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23f87bede0
Merge from emacs--gnus--5.10, gnus--rel--5.10 Patches applied: * miles@gnu.org--gnu-2004/emacs--gnus--5.10--base-0 tag of miles@gnu.org--gnu-2004/emacs--cvs-trunk--0--patch-464 * miles@gnu.org--gnu-2004/emacs--gnus--5.10--patch-1 Import from CVS branch gnus-5_10-branch * miles@gnu.org--gnu-2004/emacs--gnus--5.10--patch-2 Merge from lorentey@elte.hu--2004/emacs--multi-tty--0, emacs--cvs-trunk--0 * miles@gnu.org--gnu-2004/emacs--gnus--5.10--patch-3 Merge from gnus--rel--5.10 * miles@gnu.org--gnu-2004/emacs--gnus--5.10--patch-4 Merge from gnus--rel--5.10 * miles@gnu.org--gnu-2004/gnus--rel--5.10--patch-18 Update from CVS * miles@gnu.org--gnu-2004/gnus--rel--5.10--patch-19 Remove autoconf-generated files from archive * miles@gnu.org--gnu-2004/gnus--rel--5.10--patch-20 Update from CVS
252 lines
7.8 KiB
EmacsLisp
252 lines
7.8 KiB
EmacsLisp
;;; nnagent.el --- offline backend for Gnus
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;; Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002
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;; Free Software Foundation, Inc.
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;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
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;; Keywords: news, mail
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;; This file is part of GNU Emacs.
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;; GNU Emacs is free software; you can redistribute it and/or modify
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;; it under the terms of the GNU General Public License as published by
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;; the Free Software Foundation; either version 2, or (at your option)
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;; any later version.
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;; GNU Emacs is distributed in the hope that it will be useful,
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;; but WITHOUT ANY WARRANTY; without even the implied warranty of
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;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;; GNU General Public License for more details.
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;; You should have received a copy of the GNU General Public License
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;; along with GNU Emacs; see the file COPYING. If not, write to the
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;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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;; Boston, MA 02111-1307, USA.
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;;; Commentary:
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;;; Code:
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(require 'nnheader)
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(require 'nnoo)
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(eval-when-compile (require 'cl))
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(require 'gnus-agent)
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(require 'nnml)
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(nnoo-declare nnagent
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nnml)
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(defconst nnagent-version "nnagent 1.0")
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(defvoo nnagent-directory nil
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"Internal variable."
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nnml-directory)
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(defvoo nnagent-active-file nil
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"Internal variable."
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nnml-active-file)
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(defvoo nnagent-newsgroups-file nil
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"Internal variable."
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nnml-newsgroups-file)
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(defvoo nnagent-get-new-mail nil
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"Internal variable."
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nnml-get-new-mail)
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;;; Interface functions.
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(nnoo-define-basics nnagent)
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(defun nnagent-server (server)
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(and server (format "%s+%s" (car gnus-command-method) server)))
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(deffoo nnagent-open-server (server &optional defs)
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(setq defs
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`((nnagent-directory ,(gnus-agent-directory))
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(nnagent-active-file ,(gnus-agent-lib-file "active"))
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(nnagent-newsgroups-file ,(gnus-agent-lib-file "newsgroups"))
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(nnagent-get-new-mail nil)))
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(nnoo-change-server 'nnagent
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(nnagent-server server)
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defs)
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(let ((dir (gnus-agent-directory))
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err)
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(cond
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((not (condition-case arg
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(file-exists-p dir)
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(ftp-error (setq err (format "%s" arg)))))
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(nnagent-close-server)
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(nnheader-report
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'nnagent (or err
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(format "No such file or directory: %s" dir))))
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((not (file-directory-p (file-truename dir)))
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(nnagent-close-server)
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(nnheader-report 'nnagent "Not a directory: %s" dir))
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(t
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(nnheader-report 'nnagent "Opened server %s using directory %s"
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server dir)
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t))))
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(deffoo nnagent-retrieve-groups (groups &optional server)
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(save-excursion
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(cond
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((file-exists-p (gnus-agent-lib-file "groups"))
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(nnmail-find-file (gnus-agent-lib-file "groups"))
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'groups)
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((file-exists-p (gnus-agent-lib-file "active"))
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(nnmail-find-file (gnus-agent-lib-file "active"))
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'active)
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(t nil))))
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(defun nnagent-request-type (group article)
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(unless (stringp article)
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(let ((gnus-plugged t))
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(if (not (gnus-check-backend-function
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'request-type (car gnus-command-method)))
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'unknown
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(funcall (gnus-get-function gnus-command-method 'request-type)
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(gnus-group-real-name group) article)))))
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(deffoo nnagent-request-newgroups (date server)
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nil)
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(deffoo nnagent-request-update-info (group info &optional server)
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nil)
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(deffoo nnagent-request-post (&optional server)
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(gnus-agent-insert-meta-information 'news gnus-command-method)
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(gnus-request-accept-article "nndraft:queue" nil t t))
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(deffoo nnagent-request-set-mark (group action server)
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(with-temp-buffer
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(insert (format "(%s-request-set-mark \"%s\" '%s \"%s\")\n"
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(nth 0 gnus-command-method) group action
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(or server (nth 1 gnus-command-method))))
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(append-to-file (point-min) (point-max) (gnus-agent-lib-file "flags")))
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nil)
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(deffoo nnagent-retrieve-headers (articles &optional group server fetch-old)
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(let ((file (gnus-agent-article-name ".overview" group))
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arts n first)
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(save-excursion
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(gnus-agent-load-alist group)
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(setq arts (gnus-sorted-difference
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articles (mapcar 'car gnus-agent-article-alist)))
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;; Assume that articles with smaller numbers than the first one
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;; Agent knows are gone.
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(setq first (caar gnus-agent-article-alist))
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(when first
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(while (and arts (< (car arts) first))
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(pop arts)))
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(set-buffer nntp-server-buffer)
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(erase-buffer)
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(nnheader-insert-nov-file file (car articles))
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(goto-char (point-min))
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(gnus-parse-without-error
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(while (and arts (not (eobp)))
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(setq n (read (current-buffer)))
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(when (> n (car arts))
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(beginning-of-line))
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(while (and arts (> n (car arts)))
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(insert (format
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"%d\t[Undownloaded article %d]\tGnus Agent\t\t\t\n"
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(car arts) (car arts)))
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(pop arts))
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(when (and arts (= n (car arts)))
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(pop arts))
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(forward-line 1)))
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(while arts
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(insert (format
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"%d\t[Undownloaded article %d]\tGnus Agent\t\t\t\n"
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(car arts) (car arts)))
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(pop arts))
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(if (and fetch-old
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(not (numberp fetch-old)))
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t ; Don't remove anything.
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(nnheader-nov-delete-outside-range
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(if fetch-old (max 1 (- (car articles) fetch-old))
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(car articles))
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(car (last articles)))
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t)
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'nov)))
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(deffoo nnagent-request-expire-articles (articles group &optional server force)
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articles)
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(deffoo nnagent-request-group (group &optional server dont-check)
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(nnoo-parent-function 'nnagent 'nnml-request-group
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(list group (nnagent-server server) dont-check)))
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(deffoo nnagent-close-group (group &optional server)
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(nnoo-parent-function 'nnagent 'nnml-close-group
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(list group (nnagent-server server))))
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(deffoo nnagent-request-accept-article (group &optional server last)
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(nnoo-parent-function 'nnagent 'nnml-request-accept-article
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(list group (nnagent-server server) last)))
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(deffoo nnagent-request-article (id &optional group server buffer)
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(nnoo-parent-function 'nnagent 'nnml-request-article
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(list id group (nnagent-server server) buffer)))
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(deffoo nnagent-request-create-group (group &optional server args)
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(nnoo-parent-function 'nnagent 'nnml-request-create-group
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(list group (nnagent-server server) args)))
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(deffoo nnagent-request-delete-group (group &optional force server)
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(nnoo-parent-function 'nnagent 'nnml-request-delete-group
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(list group force (nnagent-server server))))
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(deffoo nnagent-request-list (&optional server)
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(nnoo-parent-function 'nnagent 'nnml-request-list
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(list (nnagent-server server))))
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(deffoo nnagent-request-list-newsgroups (&optional server)
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(nnoo-parent-function 'nnagent 'nnml-request-list-newsgroups
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(list (nnagent-server server))))
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(deffoo nnagent-request-move-article
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(article group server accept-form &optional last)
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(nnoo-parent-function 'nnagent 'nnml-request-move-article
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(list article group (nnagent-server server)
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accept-form last)))
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(deffoo nnagent-request-rename-group (group new-name &optional server)
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(nnoo-parent-function 'nnagent 'nnml-request-rename-group
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(list group new-name (nnagent-server server))))
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(deffoo nnagent-request-scan (&optional group server)
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(nnoo-parent-function 'nnagent 'nnml-request-scan
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(list group (nnagent-server server))))
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(deffoo nnagent-set-status (article name value &optional group server)
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(nnoo-parent-function 'nnagent 'nnml-set-status
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(list article name value group (nnagent-server server))))
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(deffoo nnagent-server-opened (&optional server)
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(nnoo-parent-function 'nnagent 'nnml-server-opened
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(list (nnagent-server server))))
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(deffoo nnagent-status-message (&optional server)
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(nnoo-parent-function 'nnagent 'nnml-status-message
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(list (nnagent-server server))))
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(deffoo nnagent-request-regenerate (server)
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(nnoo-parent-function 'nnagent 'nnml-request-regenerate
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(list (nnagent-server server))))
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;; Use nnml functions for just about everything.
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(nnoo-import nnagent
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(nnml))
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;;; Internal functions.
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(provide 'nnagent)
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;;; arch-tag: af710b77-f816-4969-af31-6fd94fb42245
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;;; nnagent.el ends here
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