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cee9f5c6a1
* mh-alias.el: * mh-comp.el: * mh-customize.el: * mh-e.el: * mh-funcs.el: * mh-gnus.el: * mh-identity.el: * mh-inc.el: * mh-index.el: * mh-init.el: * mh-junk.el: * mh-mime.el: * mh-pick.el: * mh-print.el: * mh-seq.el: * mh-speed.el: * mh-utils.el: Follow commenting conventions. Don't use ;;; form so much, except for headings. Precede headings with page feed. This was mostly already done, so I made it a convention. Did not update copyright on a couple of files since this was an insignificant change.
193 lines
7.0 KiB
EmacsLisp
193 lines
7.0 KiB
EmacsLisp
;;; mh-gnus.el --- Make MH-E compatible with installed version of Gnus.
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;; Copyright (C) 2003, 2004 Free Software Foundation, Inc.
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;; Author: Satyaki Das <satyaki@theforce.stanford.edu>
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;; Maintainer: Bill Wohler <wohler@newt.com>
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;; Keywords: mail
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;; See: mh-e.el
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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., 51 Franklin Street, Fifth Floor,
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;; Boston, MA 02110-1301, USA.
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;;; Commentary:
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;;; Change Log:
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;;; Code:
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;; Load libraries in a non-fatal way in order to see if certain functions are
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;; pre-defined.
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(load "mailabbrev" t t)
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(load "mailcap" t t)
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(load "mm-decode" t t)
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(load "mm-uu" t t)
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(load "mml" t t)
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(load "smiley" t t)
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(defmacro mh-defun-compat (function arg-list &rest body)
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"This is a macro to define functions which are not defined.
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It is used for Gnus utility functions which were added recently. If FUNCTION
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is not defined then it is defined to have argument list, ARG-LIST and body,
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BODY."
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(let ((defined-p (fboundp function)))
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(unless defined-p
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`(defun ,function ,arg-list ,@body))))
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(put 'mh-defun-compat 'lisp-indent-function 'defun)
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(defmacro mh-defmacro-compat (function arg-list &rest body)
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"This is a macro to define functions which are not defined.
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It is used for Gnus utility functions which were added recently. If FUNCTION
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is not defined then it is defined to have argument list, ARG-LIST and body,
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BODY."
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(let ((defined-p (fboundp function)))
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(unless defined-p
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`(defmacro ,function ,arg-list ,@body))))
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(put 'mh-defmacro-compat 'lisp-indent-function 'defun)
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;; Copy of original function from gnus-util.el.
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(mh-defun-compat gnus-local-map-property (map)
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"Return a list suitable for a text property list specifying keymap MAP."
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(cond (mh-xemacs-flag (list 'keymap map))
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((>= emacs-major-version 21) (list 'keymap map))
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(t (list 'local-map map))))
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;; Copy of original function from mm-decode.el.
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(mh-defun-compat mm-merge-handles (handles1 handles2)
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(append (if (listp (car handles1)) handles1 (list handles1))
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(if (listp (car handles2)) handles2 (list handles2))))
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;; Copy of function from mm-decode.el.
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(mh-defun-compat mm-set-handle-multipart-parameter (handle parameter value)
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;; HANDLE could be a CTL.
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(if handle
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(put-text-property 0 (length (car handle)) parameter value
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(car handle))))
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;; Copy of function from mm-view.el.
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(mh-defun-compat mm-inline-text-vcard (handle)
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(let (buffer-read-only)
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(mm-insert-inline
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handle
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(concat "\n-- \n"
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(ignore-errors
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(if (fboundp 'vcard-pretty-print)
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(vcard-pretty-print (mm-get-part handle))
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(vcard-format-string
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(vcard-parse-string (mm-get-part handle)
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'vcard-standard-filter))))))))
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;; Function from mm-decode.el used in PGP messages. Just define it with older
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;; Gnus to avoid compiler warning.
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(mh-defun-compat mm-possibly-verify-or-decrypt (parts ctl)
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nil)
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;; Copy of original macro is in mm-decode.el.
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(mh-defmacro-compat mm-handle-multipart-ctl-parameter (handle parameter)
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`(get-text-property 0 ,parameter (car ,handle)))
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;; Copy of original function in mm-decode.el.
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(mh-defun-compat mm-readable-p (handle)
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"Say whether the content of HANDLE is readable."
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(and (< (with-current-buffer (mm-handle-buffer handle)
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(buffer-size)) 10000)
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(mm-with-unibyte-buffer
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(mm-insert-part handle)
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(and (eq (mm-body-7-or-8) '7bit)
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(not (mm-long-lines-p 76))))))
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;; Copy of original function in mm-bodies.el.
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(mh-defun-compat mm-long-lines-p (length)
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"Say whether any of the lines in the buffer is longer than LENGTH."
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(save-excursion
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(goto-char (point-min))
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(end-of-line)
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(while (and (not (eobp))
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(not (> (current-column) length)))
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(forward-line 1)
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(end-of-line))
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(and (> (current-column) length)
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(current-column))))
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(mh-defun-compat mm-keep-viewer-alive-p (handle)
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;; Released Gnus doesn't keep handles associated with externally displayed
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;; MIME parts. So this will always return nil.
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nil)
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(mh-defun-compat mm-destroy-parts (list)
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"Older versions of Emacs don't have this function."
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nil)
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;; Copy of original function in mml.el.
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(mh-defun-compat mml-minibuffer-read-disposition (type &optional default)
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(unless default (setq default
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(if (and (string-match "\\`text/" type)
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(not (string-match "\\`text/rtf\\'" type)))
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"inline"
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"attachment")))
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(let ((disposition (completing-read
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(format "Disposition (default %s): " default)
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'(("attachment") ("inline") (""))
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nil t nil nil default)))
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(if (not (equal disposition ""))
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disposition
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default)))
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;; This is mm-save-part from Gnus 5.10 since that function in emacs21.2 is
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;; buggy (the args to read-file-name are incorrect). When all supported
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;; versions of Emacs come with at least Gnus 5.10, we can delete this
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;; function and rename calls to mh-mm-save-part to mm-save-part.
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(defun mh-mm-save-part (handle)
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"Write HANDLE to a file."
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(let ((name (mail-content-type-get (mm-handle-type handle) 'name))
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(filename (mail-content-type-get
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(mm-handle-disposition handle) 'filename))
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file)
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(when filename
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(setq filename (file-name-nondirectory filename)))
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(setq file (read-file-name "Save MIME part to: "
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(or mm-default-directory
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default-directory)
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nil nil (or filename name "")))
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(setq mm-default-directory (file-name-directory file))
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(and (or (not (file-exists-p file))
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(yes-or-no-p (format "File %s already exists; overwrite? "
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file)))
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(mm-save-part-to-file handle file))))
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(defun mh-mm-text-html-renderer ()
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"Find the renderer Gnus is using to display text/html MIME parts."
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(or (and (boundp 'mm-inline-text-html-renderer) mm-inline-text-html-renderer)
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(and (boundp 'mm-text-html-renderer) mm-text-html-renderer)))
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(defun mh-mail-abbrev-make-syntax-table ()
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"Call `mail-abbrev-make-syntax-table' if available."
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(when (fboundp 'mail-abbrev-make-syntax-table)
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(mail-abbrev-make-syntax-table)))
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(provide 'mh-gnus)
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;; Local Variables:
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;; no-byte-compile: t
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;; no-update-autoloads: t
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;; indent-tabs-mode: nil
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;; sentence-end-double-space: nil
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;; End:
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;; arch-tag: 1e3638af-cad3-4c69-8427-bc8eb6e5e4fa
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;;; mh-gnus.el ends here
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