[Enable mail splitting to work with non-ASCII nnml groups]
[gnus] / lisp / nnml.el
index 46e6fcd..7e701d1 100644 (file)
@@ -1,8 +1,12 @@
 ;;; nnml.el --- mail spool access for Gnus
-;; Copyright (C) 1995 Free Software Foundation, Inc.
 
-;; Author: Lars Magne Ingebrigtsen <larsi@ifi.uio.no>
-;;     Masanobu UMEDA <umerin@flab.flab.fujitsu.junet>
+;; Copyright (C) 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003,
+;;   2004, 2005, 2006, 2007 Free Software Foundation, Inc.
+
+;; Authors: Didier Verna <didier@xemacs.org> (adding compaction)
+;;     Simon Josefsson <simon@josefsson.org> (adding MARKS)
+;;     Lars Magne Ingebrigtsen <larsi@gnus.org>
+;;     Masanobu UMEDA <umerin@flab.flab.fujitsu.junet>
 ;; Keywords: news, mail
 
 ;; This file is part of GNU Emacs.
 ;; 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, 675 Mass Ave, Cambridge, MA 02139, USA.
+;; along with GNU Emacs; see the file COPYING.  If not, write to the
+;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+;; Boston, MA 02110-1301, USA.
 
 ;;; Commentary:
 
 ;; Based on nnspool.el by Masanobu UMEDA <umerin@flab.flab.fujitsu.junet>.
 ;; For an overview of what the interface functions do, please see the
-;; Gnus sources.  
+;; Gnus sources.
 
 ;;; Code:
 
+(require 'gnus)
 (require 'nnheader)
 (require 'nnmail)
+(require 'nnoo)
+(eval-when-compile (require 'cl))
+
+(eval-and-compile
+  (autoload 'gnus-article-unpropagatable-p "gnus-sum")
+  (autoload 'gnus-backlog-remove-article "gnus-bcklg"))
 
-(defvar nnml-directory "~/Mail/"
-  "Mail spool directory.")
+(nnoo-declare nnml)
 
-(defvar nnml-active-file (concat nnml-directory "active")
+(defvoo nnml-directory message-directory
+  "Spool directory for the nnml mail backend.")
+
+(defvoo nnml-active-file
+    (expand-file-name "active" nnml-directory)
   "Mail active file.")
 
-(defvar nnml-newsgroups-file (concat nnml-directory "newsgroups")
+(defvoo nnml-newsgroups-file
+    (expand-file-name "newsgroups" nnml-directory)
   "Mail newsgroups description file.")
 
-(defvar nnml-get-new-mail t
+(defvoo nnml-get-new-mail t
   "If non-nil, nnml will check the incoming mail file and split the mail.")
 
-(defvar nnml-nov-is-evil nil
-  "If non-nil, Gnus will never generate and use nov databases for mail groups.
+(defvoo nnml-nov-is-evil nil
+  "If non-nil, Gnus will never generate and use nov databases for mail spools.
 Using nov databases will speed up header fetching considerably.
-This variable shouldn't be flipped much. If you have, for some reason,
+This variable shouldn't be flipped much.  If you have, for some reason,
 set this to t, and want to set it to nil again, you should always run
-the `nnml-generate-nov-databases' command. The function will go
+the `nnml-generate-nov-databases' command.  The function will go
 through all nnml directories and generate nov databases for them
-all. This may very well take some time.")
-
-(defvar nnml-prepare-save-mail-hook nil
+all.  This may very well take some time.")
+
+(defvoo nnml-marks-is-evil nil
+  "If non-nil, Gnus will never generate and use marks file for mail spools.
+Using marks files makes it possible to backup and restore mail groups
+separately from `.newsrc.eld'.  If you have, for some reason, set this
+to t, and want to set it to nil again, you should always remove the
+corresponding marks file (usually named `.marks' in the nnml group
+directory, but see `nnml-marks-file-name') for the group.  Then the
+marks file will be regenerated properly by Gnus.")
+
+(defvoo nnml-prepare-save-mail-hook nil
   "Hook run narrowed to an article before saving.")
 
+(defvoo nnml-inhibit-expiry nil
+  "If non-nil, inhibit expiry.")
+
+(defvoo nnml-use-compressed-files nil
+  "If non-nil, allow using compressed message files.
+
+If it is a string, use it as the file extension which specifies
+the compression program.  You can set it to \".bz2\" if your Emacs
+supports auto-compression using the bzip2 program.  A value of t
+is equivalent to \".gz\".")
+
+(defvoo nnml-compressed-files-size-threshold 1000
+  "Default size threshold for compressed message files.
+Message files with bodies larger than that many characters will
+be automatically compressed if `nnml-use-compressed-files' is
+non-nil.")
+
 \f
 
 (defconst nnml-version "nnml 1.0"
   "nnml version.")
 
-(defvar nnml-nov-file-name ".overview")
+(defvoo nnml-nov-file-name ".overview")
+(defvoo nnml-marks-file-name ".marks")
 
-(defvar nnml-current-directory nil)
-(defvar nnml-current-group nil)
-(defvar nnml-status-string "")
-(defvar nnml-nov-buffer-alist nil)
-(defvar nnml-group-alist nil)
-(defvar nnml-active-timestamp nil)
+(defvoo nnml-current-directory nil)
+(defvoo nnml-current-group nil)
+(defvoo nnml-status-string "")
+(defvoo nnml-nov-buffer-alist nil)
+(defvoo nnml-group-alist nil)
+(defvoo nnml-active-timestamp nil)
+(defvoo nnml-article-file-alist nil)
 
-(defvar nnml-generate-active-function 'nnml-generate-active-info)
+(defvoo nnml-generate-active-function 'nnml-generate-active-info)
 
-\f
+(defvar nnml-nov-buffer-file-name nil)
 
-;; Server variables.
-
-(defvar nnml-current-server nil)
-(defvar nnml-server-alist nil)
-(defvar nnml-server-variables 
-  (list 
-   (list 'nnml-directory nnml-directory)
-   (list 'nnml-active-file nnml-active-file)
-   (list 'nnml-newsgroups-file nnml-newsgroups-file)
-   (list 'nnml-get-new-mail nnml-get-new-mail)
-   (list 'nnml-nov-is-evil nnml-nov-is-evil)
-   (list 'nnml-nov-file-name nnml-nov-file-name)
-   '(nnml-current-directory nil)
-   '(nnml-current-group nil)
-   '(nnml-status-string "")
-   '(nnml-nov-buffer-alist nil)
-   '(nnml-group-alist nil)
-   '(nnml-active-timestamp nil)))
+(defvoo nnml-file-coding-system nnmail-file-coding-system)
 
-\f
+(defvoo nnml-marks nil)
 
+(defvar nnml-marks-modtime (gnus-make-hashtable))
+
+\f
 ;;; Interface functions.
 
-(defun nnml-retrieve-headers (sequence &optional newsgroup server fetch-old)
-  (save-excursion
-    (set-buffer nntp-server-buffer)
-    (erase-buffer)
-    (let ((file nil)
-         (number (length sequence))
-         (count 0)
-         beg article)
-      (if (stringp (car sequence))
-         'headers
-       (nnml-possibly-change-directory newsgroup)
-       (if (nnml-retrieve-headers-with-nov sequence fetch-old)
-           'nov
-         (while sequence
-           (setq article (car sequence))
-           (setq file
-                 (concat nnml-current-directory (int-to-string article)))
-           (if (and (file-exists-p file)
-                    (not (file-directory-p file)))
-               (progn
-                 (insert (format "221 %d Article retrieved.\n" article))
-                 (setq beg (point))
-                 (nnheader-insert-head file)
-                 (goto-char beg)
-                 (if (search-forward "\n\n" nil t)
-                     (forward-char -1)
-                   (goto-char (point-max))
-                   (insert "\n\n"))
-                 (insert ".\n")
-                 (delete-region (point) (point-max))))
-           (setq sequence (cdr sequence))
-           (setq count (1+ count))
+(nnoo-define-basics nnml)
+
+(eval-when-compile
+  (defsubst nnml-group-name-charset (group server-or-method)
+    (gnus-group-name-charset
+     (if (stringp server-or-method)
+        (gnus-server-to-method
+         (if (string-match "\\+" server-or-method)
+             (concat (substring server-or-method 0 (match-beginning 0))
+                     ":" (substring server-or-method (match-end 0)))
+           (concat "nnml:" server-or-method)))
+       (or server-or-method gnus-command-method '(nnml "")))
+     group)))
+
+(defun nnml-decoded-group-name (group &optional server-or-method)
+  "Return a decoded group name of GROUP on SERVER-OR-METHOD."
+  (if nnmail-group-names-not-encoded-p
+      group
+    (mm-decode-coding-string
+     group
+     (nnml-group-name-charset group server-or-method))))
+
+(defun nnml-encoded-group-name (group &optional server-or-method)
+  "Return an encoded group name of GROUP on SERVER-OR-METHOD."
+  (mm-encode-coding-string
+   group
+   (nnml-group-name-charset group server-or-method)))
+
+(defun nnml-group-pathname (group &optional file server)
+  "Return an absolute file name of FILE for GROUP on SERVER."
+  (nnmail-group-pathname (inline (nnml-decoded-group-name group server))
+                        nnml-directory file))
+
+(deffoo nnml-retrieve-headers (sequence &optional group server fetch-old)
+  (when (nnml-possibly-change-directory group server)
+    (save-excursion
+      (set-buffer nntp-server-buffer)
+      (erase-buffer)
+      (let* ((file nil)
+            (number (length sequence))
+            (count 0)
+            (file-name-coding-system nnmail-pathname-coding-system)
+            beg article)
+       (if (stringp (car sequence))
+           'headers
+         (if (nnml-retrieve-headers-with-nov sequence fetch-old)
+             'nov
+           (while sequence
+             (setq article (car sequence))
+             (setq file (nnml-article-to-file article))
+             (when (and file
+                        (file-exists-p file)
+                        (not (file-directory-p file)))
+               (insert (format "221 %d Article retrieved.\n" article))
+               (setq beg (point))
+               (nnheader-insert-head file)
+               (goto-char beg)
+               (if (re-search-forward "\n\r?\n" nil t)
+                   (forward-char -1)
+                 (goto-char (point-max))
+                 (insert "\n\n"))
+               (insert ".\n")
+               (delete-region (point) (point-max)))
+             (setq sequence (cdr sequence))
+             (setq count (1+ count))
+             (and (numberp nnmail-large-newsgroup)
+                  (> number nnmail-large-newsgroup)
+                  (zerop (% count 20))
+                  (nnheader-message 6 "nnml: Receiving headers... %d%%"
+                                    (/ (* count 100) number))))
+
            (and (numberp nnmail-large-newsgroup)
                 (> number nnmail-large-newsgroup)
-                (zerop (% count 20))
-                gnus-verbose-backends
-                (message "nnml: Receiving headers... %d%%"
-                         (/ (* count 100) number))))
-
-         (and (numberp nnmail-large-newsgroup)
-              (> number nnmail-large-newsgroup)
-              gnus-verbose-backends
-              (message "nnml: Receiving headers...done"))
-
-         ;; Fold continuation lines.
-         (goto-char (point-min))
-         (while (re-search-forward "\\(\r?\n[ \t]+\\)+" nil t)
-           (replace-match " " t t))
-         'headers)))))
-
-(defun nnml-open-server (server &optional defs)
-  (nnheader-init-server-buffer)
-  (if (equal server nnml-current-server)
-      t
-    (if nnml-current-server
-       (setq nnml-server-alist 
-             (cons (list nnml-current-server
-                         (nnheader-save-variables nnml-server-variables))
-                   nnml-server-alist)))
-    (let ((state (assoc server nnml-server-alist)))
-      (if state 
-         (progn
-           (nnheader-restore-variables (nth 1 state))
-           (setq nnml-server-alist (delq state nnml-server-alist)))
-       (nnheader-set-init-variables nnml-server-variables defs)))
-    (setq nnml-current-server server)))
-
-(defun nnml-close-server (&optional server)
-  (setq nnml-current-server nil)
+                (nnheader-message 6 "nnml: Receiving headers...done"))
+
+           (nnheader-fold-continuation-lines)
+           'headers))))))
+
+(deffoo nnml-open-server (server &optional defs)
+  (nnoo-change-server 'nnml server defs)
+  (when (not (file-exists-p nnml-directory))
+    (ignore-errors (make-directory nnml-directory t)))
+  (cond
+   ((not (file-exists-p nnml-directory))
+    (nnml-close-server)
+    (nnheader-report 'nnml "Couldn't create directory: %s" nnml-directory))
+   ((not (file-directory-p (file-truename nnml-directory)))
+    (nnml-close-server)
+    (nnheader-report 'nnml "Not a directory: %s" nnml-directory))
+   (t
+    (nnheader-report 'nnml "Opened server %s using directory %s"
+                    server nnml-directory)
+    t)))
+
+(deffoo nnml-request-regenerate (server)
+  (nnml-possibly-change-directory nil server)
+  (nnml-generate-nov-databases server)
   t)
 
-(defun nnml-server-opened (&optional server)
-  (and (equal server nnml-current-server)
-       nntp-server-buffer
-       (buffer-name nntp-server-buffer)))
-
-(defun nnml-status-message (&optional server)
-  nnml-status-string)
-
-(defun nnml-request-article (id &optional newsgroup server buffer)
-  (nnml-possibly-change-directory newsgroup)
-  (let* ((group-num (and (stringp id) (nnml-find-group-number id)))
-        (number (if (numberp id) id (cdr group-num)))
-        (file
-         (and number
-              (concat 
-               (if (numberp id)
-                   nnml-current-directory
-                 (nnmail-group-pathname (car group-num) nnml-directory))
-               (int-to-string number))))
-        (nntp-server-buffer (or buffer nntp-server-buffer)))
-    (and file
-        (file-exists-p file)
-        (not (file-directory-p file))
-        (save-excursion (nnmail-find-file file))
-        ;; We return the article number.
-        (cons newsgroup (string-to-int (file-name-nondirectory file))))))
-
-(defun nnml-request-group (group &optional server dont-check)
-  (if (not (nnml-possibly-change-directory group))
-      (progn
-       (setq nnml-status-string "Invalid group (no such directory)")
-       nil)
-    (if dont-check 
-       t
+(deffoo nnml-request-article (id &optional group server buffer)
+  (nnml-possibly-change-directory group server)
+  (let* ((nntp-server-buffer (or buffer nntp-server-buffer))
+        (file-name-coding-system nnmail-pathname-coding-system)
+        path gpath group-num)
+    (if (stringp id)
+       (when (and (setq group-num (nnml-find-group-number id server))
+                  (cdr
+                   (assq (cdr group-num)
+                         (nnheader-article-to-file-alist
+                          (setq gpath (nnml-group-pathname (car group-num)
+                                                           nil server))))))
+         (setq path (concat gpath (int-to-string (cdr group-num)))))
+      (setq path (nnml-article-to-file id)))
+    (cond
+     ((not path)
+      (nnheader-report 'nnml "No such article: %s" id))
+     ((not (file-exists-p path))
+      (nnheader-report 'nnml "No such file: %s" path))
+     ((file-directory-p path)
+      (nnheader-report 'nnml "File is a directory: %s" path))
+     ((not (save-excursion (let ((nnmail-file-coding-system
+                                 nnml-file-coding-system))
+                            (nnmail-find-file path))))
+      (nnheader-report 'nnml "Couldn't read file: %s" path))
+     (t
+      (nnheader-report 'nnml "Article %s retrieved" id)
+      ;; We return the article number.
+      (cons (if group-num (car group-num) group)
+           (string-to-number (file-name-nondirectory path)))))))
+
+(deffoo nnml-request-group (group &optional server dont-check)
+  (let ((file-name-coding-system nnmail-pathname-coding-system))
+    (cond
+     ((not (nnml-possibly-change-directory group server))
+      (nnheader-report 'nnml "Invalid group (no such directory)"))
+     ((not (file-exists-p nnml-current-directory))
+      (nnheader-report 'nnml "Directory %s does not exist"
+                      nnml-current-directory))
+     ((not (file-directory-p nnml-current-directory))
+      (nnheader-report 'nnml "%s is not a directory" nnml-current-directory))
+     (dont-check
+      (nnheader-report 'nnml "Group %s selected" group)
+      t)
+     (t
+      (nnheader-re-read-dir nnml-current-directory)
       (nnmail-activate 'nnml)
       (let ((active (nth 1 (assoc group nnml-group-alist))))
-       (save-excursion
-         (set-buffer nntp-server-buffer)
-         (erase-buffer)
-         (if (not active)
-             ()
-           (insert (format "211 %d %d %d %s\n" 
-                           (max (1+ (- (cdr active) (car active))) 0)
-                           (car active) (cdr active) group))
-           t))))))
-
-(defun nnml-request-scan (&optional group server)
+       (if (not active)
+           (nnheader-report 'nnml "No such group: %s" group)
+         (nnheader-report 'nnml "Selected group %s" group)
+         (nnheader-insert "211 %d %d %d %s\n"
+                          (max (1+ (- (cdr active) (car active))) 0)
+                          (car active) (cdr active) group)))))))
+
+(deffoo nnml-request-scan (&optional group server)
+  (setq nnml-article-file-alist nil)
+  (nnml-possibly-change-directory group server)
   (nnmail-get-new-mail 'nnml 'nnml-save-nov nnml-directory group))
 
-(defun nnml-close-group (group &optional server)
-  t)
-
-(defun nnml-request-close ()
-  (setq nnml-current-server nil)
-  (setq nnml-server-alist nil)
+(deffoo nnml-close-group (group &optional server)
+  (setq nnml-article-file-alist nil)
   t)
 
-(defun nnml-request-create-group (group &optional server) 
+(deffoo nnml-request-create-group (group &optional server args)
+  (nnml-possibly-change-directory nil server)
   (nnmail-activate 'nnml)
-  (or (assoc group nnml-group-alist)
-      (let (active)
-       (setq nnml-group-alist (cons (list group (setq active (cons 1 0)))
-                                    nnml-group-alist))
-       (nnml-possibly-create-directory group)
-       (nnml-possibly-change-directory group)
-       (let ((articles 
-              (nnheader-directory-articles nnml-current-directory )))
-         (and articles
-              (progn
-                (setcar active (apply 'min articles))
-                (setcdr active (apply 'max articles)))))
-       (nnmail-save-active nnml-group-alist nnml-active-file)))
-  t)
-
-(defun nnml-request-list (&optional server)
+  (cond
+   ((let ((file (directory-file-name (nnml-group-pathname group nil server)))
+         (file-name-coding-system nnmail-pathname-coding-system))
+      (and (file-exists-p file)
+          (not (file-directory-p file))))
+    (nnheader-report 'nnml "%s is a file"
+                    (directory-file-name (nnml-group-pathname group
+                                                              nil server))))
+   ((assoc group nnml-group-alist)
+    t)
+   (t
+    (let (active)
+      (push (list group (setq active (cons 1 0)))
+           nnml-group-alist)
+      (nnml-possibly-create-directory group server)
+      (nnml-possibly-change-directory group server)
+      (let* ((file-name-coding-system nnmail-pathname-coding-system)
+            (articles (nnml-directory-articles nnml-current-directory)))
+       (when articles
+         (setcar active (apply 'min articles))
+         (setcdr active (apply 'max articles))))
+      (nnmail-save-active nnml-group-alist nnml-active-file)
+      t))))
+
+(deffoo nnml-request-list (&optional server)
   (save-excursion
-    (nnmail-find-file nnml-active-file)
-    (setq nnml-group-alist (nnmail-get-active))))
+    (let ((nnmail-file-coding-system nnmail-active-file-coding-system)
+         (file-name-coding-system nnmail-pathname-coding-system))
+      (nnmail-find-file nnml-active-file))
+    (setq nnml-group-alist (nnmail-get-active))
+    t))
 
-(defun nnml-request-newgroups (date &optional server)
+(deffoo nnml-request-newgroups (date &optional server)
   (nnml-request-list server))
 
-(defun nnml-request-list-newsgroups (&optional server)
+(deffoo nnml-request-list-newsgroups (&optional server)
   (save-excursion
     (nnmail-find-file nnml-newsgroups-file)))
 
-(defun nnml-request-post (&optional server)
-  (mail-send-and-exit nil))
-
-(defun nnml-request-expire-articles (articles newsgroup &optional server force)
-  (nnml-possibly-change-directory newsgroup)
-  (let* ((active-articles 
-         (nnheader-directory-articles nnml-current-directory))
-        (max-article (and active-articles (apply 'max active-articles)))
+(deffoo nnml-request-expire-articles (articles group &optional server force)
+  (nnml-possibly-change-directory group server)
+  (let* ((file-name-coding-system nnmail-pathname-coding-system)
+        (active-articles
+         (nnml-directory-articles nnml-current-directory))
         (is-old t)
-        article rest mod-time number)
+        (decoded (nnml-decoded-group-name group server))
+        article rest mod-time number target)
     (nnmail-activate 'nnml)
 
+    (setq active-articles (sort active-articles '<))
+    ;; Articles not listed in active-articles are already gone,
+    ;; so don't try to expire them.
+    (setq articles (gnus-sorted-intersection articles active-articles))
+
     (while (and articles is-old)
-      (setq article (concat nnml-current-directory 
-                           (int-to-string 
-                            (setq number (pop articles)))))
-      (when (setq mod-time (nth 5 (file-attributes article)))
-       (if (and (nnml-deletable-article-p newsgroup number)
-                (setq is-old 
-                      (nnmail-expired-article-p newsgroup mod-time force)))
-           (progn
-             (and gnus-verbose-backends 
-                  (message "Deleting article %s in %s..."
-                           article newsgroup))
-             (condition-case ()
-                 (funcall nnmail-delete-file-function article)
-               (file-error
-                (push number rest)))
-             (setq active-articles (delq number active-articles))
-             (nnml-nov-delete-article newsgroup number))
-         (push number rest))))
-    (let ((active (nth 1 (assoc newsgroup nnml-group-alist))))
-      (and active
-          (setcar active (or (and active-articles
-                                  (apply 'min active-articles))
-                             0)))
+      (if (and (setq article (nnml-article-to-file
+                             (setq number (pop articles))))
+              (setq mod-time (nth 5 (file-attributes article)))
+              (nnml-deletable-article-p group number)
+              (setq is-old (nnmail-expired-article-p group mod-time force
+                                                     nnml-inhibit-expiry)))
+         (progn
+           ;; Allow a special target group.
+           (setq target nnmail-expiry-target)
+           (unless (eq target 'delete)
+             (with-temp-buffer
+               (nnml-request-article number group server (current-buffer))
+               (let (nnml-current-directory
+                     nnml-current-group
+                     nnml-article-file-alist)
+                 (when (functionp target)
+                   (setq target (funcall target group)))
+                 (if (and target
+                          (or (gnus-request-group target)
+                              (gnus-request-create-group target)))
+                     (nnmail-expiry-target-group target group)
+                   (setq target nil))))
+             ;; Maybe directory is changed during nnmail-expiry-target-group.
+             (nnml-possibly-change-directory group server))
+           (if target
+               (progn
+                 (nnheader-message 5 "Deleting article %s in %s"
+                                   number decoded)
+                 (condition-case ()
+                     (funcall nnmail-delete-file-function article)
+                   (file-error
+                    (push number rest)))
+                 (setq active-articles (delq number active-articles))
+                 (nnml-nov-delete-article group number))
+             (push number rest)))
+       (push number rest)))
+    (let ((active (nth 1 (assoc group nnml-group-alist))))
+      (when active
+       (setcar active (or (and active-articles
+                               (apply 'min active-articles))
+                          (1+ (cdr active)))))
       (nnmail-save-active nnml-group-alist nnml-active-file))
     (nnml-save-nov)
-    (message "")
     (nconc rest articles)))
 
-(defun nnml-request-move-article 
-  (article group server accept-form &optional last)
+(deffoo nnml-request-move-article
+    (article group server accept-form &optional last move-is-internal)
   (let ((buf (get-buffer-create " *nnml move*"))
+       (file-name-coding-system nnmail-pathname-coding-system)
        result)
-    (and 
+    (nnml-possibly-change-directory group server)
+    (nnml-update-file-alist)
+    (and
      (nnml-deletable-article-p group article)
      (nnml-request-article article group server)
-     (save-excursion
-       (set-buffer buf)
-       (insert-buffer-substring nntp-server-buffer)
-       (setq result (eval accept-form))
-       (kill-buffer (current-buffer))
-       result)
+     (let (nnml-current-directory
+          nnml-current-group
+          nnml-article-file-alist)
+       (save-excursion
+        (set-buffer buf)
+        (insert-buffer-substring nntp-server-buffer)
+        (setq result (eval accept-form))
+        (kill-buffer (current-buffer))
+        result))
      (progn
+       (nnml-possibly-change-directory group server)
        (condition-case ()
           (funcall nnmail-delete-file-function
-                   (concat nnml-current-directory 
-                           (int-to-string article)))
+                   (nnml-article-to-file  article))
         (file-error nil))
        (nnml-nov-delete-article group article)
-       (and last (nnml-save-nov))))
+       (when last
+        (nnml-save-nov)
+        (nnmail-save-active nnml-group-alist nnml-active-file))))
     result))
 
-(defun nnml-request-accept-article (group &optional last)
+(deffoo nnml-request-accept-article (group &optional server last)
+  (nnml-possibly-change-directory group server)
+  (nnmail-check-syntax)
   (let (result)
+    (when nnmail-cache-accepted-message-ids
+      (nnmail-cache-insert (nnmail-fetch-field "message-id")
+                          group
+                          (nnmail-fetch-field "subject")
+                          (nnmail-fetch-field "from")))
     (if (stringp group)
-       (and 
+       (and
         (nnmail-activate 'nnml)
-        ;; We trick the choosing function into believing that only one
-        ;; group is availiable.  
-        (let ((nnmail-split-methods (list (list group ""))))
-          (setq result (car (nnml-save-mail))))
+        (setq result (car (nnml-save-mail
+                           (list (cons group (nnml-active-number group
+                                                                 server)))
+                           server)))
         (progn
           (nnmail-save-active nnml-group-alist nnml-active-file)
           (and last (nnml-save-nov))))
       (and
        (nnmail-activate 'nnml)
-       (setq result (car (nnml-save-mail)))
-       (progn
+       (if (and (not (setq result (nnmail-article-group
+                                  `(lambda (group)
+                                     (nnml-active-number group ,server)))))
+               (yes-or-no-p "Moved to `junk' group; delete article? "))
+          (setq result 'junk)
+        (setq result (car (nnml-save-mail result server))))
+       (when last
         (nnmail-save-active nnml-group-alist nnml-active-file)
-        (and last (nnml-save-nov)))))
+        (when nnmail-cache-accepted-message-ids
+          (nnmail-cache-close))
+        (nnml-save-nov))))
     result))
 
-(defun nnml-request-replace-article (article group buffer)
+(deffoo nnml-request-post (&optional server)
+  (nnmail-do-request-post 'nnml-request-accept-article server))
+
+(deffoo nnml-request-replace-article (article group buffer)
   (nnml-possibly-change-directory group)
   (save-excursion
     (set-buffer buffer)
     (nnml-possibly-create-directory group)
-    (if (not (condition-case ()
-                (progn
-                  (write-region (point-min) (point-max)
-                                (concat nnml-current-directory 
-                                        (int-to-string article))
-                                nil (if gnus-verbose-backends nil 'nomesg))
-                  t)
-              (error nil)))
-       ()
-      (let ((chars (nnmail-insert-lines))
-           (art (concat (int-to-string article) "\t"))
-           nov-line)
-       (setq nov-line (nnml-make-nov-line chars))
+    (let ((chars (nnmail-insert-lines))
+         (art (concat (int-to-string article) "\t"))
+         headers)
+      (when (ignore-errors
+             (nnmail-write-region
+              (point-min) (point-max)
+              (or (nnml-article-to-file article)
+                  (expand-file-name (int-to-string article)
+                                    nnml-current-directory))
+              nil (if (nnheader-be-verbose 5) nil 'nomesg))
+             t)
+       (setq headers (nnml-parse-head chars article))
        ;; Replace the NOV line in the NOV file.
-       (save-excursion 
+       (save-excursion
          (set-buffer (nnml-open-nov group))
          (goto-char (point-min))
          (if (or (looking-at art)
                  (search-forward (concat "\n" art) nil t))
              ;; Delete the old NOV line.
-             (delete-region (progn (beginning-of-line) (point))
-                            (progn (forward-line 1) (point)))
+             (gnus-delete-line)
            ;; The line isn't here, so we have to find out where
-           ;; we should insert it. (This situation should never
+           ;; we should insert it.  (This situation should never
            ;; occur, but one likes to make sure...)
            (while (and (looking-at "[0-9]+\t")
-                       (< (string-to-int 
-                           (buffer-substring 
+                       (< (string-to-number
+                           (buffer-substring
                             (match-beginning 0) (match-end 0)))
                           article)
                        (zerop (forward-line 1)))))
          (beginning-of-line)
-         (insert (int-to-string article) nov-line)
+         (nnheader-insert-nov headers)
          (nnml-save-nov)
          t)))))
 
-(defun nnml-request-delete-group (group &optional force server)
-  (nnml-possibly-change-directory group)
-  (when force
-    ;; Delete all articles in GROUP.
-    (let ((articles 
-          (directory-files 
-           nnml-current-directory t
-           (concat nnheader-numerical-short-files
-                   "\\|" (regexp-quote nnml-nov-file-name) "$")))
-         article)
-      (while articles 
-       (setq article (pop articles))
-       (when (file-writable-p article)
-         (when gnus-verbose-backends
-           (message "Deleting article %s in %s..." article group))
-         (funcall nnmail-delete-file-function article))))
-    ;; Try to delete the directory itself.
-    (condition-case ()
-       (delete-directory nnml-current-directory)
-      (error nil)))
-  ;; Remove the group from all structures.
-  (setq nnml-group-alist 
-       (delq (assoc group nnml-group-alist) nnml-group-alist)
-       nnml-current-group nil
-       nnml-current-directory nil)
-  ;; Save the active file.
-  (nnmail-save-active nnml-group-alist nnml-active-file)
+(deffoo nnml-request-delete-group (group &optional force server)
+  (nnml-possibly-change-directory group server)
+  (let ((file (directory-file-name nnml-current-directory))
+       (file-name-coding-system nnmail-pathname-coding-system))
+    (if (file-exists-p file)
+       (if (file-directory-p file)
+           (progn
+             (when force
+               ;; Delete all articles in GROUP.
+               (let ((articles
+                      (directory-files
+                       nnml-current-directory t
+                       (concat
+                        nnheader-numerical-short-files
+                        "\\|" (regexp-quote nnml-nov-file-name) "$"
+                        "\\|" (regexp-quote nnml-marks-file-name) "$")))
+                     (decoded (nnml-decoded-group-name group server)))
+                 (dolist (article articles)
+                   (when (file-writable-p article)
+                     (nnheader-message 5 "Deleting article %s in %s..."
+                                       (file-name-nondirectory article)
+                                       decoded)
+                     (funcall nnmail-delete-file-function article))))
+               ;; Try to delete the directory itself.
+               (ignore-errors (delete-directory nnml-current-directory))))
+         (nnheader-report 'nnml "%s is not a directory" file))
+      (nnheader-report 'nnml "No such directory: %s/" file))
+    ;; Remove the group from all structures.
+    (setq nnml-group-alist
+         (delq (assoc group nnml-group-alist) nnml-group-alist)
+         nnml-current-group nil
+         nnml-current-directory nil)
+    ;; Save the active file.
+    (nnmail-save-active nnml-group-alist nnml-active-file))
   t)
 
-(defun nnml-request-rename-group (group new-name &optional server)
-  (nnml-possibly-change-directory group)
-  ;; Rename directory.
-  (and (file-writable-p nnml-current-directory)
-       (condition-case ()
-          (progn
-            (rename-file 
-             (directory-file-name nnml-current-directory)
-             (directory-file-name 
-              (nnmail-group-pathname new-name nnml-directory)))
-            t)
-        (error nil))
-       ;; That went ok, so we change the internal structures.
-       (let ((entry (assoc group nnml-group-alist)))
-        (and entry (setcar entry new-name))
-        (setq nnml-current-directory nil
-              nnml-current-group nil)
-        ;; Save the new group alist.
-        (nnmail-save-active nnml-group-alist nnml-active-file)
-        t)))
+(deffoo nnml-request-rename-group (group new-name &optional server)
+  (nnml-possibly-change-directory group server)
+  (let ((new-dir (nnml-group-pathname new-name nil server))
+       (old-dir (nnml-group-pathname group nil server)))
+    (when (ignore-errors
+           (make-directory new-dir t)
+           t)
+      ;; We move the articles file by file instead of renaming
+      ;; the directory -- there may be subgroups in this group.
+      ;; One might be more clever, I guess.
+      (dolist (file (nnheader-article-to-file-alist old-dir))
+       (rename-file
+        (concat old-dir (cdr file))
+        (concat new-dir (cdr file))))
+      ;; Move .overview file.
+      (let ((overview (concat old-dir nnml-nov-file-name)))
+       (when (file-exists-p overview)
+         (rename-file overview (concat new-dir nnml-nov-file-name))))
+      ;; Move .marks file.
+      (let ((marks (concat old-dir nnml-marks-file-name)))
+       (when (file-exists-p marks)
+         (rename-file marks (concat new-dir nnml-marks-file-name))))
+      (when (<= (length (directory-files old-dir)) 2)
+       (ignore-errors (delete-directory old-dir)))
+      ;; That went ok, so we change the internal structures.
+      (let ((entry (assoc group nnml-group-alist)))
+       (when entry
+         (setcar entry new-name))
+       (setq nnml-current-directory nil
+             nnml-current-group nil)
+       ;; Save the new group alist.
+       (nnmail-save-active nnml-group-alist nnml-active-file)
+       t))))
+
+(deffoo nnml-set-status (article name value &optional group server)
+  (nnml-possibly-change-directory group server)
+  (let ((file (nnml-article-to-file article)))
+    (cond
+     ((not (file-exists-p file))
+      (nnheader-report 'nnml "File %s does not exist" file))
+     (t
+      (with-temp-file file
+       (nnheader-insert-file-contents file)
+       (nnmail-replace-status name value))
+      t))))
 
 \f
 ;;; Internal functions.
 
+(defun nnml-article-to-file (article)
+  (nnml-update-file-alist)
+  (let (file)
+    (if (setq file
+             (if nnml-use-compressed-files
+                 (cdr (assq article nnml-article-file-alist))
+               (number-to-string article)))
+       (expand-file-name file nnml-current-directory)
+      (when (not nnheader-directory-files-is-safe)
+       ;; Just to make sure nothing went wrong when reading over NFS --
+       ;; check once more.
+       (when (file-exists-p
+              (setq file (expand-file-name (number-to-string article)
+                                           nnml-current-directory)))
+         (nnml-update-file-alist t)
+         file)))))
+
 (defun nnml-deletable-article-p (group article)
   "Say whether ARTICLE in GROUP can be deleted."
-  (or (not nnmail-keep-last-article)
-      (not (eq (cdr (nth 1 (assoc group nnml-group-alist))) article))))
-
-;; Find an article number in the current group given the Message-ID. 
-(defun nnml-find-group-number (id)
+  (let ((file-name-coding-system nnmail-pathname-coding-system)
+       path)
+    (when (setq path (nnml-article-to-file article))
+      (when (file-writable-p path)
+       (or (not nnmail-keep-last-article)
+           (not (eq (cdr (nth 1 (assoc group nnml-group-alist)))
+                    article)))))))
+
+;; Find an article number in the current group given the Message-ID.
+(defun nnml-find-group-number (id server)
   (save-excursion
     (set-buffer (get-buffer-create " *nnml id*"))
-    (buffer-disable-undo (current-buffer))
     (let ((alist nnml-group-alist)
          number)
       ;; We want to look through all .overview files, but we want to
       ;; start with the one in the current directory.  It seems most
-      ;; likely that the article we are looking for is in that group. 
-      (if (setq number (nnml-find-id nnml-current-group id))
+      ;; likely that the article we are looking for is in that group.
+      (if (setq number (nnml-find-id nnml-current-group id server))
          (cons nnml-current-group number)
-       ;; It wasn't there, so we look through the other groups as well.
+      ;; It wasn't there, so we look through the other groups as well.
        (while (and (not number)
                    alist)
-         (or (string= (car (car alist)) nnml-current-group)
-             (setq number (nnml-find-id (car (car alist)) id)))
+         (or (string= (caar alist) nnml-current-group)
+             (setq number (nnml-find-id (caar alist) id server)))
          (or number
              (setq alist (cdr alist))))
        (and number
-            (cons (car (car alist)) number))))))
+            (cons (caar alist) number))))))
 
-(defun nnml-find-id (group id)
+(defun nnml-find-id (group id server)
   (erase-buffer)
-  (insert-file-contents 
-   (concat (nnmail-group-pathname group nnml-directory)
-          nnml-nov-file-name))
-  (let (number found)
-    (while (and (not found) 
-               (search-forward id nil t)) ; We find the ID.
-      ;; And the id is in the fourth field.
-      (if (search-backward 
-          "\t" (save-excursion (beginning-of-line) (point)) t 4)
-         (progn
-           (beginning-of-line)
-           (setq found t)
-           ;; We return the article number.
-           (setq number
-                 (condition-case ()
-                     (read (current-buffer))
-                   (error nil))))))
-    number))
-      
+  (let ((nov (nnml-group-pathname group nnml-nov-file-name server))
+       number found)
+    (when (file-exists-p nov)
+      (nnheader-insert-file-contents nov)
+      (while (and (not found)
+                 (search-forward id nil t)) ; We find the ID.
+       ;; And the id is in the fourth field.
+       (if (not (and (search-backward "\t" nil t 4)
+                     (not (search-backward "\t" (point-at-bol) t))))
+           (forward-line 1)
+         (beginning-of-line)
+         (setq found t)
+         ;; We return the article number.
+         (setq number
+               (ignore-errors (read (current-buffer))))))
+      number)))
 
 (defun nnml-retrieve-headers-with-nov (articles &optional fetch-old)
   (if (or gnus-nov-is-evil nnml-nov-is-evil)
       nil
-    (let ((first (car articles))
-         (last (progn (while (cdr articles) (setq articles (cdr articles)))
-                      (car articles)))
-         (nov (concat nnml-current-directory nnml-nov-file-name)))
-      (if (file-exists-p nov)
-         (save-excursion
-           (set-buffer nntp-server-buffer)
-           (erase-buffer)
-           (insert-file-contents nov)
-           (if (and fetch-old
-                    (not (numberp fetch-old)))
-               t                       ; Don't remove anything.
-             (if fetch-old
-                 (setq first (max 1 (- first fetch-old))))
-             (goto-char (point-min))
-             (while (and (not (eobp)) (< first (read (current-buffer))))
-               (forward-line 1))
-             (beginning-of-line)
-             (if (not (eobp)) (delete-region 1 (point)))
-             (while (and (not (eobp)) (>= last (read (current-buffer))))
-               (forward-line 1))
-             (beginning-of-line)
-             (if (not (eobp)) (delete-region (point) (point-max)))
-             t))))))
-
-(defun nnml-possibly-change-directory (newsgroup &optional force)
-  (if newsgroup
-      (let ((pathname (nnmail-group-pathname newsgroup nnml-directory)))
-       (and (or force (file-directory-p pathname))
-            (setq nnml-current-directory pathname
-                  nnml-current-group newsgroup)))
-    t))
+    (let ((nov (expand-file-name nnml-nov-file-name nnml-current-directory)))
+      (when (file-exists-p nov)
+       (save-excursion
+         (set-buffer nntp-server-buffer)
+         (erase-buffer)
+         (nnheader-insert-file-contents nov)
+         (if (and fetch-old
+                  (not (numberp fetch-old)))
+             t                         ; Don't remove anything.
+           (nnheader-nov-delete-outside-range
+            (if fetch-old (max 1 (- (car articles) fetch-old))
+              (car articles))
+            (car (last articles)))
+           t))))))
 
-(defun nnml-possibly-create-directory (group)
-  (let (dir dirs)
-    (setq dir (nnmail-group-pathname group nnml-directory))
-    (while (not (file-directory-p dir))
-      (setq dirs (cons dir dirs))
-      (setq dir (file-name-directory (directory-file-name dir))))
-    (while dirs
-      (make-directory (directory-file-name (car dirs)))
-      (and gnus-verbose-backends 
-          (message "Creating mail directory %s" (car dirs)))
-      (setq dirs (cdr dirs)))))
-            
-(defun nnml-save-mail ()
-  "Called narrowed to an article."
-  (let ((group-art (nreverse (nnmail-article-group 'nnml-active-number)))
-       chars nov-line)
-    (setq chars (nnmail-insert-lines))
+(defun nnml-possibly-change-directory (group &optional server)
+  (when (and server
+            (not (nnml-server-opened server)))
+    (nnml-open-server server))
+  (if (not group)
+      t
+    (let ((pathname (nnml-group-pathname group nil server))
+         (file-name-coding-system nnmail-pathname-coding-system))
+      (when (not (equal pathname nnml-current-directory))
+       (setq nnml-current-directory pathname
+             nnml-current-group group
+             nnml-article-file-alist nil))
+      (file-exists-p nnml-current-directory))))
+
+(defun nnml-possibly-create-directory (group &optional server)
+  (let ((dir (nnml-group-pathname group nil server))
+       (file-name-coding-system nnmail-pathname-coding-system))
+    (unless (file-exists-p dir)
+      (make-directory (directory-file-name dir) t)
+      (nnheader-message 5 "Creating mail directory %s" dir))))
+
+(defun nnml-save-mail (group-art &optional server)
+  "Save a mail into the groups GROUP-ART in the nnml server SERVER.
+GROUP-ART is a list that each element is a cons of a group name and an
+article number.  This function is called narrowed to an article."
+  (let* ((chars (nnmail-insert-lines))
+        (extension (and nnml-use-compressed-files
+                        (> chars nnml-compressed-files-size-threshold)
+                        (if (stringp nnml-use-compressed-files)
+                            nnml-use-compressed-files
+                          ".gz")))
+        decoded dec file first headers)
+    (when nnmail-group-names-not-encoded-p
+      (dolist (ga (prog1 group-art (setq group-art nil)))
+       (setq group-art (nconc group-art
+                              (list (cons (nnml-encoded-group-name (car ga)
+                                                                   server)
+                                          (cdr ga))))
+             decoded (nconc decoded (list (car ga)))))
+      (setq dec decoded))
     (nnmail-insert-xref group-art)
+    (run-hooks 'nnmail-prepare-save-mail-hook)
     (run-hooks 'nnml-prepare-save-mail-hook)
     (goto-char (point-min))
     (while (looking-at "From ")
       (replace-match "X-From-Line: ")
       (forward-line 1))
-    ;; We save the article in all the newsgroups it belongs in.
-    (let ((ga group-art)
-         first)
-      (while ga
-       (nnml-possibly-create-directory (car (car ga)))
-       (let ((file (concat (nnmail-group-pathname 
-                            (car (car ga)) nnml-directory)
-                           (int-to-string (cdr (car ga))))))
-         (if first
-             ;; It was already saved, so we just make a hard link.
-             (add-name-to-file first file t)
-           ;; Save the article.
-           (write-region (point-min) (point-max) file nil 
-                         (if gnus-verbose-backends nil 'nomesg))
-           (setq first file)))
-       (setq ga (cdr ga))))
-    ;; Generate a nov line for this article. We generate the nov
+    ;; We save the article in all the groups it belongs in.
+    (dolist (ga group-art)
+      (if nnmail-group-names-not-encoded-p
+         (progn
+           (nnml-possibly-create-directory (car decoded) server)
+           (setq file (nnmail-group-pathname
+                       (pop decoded) nnml-directory
+                       (concat (number-to-string (cdr ga)) extension))))
+       (nnml-possibly-create-directory (car ga) server)
+       (setq file (nnml-group-pathname
+                   (car ga) (concat (number-to-string (cdr ga)) extension)
+                   server)))
+      (if first
+         ;; It was already saved, so we just make a hard link.
+         (let ((file-name-coding-system nnmail-pathname-coding-system))
+           (funcall nnmail-crosspost-link-function first file t))
+       ;; Save the article.
+       (nnmail-write-region (point-min) (point-max) file nil
+                            (if (nnheader-be-verbose 5) nil 'nomesg))
+       (setq first file)))
+    ;; Generate a nov line for this article.  We generate the nov
     ;; line after saving, because nov generation destroys the
-    ;; header. 
-    (setq nov-line (nnml-make-nov-line chars))
+    ;; header.
+    (setq headers (nnml-parse-head chars))
     ;; Output the nov line to all nov databases that should have it.
-    (let ((ga group-art))
-      (while ga
-       (nnml-add-nov (car (car ga)) (cdr (car ga)) nov-line)
-       (setq ga (cdr ga))))
-    group-art))
-
-(defun nnml-active-number (group)
-  "Compute the next article number in GROUP."
-  (let ((active (car (cdr (assoc group nnml-group-alist)))))
+    (if nnmail-group-names-not-encoded-p
+       (dolist (ga group-art)
+         (nnml-add-nov (pop dec) (cdr ga) headers))
+      (dolist (ga group-art)
+       (nnml-add-nov (car ga) (cdr ga) headers))))
+  group-art)
+
+(defun nnml-active-number (group &optional server)
+  "Compute the next article number in GROUP on SERVER."
+  (let ((active (cadr (assoc (if nnmail-group-names-not-encoded-p
+                                (nnml-encoded-group-name group server)
+                              group)
+                            nnml-group-alist))))
     ;; The group wasn't known to nnml, so we just create an active
-    ;; entry for it.   
-    (or active
-       (progn
-         (setq active (cons 1 0))
-         (setq nnml-group-alist (cons (list group active) nnml-group-alist))))
+    ;; entry for it.
+    (unless active
+      ;; Perhaps the active file was corrupt?  See whether
+      ;; there are any articles in this group.
+      (nnml-possibly-create-directory group server)
+      (nnml-possibly-change-directory group server)
+      (unless nnml-article-file-alist
+       (setq nnml-article-file-alist
+             (sort
+              (nnml-current-group-article-to-file-alist)
+              'car-less-than-car)))
+      (setq active
+           (if nnml-article-file-alist
+               (cons (caar nnml-article-file-alist)
+                     (caar (last nnml-article-file-alist)))
+             (cons 1 0)))
+      (push (list group active) nnml-group-alist))
     (setcdr active (1+ (cdr active)))
     (while (file-exists-p
-           (concat (nnmail-group-pathname group nnml-directory)
-                   (int-to-string (cdr active))))
+           (nnml-group-pathname group (int-to-string (cdr active)) server))
       (setcdr active (1+ (cdr active))))
     (cdr active)))
 
-(defun nnml-add-nov (group article line)
+(defun nnml-add-nov (group article headers)
   "Add a nov line for the GROUP base."
-  (save-excursion 
+  (save-excursion
     (set-buffer (nnml-open-nov group))
     (goto-char (point-max))
-    (insert (int-to-string article) line)))
+    (mail-header-set-number headers article)
+    (nnheader-insert-nov headers)))
 
 (defsubst nnml-header-value ()
-  (buffer-substring (match-end 0) (progn (end-of-line) (point))))
+  (buffer-substring (match-end 0) (point-at-eol)))
 
-(defun nnml-make-nov-line (chars)
-  "Create a nov from the current headers."
-  (let ((case-fold-search t)
-       subject from date id references lines xref in-reply-to char)
+(defun nnml-parse-head (chars &optional number)
+  "Parse the head of the current buffer."
+  (save-excursion
+    (save-restriction
+      (unless (zerop (buffer-size))
+       (narrow-to-region
+        (goto-char (point-min))
+        (if (re-search-forward "\n\r?\n" nil t)
+            (1- (point))
+          (point-max))))
+      (let ((headers (nnheader-parse-naked-head)))
+       (mail-header-set-chars headers chars)
+       (mail-header-set-number headers number)
+       headers))))
+
+(defun nnml-get-nov-buffer (group)
+  (let* ((decoded (nnml-decoded-group-name group))
+        (buffer (get-buffer-create (format " *nnml overview %s*" decoded)))
+        (file-name-coding-system nnmail-pathname-coding-system))
     (save-excursion
-      (save-restriction
-       (goto-char (point-min))
-       (narrow-to-region 
-        (point)
-        (1- (or (search-forward "\n\n" nil t) (point-max))))
-       ;; Fold continuation lines.
-       (goto-char (point-min))
-       (while (re-search-forward "\\(\r?\n[ \t]+\\)+" nil t)
-         (replace-match " " t t))
-       (subst-char-in-region (point-min) (point-max) ?\t ? )
-       ;; [number subject from date id references chars lines xref]
-       (save-excursion
-         (goto-char (point-min))
-         (while (re-search-forward "^\\(from\\|subject\\|message-id\\|date\\|lines\\|xref\\|references\\|in-reply-to\\): "
-                                   nil t)
-           (beginning-of-line)
-           (setq char (downcase (following-char))) 
-           (cond
-            ((eq char ?s)
-             (setq subject (nnml-header-value)))
-            ((eq char ?f)
-             (setq from (nnml-header-value)))
-            ((eq char ?x)
-             (setq xref (buffer-substring (match-beginning 0) 
-                                          (progn (end-of-line) (point)))))
-            ((eq char ?l)
-             (setq lines (nnml-header-value)))
-            ((eq char ?d)
-             (setq date (nnml-header-value)))
-            ((eq char ?m)
-             (setq id (setq id (nnml-header-value))))
-            ((eq char ?r)
-             (setq references (nnml-header-value)))
-            ((eq char ?i)
-             (setq in-reply-to (nnml-header-value))))
-           (forward-line 1))
-      
-         (and (not references)
-              in-reply-to
-              (string-match "<[^>]+>" in-reply-to)
-              (setq references
-                    (substring in-reply-to (match-beginning 0)
-                               (match-end 0)))))
-       ;; [number subject from date id references chars lines xref]
-       (format "\t%s\t%s\t%s\t%s\t%s\t%d\t%s\t%s\t\n"
-               (or subject "(none)")
-               (or from "(nobody)") (or date "")
-               (or id (concat "nnml-dummy-id-" 
-                              (mapconcat 
-                               (lambda (time) (int-to-string time))
-                               (current-time) "-")))
-               (or references "")
-               (or chars 0) (or lines "0") 
-               (or xref ""))))))
+      (set-buffer buffer)
+      (set (make-local-variable 'nnml-nov-buffer-file-name)
+          (nnmail-group-pathname decoded nnml-directory nnml-nov-file-name))
+      (erase-buffer)
+      (when (file-exists-p nnml-nov-buffer-file-name)
+       (nnheader-insert-file-contents nnml-nov-buffer-file-name)))
+    buffer))
 
 (defun nnml-open-nov (group)
   (or (cdr (assoc group nnml-nov-buffer-alist))
-      (let ((buffer (find-file-noselect 
-                    (concat (nnmail-group-pathname group nnml-directory)
-                            nnml-nov-file-name))))
-       (save-excursion
-         (set-buffer buffer)
-         (buffer-disable-undo (current-buffer)))
-       (setq nnml-nov-buffer-alist 
-             (cons (cons group buffer) nnml-nov-buffer-alist))
+      (let ((buffer (nnml-get-nov-buffer group)))
+       (push (cons group buffer) nnml-nov-buffer-alist)
        buffer)))
 
 (defun nnml-save-nov ()
   (save-excursion
     (while nnml-nov-buffer-alist
-      (if (buffer-name (cdr (car nnml-nov-buffer-alist)))
-         (progn
-           (set-buffer (cdr (car nnml-nov-buffer-alist)))
-           (and (buffer-modified-p)
-                (write-region 
-                 1 (point-max) (buffer-file-name) nil 'nomesg))
-           (set-buffer-modified-p nil)
-           (kill-buffer (current-buffer))))
+      (when (buffer-name (cdar nnml-nov-buffer-alist))
+       (set-buffer (cdar nnml-nov-buffer-alist))
+       (when (buffer-modified-p)
+         (nnmail-write-region (point-min) (point-max)
+                              nnml-nov-buffer-file-name nil 'nomesg))
+       (set-buffer-modified-p nil)
+       (kill-buffer (current-buffer)))
       (setq nnml-nov-buffer-alist (cdr nnml-nov-buffer-alist)))))
 
 ;;;###autoload
-(defun nnml-generate-nov-databases ()
-  "Generate nov databases in all nnml directories."
-  (interactive)
-  ;; Read the active file to make sure we don't re-use articles 
+(defun nnml-generate-nov-databases (&optional server)
+  "Generate NOV databases in all nnml directories."
+  (interactive (list (or (nnoo-current-server 'nnml) "")))
+  ;; Read the active file to make sure we don't re-use articles
   ;; numbers in empty groups.
   (nnmail-activate 'nnml)
-  (nnml-open-server (or nnml-current-server ""))
+  (unless (nnml-server-opened server)
+    (nnml-open-server server))
   (setq nnml-directory (expand-file-name nnml-directory))
   ;; Recurse down the directories.
-  (nnml-generate-nov-databases-1 nnml-directory)
+  (nnml-generate-nov-databases-directory nnml-directory nil t)
   ;; Save the active file.
   (nnmail-save-active nnml-group-alist nnml-active-file))
 
-(defun nnml-generate-nov-databases-1 (dir)
-  (setq dir (file-name-as-directory dir))
-  ;; We descend recursively 
-  (let ((dirs (directory-files dir t nil t))
-       dir)
-    (while dirs 
-      (setq dir (pop dirs))
-      (when (and (not (string-match "/\\.\\.?$" dir))
-                (file-directory-p dir))
-       (nnml-generate-nov-databases-1 dir))))
-  ;; Do this directory.
-  (let ((files (sort
-               (mapcar
-                (lambda (name) (string-to-int name))
-                (directory-files dir nil "^[0-9]+$" t))
-               '<)))
-    (when files
-      (funcall nnml-generate-active-function dir)
-      ;; Generate the nov file.
-      (nnml-generate-nov-file dir files))))
+(defun nnml-generate-nov-databases-directory (dir &optional seen no-active)
+  "Regenerate the NOV database in DIR.
 
+Unless no-active is non-nil, update the active file too."
+  (interactive (list (let ((file-name-coding-system
+                           nnmail-pathname-coding-system))
+                      (read-directory-name "Regenerate NOV in: "
+                                           nnml-directory nil t))))
+  (setq dir (file-name-as-directory dir))
+  (let ((file-name-coding-system nnmail-pathname-coding-system))
+    ;; Only scan this sub-tree if we haven't been here yet.
+    (unless (member (file-truename dir) seen)
+      (push (file-truename dir) seen)
+      ;; We descend recursively
+      (dolist (dir (directory-files dir t nil t))
+       (when (and (not (string-match "^\\." (file-name-nondirectory dir)))
+                  (file-directory-p dir))
+         (nnml-generate-nov-databases-directory dir seen)))
+      ;; Do this directory.
+      (let ((files (sort (nnheader-article-to-file-alist dir)
+                        'car-less-than-car)))
+       (if (not files)
+           (let* ((group (nnheader-file-to-group
+                          (directory-file-name dir) nnml-directory))
+                  (info (cadr (assoc group nnml-group-alist))))
+             (when info
+               (setcar info (1+ (cdr info)))))
+         (funcall nnml-generate-active-function dir)
+         ;; Generate the nov file.
+         (nnml-generate-nov-file dir files)
+         (unless no-active
+           (nnmail-save-active nnml-group-alist nnml-active-file)))))))
+
+(eval-when-compile (defvar files))
 (defun nnml-generate-active-info (dir)
   ;; Update the active info for this group.
-  (let ((group (nnmail-replace-chars-in-string 
-               (substring dir (length nnml-directory))
-               ?/ ?.)))
-    (setq nnml-group-alist (delq (assoc group nnml-group-alist)))
+  (let ((group (directory-file-name dir))
+       entry last)
+    (setq group (nnheader-file-to-group (nnml-encoded-group-name group)
+                                       nnml-directory)
+         entry (assoc group nnml-group-alist)
+         last (or (caadr entry) 0)
+         nnml-group-alist (delq entry nnml-group-alist))
     (push (list group
-               (cons (car files)
-                     (let ((f files))
-                       (while (cdr f) (setq f (cdr f)))
-                       (car f))))
+               (cons (or (caar files) (1+ last))
+                     (max last
+                          (or (caar (last files))
+                              0))))
          nnml-group-alist)))
 
 (defun nnml-generate-nov-file (dir files)
-  (let ((nov (concat dir "/" nnml-nov-file-name))
-       (nov-buffer (get-buffer-create " *nov*"))
-       nov-line chars)
+  (let* ((dir (file-name-as-directory dir))
+        (nov (concat dir nnml-nov-file-name))
+        (nov-buffer (get-buffer-create " *nov*"))
+        chars file headers)
     (save-excursion
       ;; Init the nov buffer.
       (set-buffer nov-buffer)
-      (buffer-disable-undo (current-buffer))
+      (buffer-disable-undo)
       (erase-buffer)
       (set-buffer nntp-server-buffer)
       ;; Delete the old NOV file.
       (when (file-exists-p nov)
        (funcall nnmail-delete-file-function nov))
       (while files
-       (erase-buffer)
-       (insert-file-contents (concat dir "/" (int-to-string (car files))))
-       (narrow-to-region 
-        (goto-char (point-min))
-        (progn
-          (search-forward "\n\n" nil t)
-          (setq chars (- (point-max) (point)))
-          (1- (point))))
-       (when (and (not (= 0 chars))    ; none of them empty files...
-                  (not (= (point-min) (point-max))))
-         (goto-char (point-min))
-         (setq nov-line (nnml-make-nov-line chars))
-         (save-excursion
-           (set-buffer nov-buffer)
-           (goto-char (point-max))
-           (insert (int-to-string (car files)) nov-line)))
-       (widen)
+       (unless (file-directory-p (setq file (concat dir (cdar files))))
+         (erase-buffer)
+         (nnheader-insert-file-contents file)
+         (narrow-to-region
+          (goto-char (point-min))
+          (progn
+            (re-search-forward "\n\r?\n" nil t)
+            (setq chars (- (point-max) (point)))
+            (max (point-min) (1- (point)))))
+         (unless (zerop (buffer-size))
+           (goto-char (point-min))
+           (setq headers (nnml-parse-head chars (caar files)))
+           (save-excursion
+             (set-buffer nov-buffer)
+             (goto-char (point-max))
+             (nnheader-insert-nov headers)))
+         (widen))
        (setq files (cdr files)))
       (save-excursion
        (set-buffer nov-buffer)
-       (write-region 1 (point-max) (expand-file-name nov) nil
-                     'nomesg)
+       (nnmail-write-region (point-min) (point-max) nov nil 'nomesg)
        (kill-buffer (current-buffer))))))
 
 (defun nnml-nov-delete-article (group article)
   (save-excursion
     (set-buffer (nnml-open-nov group))
-    (goto-char (point-min))
-    (if (re-search-forward (concat "^" (int-to-string article) "\t") nil t)
-       (delete-region (match-beginning 0) (progn (forward-line 1) (point))))
+    (when (nnheader-find-nov-line article)
+      (delete-region (point) (progn (forward-line 1) (point)))
+      (when (bobp)
+       (let ((active (cadr (assoc group nnml-group-alist)))
+             num)
+         (when active
+           (if (eobp)
+               (setf (car active) (1+ (cdr active)))
+             (when (and (setq num (ignore-errors (read (current-buffer))))
+                        (numberp num))
+               (setf (car active) num)))))))
     t))
 
+(defun nnml-update-file-alist (&optional force)
+  (when nnml-use-compressed-files
+    (when (or (not nnml-article-file-alist)
+             force)
+      (setq nnml-article-file-alist
+           (nnml-current-group-article-to-file-alist)))))
+
+(defun nnml-directory-articles (dir)
+  "Return a list of all article files in a directory.
+Use the nov database for that directory if available."
+  (if (or gnus-nov-is-evil nnml-nov-is-evil
+         (not (file-exists-p
+               (expand-file-name nnml-nov-file-name dir))))
+      (nnheader-directory-articles dir)
+    ;; build list from .overview if available
+    ;; We would use nnml-open-nov, except that nnml-nov-buffer-alist is
+    ;; defvoo'd, and we might get called when it hasn't been swapped in.
+    (save-excursion
+      (let ((list nil)
+           art
+           (buffer (nnml-get-nov-buffer nnml-current-group)))
+       (set-buffer buffer)
+       (goto-char (point-min))
+       (while (not (eobp))
+         (setq art (read (current-buffer)))
+         (push art list)
+         (forward-line 1))
+       list))))
+
+(defun nnml-current-group-article-to-file-alist ()
+  "Return an alist of article/file pairs in the current group.
+Use the nov database for the current group if available."
+  (if (or nnml-use-compressed-files
+         gnus-nov-is-evil
+         nnml-nov-is-evil
+         (not (file-exists-p
+               (expand-file-name nnml-nov-file-name
+                                 nnml-current-directory))))
+      (nnheader-article-to-file-alist nnml-current-directory)
+    ;; build list from .overview if available
+    (save-excursion
+      (let ((alist nil)
+           (buffer (nnml-get-nov-buffer nnml-current-group))
+           art)
+       (set-buffer buffer)
+       (goto-char (point-min))
+       (while (not (eobp))
+         (setq art (read (current-buffer)))
+         ;; assume file name is unadorned (ie. not compressed etc)
+         (push (cons art (int-to-string art)) alist)
+         (forward-line 1))
+       alist))))
+
+(deffoo nnml-request-set-mark (group actions &optional server)
+  (nnml-possibly-change-directory group server)
+  (unless nnml-marks-is-evil
+    (nnml-open-marks group server)
+    (dolist (action actions)
+      (let ((range (nth 0 action))
+           (what  (nth 1 action))
+           (marks (nth 2 action)))
+       (assert (or (eq what 'add) (eq what 'del)) nil
+               "Unknown request-set-mark action: %s" what)
+       (dolist (mark marks)
+         (setq nnml-marks (gnus-update-alist-soft
+                           mark
+                           (funcall (if (eq what 'add) 'gnus-range-add
+                                      'gnus-remove-from-range)
+                                    (cdr (assoc mark nnml-marks)) range)
+                           nnml-marks)))))
+    (nnml-save-marks group server))
+  nil)
+
+(deffoo nnml-request-update-info (group info &optional server)
+  (nnml-possibly-change-directory group server)
+  (when (and (not nnml-marks-is-evil) (nnml-marks-changed-p group server))
+    (nnheader-message 8 "Updating marks for %s..." group)
+    (nnml-open-marks group server)
+    ;; Update info using `nnml-marks'.
+    (mapc (lambda (pred)
+           (unless (memq (cdr pred) gnus-article-unpropagated-mark-lists)
+             (gnus-info-set-marks
+              info
+              (gnus-update-alist-soft
+               (cdr pred)
+               (cdr (assq (cdr pred) nnml-marks))
+               (gnus-info-marks info))
+              t)))
+         gnus-article-mark-lists)
+    (let ((seen (cdr (assq 'read nnml-marks))))
+      (gnus-info-set-read info
+                         (if (and (integerp (car seen))
+                                  (null (cdr seen)))
+                             (list (cons (car seen) (car seen)))
+                           seen)))
+    (nnheader-message 8 "Updating marks for %s...done" group))
+  info)
+
+(defun nnml-marks-changed-p (group server)
+  (let ((file (nnml-group-pathname group nnml-marks-file-name server)))
+    (if (null (gnus-gethash file nnml-marks-modtime))
+       t ;; never looked at marks file, assume it has changed
+      (not (equal (gnus-gethash file nnml-marks-modtime)
+                 (nth 5 (file-attributes file)))))))
+
+(defun nnml-save-marks (group server)
+  (let ((file-name-coding-system nnmail-pathname-coding-system)
+       (file (nnml-group-pathname group nnml-marks-file-name server)))
+    (condition-case err
+       (progn
+         (nnml-possibly-create-directory group server)
+         (with-temp-file file
+           (erase-buffer)
+           (gnus-prin1 nnml-marks)
+           (insert "\n"))
+         (gnus-sethash file
+                       (nth 5 (file-attributes file))
+                       nnml-marks-modtime))
+      (error (or (gnus-yes-or-no-p
+                 (format "Could not write to %s (%s).  Continue? " file err))
+                (error "Cannot write to %s (%s)" file err))))))
+
+(defun nnml-open-marks (group server)
+  (let* ((decoded (nnml-decoded-group-name group server))
+        (file (nnmail-group-pathname decoded nnml-directory
+                                     nnml-marks-file-name))
+        (file-name-coding-system nnmail-pathname-coding-system))
+    (if (file-exists-p file)
+       (condition-case err
+           (with-temp-buffer
+             (gnus-sethash file (nth 5 (file-attributes file))
+                           nnml-marks-modtime)
+             (nnheader-insert-file-contents file)
+             (setq nnml-marks (read (current-buffer)))
+             (dolist (el gnus-article-unpropagated-mark-lists)
+               (setq nnml-marks (gnus-remassoc el nnml-marks))))
+         (error (or (gnus-yes-or-no-p
+                     (format "Error reading nnml marks file %s (%s).  Continuing will use marks from .newsrc.eld.  Continue? " file err))
+                    (error "Cannot read nnml marks file %s (%s)" file err))))
+      ;; User didn't have a .marks file.  Probably first time
+      ;; user of the .marks stuff.  Bootstrap it from .newsrc.eld.
+      (let ((info (gnus-get-info
+                  (gnus-group-prefixed-name
+                   group
+                   (gnus-server-to-method
+                    (format "nnml:%s" (or server "")))))))
+       (setq decoded (if (member server '(nil ""))
+                         (concat "nnml:" decoded)
+                       (format "nnml+%s:%s" server decoded)))
+       (nnheader-message 7 "Bootstrapping marks for %s..." decoded)
+       (setq nnml-marks (gnus-info-marks info))
+       (push (cons 'read (gnus-info-read info)) nnml-marks)
+       (dolist (el gnus-article-unpropagated-mark-lists)
+         (setq nnml-marks (gnus-remassoc el nnml-marks)))
+       (nnml-save-marks group server)
+       (nnheader-message 7 "Bootstrapping marks for %s...done" decoded)))))
+
+
+;;;
+;;; Group and server compaction. -- dvl
+;;;
+
+;; #### FIXME: this function handles self Xref: entry correctly, but I don't
+;; #### know how to handle external cross-references. I actually don't know if
+;; #### this is handled correctly elsewhere. For instance, what happens if you
+;; #### move all articles to a new group (that's what people do for manual
+;; #### compaction) ?
+
+;; #### NOTE: the function below handles the article backlog. This is
+;; #### conceptually the wrong place to do it because the backend is at a
+;; #### lower level. However, this is the only place where we have the needed
+;; #### information to do the job. Ideally, this function should not handle
+;; #### the backlog by itself, but return a list of moved groups / articles to
+;; #### the caller. This will become important to avoid code duplication when
+;; #### other backends get a compaction feature. Also, note that invalidating
+;; #### the "original article buffer" is already done at an upper level.
+
+;; Shouldn't `nnml-request-compact-group' be interactive? --rsteib
+
+(defun nnml-request-compact-group (group &optional server save)
+  (nnml-possibly-change-directory group server)
+  (unless nnml-article-file-alist
+    (setq nnml-article-file-alist
+         (sort (nnml-current-group-article-to-file-alist)
+               'car-less-than-car)))
+  (if (not nnml-article-file-alist)
+      ;; The group is empty: do nothing but return t
+      t
+    ;; The group is not empty:
+    (let* ((group-full-name
+           (gnus-group-prefixed-name
+            group
+            (gnus-server-to-method (format "nnml:%s" server))))
+          (info (gnus-get-info group-full-name))
+          (new-number 1)
+          compacted)
+      (let ((articles nnml-article-file-alist)
+           article)
+       (while (setq article (pop articles))
+         (let ((old-number (car article)))
+           (when (> old-number new-number)
+             ;; There is a gap here:
+             (let ((old-number-string (int-to-string old-number))
+                   (new-number-string (int-to-string new-number)))
+               (setq compacted t)
+               ;; #### NOTE: `nnml-article-to-file' calls
+               ;; #### `nnml-update-file-alist'  (which in turn calls
+               ;; #### `nnml-current-group-article-to-file-alist', which
+               ;; #### might use the NOV database). This might turn out to be
+               ;; #### inefficient. In that case, we will do the work
+               ;; #### manually.
+               ;; 1/ Move the article to a new file:
+               (let* ((oldfile (nnml-article-to-file old-number))
+                      (newfile
+                       (gnus-replace-in-string
+                        oldfile
+                        ;; nnml-use-compressed-files might be any string, but
+                        ;; probably it's sufficient to take into account only
+                        ;; "\\.[a-z0-9]+".  Note that we can't only use the
+                        ;; value of nnml-use-compressed-files because old
+                        ;; articles might have been saved with a different
+                        ;; value.
+                        (concat
+                         "\\(" old-number-string "\\)\\(\\(\\.[a-z0-9]+\\)?\\)$")
+                        (concat new-number-string "\\2"))))
+                 (with-current-buffer nntp-server-buffer
+                   (nnmail-find-file oldfile)
+                   ;; Update the Xref header in the article itself:
+                   (when (and (re-search-forward "^Xref: [^ ]+ " nil t)
+                              (re-search-forward
+                               (concat "\\<"
+                                       (regexp-quote
+                                        (concat group ":" old-number-string))
+                                       "\\>")
+                               (point-at-eol) t))
+                     (replace-match
+                      (concat group ":" new-number-string)))
+                   ;; Save to the new file:
+                   (nnmail-write-region (point-min) (point-max) newfile))
+                 (funcall nnmail-delete-file-function oldfile))
+               ;; 2/ Update all marks for this article:
+               ;; #### NOTE: it is possible that the new article number
+               ;; #### already belongs to a range, whereas the corresponding
+               ;; #### article doesn't exist (for example, if you delete an
+               ;; #### article). For that reason, it is important to update
+               ;; #### the ranges (meaning remove inexistant articles) before
+               ;; #### doing anything on them.
+               ;; 2 a/ read articles:
+               (let ((read (gnus-info-read info)))
+                 (setq read (gnus-remove-from-range read (list new-number)))
+                 (when (gnus-member-of-range old-number read)
+                   (setq read (gnus-remove-from-range read (list old-number)))
+                   (setq read (gnus-add-to-range read (list new-number))))
+                 (gnus-info-set-read info read))
+               ;; 2 b/ marked articles:
+               (let ((oldmarks (gnus-info-marks info))
+                     mark newmarks)
+                 (while (setq mark (pop oldmarks))
+                   (setcdr mark (gnus-remove-from-range (cdr mark)
+                                                        (list new-number)))
+                   (when (gnus-member-of-range old-number (cdr mark))
+                     (setcdr mark (gnus-remove-from-range (cdr mark)
+                                                          (list old-number)))
+                     (setcdr mark (gnus-add-to-range (cdr mark)
+                                                     (list new-number))))
+                   (push mark newmarks))
+                 (gnus-info-set-marks info newmarks))
+               ;; 3/ Update the NOV entry for this article:
+               (unless nnml-nov-is-evil
+                 (save-excursion
+                   (set-buffer (nnml-open-nov group))
+                   (when (nnheader-find-nov-line old-number)
+                     ;; Replace the article number:
+                     (looking-at old-number-string)
+                     (replace-match new-number-string nil t)
+                     ;; Update the Xref header:
+                     (when (re-search-forward
+                            (concat "\\(Xref:[^\t\n]* \\)\\<"
+                                    (regexp-quote
+                                     (concat group ":" old-number-string))
+                                    "\\>")
+                            (point-at-eol) t)
+                       (replace-match
+                        (concat "\\1" group ":" new-number-string))))))
+               ;; 4/ Possibly remove the article from the backlog:
+               (when gnus-keep-backlog
+                 ;; #### NOTE: instead of removing the article, we could
+                 ;; #### modify the backlog to reflect the numbering change,
+                 ;; #### but I don't think it's worth it.
+                 (gnus-backlog-remove-article group-full-name old-number)
+                 (gnus-backlog-remove-article group-full-name new-number))))
+           (setq new-number (1+ new-number)))))
+      (if (not compacted)
+         ;; No compaction had to be done:
+         t
+       ;; Some articles have actually been renamed:
+       ;; 1/ Rebuild active information:
+       (let ((entry (assoc group nnml-group-alist))
+             (active (cons 1 (1- new-number))))
+         (setq nnml-group-alist (delq entry nnml-group-alist))
+         (push (list group active) nnml-group-alist)
+         ;; Update the active hashtable to let the *Group* buffer display
+         ;; up-to-date lines. I don't think that either gnus-newsrc-hashtb or
+         ;; gnus-newwrc-alist are out of date, since all we did is to modify
+         ;; the info of the group internally.
+         (gnus-set-active group-full-name active))
+       ;; 1 bis/
+       ;; #### NOTE: normally, we should save the overview (NOV) file
+       ;; #### here, just like we save the marks file. However, there is no
+       ;; #### such function as nnml-save-nov for a single group. Only for
+       ;; #### all groups. Gnus inconsistency is getting worse every day...
+       ;; 2/ Rebuild marks file:
+       (unless nnml-marks-is-evil
+         ;; #### NOTE: this constant use of global variables everywhere is
+         ;; #### truly disgusting. Gnus really needs a *major* cleanup.
+         (setq nnml-marks (gnus-info-marks info))
+         (push (cons 'read (gnus-info-read info)) nnml-marks)
+         (dolist (el gnus-article-unpropagated-mark-lists)
+           (setq nnml-marks (gnus-remassoc el nnml-marks)))
+         (nnml-save-marks group server))
+       ;; 3/ Save everything if this was not part of a bigger operation:
+       (if (not save)
+           ;; Nothing to save (yet):
+           t
+         ;; Something to save:
+         ;; a/ Save the NOV databases:
+         ;; #### NOTE: this should be done directory per directory in 1bis
+         ;; #### above. See comment there.
+         (nnml-save-nov)
+         ;; b/ Save the active file:
+         (nnmail-save-active nnml-group-alist nnml-active-file)
+         t)))))
+
+(defun nnml-request-compact (&optional server)
+  "Request compaction of all SERVER nnml groups."
+  (interactive (list (or (nnoo-current-server 'nnml) "")))
+  (nnmail-activate 'nnml)
+  (unless (nnml-server-opened server)
+    (nnml-open-server server))
+  (setq nnml-directory (expand-file-name nnml-directory))
+  (let* ((groups (gnus-groups-from-server
+                 (gnus-server-to-method (format "nnml:%s" server))))
+        (first (pop groups))
+        group)
+    (when first
+      (while (setq group (pop groups))
+       (nnml-request-compact-group (gnus-group-real-name group) server))
+      (nnml-request-compact-group (gnus-group-real-name first) server t))))
+
+
 (provide 'nnml)
 
+;;; arch-tag: 52c97dc3-9735-45de-b439-9e4d23b52004
 ;;; nnml.el ends here