffer nnwarchive-buffer)))
+   (nnwarchive-backlog
+     (gnus-backlog-shutdown))
+   (nnoo-close-server 'nnwarchive server))
+ 
+ (deffoo nnwarchive-request-list (&optional server)
+   (nnwarchive-possibly-change-server nil server)
+   (save-excursion
+     (set-buffer nnwarchive-buffer)
+     (erase-buffer)
+     (if nnwarchive-list-url
+       (nnwarchive-url nnwarchive-list-url))
+     (if nnwarchive-list-dissect
+       (funcall nnwarchive-list-dissect))
+     (nnwarchive-write-groups)
+     (nnwarchive-generate-active))
+   t)
+ 
+ (deffoo nnwarchive-open-server (server &optional defs connectionless)
+   (nnoo-change-server 'nnwarchive server defs)
+   (nnwarchive-init server)
+   (when nnwarchive-authentication
+     (setq nnwarchive-login
+         (or nnwarchive-login
+             (read-string
+                (format "Login at %s: " server)
+                user-mail-address)))
+     (setq nnwarchive-passwd
+         (or nnwarchive-passwd
+             (read-passwd
+              (format "Password for %s at %s: "
+                      nnwarchive-login server)))))
+   (unless nnwarchive-groups
+     (nnwarchive-read-groups))
+   (save-excursion
+     (set-buffer nnwarchive-buffer)
+     (erase-buffer)
+     (if nnwarchive-open-url
+       (nnwarchive-url nnwarchive-open-url))
+     (if nnwarchive-open-dissect
+       (funcall nnwarchive-open-dissect)))
+   t)
+ 
+ (nnoo-define-skeleton nnwarchive)
+ 
+ ;;; Internal functions
+ 
+ (defun nnwarchive-possibly-change-server (&optional group server)
+   (nnwarchive-init server)
+   (when (and server
+            (not (nnwarchive-server-opened server)))
+     (nnwarchive-open-server server)))
+ 
+ (defun nnwarchive-read-groups ()
+   (let ((file (expand-file-name (concat "groups-" nnwarchive-address)
+                               nnwarchive-directory)))
+     (when (file-exists-p file)
+       (with-temp-buffer
+       (insert-file-contents file)
+       (goto-char (point-min))
+       (setq nnwarchive-groups (read (current-buffer)))))))
+ 
+ (defun nnwarchive-write-groups ()
+   (with-temp-file (expand-file-name (concat "groups-" nnwarchive-address)
+                                   nnwarchive-directory)
+     (prin1 nnwarchive-groups (current-buffer))))
+ 
+ (defun nnwarchive-init (server)
+   "Initialize buffers and such."
+   (let ((type (intern server)) (defs nnwarchive-type-definition) def)
+     (cond
+      ((equal server "")
+       (setq type nnwarchive-default-type))
+      ((assq type nnwarchive-type-definition) t)
+      (t
+       (setq type nil)
+       (while (setq def (pop defs))
+       (when (equal (cdr (assq 'address (cdr def))) server)
+         (setq defs nil)
+         (setq type (car def))))
+       (unless type
+       (error "Undefined server %s" server))))
+     (setq nnwarchive-type type))
+   (unless (file-exists-p nnwarchive-directory)
+     (gnus-make-directory nnwarchive-directory))
+   (unless (gnus-buffer-live-p nnwarchive-buffer)
+     (setq nnwarchive-buffer
+         (save-excursion
+           (nnheader-set-temp-buffer
+            (format " *nnwarchive %s %s*" nnwarchive-type server)))))
+   (nnwarchive-set-default nnwarchive-type))
+ 
+ (defun nnwarchive-eval (expr)
+   (cond
+    ((consp expr)
+     (cons (nnwarchive-eval (car expr)) (nnwarchive-eval (cdr expr))))
+    ((symbolp expr)
+     (eval expr))
+    (t
+     expr)))
+ 
+ (defun nnwarchive-url (xurl)
+   (mm-with-unibyte-current-buffer
+     (let ((url-confirmation-func 'identity) ;; Some hacks.
+         (url-cookie-multiple-line nil))
+       (cond
+        ((eq (car xurl) 'post)
+       (pop xurl)
+       (mm-url-fetch-form (car xurl) (nnwarchive-eval (cdr xurl))))
+        (t
+       (mm-url-insert (apply 'format (nnwarchive-eval xurl))))))))
+ 
+ (defun nnwarchive-generate-active ()
+   (save-excursion
+     (set-buffer nntp-server-buffer)
+     (erase-buffer)
+     (dolist (elem nnwarchive-groups)
+       (insert (prin1-to-string (car elem))
+             " " (number-to-string (or (cadr elem) 0)) " 1 y\n"))))
+ 
+ (defun nnwarchive-paged (articles)
+   (let (art narts next)
+     (while (setq art (pop articles))
+       (when (and (>= art (or next 0))
+                (not (assq art nnwarchive-headers)))
+       (push art narts)
+       (setq next (+ art nnwarchive-xover-page-size))))
+     narts))
+ 
+ ;; egroups
+ 
+ (defun nnwarchive-egroups-list-groups (groups)
+   (save-excursion
+     (let (articles)
+       (set-buffer nnwarchive-buffer)
+       (dolist (group groups)
+       (erase-buffer)
+       (nnwarchive-url nnwarchive-xover-last-url)
+       (goto-char (point-min))
+       (when (re-search-forward "of \\([0-9]+\\)[ \t\n\r]*</title>" nil t)
+         (setq articles (string-to-number (match-string 1))))
+       (let ((elem (assoc group nnwarchive-groups)))
+         (if elem
+             (setcar (cdr elem) articles)
+           (push (list group articles "") nnwarchive-groups)))
+       (setq nnwarchive-headers (cdr (assoc group nnwarchive-headers-cache)))
+       (nnwarchive-egroups-xover group)
+       (let ((elem (assoc group nnwarchive-headers-cache)))
+         (if elem
+             (setcdr elem nnwarchive-headers)
+           (push (cons group nnwarchive-headers) 
nnwarchive-headers-cache)))))))
+ 
+ (defun nnwarchive-egroups-list ()
+   (let ((case-fold-search t)
+       group description elem articles)
+     (goto-char (point-min))
+     (while
+       (re-search-forward "href=\"/group/\\([^/\"\> ]+\\)" nil t)
+       (setq group (match-string 1)
+           description (match-string 2))
+       (if (setq elem (assoc group nnwarchive-groups))
+         (setcar (cdr elem) 0)
+       (push (list group articles description) nnwarchive-groups))))
+   t)
+ 
+ (defun nnwarchive-egroups-xover (group)
+   (let (article subject from date)
+     (goto-char (point-min))
+     (while (re-search-forward
+           "<a href=\"/group/\\([^/]+\\)/\\([0-9]+\\)[^>]+>\\([^<]+\\)<"
+           nil t)
+       (setq group  (match-string 1)
+           article (string-to-number (match-string 2))
+           subject (match-string 3))
+       (forward-line 1)
+       (unless (assq article nnwarchive-headers)
+       (if (looking-at "<td[^>]+><font[^>]+>\\([^<]+\\)</font>")
+           (setq from (match-string 1)))
+       (forward-line 1)
+       (if (looking-at "<td[^>]+><font[^>]+>\\([^<]+\\)</font>")
+           (setq date (identity (match-string 1))))
+       (push (cons
+              article
+              (make-full-mail-header
+               article
+               (mm-url-decode-entities-string subject)
+               (mm-url-decode-entities-string from)
+               date
+               (concat "<" group "%"
+                       (number-to-string article)
+                       "@egroup.com>")
+               ""
+               0 0 "")) nnwarchive-headers))))
+   nnwarchive-headers)
+ 
+ (defun nnwarchive-egroups-article (group articles)
+   (goto-char (point-min))
+   (if (search-forward "<pre>" nil t)
+       (delete-region (point-min) (point)))
+   (goto-char (point-max))
+   (if (search-backward "</pre>" nil t)
+       (delete-region (point) (point-max)))
+   (goto-char (point-min))
+   (while (re-search-forward "<a[^>]+>\\([^<]+\\)</a>" nil t)
+     (replace-match "\\1"))
+   (mm-url-decode-entities)
+   (buffer-string))
+ 
+ (defun nnwarchive-egroups-xover-files (group articles)
+   (let (aux auxs)
+     (setq auxs (nnwarchive-paged (sort articles '<)))
+     (while (setq aux (pop auxs))
+       (goto-char (point-max))
+       (nnwarchive-url nnwarchive-xover-url))
+     (if nnwarchive-xover-dissect
+       (nnwarchive-egroups-xover group))))
+ 
+ ;; mail-archive
+ 
+ (defun nnwarchive-mail-archive-list-groups (groups)
+   (save-excursion
+     (let (articles)
+       (set-buffer nnwarchive-buffer)
+       (dolist (group groups)
+       (erase-buffer)
+       (nnwarchive-url nnwarchive-xover-last-url)
+       (goto-char (point-min))
+       (when (re-search-forward "msg\\([0-9]+\\)\\.html" nil t)
+         (setq articles (1+ (string-to-number (match-string 1)))))
+       (let ((elem (assoc group nnwarchive-groups)))
+         (if elem
+             (setcar (cdr elem) articles)
+           (push (list group articles "") nnwarchive-groups)))
+       (setq nnwarchive-headers (cdr (assoc group nnwarchive-headers-cache)))
+       (nnwarchive-mail-archive-xover group)
+       (let ((elem (assoc group nnwarchive-headers-cache)))
+         (if elem
+             (setcdr elem nnwarchive-headers)
+           (push (cons group nnwarchive-headers)
+                 nnwarchive-headers-cache)))))))
+ 
+ (defun nnwarchive-mail-archive-list ()
+   (let ((case-fold-search t)
+       group description elem articles)
+     (goto-char (point-min))
+     (while (re-search-forward "<a href=\"\\([^/]+\\)/\">\\([^>]+\\)<" nil t)
+       (setq group (match-string 1)
+           description (match-string 2))
+       (forward-line 1)
+       (setq articles 0)
+       (if (setq elem (assoc group nnwarchive-groups))
+         (setcar (cdr elem) articles)
+       (push (list group articles description) nnwarchive-groups))))
+   t)
+ 
+ (defun nnwarchive-mail-archive-xover (group)
+   (let (article subject from date)
+     (goto-char (point-min))
+     (while (re-search-forward
+           "<A[^>]*HREF=\"msg\\([0-9]+\\)\\.html[^>]+>\\([^<]+\\)<"
+           nil t)
+       (setq article (1+ (string-to-number (match-string 1)))
+           subject (match-string 2))
+       (forward-line 1)
+       (unless (assq article nnwarchive-headers)
+       (if (looking-at "<UL><LI><EM>From</EM>: *\\([^<]*[^< ]\\) 
*&lt;\\([^&]+\\)&gt;")
+           (progn
+             (setq from (match-string 1)
+                   date (identity (match-string 2))))
+         (setq from "" date ""))
+       (push (cons
+              article
+              (make-full-mail-header
+               article
+               (mm-url-decode-entities-string subject)
+               (mm-url-decode-entities-string from)
+               date
+               (format "<%05d%%%s>\n" (1- article) group)
+               ""
+               0 0 "")) nnwarchive-headers))))
+   nnwarchive-headers)
+ 
+ (defun nnwarchive-mail-archive-xover-files (group articles)
+   (unless nnwarchive-headers
+     (erase-buffer)
+     (nnwarchive-url nnwarchive-xover-last-url)
+     (goto-char (point-min))
+     (nnwarchive-mail-archive-xover group))
+   (let ((minart (apply 'min articles))
+       (min (apply 'min (mapcar 'car nnwarchive-headers)))
+       (aux 2))
+     (while (> min minart)
+       (erase-buffer)
+       (nnwarchive-url nnwarchive-xover-url)
+       (nnwarchive-mail-archive-xover group)
+       (setq min (apply 'min (mapcar 'car nnwarchive-headers))))))
+ 
+ (defvar nnwarchive-caesar-translation-table nil
+   "Modified rot13 table. tr/@A-Z[a-z/address@hidden/.")
+ 
+ (defun nnwarchive-make-caesar-translation-table ()
+   "Create modified rot13 table. tr/@A-Z[a-z/address@hidden/."
+   (let ((i -1)
+       (table (make-string 256 0))
+       (a (mm-char-int ?a))
+       (A (mm-char-int ?A)))
+     (while (< (incf i) 256)
+       (aset table i i))
+     (concat
+      (substring table 0 (1- A))
+      (substring table (+ A 13) (+ A 27))
+      (substring table (1- A) (+ A 13))
+      (substring table (+ A 27) a)
+      (substring table (+ a 13) (+ a 26))
+      (substring table a (+ a 13))
+      (substring table (+ a 26) 255))))
+ 
+ (defun nnwarchive-from-r13 (from-r13)
+   (when from-r13
+     (with-temp-buffer
+       (insert from-r13)
+       (let ((message-caesar-translation-table
+            (or nnwarchive-caesar-translation-table
+                (setq nnwarchive-caesar-translation-table
+                      (nnwarchive-make-caesar-translation-table)))))
+       (message-caesar-region (point-min) (point-max))
+       (buffer-string)))))
+ 
+ (defun nnwarchive-mail-archive-article (group article)
+   (let (p refs url mime e
+         from subject date id
+         done
+         (case-fold-search t))
+     (save-restriction
+       (goto-char (point-min))
+       (when (search-forward "X-Head-End" nil t)
+       (beginning-of-line)
+       (narrow-to-region (point-min) (point))
+       (mm-url-decode-entities)
+       (goto-char (point-min))
+       (while (search-forward "<!--X-" nil t)
+         (replace-match ""))
+       (goto-char (point-min))
+       (while (search-forward " -->" nil t)
+         (replace-match ""))
+       (setq from
+             (or (mail-fetch-field "from")
+                 (nnwarchive-from-r13
+                  (mail-fetch-field "from-r13"))))
+       (setq date (mail-fetch-field "date"))
+       (setq id (mail-fetch-field "message-id"))
+       (setq subject (mail-fetch-field "subject"))
+       (goto-char (point-max))
+       (widen))
+       (when (search-forward "<ul>" nil t)
+       (forward-line)
+       (delete-region (point-min) (point))
+       (search-forward "</ul>" nil t)
+       (end-of-line)
+       (narrow-to-region (point-min) (point))
+       (mm-url-remove-markup)
+       (mm-url-decode-entities)
+       (goto-char (point-min))
+       (delete-blank-lines)
+       (when from
+         (message-remove-header "from")
+         (goto-char (point-max))
+         (insert "From: " from "\n"))
+       (when subject
+         (message-remove-header "subject")
+         (goto-char (point-max))
+         (insert "Subject: " subject "\n"))
+       (when id
+         (goto-char (point-max))
+         (insert "X-Message-ID: <" id ">\n"))
+       (when date
+         (message-remove-header "date")
+         (goto-char (point-max))
+         (insert "Date: " date "\n"))
+       (goto-char (point-max))
+       (widen)
+       (insert "\n"))
+       (setq p (point))
+       (when (search-forward "X-Body-of-Message" nil t)
+       (forward-line)
+       (delete-region p (point))
+       (search-forward "X-Body-of-Message-End" nil t)
+       (beginning-of-line)
+       (save-restriction
+         (narrow-to-region p (point))
+         (goto-char (point-min))
+         (if (> (skip-chars-forward "\040\n\r\t") 0)
+             (delete-region (point-min) (point)))
+         (while (not (eobp))
+           (cond
+            ((looking-at "<PRE>\r?\n?")
+             (delete-region (match-beginning 0) (match-end 0))
+             (setq p (point))
+             (when (search-forward "</PRE>" nil t)
+               (delete-region (match-beginning 0) (match-end 0))
+               (save-restriction
+                 (narrow-to-region p (point))
+                 (mm-url-remove-markup)
+                 (mm-url-decode-entities)
+                 (goto-char (point-max)))))
+            ((looking-at "<P><A HREF=\"\\([^\"]+\\)")
+             (setq url (match-string 1))
+             (delete-region (match-beginning 0)
+                            (progn (forward-line) (point)))
+             ;; I hate to download the url encode it, then immediately
+             ;; decode it.
+             (insert "<#external"
+                     " type="
+                     (or (and url
+                              (string-match "\\.[^\\.]+$" url)
+                              (mailcap-extension-to-mime
+                               (match-string 0 url)))
+                         "application/octet-stream")
+                     (format " url=\"http://www.mail-archive.com/%s/%s\"";
+                             group url)
+                     ">\n"
+                     "<#/external>")
+             (setq mime t))
+            (t
+             (setq p (point))
+             (insert "<#part type=\"text/html\" disposition=inline>")
+             (goto-char
+              (if (re-search-forward
+                   "[\040\n\r\t]*<PRE>\\|[\040\n\r\t]*<P><A HREF=\""
+                   nil t)
+                  (match-beginning 0)
+                (point-max)))
+             (insert "<#/part>")
+             (setq mime t)))
+           (setq p (point))
+           (if (> (skip-chars-forward "\040\n\r\t") 0)
+               (delete-region p (point))))
+         (goto-char (point-max))))
+       (setq p (point))
+       (when (search-forward "X-References-End" nil t)
+       (setq e (point))
+       (beginning-of-line)
+       (search-backward "X-References" p t)
+       (while (re-search-forward "msg\\([0-9]+\\)\\.html" e t)
+         (push (concat "<" (match-string 1) "%" group ">") refs)))
+       (delete-region p (point-max))
+       (goto-char (point-min))
+       (insert (format "Message-ID: <%05d%%%s>\n" (1- article) group))
+       (when refs
+       (insert "References:")
+       (while refs
+         (insert " " (pop refs)))
+       (insert "\n"))
+       (when mime
+       (unless (looking-at "$")
+         (search-forward "\n\n" nil t)
+         (forward-line -1))
+       (narrow-to-region (point) (point-max))
+       (insert "MIME-Version: 1.0\n"
+               (prog1
+                   (mml-generate-mime)
+                 (delete-region (point-min) (point-max))))
+       (widen)))
+     (buffer-string)))
+ 
+ (provide 'nnwarchive)
+ 
+ ;;; arch-tag: 1ab7a15c-777a-40e0-95c0-0c41b3963578
+ ;;; nnwarchive.el ends here