[Top][All Lists]
[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[Emacs-diffs] Changes to emacs/lisp/gnus/gnus-art.el [gnus-5_10-branch]
|
From: |
Andreas Schwab |
|
Subject: |
[Emacs-diffs] Changes to emacs/lisp/gnus/gnus-art.el [gnus-5_10-branch] |
|
Date: |
Thu, 22 Jul 2004 13:14:56 -0400 |
Index: emacs/lisp/gnus/gnus-art.el
diff -c /dev/null emacs/lisp/gnus/gnus-art.el:1.49.2.1
*** /dev/null Thu Jul 22 16:46:11 2004
--- emacs/lisp/gnus/gnus-art.el Thu Jul 22 16:45:46 2004
***************
*** 0 ****
--- 1,7128 ----
+ ;;; gnus-art.el --- article mode commands for Gnus
+ ;; Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003
+ ;; Free Software Foundation, Inc.
+
+ ;; Author: Lars Magne Ingebrigtsen <address@hidden>
+ ;; Keywords: news
+
+ ;; This file is part of GNU Emacs.
+
+ ;; GNU Emacs is free software; you can redistribute it and/or modify
+ ;; it under the terms of the GNU General Public License as published by
+ ;; the Free Software Foundation; either version 2, or (at your option)
+ ;; any later version.
+
+ ;; GNU Emacs is distributed in the hope that it will be useful,
+ ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
+ ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ ;; GNU General Public License for more details.
+
+ ;; You should have received a copy of the GNU General Public License
+ ;; along with GNU Emacs; see the file COPYING. If not, write to the
+ ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ ;; Boston, MA 02111-1307, USA.
+
+ ;;; Commentary:
+
+ ;;; Code:
+
+ (eval-when-compile
+ (require 'cl)
+ (defvar tool-bar-map))
+
+ (require 'gnus)
+ (require 'gnus-sum)
+ (require 'gnus-spec)
+ (require 'gnus-int)
+ (require 'gnus-win)
+ (require 'mm-bodies)
+ (require 'mail-parse)
+ (require 'mm-decode)
+ (require 'mm-view)
+ (require 'wid-edit)
+ (require 'mm-uu)
+ (require 'message)
+
+ (autoload 'gnus-msg-mail "gnus-msg" nil t)
+ (autoload 'gnus-button-mailto "gnus-msg")
+ (autoload 'gnus-button-reply "gnus-msg" nil t)
+
+ (defgroup gnus-article nil
+ "Article display."
+ :link '(custom-manual "(gnus)The Article Buffer")
+ :group 'gnus)
+
+ (defgroup gnus-article-treat nil
+ "Treating article parts."
+ :link '(custom-manual "(gnus)Article Hiding")
+ :group 'gnus-article)
+
+ (defgroup gnus-article-hiding nil
+ "Hiding article parts."
+ :link '(custom-manual "(gnus)Article Hiding")
+ :group 'gnus-article)
+
+ (defgroup gnus-article-highlight nil
+ "Article highlighting."
+ :link '(custom-manual "(gnus)Article Highlighting")
+ :group 'gnus-article
+ :group 'gnus-visual)
+
+ (defgroup gnus-article-signature nil
+ "Article signatures."
+ :link '(custom-manual "(gnus)Article Signature")
+ :group 'gnus-article)
+
+ (defgroup gnus-article-headers nil
+ "Article headers."
+ :link '(custom-manual "(gnus)Hiding Headers")
+ :group 'gnus-article)
+
+ (defgroup gnus-article-washing nil
+ "Special commands on articles."
+ :link '(custom-manual "(gnus)Article Washing")
+ :group 'gnus-article)
+
+ (defgroup gnus-article-emphasis nil
+ "Fontisizing articles."
+ :link '(custom-manual "(gnus)Article Fontisizing")
+ :group 'gnus-article)
+
+ (defgroup gnus-article-saving nil
+ "Saving articles."
+ :link '(custom-manual "(gnus)Saving Articles")
+ :group 'gnus-article)
+
+ (defgroup gnus-article-mime nil
+ "Worshiping the MIME wonder."
+ :link '(custom-manual "(gnus)Using MIME")
+ :group 'gnus-article)
+
+ (defgroup gnus-article-buttons nil
+ "Pushable buttons in the article buffer."
+ :link '(custom-manual "(gnus)Article Buttons")
+ :group 'gnus-article)
+
+ (defgroup gnus-article-various nil
+ "Other article options."
+ :link '(custom-manual "(gnus)Misc Article")
+ :group 'gnus-article)
+
+ (defcustom gnus-ignored-headers
+ (mapcar
+ (lambda (header)
+ (concat "^" header ":"))
+ '("Path" "Expires" "Date-Received" "References" "Xref" "Lines"
+ "Relay-Version" "Message-ID" "Approved" "Sender" "Received"
+ "X-UIDL" "MIME-Version" "Return-Path" "In-Reply-To"
+ "Content-Type" "Content-Transfer-Encoding" "X-WebTV-Signature"
+ "X-MimeOLE" "X-MSMail-Priority" "X-Priority" "X-Loop"
+ "X-Authentication-Warning" "X-MIME-Autoconverted" "X-Face"
+ "X-Attribution" "X-Originating-IP" "Delivered-To"
+ "NNTP-[-A-Za-z]+" "Distribution" "X-no-archive" "X-Trace"
+ "X-Complaints-To" "X-NNTP-Posting-Host" "X-Orig.*"
+ "Abuse-Reports-To" "Cache-Post-Path" "X-Article-Creation-Date"
+ "X-Poster" "X-Mail2News-Path" "X-Server-Date" "X-Cache"
+ "Originator" "X-Problems-To" "X-Auth-User" "X-Post-Time"
+ "X-Admin" "X-UID" "Resent-[-A-Za-z]+" "X-Mailing-List"
+ "Precedence" "Original-[-A-Za-z]+" "X-filename" "X-Orcpt"
+ "Old-Received" "X-Pgp" "X-Auth" "X-From-Line"
+ "X-Gnus-Article-Number" "X-Majordomo" "X-Url" "X-Sender"
+ "MBOX-Line" "Priority" "X400-[-A-Za-z]+"
+ "Status" "X-Gnus-Mail-Source" "Cancel-Lock"
+ "X-FTN" "X-EXP32-SerialNo" "Encoding" "Importance"
+ "Autoforwarded" "Original-Encoded-Information-Types" "X-Ya-Pop3"
+ "X-Face-Version" "X-Vms-To" "X-ML-NAME" "X-ML-COUNT"
+ "Mailing-List" "X-finfo" "X-md5sum" "X-md5sum-Origin"
+ "X-Sun-Charset" "X-Accept-Language" "X-Envelope-Sender"
+ "List-[A-Za-z]+" "X-Listprocessor-Version"
+ "X-Received" "X-Distribute" "X-Sequence" "X-Juno-Line-Breaks"
+ "X-Notes-Item" "X-MS-TNEF-Correlator" "x-uunet-gateway"
+ "X-Received" "Content-length" "X-precedence"
+ "X-Authenticated-User" "X-Comment" "X-Report" "X-Abuse-Info"
+ "X-HTTP-Proxy" "X-Mydeja-Info" "X-Copyright" "X-No-Markup"
+ "X-Abuse-Info" "X-From_" "X-Accept-Language" "Errors-To"
+ "X-BeenThere" "X-Mailman-Version" "List-Help" "List-Post"
+ "List-Subscribe" "List-Id" "List-Unsubscribe" "List-Archive"
+ "X-Content-length" "X-Posting-Agent" "Original-Received"
+ "X-Request-PGP" "X-Fingerprint" "X-WRIEnvto" "X-WRIEnvfrom"
+ "X-Virus-Scanned" "X-Delivery-Agent" "Posted-Date" "X-Gateway"
+ "X-Local-Origin" "X-Local-Destination" "X-UserInfo1"
+ "X-Received-Date" "X-Hashcash" "Face" "X-DMCA-Notifications"
+ "X-Abuse-and-DMCA-Info" "X-Postfilter" "X-Gpg-.*" "X-Disclaimer"))
+ "*All headers that start with this regexp will be hidden.
+ This variable can also be a list of regexps of headers to be ignored.
+ If `gnus-visible-headers' is non-nil, this variable will be ignored."
+ :type '(choice :custom-show nil
+ regexp
+ (repeat regexp))
+ :group 'gnus-article-hiding)
+
+ (defcustom gnus-visible-headers
+
"^From:\\|^Newsgroups:\\|^Subject:\\|^Date:\\|^Followup-To:\\|^Reply-To:\\|^Organization:\\|^Summary:\\|^Keywords:\\|^To:\\|^[BGF]?Cc:\\|^Posted-To:\\|^Mail-Copies-To:\\|^Mail-Followup-To:\\|^Apparently-To:\\|^Gnus-Warning:\\|^Resent-From:\\|^X-Sent:"
+ "*All headers that do not match this regexp will be hidden.
+ This variable can also be a list of regexp of headers to remain visible.
+ If this variable is non-nil, `gnus-ignored-headers' will be ignored."
+ :type '(repeat :value-to-internal (lambda (widget value)
+ (custom-split-regexp-maybe value))
+ :match (lambda (widget value)
+ (or (stringp value)
+ (widget-editable-list-match widget value)))
+ regexp)
+ :group 'gnus-article-hiding)
+
+ (defcustom gnus-sorted-header-list
+ '("^From:" "^Subject:" "^Summary:" "^Keywords:" "^Newsgroups:"
+ "^Followup-To:" "^To:" "^Cc:" "^Date:" "^Organization:")
+ "*This variable is a list of regular expressions.
+ If it is non-nil, headers that match the regular expressions will
+ be placed first in the article buffer in the sequence specified by
+ this list."
+ :type '(repeat regexp)
+ :group 'gnus-article-hiding)
+
+ (defcustom gnus-boring-article-headers '(empty followup-to reply-to)
+ "Headers that are only to be displayed if they have interesting data.
+ Possible values in this list are:
+
+ 'empty Headers with no content.
+ 'newsgroups Newsgroup identical to Gnus group.
+ 'to-address To identical to To-address.
+ 'to-list To identical to To-list.
+ 'cc-list CC identical to To-list.
+ 'followup-to Followup-to identical to Newsgroups.
+ 'reply-to Reply-to identical to From.
+ 'date Date less than four days old.
+ 'long-to To and/or Cc longer than 1024 characters.
+ 'many-to Multiple To and/or Cc."
+ :type '(set (const :tag "Headers with no content." empty)
+ (const :tag "Newsgroups identical to Gnus group." newsgroups)
+ (const :tag "To identical to To-address." to-address)
+ (const :tag "To identical to To-list." to-list)
+ (const :tag "CC identical to To-list." cc-list)
+ (const :tag "Followup-to identical to Newsgroups." followup-to)
+ (const :tag "Reply-to identical to From." reply-to)
+ (const :tag "Date less than four days old." date)
+ (const :tag "To and/or Cc longer than 1024 characters." long-to)
+ (const :tag "Multiple To and/or Cc headers." many-to))
+ :group 'gnus-article-hiding)
+
+ (defcustom gnus-article-skip-boring nil
+ "Skip over text that is not worth reading.
+ By default, if you set this t, then Gnus will display citations and
+ signatures, but will never scroll down to show you a page consisting
+ only of boring text. Boring text is controlled by
+ `gnus-article-boring-faces'."
+ :type 'boolean
+ :group 'gnus-article-hiding)
+
+ (defcustom gnus-signature-separator '("^-- $" "^-- *$")
+ "Regexp matching signature separator.
+ This can also be a list of regexps. In that case, it will be checked
+ from head to tail looking for a separator. Searches will be done from
+ the end of the buffer."
+ :type '(repeat string)
+ :group 'gnus-article-signature)
+
+ (defcustom gnus-signature-limit nil
+ "Provide a limit to what is considered a signature.
+ If it is a number, no signature may not be longer (in characters) than
+ that number. If it is a floating point number, no signature may be
+ longer (in lines) than that number. If it is a function, the function
+ will be called without any parameters, and if it returns nil, there is
+ no signature in the buffer. If it is a string, it will be used as a
+ regexp. If it matches, the text in question is not a signature."
+ :type '(choice (integer :value 200)
+ (number :value 4.0)
+ (function :value fun)
+ (regexp :value ".*"))
+ :group 'gnus-article-signature)
+
+ (defcustom gnus-hidden-properties '(invisible t intangible t)
+ "Property list to use for hiding text."
+ :type 'sexp
+ :group 'gnus-article-hiding)
+
+ ;; Fixme: This isn't the right thing for mixed graphical and non-graphical
+ ;; frames in a session.
+ (defcustom gnus-article-x-face-command
+ (if (featurep 'xemacs)
+ (if (or (gnus-image-type-available-p 'xface)
+ (gnus-image-type-available-p 'pbm))
+ 'gnus-display-x-face-in-from
+ "{ echo '/* Width=48, Height=48 */'; uncompface; } | icontopbm | ee -")
+ (if (gnus-image-type-available-p 'pbm)
+ 'gnus-display-x-face-in-from
+ "{ echo '/* Width=48, Height=48 */'; uncompface; } | icontopbm | \
+ display -"))
+ "*String or function to be executed to display an X-Face header.
+ If it is a string, the command will be executed in a sub-shell
+ asynchronously. The compressed face will be piped to this command."
+ :type `(choice string
+ (function-item gnus-display-x-face-in-from)
+ function)
+ :version "21.1"
+ :group 'gnus-picon
+ :group 'gnus-article-washing)
+
+ (defcustom gnus-article-x-face-too-ugly nil
+ "Regexp matching posters whose face shouldn't be shown automatically."
+ :type '(choice regexp (const nil))
+ :group 'gnus-article-washing)
+
+ (defcustom gnus-article-banner-alist nil
+ "Banner alist for stripping.
+ For example,
+ ((egroups . \"^[ \\t\\n]*-------------------+\\\\( \\\\(e\\\\|Yahoo!
\\\\)Groups Sponsor -+\\\\)?....\\n\\\\(.+\\n\\\\)+\"))"
+ :version "21.1"
+ :type '(repeat (cons symbol regexp))
+ :group 'gnus-article-washing)
+
+ (gnus-define-group-parameter
+ banner
+ :variable-document
+ "Alist of regexps (to match group names) and banner."
+ :variable-group gnus-article-washing
+ :parameter-type
+ '(choice :tag "Banner"
+ :value nil
+ (const :tag "Remove signature" signature)
+ (symbol :tag "Item in `gnus-article-banner-alist'" none)
+ regexp
+ (const :tag "None" nil))
+ :parameter-document
+ "If non-nil, specify how to remove `banners' from articles.
+
+ Symbol `signature' means to remove signatures delimited by
+ `gnus-signature-separator'. Any other symbol is used to look up a
+ regular expression to match the banner in `gnus-article-banner-alist'.
+ A string is used as a regular expression to match the banner
+ directly.")
+
+ (defcustom gnus-article-address-banner-alist nil
+ "Alist of mail addresses and banners.
+ Each element has the form (ADDRESS . BANNER), where ADDRESS is a regexp
+ to match a mail address in the From: header, BANNER is one of a symbol
+ `signature', an item in `gnus-article-banner-alist', a regexp and nil.
+ If ADDRESS matches author's mail address, it will remove things like
+ advertisements. For example:
+
+ \((\"@yoo-hoo\\\\.co\\\\.jp\\\\'\" . \"\\n_+\\nDo You
Yoo-hoo!\\\\?\\n.*\\n.*\\n\"))
+ "
+ :type '(repeat
+ (cons
+ (regexp :tag "Address")
+ (choice :tag "Banner" :value nil
+ (const :tag "Remove signature" signature)
+ (symbol :tag "Item in `gnus-article-banner-alist'" none)
+ regexp
+ (const :tag "None" nil))))
+ :group 'gnus-article-washing)
+
+ (defcustom gnus-emphasis-alist
+ (let ((format
+
"\\(\\s-\\|^\\|\\=\\|[-\"]\\|\\s(\\)\\(%s\\(\\w+\\(\\s-+\\w+\\)*[.,]?\\)%s\\)\\(\\([-,.;:!?\"]\\|\\s)\\)+\\s-\\|[?!.]\\s-\\|\\s)\\|\\s-\\)")
+ (types
+ '(("\\*" "\\*" bold)
+ ("_" "_" underline)
+ ("/" "/" italic)
+ ("_/" "/_" underline-italic)
+ ("_\\*" "\\*_" underline-bold)
+ ("\\*/" "/\\*" bold-italic)
+ ("_\\*/" "/\\*_" underline-bold-italic))))
+ `(,@(mapcar
+ (lambda (spec)
+ (list
+ (format format (car spec) (cadr spec))
+ 2 3 (intern (format "gnus-emphasis-%s" (nth 2 spec)))))
+ types)
+ ("\\(\\s-\\|^\\)\\(-\\(\\(\\w\\|-[^-]\\)+\\)-\\)\\(\\s-\\|[?!.,;]\\)"
+ 2 3 gnus-emphasis-strikethru)
+ ("\\(\\s-\\|^\\)\\(_\\(\\(\\w\\|_[^_]\\)+\\)_\\)\\(\\s-\\|[?!.,;]\\)"
+ 2 3 gnus-emphasis-underline)))
+ "*Alist that says how to fontify certain phrases.
+ Each item looks like this:
+
+ (\"_\\\\(\\\\w+\\\\)_\" 0 1 'underline)
+
+ The first element is a regular expression to be matched. The second
+ is a number that says what regular expression grouping used to find
+ the entire emphasized word. The third is a number that says what
+ regexp grouping should be displayed and highlighted. The fourth
+ is the face used for highlighting."
+ :type '(repeat (list :value ("" 0 0 default)
+ regexp
+ (integer :tag "Match group")
+ (integer :tag "Emphasize group")
+ face))
+ :group 'gnus-article-emphasis)
+
+ (defcustom gnus-emphasize-whitespace-regexp "^[ \t]+\\|[ \t]*\n"
+ "A regexp to describe whitespace which should not be emphasized.
+ Typical values are \"^[ \\t]+\\\\|[ \\t]*\\n\" and \"[ \\t]+\\\\|[ \\t]*\\n\".
+ The former avoids underlining of leading and trailing whitespace,
+ and the latter avoids underlining any whitespace at all."
+ :version "21.1"
+ :group 'gnus-article-emphasis
+ :type 'regexp)
+
+ (defface gnus-emphasis-bold '((t (:bold t)))
+ "Face used for displaying strong emphasized text (*word*)."
+ :group 'gnus-article-emphasis)
+
+ (defface gnus-emphasis-italic '((t (:italic t)))
+ "Face used for displaying italic emphasized text (/word/)."
+ :group 'gnus-article-emphasis)
+
+ (defface gnus-emphasis-underline '((t (:underline t)))
+ "Face used for displaying underlined emphasized text (_word_)."
+ :group 'gnus-article-emphasis)
+
+ (defface gnus-emphasis-underline-bold '((t (:bold t :underline t)))
+ "Face used for displaying underlined bold emphasized text (_*word*_)."
+ :group 'gnus-article-emphasis)
+
+ (defface gnus-emphasis-underline-italic '((t (:italic t :underline t)))
+ "Face used for displaying underlined italic emphasized text (_/word/_)."
+ :group 'gnus-article-emphasis)
+
+ (defface gnus-emphasis-bold-italic '((t (:bold t :italic t)))
+ "Face used for displaying bold italic emphasized text (/*word*/)."
+ :group 'gnus-article-emphasis)
+
+ (defface gnus-emphasis-underline-bold-italic
+ '((t (:bold t :italic t :underline t)))
+ "Face used for displaying underlined bold italic emphasized text.
+ Example: (_/*word*/_)."
+ :group 'gnus-article-emphasis)
+
+ (defface gnus-emphasis-strikethru (if (featurep 'xemacs)
+ '((t (:strikethru t)))
+ '((t (:strike-through t))))
+ "Face used for displaying strike-through text (-word-)."
+ :group 'gnus-article-emphasis)
+
+ (defface gnus-emphasis-highlight-words
+ '((t (:background "black" :foreground "yellow")))
+ "Face used for displaying highlighted words."
+ :group 'gnus-article-emphasis)
+
+ (defcustom gnus-article-time-format "%a, %b %d %Y %T %Z"
+ "Format for display of Date headers in article bodies.
+ See `format-time-string' for the possible values.
+
+ The variable can also be function, which should return a complete Date
+ header. The function is called with one argument, the time, which can
+ be fed to `format-time-string'."
+ :type '(choice string symbol)
+ :link '(custom-manual "(gnus)Article Date")
+ :group 'gnus-article-washing)
+
+ (eval-and-compile
+ (autoload 'mail-extract-address-components "mail-extr"))
+
+ (defcustom gnus-save-all-headers t
+ "*If non-nil, don't remove any headers before saving."
+ :group 'gnus-article-saving
+ :type 'boolean)
+
+ (defcustom gnus-prompt-before-saving 'always
+ "*This variable says how much prompting is to be done when saving articles.
+ If it is nil, no prompting will be done, and the articles will be
+ saved to the default files. If this variable is `always', each and
+ every article that is saved will be preceded by a prompt, even when
+ saving large batches of articles. If this variable is neither nil not
+ `always', there the user will be prompted once for a file name for
+ each invocation of the saving commands."
+ :group 'gnus-article-saving
+ :type '(choice (item always)
+ (item :tag "never" nil)
+ (sexp :tag "once" :format "%t\n" :value t)))
+
+ (defcustom gnus-saved-headers gnus-visible-headers
+ "Headers to keep if `gnus-save-all-headers' is nil.
+ If `gnus-save-all-headers' is non-nil, this variable will be ignored.
+ If that variable is nil, however, all headers that match this regexp
+ will be kept while the rest will be deleted before saving."
+ :group 'gnus-article-saving
+ :type 'regexp)
+
+ (defcustom gnus-default-article-saver 'gnus-summary-save-in-rmail
+ "A function to save articles in your favourite format.
+ The function must be interactively callable (in other words, it must
+ be an Emacs command).
+
+ Gnus provides the following functions:
+
+ * gnus-summary-save-in-rmail (Rmail format)
+ * gnus-summary-save-in-mail (Unix mail format)
+ * gnus-summary-save-in-folder (MH folder)
+ * gnus-summary-save-in-file (article format)
+ * gnus-summary-save-body-in-file (article body)
+ * gnus-summary-save-in-vm (use VM's folder format)
+ * gnus-summary-write-to-file (article format -- overwrite)."
+ :group 'gnus-article-saving
+ :type '(radio (function-item gnus-summary-save-in-rmail)
+ (function-item gnus-summary-save-in-mail)
+ (function-item gnus-summary-save-in-folder)
+ (function-item gnus-summary-save-in-file)
+ (function-item gnus-summary-save-body-in-file)
+ (function-item gnus-summary-save-in-vm)
+ (function-item gnus-summary-write-to-file)))
+
+ (defcustom gnus-rmail-save-name 'gnus-plain-save-name
+ "A function generating a file name to save articles in Rmail format.
+ The function is called with NEWSGROUP, HEADERS, and optional LAST-FILE."
+ :group 'gnus-article-saving
+ :type 'function)
+
+ (defcustom gnus-mail-save-name 'gnus-plain-save-name
+ "A function generating a file name to save articles in Unix mail format.
+ The function is called with NEWSGROUP, HEADERS, and optional LAST-FILE."
+ :group 'gnus-article-saving
+ :type 'function)
+
+ (defcustom gnus-folder-save-name 'gnus-folder-save-name
+ "A function generating a file name to save articles in MH folder.
+ The function is called with NEWSGROUP, HEADERS, and optional LAST-FOLDER."
+ :group 'gnus-article-saving
+ :type 'function)
+
+ (defcustom gnus-file-save-name 'gnus-numeric-save-name
+ "A function generating a file name to save articles in article format.
+ The function is called with NEWSGROUP, HEADERS, and optional
+ LAST-FILE."
+ :group 'gnus-article-saving
+ :type 'function)
+
+ (defcustom gnus-split-methods
+ '((gnus-article-archive-name)
+ (gnus-article-nndoc-name))
+ "*Variable used to suggest where articles are to be saved.
+ For instance, if you would like to save articles related to Gnus in
+ the file \"gnus-stuff\", and articles related to VM in \"vm-stuff\",
+ you could set this variable to something like:
+
+ '((\"^Subject:.*gnus\\|^Newsgroups:.*gnus\" \"gnus-stuff\")
+ (\"^Subject:.*vm\\|^Xref:.*vm\" \"vm-stuff\"))
+
+ This variable is an alist where the where the key is the match and the
+ value is a list of possible files to save in if the match is non-nil.
+
+ If the match is a string, it is used as a regexp match on the
+ article. If the match is a symbol, that symbol will be funcalled
+ from the buffer of the article to be saved with the newsgroup as the
+ parameter. If it is a list, it will be evaled in the same buffer.
+
+ If this form or function returns a string, this string will be used as
+ a possible file name; and if it returns a non-nil list, that list will
+ be used as possible file names."
+ :group 'gnus-article-saving
+ :type '(repeat (choice (list :value (fun) function)
+ (cons :value ("" "") regexp (repeat string))
+ (sexp :value nil))))
+
+ (defcustom gnus-page-delimiter "^\^L"
+ "*Regexp describing what to use as article page delimiters.
+ The default value is \"^\^L\", which is a form linefeed at the
+ beginning of a line."
+ :type 'regexp
+ :group 'gnus-article-various)
+
+ (defcustom gnus-article-mode-line-format "Gnus: %g [%w] %S%m"
+ "*The format specification for the article mode line.
+ See `gnus-summary-mode-line-format' for a closer description.
+
+ The following additional specs are available:
+
+ %w The article washing status.
+ %m The number of MIME parts in the article."
+ :type 'string
+ :group 'gnus-article-various)
+
+ (defcustom gnus-article-mode-hook nil
+ "*A hook for Gnus article mode."
+ :type 'hook
+ :group 'gnus-article-various)
+
+ (when (featurep 'xemacs)
+ ;; Extracted from gnus-xmas-define in order to preserve user settings
+ (when (fboundp 'turn-off-scroll-in-place)
+ (add-hook 'gnus-article-mode-hook 'turn-off-scroll-in-place))
+ ;; Extracted from gnus-xmas-redefine in order to preserve user settings
+ (add-hook 'gnus-article-mode-hook 'gnus-xmas-article-menu-add))
+
+ (defcustom gnus-article-menu-hook nil
+ "*Hook run after the creation of the article mode menu."
+ :type 'hook
+ :group 'gnus-article-various)
+
+ (defcustom gnus-article-prepare-hook nil
+ "*A hook called after an article has been prepared in the article buffer."
+ :type 'hook
+ :group 'gnus-article-various)
+
+ (make-obsolete-variable 'gnus-article-hide-pgp-hook
+ "This variable is obsolete in Gnus 5.10.")
+
+ (defcustom gnus-article-button-face 'bold
+ "Face used for highlighting buttons in the article buffer.
+
+ An article button is a piece of text that you can activate by pressing
+ `RET' or `mouse-2' above it."
+ :type 'face
+ :group 'gnus-article-buttons)
+
+ (defcustom gnus-article-mouse-face 'highlight
+ "Face used for mouse highlighting in the article buffer.
+
+ Article buttons will be displayed in this face when the cursor is
+ above them."
+ :type 'face
+ :group 'gnus-article-buttons)
+
+ (defcustom gnus-signature-face 'gnus-signature-face
+ "Face used for highlighting a signature in the article buffer.
+ Obsolete; use the face `gnus-signature-face' for customizations instead."
+ :type 'face
+ :group 'gnus-article-highlight
+ :group 'gnus-article-signature)
+
+ (defface gnus-signature-face
+ '((t
+ (:italic t)))
+ "Face used for highlighting a signature in the article buffer."
+ :group 'gnus-article-highlight
+ :group 'gnus-article-signature)
+
+ (defface gnus-header-from-face
+ '((((class color)
+ (background dark))
+ (:foreground "spring green"))
+ (((class color)
+ (background light))
+ (:foreground "red3"))
+ (t
+ (:italic t)))
+ "Face used for displaying from headers."
+ :group 'gnus-article-headers
+ :group 'gnus-article-highlight)
+
+ (defface gnus-header-subject-face
+ '((((class color)
+ (background dark))
+ (:foreground "SeaGreen3"))
+ (((class color)
+ (background light))
+ (:foreground "red4"))
+ (t
+ (:bold t :italic t)))
+ "Face used for displaying subject headers."
+ :group 'gnus-article-headers
+ :group 'gnus-article-highlight)
+
+ (defface gnus-header-newsgroups-face
+ '((((class color)
+ (background dark))
+ (:foreground "yellow" :italic t))
+ (((class color)
+ (background light))
+ (:foreground "MidnightBlue" :italic t))
+ (t
+ (:italic t)))
+ "Face used for displaying newsgroups headers.
+ In the default setup this face is only used for crossposted
+ articles."
+ :group 'gnus-article-headers
+ :group 'gnus-article-highlight)
+
+ (defface gnus-header-name-face
+ '((((class color)
+ (background dark))
+ (:foreground "SeaGreen"))
+ (((class color)
+ (background light))
+ (:foreground "maroon"))
+ (t
+ (:bold t)))
+ "Face used for displaying header names."
+ :group 'gnus-article-headers
+ :group 'gnus-article-highlight)
+
+ (defface gnus-header-content-face
+ '((((class color)
+ (background dark))
+ (:foreground "forest green" :italic t))
+ (((class color)
+ (background light))
+ (:foreground "indianred4" :italic t))
+ (t
+ (:italic t))) "Face used for displaying header content."
+ :group 'gnus-article-headers
+ :group 'gnus-article-highlight)
+
+ (defcustom gnus-header-face-alist
+ '(("From" nil gnus-header-from-face)
+ ("Subject" nil gnus-header-subject-face)
+ ("Newsgroups:.*," nil gnus-header-newsgroups-face)
+ ("" gnus-header-name-face gnus-header-content-face))
+ "*Controls highlighting of article headers.
+
+ An alist of the form (HEADER NAME CONTENT).
+
+ HEADER is a regular expression which should match the name of a
+ header and NAME and CONTENT are either face names or nil.
+
+ The name of each header field will be displayed using the face
+ specified by the first element in the list where HEADER matches
+ the header name and NAME is non-nil. Similarly, the content will
+ be displayed by the first non-nil matching CONTENT face."
+ :group 'gnus-article-headers
+ :group 'gnus-article-highlight
+ :type '(repeat (list (regexp :tag "Header")
+ (choice :tag "Name"
+ (item :tag "skip" nil)
+ (face :value default))
+ (choice :tag "Content"
+ (item :tag "skip" nil)
+ (face :value default)))))
+
+ (defcustom gnus-article-decode-hook
+ '(article-decode-charset article-decode-encoded-words
+ article-decode-group-name article-decode-idna-rhs)
+ "*Hook run to decode charsets in articles."
+ :group 'gnus-article-headers
+ :type 'hook)
+
+ (defcustom gnus-display-mime-function 'gnus-display-mime
+ "Function to display MIME articles."
+ :group 'gnus-article-mime
+ :type 'function)
+
+ (defvar gnus-decode-header-function 'mail-decode-encoded-word-region
+ "Function used to decode headers.")
+
+ (defvar gnus-article-dumbquotes-map
+ '(("\200" "EUR")
+ ("\202" ",")
+ ("\203" "f")
+ ("\204" ",,")
+ ("\205" "...")
+ ("\213" "<")
+ ("\214" "OE")
+ ("\221" "`")
+ ("\222" "'")
+ ("\223" "``")
+ ("\224" "\"")
+ ("\225" "*")
+ ("\226" "-")
+ ("\227" "--")
+ ("\230" "~")
+ ("\231" "(TM)")
+ ("\233" ">")
+ ("\234" "oe")
+ ("\264" "'"))
+ "Table for MS-to-Latin1 translation.")
+
+ (defcustom gnus-ignored-mime-types nil
+ "List of MIME types that should be ignored by Gnus."
+ :version "21.1"
+ :group 'gnus-article-mime
+ :type '(repeat regexp))
+
+ (defcustom gnus-unbuttonized-mime-types '(".*/.*")
+ "List of MIME types that should not be given buttons when rendered inline.
+ See also `gnus-buttonized-mime-types' which may override this variable.
+ This variable is only used when `gnus-inhibit-mime-unbuttonizing' is nil."
+ :version "21.1"
+ :group 'gnus-article-mime
+ :type '(repeat regexp))
+
+ (defcustom gnus-buttonized-mime-types nil
+ "List of MIME types that should be given buttons when rendered inline.
+ If set, this variable overrides `gnus-unbuttonized-mime-types'.
+ To see e.g. security buttons you could set this to
+ `(\"multipart/signed\")'.
+ This variable is only used when `gnus-inhibit-mime-unbuttonizing' is nil."
+ :version "21.1"
+ :group 'gnus-article-mime
+ :type '(repeat regexp))
+
+ (defcustom gnus-inhibit-mime-unbuttonizing nil
+ "If non-nil, all MIME parts get buttons.
+ When nil (the default value), then some MIME parts do not get buttons,
+ as described by the variables `gnus-buttonized-mime-types' and
+ `gnus-unbuttonized-mime-types'."
+ :version "21.3"
+ :type 'boolean)
+
+ (defcustom gnus-body-boundary-delimiter "_"
+ "String used to delimit header and body.
+ This variable is used by `gnus-article-treat-body-boundary' which can
+ be controlled by `gnus-treat-body-boundary'."
+ :group 'gnus-article-various
+ :type '(choice (item :tag "None" :value nil)
+ string))
+
+ (defcustom gnus-picon-databases '("/usr/lib/picon" "/usr/local/faces")
+ "Defines the location of the faces database.
+ For information on obtaining this database of pretty pictures, please
+ see http://www.cs.indiana.edu/picons/ftp/index.html";
+ :type '(repeat directory)
+ :link '(url-link :tag "download"
+ "http://www.cs.indiana.edu/picons/ftp/index.html";)
+ :link '(custom-manual "(gnus)Picons")
+ :group 'gnus-picon)
+
+ (defun gnus-picons-installed-p ()
+ "Say whether picons are installed on your machine."
+ (let ((installed nil))
+ (dolist (database gnus-picon-databases)
+ (when (file-exists-p database)
+ (setq installed t)))
+ installed))
+
+ (defcustom gnus-article-mime-part-function nil
+ "Function called with a MIME handle as the argument.
+ This is meant for people who want to do something automatic based
+ on parts -- for instance, adding Vcard info to a database."
+ :group 'gnus-article-mime
+ :type 'function)
+
+ (defcustom gnus-mime-multipart-functions nil
+ "An alist of MIME types to functions to display them."
+ :version "21.1"
+ :group 'gnus-article-mime
+ :type 'alist)
+
+ (defcustom gnus-article-date-lapsed-new-header nil
+ "Whether the X-Sent and Date headers can coexist.
+ When using `gnus-treat-date-lapsed', the \"X-Sent:\" header will
+ either replace the old \"Date:\" header (if this variable is nil), or
+ be added below it (otherwise)."
+ :version "21.1"
+ :group 'gnus-article-headers
+ :type 'boolean)
+
+ (defcustom gnus-article-mime-match-handle-function 'undisplayed-alternative
+ "Function called with a MIME handle as the argument.
+ This is meant for people who want to view first matched part.
+ For `undisplayed-alternative' (default), the first undisplayed
+ part or alternative part is used. For `undisplayed', the first
+ undisplayed part is used. For a function, the first part which
+ the function return t is used. For nil, the first part is
+ used."
+ :version "21.1"
+ :group 'gnus-article-mime
+ :type '(choice
+ (item :tag "first" :value nil)
+ (item :tag "undisplayed" :value undisplayed)
+ (item :tag "undisplayed or alternative"
+ :value undisplayed-alternative)
+ (function)))
+
+ (defcustom gnus-mime-action-alist
+ '(("save to file" . gnus-mime-save-part)
+ ("save and strip" . gnus-mime-save-part-and-strip)
+ ("delete part" . gnus-mime-delete-part)
+ ("display as text" . gnus-mime-inline-part)
+ ("view the part" . gnus-mime-view-part)
+ ("pipe to command" . gnus-mime-pipe-part)
+ ("toggle display" . gnus-article-press-button)
+ ("toggle display" . gnus-article-view-part-as-charset)
+ ("view as type" . gnus-mime-view-part-as-type)
+ ("view internally" . gnus-mime-view-part-internally)
+ ("view externally" . gnus-mime-view-part-externally))
+ "An alist of actions that run on the MIME attachment."
+ :group 'gnus-article-mime
+ :type '(repeat (cons (string :tag "name")
+ (function))))
+
+ ;;;
+ ;;; The treatment variables
+ ;;;
+
+ (defvar gnus-part-display-hook nil
+ "Hook called on parts that are to receive treatment.")
+
+ (defvar gnus-article-treat-custom
+ '(choice (const :tag "Off" nil)
+ (const :tag "On" t)
+ (const :tag "Header" head)
+ (const :tag "Last" last)
+ (integer :tag "Less")
+ (repeat :tag "Groups" regexp)
+ (sexp :tag "Predicate")))
+
+ (defvar gnus-article-treat-head-custom
+ '(choice (const :tag "Off" nil)
+ (const :tag "Header" head)))
+
+ (defvar gnus-article-treat-types '("text/plain")
+ "Parts to treat.")
+
+ (defvar gnus-inhibit-treatment nil
+ "Whether to inhibit treatment.")
+
+ (defcustom gnus-treat-highlight-signature '(or t (typep "text/x-vcard"))
+ "Highlight the signature.
+ Valid values are nil, t, `head', `last', an integer or a predicate.
+ See Info node `(gnus)Customizing Articles'."
+ :group 'gnus-article-treat
+ :link '(custom-manual "(gnus)Customizing Articles")
+ :type gnus-article-treat-custom)
+ (put 'gnus-treat-highlight-signature 'highlight t)
+
+ (defcustom gnus-treat-buttonize 100000
+ "Add buttons.
+ Valid values are nil, t, `head', `last', an integer or a predicate.
+ See Info node `(gnus)Customizing Articles'."
+ :group 'gnus-article-treat
+ :link '(custom-manual "(gnus)Customizing Articles")
+ :type gnus-article-treat-custom)
+ (put 'gnus-treat-buttonize 'highlight t)
+
+ (defcustom gnus-treat-buttonize-head 'head
+ "Add buttons to the head.
+ Valid values are nil, t, `head', `last', an integer or a predicate.
+ See Info node `(gnus)Customizing Articles' for details."
+ :group 'gnus-article-treat
+ :link '(custom-manual "(gnus)Customizing Articles")
+ :type gnus-article-treat-head-custom)
+ (put 'gnus-treat-buttonize-head 'highlight t)
+
+ (defcustom gnus-treat-emphasize
+ (and (or window-system
+ (featurep 'xemacs)
+ (>= (string-to-number emacs-version) 21))
+ 50000)
+ "Emphasize text.
+ Valid values are nil, t, `head', `last', an integer or a predicate.
+ See Info node `(gnus)Customizing Articles' for details."
+ :group 'gnus-article-treat
+ :link '(custom-manual "(gnus)Customizing Articles")
+ :type gnus-article-treat-custom)
+ (put 'gnus-treat-emphasize 'highlight t)
+
+ (defcustom gnus-treat-strip-cr nil
+ "Remove carriage returns.
+ Valid values are nil, t, `head', `last', an integer or a predicate.
+ See Info node `(gnus)Customizing Articles' for details."
+ :group 'gnus-article-treat
+ :link '(custom-manual "(gnus)Customizing Articles")
+ :type gnus-article-treat-custom)
+
+ (defcustom gnus-treat-unsplit-urls nil
+ "Remove newlines from within URLs.
+ Valid values are nil, t, `head', `last', an integer or a predicate.
+ See Info node `(gnus)Customizing Articles' for details."
+ :group 'gnus-article-treat
+ :link '(custom-manual "(gnus)Customizing Articles")
+ :type gnus-article-treat-custom)
+
+ (defcustom gnus-treat-leading-whitespace nil
+ "Remove leading whitespace in headers.
+ Valid values are nil, t, `head', `last', an integer or a predicate.
+ See Info node `(gnus)Customizing Articles' for details."
+ :group 'gnus-article-treat
+ :link '(custom-manual "(gnus)Customizing Articles")
+ :type gnus-article-treat-custom)
+
+ (defcustom gnus-treat-hide-headers 'head
+ "Hide headers.
+ Valid values are nil, t, `head', `last', an integer or a predicate.
+ See Info node `(gnus)Customizing Articles' for details."
+ :group 'gnus-article-treat
+ :link '(custom-manual "(gnus)Customizing Articles")
+ :type gnus-article-treat-head-custom)
+
+ (defcustom gnus-treat-hide-boring-headers nil
+ "Hide boring headers.
+ Valid values are nil, t, `head', `last', an integer or a predicate.
+ See Info node `(gnus)Customizing Articles' for details."
+ :group 'gnus-article-treat
+ :link '(custom-manual "(gnus)Customizing Articles")
+ :type gnus-article-treat-head-custom)
+
+ (defcustom gnus-treat-hide-signature nil
+ "Hide the signature.
+ Valid values are nil, t, `head', `last', an integer or a predicate.
+ See Info node `(gnus)Customizing Articles' for details."
+ :group 'gnus-article-treat
+ :link '(custom-manual "(gnus)Customizing Articles")
+ :type gnus-article-treat-custom)
+
+ (defcustom gnus-treat-fill-article nil
+ "Fill the article.
+ Valid values are nil, t, `head', `last', an integer or a predicate.
+ See Info node `(gnus)Customizing Articles' for details."
+ :group 'gnus-article-treat
+ :link '(custom-manual "(gnus)Customizing Articles")
+ :type gnus-article-treat-custom)
+
+ (defcustom gnus-treat-hide-citation nil
+ "Hide cited text.
+ Valid values are nil, t, `head', `last', an integer or a predicate.
+ See Info node `(gnus)Customizing Articles' for details."
+ :group 'gnus-article-treat
+ :link '(custom-manual "(gnus)Customizing Articles")
+ :type gnus-article-treat-custom)
+
+ (defcustom gnus-treat-hide-citation-maybe nil
+ "Hide cited text.
+ Valid values are nil, t, `head', `last', an integer or a predicate.
+ See Info node `(gnus)Customizing Articles' for details."
+ :group 'gnus-article-treat
+ :link '(custom-manual "(gnus)Customizing Articles")
+ :type gnus-article-treat-custom)
+
+ (defcustom gnus-treat-strip-list-identifiers 'head
+ "Strip list identifiers from `gnus-list-identifiers`.
+ Valid values are nil, t, `head', `last', an integer or a predicate.
+ See Info node `(gnus)Customizing Articles' for details."
+ :version "21.1"
+ :group 'gnus-article-treat
+ :link '(custom-manual "(gnus)Customizing Articles")
+ :type gnus-article-treat-custom)
+
+ (make-obsolete-variable 'gnus-treat-strip-pgp
+ "This option is obsolete in Gnus 5.10.")
+
+ (defcustom gnus-treat-strip-pem nil
+ "Strip PEM signatures.
+ Valid values are nil, t, `head', `last', an integer or a predicate.
+ See Info node `(gnus)Customizing Articles' for details."
+ :group 'gnus-article-treat
+ :link '(custom-manual "(gnus)Customizing Articles")
+ :type gnus-article-treat-custom)
+
+ (defcustom gnus-treat-strip-banner t
+ "Strip banners from articles.
+ The banner to be stripped is specified in the `banner' group parameter.
+ Valid values are nil, t, `head', `last', an integer or a predicate.
+ See Info node `(gnus)Customizing Articles' for details."
+ :group 'gnus-article-treat
+ :link '(custom-manual "(gnus)Customizing Articles")
+ :type gnus-article-treat-custom)
+
+ (defcustom gnus-treat-highlight-headers 'head
+ "Highlight the headers.
+ Valid values are nil, t, `head', `last', an integer or a predicate.
+ See Info node `(gnus)Customizing Articles' for details."
+ :group 'gnus-article-treat
+ :link '(custom-manual "(gnus)Customizing Articles")
+ :type gnus-article-treat-head-custom)
+ (put 'gnus-treat-highlight-headers 'highlight t)
+
+ (defcustom gnus-treat-highlight-citation t
+ "Highlight cited text.
+ Valid values are nil, t, `head', `last', an integer or a predicate.
+ See Info node `(gnus)Customizing Articles' for details."
+ :group 'gnus-article-treat
+ :link '(custom-manual "(gnus)Customizing Articles")
+ :type gnus-article-treat-custom)
+ (put 'gnus-treat-highlight-citation 'highlight t)
+
+ (defcustom gnus-treat-date-ut nil
+ "Display the Date in UT (GMT).
+ Valid values are nil, t, `head', `last', an integer or a predicate.
+ See Info node `(gnus)Customizing Articles' for details."
+ :group 'gnus-article-treat
+ :link '(custom-manual "(gnus)Customizing Articles")
+ :type gnus-article-treat-head-custom)
+
+ (defcustom gnus-treat-date-local nil
+ "Display the Date in the local timezone.
+ Valid values are nil, t, `head', `last', an integer or a predicate.
+ See Info node `(gnus)Customizing Articles' for details."
+ :group 'gnus-article-treat
+ :link '(custom-manual "(gnus)Customizing Articles")
+ :type gnus-article-treat-head-custom)
+
+ (defcustom gnus-treat-date-english nil
+ "Display the Date in a format that can be read aloud in English.
+ Valid values are nil, t, `head', `last', an integer or a predicate.
+ See Info node `(gnus)Customizing Articles' for details."
+ :group 'gnus-article-treat
+ :link '(custom-manual "(gnus)Customizing Articles")
+ :type gnus-article-treat-head-custom)
+
+ (defcustom gnus-treat-date-lapsed nil
+ "Display the Date header in a way that says how much time has elapsed.
+ Valid values are nil, t, `head', `last', an integer or a predicate.
+ See Info node `(gnus)Customizing Articles' for details."
+ :group 'gnus-article-treat
+ :link '(custom-manual "(gnus)Customizing Articles")
+ :type gnus-article-treat-head-custom)
+
+ (defcustom gnus-treat-date-original nil
+ "Display the date in the original timezone.
+ Valid values are nil, t, `head', `last', an integer or a predicate.
+ See Info node `(gnus)Customizing Articles' for details."
+ :group 'gnus-article-treat
+ :link '(custom-manual "(gnus)Customizing Articles")
+ :type gnus-article-treat-head-custom)
+
+ (defcustom gnus-treat-date-iso8601 nil
+ "Display the date in the ISO8601 format.
+ Valid values are nil, t, `head', `last', an integer or a predicate.
+ See Info node `(gnus)Customizing Articles' for details."
+ :version "21.1"
+ :group 'gnus-article-treat
+ :link '(custom-manual "(gnus)Customizing Articles")
+ :type gnus-article-treat-head-custom)
+
+ (defcustom gnus-treat-date-user-defined nil
+ "Display the date in a user-defined format.
+ The format is defined by the `gnus-article-time-format' variable.
+ Valid values are nil, t, `head', `last', an integer or a predicate.
+ See Info node `(gnus)Customizing Articles' for details."
+ :group 'gnus-article-treat
+ :link '(custom-manual "(gnus)Customizing Articles")
+ :type gnus-article-treat-head-custom)
+
+ (defcustom gnus-treat-strip-headers-in-body t
+ "Strip the X-No-Archive header line from the beginning of the body.
+ Valid values are nil, t, `head', `last', an integer or a predicate.
+ See Info node `(gnus)Customizing Articles' for details."
+ :version "21.1"
+ :group 'gnus-article-treat
+ :link '(custom-manual "(gnus)Customizing Articles")
+ :type gnus-article-treat-custom)
+
+ (defcustom gnus-treat-strip-trailing-blank-lines nil
+ "Strip trailing blank lines.
+ Valid values are nil, t, `head', `last', an integer or a predicate.
+ See Info node `(gnus)Customizing Articles' for details."
+ :group 'gnus-article-treat
+ :link '(custom-manual "(gnus)Customizing Articles")
+ :type gnus-article-treat-custom)
+
+ (defcustom gnus-treat-strip-leading-blank-lines nil
+ "Strip leading blank lines.
+ Valid values are nil, t, `head', `last', an integer or a predicate.
+ See Info node `(gnus)Customizing Articles' for details."
+ :group 'gnus-article-treat
+ :link '(custom-manual "(gnus)Customizing Articles")
+ :type gnus-article-treat-custom)
+
+ (defcustom gnus-treat-strip-multiple-blank-lines nil
+ "Strip multiple blank lines.
+ Valid values are nil, t, `head', `last', an integer or a predicate.
+ See Info node `(gnus)Customizing Articles' for details."
+ :group 'gnus-article-treat
+ :link '(custom-manual "(gnus)Customizing Articles")
+ :type gnus-article-treat-custom)
+
+ (defcustom gnus-treat-unfold-headers 'head
+ "Unfold folded header lines.
+ Valid values are nil, t, `head', `last', an integer or a predicate.
+ See Info node `(gnus)Customizing Articles' for details."
+ :group 'gnus-article-treat
+ :link '(custom-manual "(gnus)Customizing Articles")
+ :type gnus-article-treat-custom)
+
+ (defcustom gnus-treat-fold-headers nil
+ "Fold headers.
+ Valid values are nil, t, `head', `last', an integer or a predicate.
+ See Info node `(gnus)Customizing Articles' for details."
+ :group 'gnus-article-treat
+ :link '(custom-manual "(gnus)Customizing Articles")
+ :type gnus-article-treat-custom)
+
+ (defcustom gnus-treat-fold-newsgroups 'head
+ "Fold the Newsgroups and Followup-To headers.
+ Valid values are nil, t, `head', `last', an integer or a predicate.
+ See Info node `(gnus)Customizing Articles' for details."
+ :group 'gnus-article-treat
+ :link '(custom-manual "(gnus)Customizing Articles")
+ :type gnus-article-treat-custom)
+
+ (defcustom gnus-treat-overstrike t
+ "Treat overstrike highlighting.
+ Valid values are nil, t, `head', `last', an integer or a predicate.
+ See Info node `(gnus)Customizing Articles' for details."
+ :group 'gnus-article-treat
+ :link '(custom-manual "(gnus)Customizing Articles")
+ :type gnus-article-treat-custom)
+ (put 'gnus-treat-overstrike 'highlight t)
+
+ (make-obsolete-variable 'gnus-treat-display-xface
+ 'gnus-treat-display-x-face)
+
+ (defcustom gnus-treat-display-x-face
+ (and (not noninteractive)
+ (or (and (fboundp 'image-type-available-p)
+ (image-type-available-p 'xbm)
+ (string-match "^0x" (shell-command-to-string "uncompface"))
+ (executable-find "icontopbm"))
+ (and (featurep 'xemacs)
+ (featurep 'xface)))
+ 'head)
+ "Display X-Face headers.
+ Valid values are nil, t, `head', `last', an integer or a predicate.
+ See Info node `(gnus)Customizing Articles' and Info node
+ `(gnus)X-Face' for details."
+ :group 'gnus-article-treat
+ :version "21.1"
+ :link '(custom-manual "(gnus)Customizing Articles")
+ :link '(custom-manual "(gnus)X-Face")
+ :type gnus-article-treat-head-custom
+ :set (lambda (symbol value)
+ (set-default
+ symbol
+ (cond ((or (boundp symbol) (get symbol 'saved-value))
+ value)
+ ((boundp 'gnus-treat-display-xface)
+ (message "\
+ ** gnus-treat-display-xface is an obsolete variable;\
+ use gnus-treat-display-x-face instead")
+ (default-value 'gnus-treat-display-xface))
+ ((get 'gnus-treat-display-xface 'saved-value)
+ (message "\
+ ** gnus-treat-display-xface is an obsolete variable;\
+ use gnus-treat-display-x-face instead")
+ (eval (car (get 'gnus-treat-display-xface 'saved-value))))
+ (t
+ value)))))
+ (put 'gnus-treat-display-x-face 'highlight t)
+
+ (defcustom gnus-treat-display-face
+ (and (not noninteractive)
+ (or (and (fboundp 'image-type-available-p)
+ (image-type-available-p 'png))
+ (and (featurep 'xemacs)
+ (featurep 'png)))
+ 'head)
+ "Display Face headers.
+ Valid values are nil, t, `head', `last', an integer or a predicate.
+ See Info node `(gnus)Customizing Articles' and Info node
+ `(gnus)X-Face' for details."
+ :group 'gnus-article-treat
+ :version "21.1"
+ :link '(custom-manual "(gnus)Customizing Articles")
+ :link '(custom-manual "(gnus)X-Face")
+ :type gnus-article-treat-head-custom)
+ (put 'gnus-treat-display-face 'highlight t)
+
+ (defcustom gnus-treat-display-smileys
+ (if (or (and (featurep 'xemacs)
+ (featurep 'xpm))
+ (and (fboundp 'image-type-available-p)
+ (image-type-available-p 'pbm)))
+ t nil)
+ "Display smileys.
+ Valid values are nil, t, `head', `last', an integer or a predicate.
+ See Info node `(gnus)Customizing Articles' and Info node
+ `(gnus)Smileys' for details."
+ :group 'gnus-article-treat
+ :version "21.1"
+ :link '(custom-manual "(gnus)Customizing Articles")
+ :link '(custom-manual "(gnus)Smileys")
+ :type gnus-article-treat-custom)
+ (put 'gnus-treat-display-smileys 'highlight t)
+
+ (defcustom gnus-treat-from-picon
+ (if (and (gnus-image-type-available-p 'xpm)
+ (gnus-picons-installed-p))
+ 'head nil)
+ "Display picons in the From header.
+ Valid values are nil, t, `head', `last', an integer or a predicate.
+ See Info node `(gnus)Customizing Articles' and Info node
+ `(gnus)Picons' for details."
+ :group 'gnus-article-treat
+ :group 'gnus-picon
+ :link '(custom-manual "(gnus)Customizing Articles")
+ :link '(custom-manual "(gnus)Picons")
+ :type gnus-article-treat-head-custom)
+ (put 'gnus-treat-from-picon 'highlight t)
+
+ (defcustom gnus-treat-mail-picon
+ (if (and (gnus-image-type-available-p 'xpm)
+ (gnus-picons-installed-p))
+ 'head nil)
+ "Display picons in To and Cc headers.
+ Valid values are nil, t, `head', `last', an integer or a predicate.
+ See Info node `(gnus)Customizing Articles' and Info node
+ `(gnus)Picons' for details."
+ :group 'gnus-article-treat
+ :group 'gnus-picon
+ :link '(custom-manual "(gnus)Customizing Articles")
+ :link '(custom-manual "(gnus)Picons")
+ :type gnus-article-treat-head-custom)
+ (put 'gnus-treat-mail-picon 'highlight t)
+
+ (defcustom gnus-treat-newsgroups-picon
+ (if (and (gnus-image-type-available-p 'xpm)
+ (gnus-picons-installed-p))
+ 'head nil)
+ "Display picons in the Newsgroups and Followup-To headers.
+ Valid values are nil, t, `head', `last', an integer or a predicate.
+ See Info node `(gnus)Customizing Articles' and Info node
+ `(gnus)Picons' for details."
+ :group 'gnus-article-treat
+ :group 'gnus-picon
+ :link '(custom-manual "(gnus)Customizing Articles")
+ :link '(custom-manual "(gnus)Picons")
+ :type gnus-article-treat-head-custom)
+ (put 'gnus-treat-newsgroups-picon 'highlight t)
+
+ (defcustom gnus-treat-body-boundary
+ (if (or gnus-treat-newsgroups-picon
+ gnus-treat-mail-picon
+ gnus-treat-from-picon)
+ 'head nil)
+ "Draw a boundary at the end of the headers.
+ Valid values are nil and `head'.
+ See Info node `(gnus)Customizing Articles' for details."
+ :version "21.1"
+ :group 'gnus-article-treat
+ :link '(custom-manual "(gnus)Customizing Articles")
+ :type gnus-article-treat-head-custom)
+
+ (defcustom gnus-treat-capitalize-sentences nil
+ "Capitalize sentence-starting words.
+ Valid values are nil, t, `head', `last', an integer or a predicate.
+ See Info node `(gnus)Customizing Articles' for details."
+ :version "21.1"
+ :group 'gnus-article-treat
+ :link '(custom-manual "(gnus)Customizing Articles")
+ :type gnus-article-treat-custom)
+
+ (defcustom gnus-treat-wash-html nil
+ "Format as HTML.
+ Valid values are nil, t, `head', `last', an integer or a predicate.
+ See Info node `(gnus)Customizing Articles' for details."
+ :group 'gnus-article-treat
+ :link '(custom-manual "(gnus)Customizing Articles")
+ :type gnus-article-treat-custom)
+
+ (defcustom gnus-treat-fill-long-lines nil
+ "Fill long lines.
+ Valid values are nil, t, `head', `last', an integer or a predicate.
+ See Info node `(gnus)Customizing Articles' for details."
+ :group 'gnus-article-treat
+ :link '(custom-manual "(gnus)Customizing Articles")
+ :type gnus-article-treat-custom)
+
+ (defcustom gnus-treat-play-sounds nil
+ "Play sounds.
+ Valid values are nil, t, `head', `last', an integer or a predicate.
+ See Info node `(gnus)Customizing Articles' for details."
+ :version "21.1"
+ :group 'gnus-article-treat
+ :link '(custom-manual "(gnus)Customizing Articles")
+ :type gnus-article-treat-custom)
+
+ (defcustom gnus-treat-translate nil
+ "Translate articles from one language to another.
+ Valid values are nil, t, `head', `last', an integer or a predicate.
+ See Info node `(gnus)Customizing Articles' for details."
+ :version "21.1"
+ :group 'gnus-article-treat
+ :link '(custom-manual "(gnus)Customizing Articles")
+ :type gnus-article-treat-custom)
+
+ (defcustom gnus-treat-x-pgp-sig nil
+ "Verify X-PGP-Sig.
+ To automatically treat X-PGP-Sig, set it to head.
+ Valid values are nil, t, `head', `last', an integer or a predicate.
+ See Info node `(gnus)Customizing Articles' for details."
+ :group 'gnus-article-treat
+ :group 'mime-security
+ :link '(custom-manual "(gnus)Customizing Articles")
+ :type gnus-article-treat-custom)
+
+ (defvar gnus-article-encrypt-protocol-alist
+ '(("PGP" . mml2015-self-encrypt)))
+
+ ;; Set to nil if more than one protocol added to
+ ;; gnus-article-encrypt-protocol-alist.
+ (defcustom gnus-article-encrypt-protocol "PGP"
+ "The protocol used for encrypt articles.
+ It is a string, such as \"PGP\". If nil, ask user."
+ :type 'string
+ :group 'mime-security)
+
+ (defvar gnus-article-wash-function nil
+ "Function used for converting HTML into text.")
+
+ (defcustom gnus-use-idna (and (condition-case nil (require 'idna)
(file-error))
+ (mm-coding-system-p 'utf-8)
+ (executable-find idna-program))
+ "Whether IDNA decoding of headers is used when viewing messages.
+ This requires GNU Libidn, and by default only enabled if it is found."
+ :group 'gnus-article-headers
+ :type 'boolean)
+
+ (defcustom gnus-article-over-scroll nil
+ "If non-nil, allow scrolling the article buffer even when there no more
text."
+ :group 'gnus-article
+ :type 'boolean)
+
+ ;;; Internal variables
+
+ (defvar gnus-english-month-names
+ '("January" "February" "March" "April" "May" "June" "July" "August"
+ "September" "October" "November" "December"))
+
+ (defvar article-goto-body-goes-to-point-min-p nil)
+ (defvar gnus-article-wash-types nil)
+ (defvar gnus-article-emphasis-alist nil)
+ (defvar gnus-article-image-alist nil)
+
+ (defvar gnus-article-mime-handle-alist-1 nil)
+ (defvar gnus-treatment-function-alist
+ '((gnus-treat-x-pgp-sig gnus-article-verify-x-pgp-sig)
+ (gnus-treat-strip-banner gnus-article-strip-banner)
+ (gnus-treat-strip-headers-in-body gnus-article-strip-headers-in-body)
+ (gnus-treat-highlight-signature gnus-article-highlight-signature)
+ (gnus-treat-buttonize gnus-article-add-buttons)
+ (gnus-treat-fill-article gnus-article-fill-cited-article)
+ (gnus-treat-fill-long-lines gnus-article-fill-long-lines)
+ (gnus-treat-strip-cr gnus-article-remove-cr)
+ (gnus-treat-unsplit-urls gnus-article-unsplit-urls)
+ (gnus-treat-date-ut gnus-article-date-ut)
+ (gnus-treat-date-local gnus-article-date-local)
+ (gnus-treat-date-english gnus-article-date-english)
+ (gnus-treat-date-lapsed gnus-article-date-lapsed)
+ (gnus-treat-date-original gnus-article-date-original)
+ (gnus-treat-date-user-defined gnus-article-date-user)
+ (gnus-treat-date-iso8601 gnus-article-date-iso8601)
+ (gnus-treat-display-x-face gnus-article-display-x-face)
+ (gnus-treat-display-face gnus-article-display-face)
+ (gnus-treat-hide-headers gnus-article-maybe-hide-headers)
+ (gnus-treat-hide-boring-headers gnus-article-hide-boring-headers)
+ (gnus-treat-hide-signature gnus-article-hide-signature)
+ (gnus-treat-strip-list-identifiers gnus-article-hide-list-identifiers)
+ (gnus-treat-leading-whitespace gnus-article-remove-leading-whitespace)
+ (gnus-treat-strip-pem gnus-article-hide-pem)
+ (gnus-treat-from-picon gnus-treat-from-picon)
+ (gnus-treat-mail-picon gnus-treat-mail-picon)
+ (gnus-treat-newsgroups-picon gnus-treat-newsgroups-picon)
+ (gnus-treat-highlight-headers gnus-article-highlight-headers)
+ (gnus-treat-highlight-signature gnus-article-highlight-signature)
+ (gnus-treat-strip-trailing-blank-lines
+ gnus-article-remove-trailing-blank-lines)
+ (gnus-treat-strip-leading-blank-lines
+ gnus-article-strip-leading-blank-lines)
+ (gnus-treat-strip-multiple-blank-lines
+ gnus-article-strip-multiple-blank-lines)
+ (gnus-treat-overstrike gnus-article-treat-overstrike)
+ (gnus-treat-unfold-headers gnus-article-treat-unfold-headers)
+ (gnus-treat-fold-headers gnus-article-treat-fold-headers)
+ (gnus-treat-fold-newsgroups gnus-article-treat-fold-newsgroups)
+ (gnus-treat-buttonize-head gnus-article-add-buttons-to-head)
+ (gnus-treat-display-smileys gnus-treat-smiley)
+ (gnus-treat-capitalize-sentences gnus-article-capitalize-sentences)
+ (gnus-treat-wash-html gnus-article-wash-html)
+ (gnus-treat-emphasize gnus-article-emphasize)
+ (gnus-treat-hide-citation gnus-article-hide-citation)
+ (gnus-treat-hide-citation-maybe gnus-article-hide-citation-maybe)
+ (gnus-treat-highlight-citation gnus-article-highlight-citation)
+ (gnus-treat-body-boundary gnus-article-treat-body-boundary)
+ (gnus-treat-play-sounds gnus-earcon-display)))
+
+ (defvar gnus-article-mime-handle-alist nil)
+ (defvar article-lapsed-timer nil)
+ (defvar gnus-article-current-summary nil)
+
+ (defvar gnus-article-mode-syntax-table
+ (let ((table (copy-syntax-table text-mode-syntax-table)))
+ ;; This causes the citation match run O(2^n).
+ ;; (modify-syntax-entry ?- "w" table)
+ (modify-syntax-entry ?> ")<" table)
+ (modify-syntax-entry ?< "(>" table)
+ ;; make M-. in article buffers work for `foo' strings
+ (modify-syntax-entry ?' " " table)
+ (modify-syntax-entry ?` " " table)
+ table)
+ "Syntax table used in article mode buffers.
+ Initialized from `text-mode-syntax-table.")
+
+ (defvar gnus-save-article-buffer nil)
+
+ (defvar gnus-article-mode-line-format-alist
+ (nconc '((?w (gnus-article-wash-status) ?s)
+ (?m (gnus-article-mime-part-status) ?s))
+ gnus-summary-mode-line-format-alist))
+
+ (defvar gnus-number-of-articles-to-be-saved nil)
+
+ (defvar gnus-inhibit-hiding nil)
+
+ ;;; Macros for dealing with the article buffer.
+
+ (defmacro gnus-with-article-headers (&rest forms)
+ `(save-excursion
+ (set-buffer gnus-article-buffer)
+ (save-restriction
+ (let ((buffer-read-only nil)
+ (inhibit-point-motion-hooks t)
+ (case-fold-search t))
+ (article-narrow-to-head)
+ ,@forms))))
+
+ (put 'gnus-with-article-headers 'lisp-indent-function 0)
+ (put 'gnus-with-article-headers 'edebug-form-spec '(body))
+
+ (defmacro gnus-with-article-buffer (&rest forms)
+ `(save-excursion
+ (set-buffer gnus-article-buffer)
+ (let ((buffer-read-only nil))
+ ,@forms)))
+
+ (put 'gnus-with-article-buffer 'lisp-indent-function 0)
+ (put 'gnus-with-article-buffer 'edebug-form-spec '(body))
+
+ (defun gnus-article-goto-header (header)
+ "Go to HEADER, which is a regular expression."
+ (re-search-forward (concat "^\\(" header "\\):") nil t))
+
+ (defsubst gnus-article-hide-text (b e props)
+ "Set text PROPS on the B to E region, extending `intangible' 1 past B."
+ (gnus-add-text-properties-when 'article-type nil b e props)
+ (when (memq 'intangible props)
+ (put-text-property
+ (max (1- b) (point-min))
+ b 'intangible (cddr (memq 'intangible props)))))
+
+ (defsubst gnus-article-unhide-text (b e)
+ "Remove hidden text properties from region between B and E."
+ (remove-text-properties b e gnus-hidden-properties)
+ (when (memq 'intangible gnus-hidden-properties)
+ (put-text-property (max (1- b) (point-min))
+ b 'intangible nil)))
+
+ (defun gnus-article-hide-text-type (b e type)
+ "Hide text of TYPE between B and E."
+ (gnus-add-wash-type type)
+ (gnus-article-hide-text
+ b e (cons 'article-type (cons type gnus-hidden-properties))))
+
+ (defun gnus-article-unhide-text-type (b e type)
+ "Unhide text of TYPE between B and E."
+ (gnus-delete-wash-type type)
+ (remove-text-properties
+ b e (cons 'article-type (cons type gnus-hidden-properties)))
+ (when (memq 'intangible gnus-hidden-properties)
+ (put-text-property (max (1- b) (point-min))
+ b 'intangible nil)))
+
+ (defun gnus-article-hide-text-of-type (type)
+ "Hide text of TYPE in the current buffer."
+ (save-excursion
+ (let ((b (point-min))
+ (e (point-max)))
+ (while (setq b (text-property-any b e 'article-type type))
+ (add-text-properties b (incf b) gnus-hidden-properties)))))
+
+ (defun gnus-article-delete-text-of-type (type)
+ "Delete text of TYPE in the current buffer."
+ (save-excursion
+ (let ((b (point-min)))
+ (while (setq b (text-property-any b (point-max) 'article-type type))
+ (delete-region
+ b (or (text-property-not-all b (point-max) 'article-type type)
+ (point-max)))))))
+
+ (defun gnus-article-delete-invisible-text ()
+ "Delete all invisible text in the current buffer."
+ (save-excursion
+ (let ((b (point-min)))
+ (while (setq b (text-property-any b (point-max) 'invisible t))
+ (delete-region
+ b (or (text-property-not-all b (point-max) 'invisible t)
+ (point-max)))))))
+
+ (defun gnus-article-text-type-exists-p (type)
+ "Say whether any text of type TYPE exists in the buffer."
+ (text-property-any (point-min) (point-max) 'article-type type))
+
+ (defsubst gnus-article-header-rank ()
+ "Give the rank of the string HEADER as given by `gnus-sorted-header-list'."
+ (let ((list gnus-sorted-header-list)
+ (i 1))
+ (while list
+ (if (looking-at (car list))
+ (setq list nil)
+ (setq list (cdr list))
+ (incf i)))
+ i))
+
+ (defun article-hide-headers (&optional arg delete)
+ "Hide unwanted headers and possibly sort them as well."
+ (interactive)
+ ;; This function might be inhibited.
+ (unless gnus-inhibit-hiding
+ (save-excursion
+ (save-restriction
+ (let ((buffer-read-only nil)
+ (case-fold-search t)
+ (max (1+ (length gnus-sorted-header-list)))
+ (ignored (when (not gnus-visible-headers)
+ (cond ((stringp gnus-ignored-headers)
+ gnus-ignored-headers)
+ ((listp gnus-ignored-headers)
+ (mapconcat 'identity gnus-ignored-headers
+ "\\|")))))
+ (visible
+ (cond ((stringp gnus-visible-headers)
+ gnus-visible-headers)
+ ((and gnus-visible-headers
+ (listp gnus-visible-headers))
+ (mapconcat 'identity gnus-visible-headers "\\|"))))
+ (inhibit-point-motion-hooks t)
+ beg)
+ ;; First we narrow to just the headers.
+ (article-narrow-to-head)
+ ;; Hide any "From " lines at the beginning of (mail) articles.
+ (while (looking-at "From ")
+ (forward-line 1))
+ (unless (bobp)
+ (delete-region (point-min) (point)))
+ ;; Then treat the rest of the header lines.
+ ;; Then we use the two regular expressions
+ ;; `gnus-ignored-headers' and `gnus-visible-headers' to
+ ;; select which header lines is to remain visible in the
+ ;; article buffer.
+ (while (re-search-forward "^[^ \t:]*:" nil t)
+ (beginning-of-line)
+ ;; Mark the rank of the header.
+ (put-text-property
+ (point) (1+ (point)) 'message-rank
+ (if (or (and visible (looking-at visible))
+ (and ignored
+ (not (looking-at ignored))))
+ (gnus-article-header-rank)
+ (+ 2 max)))
+ (forward-line 1))
+ (message-sort-headers-1)
+ (when (setq beg (text-property-any
+ (point-min) (point-max) 'message-rank (+ 2 max)))
+ ;; We delete the unwanted headers.
+ (gnus-add-wash-type 'headers)
+ (add-text-properties (point-min) (+ 5 (point-min))
+ '(article-type headers dummy-invisible t))
+ (delete-region beg (point-max))))))))
+
+ (defun article-hide-boring-headers (&optional arg)
+ "Toggle hiding of headers that aren't very interesting.
+ If given a negative prefix, always show; if given a positive prefix,
+ always hide."
+ (interactive (gnus-article-hidden-arg))
+ (when (and (not (gnus-article-check-hidden-text 'boring-headers arg))
+ (not gnus-show-all-headers))
+ (save-excursion
+ (save-restriction
+ (let ((buffer-read-only nil)
+ (list gnus-boring-article-headers)
+ (inhibit-point-motion-hooks t)
+ elem)
+ (article-narrow-to-head)
+ (while list
+ (setq elem (pop list))
+ (goto-char (point-min))
+ (cond
+ ;; Hide empty headers.
+ ((eq elem 'empty)
+ (while (re-search-forward "^[^: \t]+:[ \t]*\n[^ \t]" nil t)
+ (forward-line -1)
+ (gnus-article-hide-text-type
+ (gnus-point-at-bol)
+ (progn
+ (end-of-line)
+ (if (re-search-forward "^[^ \t]" nil t)
+ (match-beginning 0)
+ (point-max)))
+ 'boring-headers)))
+ ;; Hide boring Newsgroups header.
+ ((eq elem 'newsgroups)
+ (when (gnus-string-equal
+ (gnus-fetch-field "newsgroups")
+ (gnus-group-real-name
+ (if (boundp 'gnus-newsgroup-name)
+ gnus-newsgroup-name
+ "")))
+ (gnus-article-hide-header "newsgroups")))
+ ((eq elem 'to-address)
+ (let ((to (message-fetch-field "to"))
+ (to-address
+ (gnus-parameter-to-address
+ (if (boundp 'gnus-newsgroup-name)
+ gnus-newsgroup-name ""))))
+ (when (and to to-address
+ (ignore-errors
+ (gnus-string-equal
+ ;; only one address in To
+ (nth 1 (mail-extract-address-components to))
+ to-address)))
+ (gnus-article-hide-header "to"))))
+ ((eq elem 'to-list)
+ (let ((to (message-fetch-field "to"))
+ (to-list
+ (gnus-parameter-to-list
+ (if (boundp 'gnus-newsgroup-name)
+ gnus-newsgroup-name ""))))
+ (when (and to to-list
+ (ignore-errors
+ (gnus-string-equal
+ ;; only one address in To
+ (nth 1 (mail-extract-address-components to))
+ to-list)))
+ (gnus-article-hide-header "to"))))
+ ((eq elem 'cc-list)
+ (let ((cc (message-fetch-field "cc"))
+ (to-list
+ (gnus-parameter-to-list
+ (if (boundp 'gnus-newsgroup-name)
+ gnus-newsgroup-name ""))))
+ (when (and cc to-list
+ (ignore-errors
+ (gnus-string-equal
+ ;; only one address in CC
+ (nth 1 (mail-extract-address-components cc))
+ to-list)))
+ (gnus-article-hide-header "cc"))))
+ ((eq elem 'followup-to)
+ (when (gnus-string-equal
+ (message-fetch-field "followup-to")
+ (message-fetch-field "newsgroups"))
+ (gnus-article-hide-header "followup-to")))
+ ((eq elem 'reply-to)
+ (if (gnus-group-find-parameter
+ gnus-newsgroup-name 'broken-reply-to)
+ (gnus-article-hide-header "reply-to")
+ (let ((from (message-fetch-field "from"))
+ (reply-to (message-fetch-field "reply-to")))
+ (when
+ (and
+ from reply-to
+ (ignore-errors
+ (equal
+ (sort (mapcar
+ (lambda (x) (downcase (cadr x)))
+ (mail-extract-address-components from t))
+ 'string<)
+ (sort (mapcar
+ (lambda (x) (downcase (cadr x)))
+ (mail-extract-address-components reply-to t))
+ 'string<))))
+ (gnus-article-hide-header "reply-to")))))
+ ((eq elem 'date)
+ (let ((date (message-fetch-field "date")))
+ (when (and date
+ (< (days-between (current-time-string) date)
+ 4))
+ (gnus-article-hide-header "date"))))
+ ((eq elem 'long-to)
+ (let ((to (message-fetch-field "to"))
+ (cc (message-fetch-field "cc")))
+ (when (> (length to) 1024)
+ (gnus-article-hide-header "to"))
+ (when (> (length cc) 1024)
+ (gnus-article-hide-header "cc"))))
+ ((eq elem 'many-to)
+ (let ((to-count 0)
+ (cc-count 0))
+ (goto-char (point-min))
+ (while (re-search-forward "^to:" nil t)
+ (setq to-count (1+ to-count)))
+ (when (> to-count 1)
+ (while (> to-count 0)
+ (goto-char (point-min))
+ (save-restriction
+ (re-search-forward "^to:" nil nil to-count)
+ (forward-line -1)
+ (narrow-to-region (point) (point-max))
+ (gnus-article-hide-header "to"))
+ (setq to-count (1- to-count))))
+ (goto-char (point-min))
+ (while (re-search-forward "^cc:" nil t)
+ (setq cc-count (1+ cc-count)))
+ (when (> cc-count 1)
+ (while (> cc-count 0)
+ (goto-char (point-min))
+ (save-restriction
+ (re-search-forward "^cc:" nil nil cc-count)
+ (forward-line -1)
+ (narrow-to-region (point) (point-max))
+ (gnus-article-hide-header "cc"))
+ (setq cc-count (1- cc-count)))))))))))))
+
+ (defun gnus-article-hide-header (header)
+ (save-excursion
+ (goto-char (point-min))
+ (when (re-search-forward (concat "^" header ":") nil t)
+ (gnus-article-hide-text-type
+ (gnus-point-at-bol)
+ (progn
+ (end-of-line)
+ (if (re-search-forward "^[^ \t]" nil t)
+ (match-beginning 0)
+ (point-max)))
+ 'boring-headers))))
+
+ (defvar gnus-article-normalized-header-length 40
+ "Length of normalized headers.")
+
+ (defun article-normalize-headers ()
+ "Make all header lines 40 characters long."
+ (interactive)
+ (let ((buffer-read-only nil)
+ column)
+ (save-excursion
+ (save-restriction
+ (article-narrow-to-head)
+ (while (not (eobp))
+ (cond
+ ((< (setq column (- (gnus-point-at-eol) (point)))
+ gnus-article-normalized-header-length)
+ (end-of-line)
+ (insert (make-string
+ (- gnus-article-normalized-header-length column)
+ ? )))
+ ((> column gnus-article-normalized-header-length)
+ (gnus-put-text-property
+ (progn
+ (forward-char gnus-article-normalized-header-length)
+ (point))
+ (gnus-point-at-eol)
+ 'invisible t))
+ (t
+ ;; Do nothing.
+ ))
+ (forward-line 1))))))
+
+ (defun article-treat-dumbquotes ()
+ "Translate M****s*** sm*rtq**t*s and other symbols into proper text.
+ Note that this function guesses whether a character is a sm*rtq**t* or
+ not, so it should only be used interactively.
+
+ Sm*rtq**t*s are M****s***'s unilateral extension to the
+ iso-8859-1 character map in an attempt to provide more quoting
+ characters. If you see something like \\222 or \\264 where
+ you're expecting some kind of apostrophe or quotation mark, then
+ try this wash."
+ (interactive)
+ (article-translate-strings gnus-article-dumbquotes-map))
+
+ (defun article-translate-characters (from to)
+ "Translate all characters in the body of the article according to FROM and
TO.
+ FROM is a string of characters to translate from; to is a string of
+ characters to translate to."
+ (save-excursion
+ (when (article-goto-body)
+ (let ((buffer-read-only nil)
+ (x (make-string 225 ?x))
+ (i -1))
+ (while (< (incf i) (length x))
+ (aset x i i))
+ (setq i 0)
+ (while (< i (length from))
+ (aset x (aref from i) (aref to i))
+ (incf i))
+ (translate-region (point) (point-max) x)))))
+
+ (defun article-translate-strings (map)
+ "Translate all string in the body of the article according to MAP.
+ MAP is an alist where the elements are on the form (\"from\" \"to\")."
+ (save-excursion
+ (when (article-goto-body)
+ (let ((buffer-read-only nil)
+ elem)
+ (while (setq elem (pop map))
+ (save-excursion
+ (while (search-forward (car elem) nil t)
+ (replace-match (cadr elem)))))))))
+
+ (defun article-treat-overstrike ()
+ "Translate overstrikes into bold text."
+ (interactive)
+ (save-excursion
+ (when (article-goto-body)
+ (let ((buffer-read-only nil))
+ (while (search-forward "\b" nil t)
+ (let ((next (char-after))
+ (previous (char-after (- (point) 2))))
+ ;; We do the boldification/underlining by hiding the
+ ;; overstrikes and putting the proper text property
+ ;; on the letters.
+ (cond
+ ((eq next previous)
+ (gnus-article-hide-text-type (- (point) 2) (point) 'overstrike)
+ (put-text-property (point) (1+ (point)) 'face 'bold))
+ ((eq next ?_)
+ (gnus-article-hide-text-type
+ (1- (point)) (1+ (point)) 'overstrike)
+ (put-text-property
+ (- (point) 2) (1- (point)) 'face 'underline))
+ ((eq previous ?_)
+ (gnus-article-hide-text-type (- (point) 2) (point) 'overstrike)
+ (put-text-property
+ (point) (1+ (point)) 'face 'underline)))))))))
+
+ (defun gnus-article-treat-unfold-headers ()
+ "Unfold folded message headers.
+ Only the headers that fit into the current window width will be
+ unfolded."
+ (interactive)
+ (gnus-with-article-headers
+ (let (length)
+ (while (not (eobp))
+ (save-restriction
+ (mail-header-narrow-to-field)
+ (let ((header (buffer-string)))
+ (with-temp-buffer
+ (insert header)
+ (goto-char (point-min))
+ (while (re-search-forward "\n[\t ]" nil t)
+ (replace-match " " t t)))
+ (setq length (- (point-max) (point-min) 1)))
+ (when (< length (window-width))
+ (while (re-search-forward "\n[\t ]" nil t)
+ (replace-match " " t t)))
+ (goto-char (point-max)))))))
+
+ (defun gnus-article-treat-fold-headers ()
+ "Fold message headers."
+ (interactive)
+ (gnus-with-article-headers
+ (while (not (eobp))
+ (save-restriction
+ (mail-header-narrow-to-field)
+ (mail-header-fold-field)
+ (goto-char (point-max))))))
+
+ (defun gnus-treat-smiley ()
+ "Toggle display of textual emoticons (\"smileys\") as small graphical
icons."
+ (interactive)
+ (gnus-with-article-buffer
+ (if (memq 'smiley gnus-article-wash-types)
+ (gnus-delete-images 'smiley)
+ (article-goto-body)
+ (let ((images (smiley-region (point) (point-max))))
+ (when images
+ (gnus-add-wash-type 'smiley)
+ (dolist (image images)
+ (gnus-add-image 'smiley image)))))))
+
+ (defun gnus-article-remove-images ()
+ "Remove all images from the article buffer."
+ (interactive)
+ (gnus-with-article-buffer
+ (dolist (elem gnus-article-image-alist)
+ (gnus-delete-images (car elem)))))
+
+ (defun gnus-article-treat-fold-newsgroups ()
+ "Unfold folded message headers.
+ Only the headers that fit into the current window width will be
+ unfolded."
+ (interactive)
+ (gnus-with-article-headers
+ (while (gnus-article-goto-header "newsgroups\\|followup-to")
+ (save-restriction
+ (mail-header-narrow-to-field)
+ (while (re-search-forward ", *" nil t)
+ (replace-match ", " t t))
+ (mail-header-fold-field)
+ (goto-char (point-max))))))
+
+ (defun gnus-article-treat-body-boundary ()
+ "Place a boundary line at the end of the headers."
+ (interactive)
+ (when (and gnus-body-boundary-delimiter
+ (> (length gnus-body-boundary-delimiter) 0))
+ (gnus-with-article-headers
+ (goto-char (point-max))
+ (let ((start (point)))
+ (insert "X-Boundary: ")
+ (gnus-add-text-properties start (point) '(invisible t intangible t))
+ (insert (let (str)
+ (while (>= (1- (window-width)) (length str))
+ (setq str (concat str gnus-body-boundary-delimiter)))
+ (substring str 0 (1- (window-width))))
+ "\n")
+ (gnus-put-text-property start (point) 'gnus-decoration 'header)))))
+
+ (defun article-fill-long-lines ()
+ "Fill lines that are wider than the window width."
+ (interactive)
+ (save-excursion
+ (let ((buffer-read-only nil)
+ (width (window-width (get-buffer-window (current-buffer)))))
+ (save-restriction
+ (article-goto-body)
+ (let ((adaptive-fill-mode nil)) ;Why? -sm
+ (while (not (eobp))
+ (end-of-line)
+ (when (>= (current-column) (min fill-column width))
+ (narrow-to-region (min (1+ (point)) (point-max))
+ (gnus-point-at-bol))
+ (let ((goback (point-marker)))
+ (fill-paragraph nil)
+ (goto-char (marker-position goback)))
+ (widen))
+ (forward-line 1)))))))
+
+ (defun article-capitalize-sentences ()
+ "Capitalize the first word in each sentence."
+ (interactive)
+ (save-excursion
+ (let ((buffer-read-only nil)
+ (paragraph-start "^[\n\^L]"))
+ (article-goto-body)
+ (while (not (eobp))
+ (capitalize-word 1)
+ (forward-sentence)))))
+
+ (defun article-remove-cr ()
+ "Remove trailing CRs and then translate remaining CRs into LFs."
+ (interactive)
+ (save-excursion
+ (let ((buffer-read-only nil))
+ (goto-char (point-min))
+ (while (re-search-forward "\r+$" nil t)
+ (replace-match "" t t))
+ (goto-char (point-min))
+ (while (search-forward "\r" nil t)
+ (replace-match "\n" t t)))))
+
+ (defun article-remove-trailing-blank-lines ()
+ "Remove all trailing blank lines from the article."
+ (interactive)
+ (save-excursion
+ (let ((buffer-read-only nil))
+ (goto-char (point-max))
+ (delete-region
+ (point)
+ (progn
+ (while (and (not (bobp))
+ (looking-at "^[ \t]*$")
+ (not (gnus-annotation-in-region-p
+ (point) (gnus-point-at-eol))))
+ (forward-line -1))
+ (forward-line 1)
+ (point))))))
+
+ (defun article-display-face ()
+ "Display any Face headers in the header."
+ (interactive)
+ (let ((wash-face-p buffer-read-only))
+ (gnus-with-article-headers
+ ;; When displaying parts, this function can be called several times on
+ ;; the same article, without any intended toggle semantic (as typing `W
+ ;; D d' would have). So face deletion must occur only when we come from
+ ;; an interactive command, that is when the *Article* buffer is
+ ;; read-only.
+ (if (and wash-face-p (memq 'face gnus-article-wash-types))
+ (gnus-delete-images 'face)
+ (let (face faces)
+ (save-excursion
+ (when (and wash-face-p
+ (progn
+ (goto-char (point-min))
+ (not (re-search-forward "^Face:[\t ]*" nil t)))
+ (gnus-buffer-live-p gnus-original-article-buffer))
+ (set-buffer gnus-original-article-buffer))
+ (save-restriction
+ (mail-narrow-to-head)
+ (while (gnus-article-goto-header "Face")
+ (push (mail-header-field-value) faces))))
+ (while (setq face (pop faces))
+ (let ((png (gnus-convert-face-to-png face))
+ image)
+ (when png
+ (setq image (gnus-create-image png 'png t))
+ (gnus-article-goto-header "from")
+ (when (bobp)
+ (insert "From: [no `from' set]\n")
+ (forward-char -17))
+ (gnus-add-wash-type 'face)
+ (gnus-add-image 'face image)
+ (gnus-put-image image nil 'face))))))
+ )))
+
+ (defun article-display-x-face (&optional force)
+ "Look for an X-Face header and display it if present."
+ (interactive (list 'force))
+ (let ((wash-face-p buffer-read-only)) ;; When type `W f'
+ (gnus-with-article-headers
+ ;; Delete the old process, if any.
+ (when (process-status "article-x-face")
+ (delete-process "article-x-face"))
+ ;; See the comment in `article-display-face'.
+ (if (and wash-face-p (memq 'xface gnus-article-wash-types))
+ ;; We have already displayed X-Faces, so we remove them
+ ;; instead.
+ (gnus-delete-images 'xface)
+ ;; Display X-Faces.
+ (let (x-faces from face)
+ (save-excursion
+ (when (and wash-face-p
+ (progn
+ (goto-char (point-min))
+ (not (re-search-forward
+ "^X-Face\\(-[0-9]+\\)?:[\t ]*" nil t)))
+ (gnus-buffer-live-p gnus-original-article-buffer))
+ ;; If type `W f', use gnus-original-article-buffer,
+ ;; otherwise use the current buffer because displaying
+ ;; RFC822 parts calls this function too.
+ (set-buffer gnus-original-article-buffer))
+ (save-restriction
+ (mail-narrow-to-head)
+ (while (gnus-article-goto-header "X-Face")
+ (push (mail-header-field-value) x-faces))
+ (setq from (message-fetch-field "from"))))
+ ;; Sending multiple EOFs to xv doesn't work, so we only do a
+ ;; single external face.
+ (when (stringp gnus-article-x-face-command)
+ (setq x-faces (list (car x-faces))))
+ (while (and (setq face (pop x-faces))
+ gnus-article-x-face-command
+ (or force
+ ;; Check whether this face is censored.
+ (not gnus-article-x-face-too-ugly)
+ (and gnus-article-x-face-too-ugly from
+ (not (string-match gnus-article-x-face-too-ugly
+ from)))))
+ ;; We display the face.
+ (cond ((stringp gnus-article-x-face-command)
+ ;; The command is a string, so we interpret the command
+ ;; as a, well, command, and fork it off.
+ (let ((process-connection-type nil))
+ (process-kill-without-query
+ (start-process
+ "article-x-face" nil shell-file-name
+ shell-command-switch gnus-article-x-face-command))
+ (with-temp-buffer
+ (insert face)
+ (process-send-region "article-x-face"
+ (point-min) (point-max)))
+ (process-send-eof "article-x-face")))
+ ((functionp gnus-article-x-face-command)
+ ;; The command is a lisp function, so we call it.
+ (funcall gnus-article-x-face-command face))
+ (t
+ (error "%s is not a function"
+ gnus-article-x-face-command)))))))))
+
+ (defun article-decode-mime-words ()
+ "Decode all MIME-encoded words in the article."
+ (interactive)
+ (save-excursion
+ (set-buffer gnus-article-buffer)
+ (let ((inhibit-point-motion-hooks t)
+ buffer-read-only
+ (mail-parse-charset gnus-newsgroup-charset)
+ (mail-parse-ignored-charsets
+ (save-excursion (set-buffer gnus-summary-buffer)
+ gnus-newsgroup-ignored-charsets)))
+ (mail-decode-encoded-word-region (point-min) (point-max)))))
+
+ (defun article-decode-charset (&optional prompt)
+ "Decode charset-encoded text in the article.
+ If PROMPT (the prefix), prompt for a coding system to use."
+ (interactive "P")
+ (let ((inhibit-point-motion-hooks t) (case-fold-search t)
+ buffer-read-only
+ (mail-parse-charset gnus-newsgroup-charset)
+ (mail-parse-ignored-charsets
+ (save-excursion (condition-case nil
+ (set-buffer gnus-summary-buffer)
+ (error))
+ gnus-newsgroup-ignored-charsets))
+ ct cte ctl charset format)
+ (save-excursion
+ (save-restriction
+ (article-narrow-to-head)
+ (setq ct (message-fetch-field "Content-Type" t)
+ cte (message-fetch-field "Content-Transfer-Encoding" t)
+ ctl (and ct (ignore-errors
+ (mail-header-parse-content-type ct)))
+ charset (cond
+ (prompt
+ (mm-read-coding-system "Charset to decode: "))
+ (ctl
+ (mail-content-type-get ctl 'charset)))
+ format (and ctl (mail-content-type-get ctl 'format)))
+ (when cte
+ (setq cte (mail-header-strip cte)))
+ (if (and ctl (not (string-match "/" (car ctl))))
+ (setq ctl nil))
+ (goto-char (point-max)))
+ (forward-line 1)
+ (save-restriction
+ (narrow-to-region (point) (point-max))
+ (when (and (eq mail-parse-charset 'gnus-decoded)
+ (eq (mm-body-7-or-8) '8bit))
+ ;; The text code could have been decoded.
+ (setq charset mail-parse-charset))
+ (when (and (or (not ctl)
+ (equal (car ctl) "text/plain"))
+ (not format)) ;; article with format will decode later.
+ (mm-decode-body
+ charset (and cte (intern (downcase
+ (gnus-strip-whitespace cte))))
+ (car ctl)))))))
+
+ (defun article-decode-encoded-words ()
+ "Remove encoded-word encoding from headers."
+ (let ((inhibit-point-motion-hooks t)
+ (mail-parse-charset gnus-newsgroup-charset)
+ (mail-parse-ignored-charsets
+ (save-excursion (condition-case nil
+ (set-buffer gnus-summary-buffer)
+ (error))
+ gnus-newsgroup-ignored-charsets))
+ buffer-read-only)
+ (save-restriction
+ (article-narrow-to-head)
+ (funcall gnus-decode-header-function (point-min) (point-max)))))
+
+ (defun article-decode-group-name ()
+ "Decode group names in `Newsgroups:'."
+ (let ((inhibit-point-motion-hooks t)
+ buffer-read-only
+ (method (gnus-find-method-for-group gnus-newsgroup-name)))
+ (when (and (or gnus-group-name-charset-method-alist
+ gnus-group-name-charset-group-alist)
+ (gnus-buffer-live-p gnus-original-article-buffer))
+ (save-restriction
+ (article-narrow-to-head)
+ (with-current-buffer gnus-original-article-buffer
+ (goto-char (point-min)))
+ (while (re-search-forward
+ "^Newsgroups:\\(\\(.\\|\n[\t ]\\)*\\)\n[^\t ]" nil t)
+ (replace-match (save-match-data
+ (gnus-decode-newsgroups
+ ;; XXX how to use data in article buffer?
+ (with-current-buffer gnus-original-article-buffer
+ (re-search-forward
+ "^Newsgroups:\\(\\(.\\|\n[\t ]\\)*\\)\n[^\t ]"
+ nil t)
+ (match-string 1))
+ gnus-newsgroup-name method))
+ t t nil 1))
+ (goto-char (point-min))
+ (with-current-buffer gnus-original-article-buffer
+ (goto-char (point-min)))
+ (while (re-search-forward
+ "^Followup-To:\\(\\(.\\|\n[\t ]\\)*\\)\n[^\t ]" nil t)
+ (replace-match (save-match-data
+ (gnus-decode-newsgroups
+ ;; XXX how to use data in article buffer?
+ (with-current-buffer gnus-original-article-buffer
+ (re-search-forward
+ "^Followup-To:\\(\\(.\\|\n[\t ]\\)*\\)\n[^\t ]"
+ nil t)
+ (match-string 1))
+ gnus-newsgroup-name method))
+ t t nil 1))))))
+
+ (autoload 'idna-to-unicode "idna")
+
+ (defun article-decode-idna-rhs ()
+ "Decode IDNA strings in RHS in From:, To: and Cc: headers in current
buffer."
+ (when gnus-use-idna
+ (save-restriction
+ (let ((inhibit-point-motion-hooks t)
+ buffer-read-only)
+ (article-narrow-to-head)
+ (goto-char (point-min))
+ (while (re-search-forward "\\(xn--[-A-Za-z0-9.]*\\)[ \t\n\r,>]" nil t)
+ (let (ace unicode)
+ (when (save-match-data
+ (and (setq ace (match-string 1))
+ (save-excursion
+ (and (re-search-backward "^[^ \t]" nil t)
+ (looking-at "From\\|To\\|Cc")))
+ (save-excursion (backward-char)
+ (message-idna-inside-rhs-p))
+ (setq unicode (idna-to-unicode ace))))
+ (unless (string= ace unicode)
+ (replace-match unicode nil nil nil 1)))))))))
+
+ (defun article-de-quoted-unreadable (&optional force read-charset)
+ "Translate a quoted-printable-encoded article.
+ If FORCE, decode the article whether it is marked as quoted-printable
+ or not.
+ If READ-CHARSET, ask for a coding system."
+ (interactive (list 'force current-prefix-arg))
+ (save-excursion
+ (let ((buffer-read-only nil) type charset)
+ (if (gnus-buffer-live-p gnus-original-article-buffer)
+ (with-current-buffer gnus-original-article-buffer
+ (setq type
+ (gnus-fetch-field "content-transfer-encoding"))
+ (let* ((ct (gnus-fetch-field "content-type"))
+ (ctl (and ct
+ (ignore-errors
+ (mail-header-parse-content-type ct)))))
+ (setq charset (and ctl
+ (mail-content-type-get ctl 'charset)))
+ (if (stringp charset)
+ (setq charset (intern (downcase charset)))))))
+ (if read-charset
+ (setq charset (mm-read-coding-system "Charset: " charset)))
+ (unless charset
+ (setq charset gnus-newsgroup-charset))
+ (when (or force
+ (and type (let ((case-fold-search t))
+ (string-match "quoted-printable" type))))
+ (article-goto-body)
+ (quoted-printable-decode-region
+ (point) (point-max) (mm-charset-to-coding-system charset))))))
+
+ (defun article-de-base64-unreadable (&optional force read-charset)
+ "Translate a base64 article.
+ If FORCE, decode the article whether it is marked as base64 not.
+ If READ-CHARSET, ask for a coding system."
+ (interactive (list 'force current-prefix-arg))
+ (save-excursion
+ (let ((buffer-read-only nil) type charset)
+ (if (gnus-buffer-live-p gnus-original-article-buffer)
+ (with-current-buffer gnus-original-article-buffer
+ (setq type
+ (gnus-fetch-field "content-transfer-encoding"))
+ (let* ((ct (gnus-fetch-field "content-type"))
+ (ctl (and ct
+ (ignore-errors
+ (mail-header-parse-content-type ct)))))
+ (setq charset (and ctl
+ (mail-content-type-get ctl 'charset)))
+ (if (stringp charset)
+ (setq charset (intern (downcase charset)))))))
+ (if read-charset
+ (setq charset (mm-read-coding-system "Charset: " charset)))
+ (unless charset
+ (setq charset gnus-newsgroup-charset))
+ (when (or force
+ (and type (let ((case-fold-search t))
+ (string-match "base64" type))))
+ (article-goto-body)
+ (save-restriction
+ (narrow-to-region (point) (point-max))
+ (base64-decode-region (point-min) (point-max))
+ (mm-decode-coding-region
+ (point-min) (point-max) (mm-charset-to-coding-system charset)))))))
+
+ (eval-when-compile
+ (require 'rfc1843))
+
+ (defun article-decode-HZ ()
+ "Translate a HZ-encoded article."
+ (interactive)
+ (require 'rfc1843)
+ (save-excursion
+ (let ((buffer-read-only nil))
+ (rfc1843-decode-region (point-min) (point-max)))))
+
+ (defun article-unsplit-urls ()
+ "Remove the newlines that some other mailers insert into URLs."
+ (interactive)
+ (save-excursion
+ (let ((buffer-read-only nil))
+ (goto-char (point-min))
+ (while (re-search-forward
+ "^\\(\\(https?\\|ftp\\)://\\S-+\\) *\n\\(\\S-+\\)" nil t)
+ (replace-match "\\1\\3" t)))
+ (when (interactive-p)
+ (gnus-treat-article nil))))
+
+
+ (defun article-wash-html (&optional read-charset)
+ "Format an HTML article.
+ If READ-CHARSET, ask for a coding system."
+ (interactive "P")
+ (save-excursion
+ (let ((buffer-read-only nil)
+ charset)
+ (when (gnus-buffer-live-p gnus-original-article-buffer)
+ (with-current-buffer gnus-original-article-buffer
+ (let* ((ct (gnus-fetch-field "content-type"))
+ (ctl (and ct
+ (ignore-errors
+ (mail-header-parse-content-type ct)))))
+ (setq charset (and ctl
+ (mail-content-type-get ctl 'charset)))
+ (when (stringp charset)
+ (setq charset (intern (downcase charset)))))))
+ (when read-charset
+ (setq charset (mm-read-coding-system "Charset: " charset)))
+ (unless charset
+ (setq charset gnus-newsgroup-charset))
+ (article-goto-body)
+ (save-window-excursion
+ (save-restriction
+ (narrow-to-region (point) (point-max))
+ (let* ((func (or gnus-article-wash-function mm-text-html-renderer))
+ (entry (assq func mm-text-html-washer-alist)))
+ (when entry
+ (setq func (cdr entry)))
+ (cond
+ ((functionp func)
+ (funcall func))
+ (t
+ (apply (car func) (cdr func))))))))))
+
+ (defun gnus-article-wash-html-with-w3 ()
+ "Wash the current buffer with w3."
+ (mm-setup-w3)
+ (let ((w3-strict-width (window-width))
+ (url-standalone-mode t)
+ (url-gateway-unplugged t)
+ (w3-honor-stylesheets nil))
+ (condition-case ()
+ (w3-region (point-min) (point-max))
+ (error))))
+
+ (defun gnus-article-wash-html-with-w3m ()
+ "Wash the current buffer with emacs-w3m."
+ (mm-setup-w3m)
+ (save-restriction
+ (narrow-to-region (point) (point-max))
+ (let ((w3m-safe-url-regexp (if mm-inline-text-html-with-images
+ nil
+ "\\`cid:"))
+ w3m-force-redisplay)
+ (w3m-region (point-min) (point-max)))
+ (when mm-inline-text-html-with-w3m-keymap
+ (add-text-properties
+ (point-min) (point-max)
+ (nconc (mm-w3m-local-map-property)
+ '(mm-inline-text-html-with-w3m t))))))
+
+ (defun article-hide-list-identifiers ()
+ "Remove list identifies from the Subject header.
+ The `gnus-list-identifiers' variable specifies what to do."
+ (interactive)
+ (let ((inhibit-point-motion-hooks t)
+ (regexp (if (consp gnus-list-identifiers)
+ (mapconcat 'identity gnus-list-identifiers " *\\|")
+ gnus-list-identifiers))
+ buffer-read-only)
+ (when regexp
+ (save-excursion
+ (save-restriction
+ (article-narrow-to-head)
+ (goto-char (point-min))
+ (while (re-search-forward
+ (concat "^Subject: +\\(R[Ee]: +\\)*\\(" regexp " *\\)")
+ nil t)
+ (delete-region (match-beginning 2) (match-end 0))
+ (beginning-of-line))
+ (when (re-search-forward
+ "^Subject: +\\(\\(R[Ee]: +\\)+\\)R[Ee]: +" nil t)
+ (delete-region (match-beginning 1) (match-end 1))))))))
+
+ (defun article-hide-pem (&optional arg)
+ "Toggle hiding of any PEM headers and signatures in the current article.
+ If given a negative prefix, always show; if given a positive prefix,
+ always hide."
+ (interactive (gnus-article-hidden-arg))
+ (unless (gnus-article-check-hidden-text 'pem arg)
+ (save-excursion
+ (let (buffer-read-only end)
+ (goto-char (point-min))
+ ;; Hide the horrendously ugly "header".
+ (when (and (search-forward
+ "\n-----BEGIN PRIVACY-ENHANCED MESSAGE-----\n"
+ nil t)
+ (setq end (1+ (match-beginning 0))))
+ (gnus-add-wash-type 'pem)
+ (gnus-article-hide-text-type
+ end
+ (if (search-forward "\n\n" nil t)
+ (match-end 0)
+ (point-max))
+ 'pem)
+ ;; Hide the trailer as well
+ (when (search-forward "\n-----END PRIVACY-ENHANCED MESSAGE-----\n"
+ nil t)
+ (gnus-article-hide-text-type
+ (match-beginning 0) (match-end 0) 'pem)))))))
+
+ (defun article-strip-banner ()
+ "Strip the banners specified by the `banner' group parameter and by
+ `gnus-article-address-banner-alist'."
+ (interactive)
+ (save-excursion
+ (save-restriction
+ (let ((inhibit-point-motion-hooks t))
+ (when (gnus-parameter-banner gnus-newsgroup-name)
+ (article-really-strip-banner
+ (gnus-parameter-banner gnus-newsgroup-name)))
+ (when gnus-article-address-banner-alist
+ (article-really-strip-banner
+ (let ((from (save-restriction
+ (widen)
+ (article-narrow-to-head)
+ (mail-fetch-field "from"))))
+ (when (and from
+ (setq from
+ (caar (mail-header-parse-addresses from))))
+ (catch 'found
+ (dolist (pair gnus-article-address-banner-alist)
+ (when (string-match (car pair) from)
+ (throw 'found (cdr pair)))))))))))))
+
+ (defun article-really-strip-banner (banner)
+ "Strip the banner specified by the argument."
+ (save-excursion
+ (save-restriction
+ (let ((inhibit-point-motion-hooks t)
+ (gnus-signature-limit nil)
+ buffer-read-only)
+ (article-goto-body)
+ (cond
+ ((eq banner 'signature)
+ (when (gnus-article-narrow-to-signature)
+ (widen)
+ (forward-line -1)
+ (delete-region (point) (point-max))))
+ ((symbolp banner)
+ (if (setq banner (cdr (assq banner gnus-article-banner-alist)))
+ (while (re-search-forward banner nil t)
+ (delete-region (match-beginning 0) (match-end 0)))))
+ ((stringp banner)
+ (while (re-search-forward banner nil t)
+ (delete-region (match-beginning 0) (match-end 0)))))))))
+
+ (defun article-babel ()
+ "Translate article using an online translation service."
+ (interactive)
+ (require 'babel)
+ (save-excursion
+ (set-buffer gnus-article-buffer)
+ (when (article-goto-body)
+ (let* ((buffer-read-only nil)
+ (start (point))
+ (end (point-max))
+ (orig (buffer-substring start end))
+ (trans (babel-as-string orig)))
+ (save-restriction
+ (narrow-to-region start end)
+ (delete-region start end)
+ (insert trans))))))
+
+ (defun article-hide-signature (&optional arg)
+ "Hide the signature in the current article.
+ If given a negative prefix, always show; if given a positive prefix,
+ always hide."
+ (interactive (gnus-article-hidden-arg))
+ (unless (gnus-article-check-hidden-text 'signature arg)
+ (save-excursion
+ (save-restriction
+ (let ((buffer-read-only nil))
+ (when (gnus-article-narrow-to-signature)
+ (gnus-article-hide-text-type
+ (point-min) (point-max) 'signature))))))
+ (gnus-set-mode-line 'article))
+
+ (defun article-strip-headers-in-body ()
+ "Strip offensive headers from bodies."
+ (interactive)
+ (save-excursion
+ (article-goto-body)
+ (let ((case-fold-search t))
+ (when (looking-at "x-no-archive:")
+ (gnus-delete-line)))))
+
+ (defun article-strip-leading-blank-lines ()
+ "Remove all blank lines from the beginning of the article."
+ (interactive)
+ (save-excursion
+ (let ((inhibit-point-motion-hooks t)
+ buffer-read-only)
+ (when (article-goto-body)
+ (while (and (not (eobp))
+ (looking-at "[ \t]*$"))
+ (gnus-delete-line))))))
+
+ (defun article-narrow-to-head ()
+ "Narrow the buffer to the head of the message.
+ Point is left at the beginning of the narrowed-to region."
+ (narrow-to-region
+ (goto-char (point-min))
+ (if (search-forward "\n\n" nil 1)
+ (1- (point))
+ (point-max)))
+ (goto-char (point-min)))
+
+ (defun article-goto-body ()
+ "Place point at the start of the body."
+ (goto-char (point-min))
+ (cond
+ ;; This variable is only bound when dealing with separate
+ ;; MIME body parts.
+ (article-goto-body-goes-to-point-min-p
+ t)
+ ((search-forward "\n\n" nil t)
+ t)
+ (t
+ (goto-char (point-max))
+ nil)))
+
+ (defun article-strip-multiple-blank-lines ()
+ "Replace consecutive blank lines with one empty line."
+ (interactive)
+ (save-excursion
+ (let ((inhibit-point-motion-hooks t)
+ buffer-read-only)
+ ;; First make all blank lines empty.
+ (article-goto-body)
+ (while (re-search-forward "^[ \t]+$" nil t)
+ (unless (gnus-annotation-in-region-p
+ (match-beginning 0) (match-end 0))
+ (replace-match "" nil t)))
+ ;; Then replace multiple empty lines with a single empty line.
+ (article-goto-body)
+ (while (re-search-forward "\n\n\\(\n+\\)" nil t)
+ (unless (gnus-annotation-in-region-p
+ (match-beginning 0) (match-end 0))
+ (delete-region (match-beginning 1) (match-end 1)))))))
+
+ (defun article-strip-leading-space ()
+ "Remove all white space from the beginning of the lines in the article."
+ (interactive)
+ (save-excursion
+ (let ((inhibit-point-motion-hooks t)
+ buffer-read-only)
+ (article-goto-body)
+ (while (re-search-forward "^[ \t]+" nil t)
+ (replace-match "" t t)))))
+
+ (defun article-strip-trailing-space ()
+ "Remove all white space from the end of the lines in the article."
+ (interactive)
+ (save-excursion
+ (let ((inhibit-point-motion-hooks t)
+ buffer-read-only)
+ (article-goto-body)
+ (while (re-search-forward "[ \t]+$" nil t)
+ (replace-match "" t t)))))
+
+ (defun article-strip-blank-lines ()
+ "Strip leading, trailing and multiple blank lines."
+ (interactive)
+ (article-strip-leading-blank-lines)
+ (article-remove-trailing-blank-lines)
+ (article-strip-multiple-blank-lines))
+
+ (defun article-strip-all-blank-lines ()
+ "Strip all blank lines."
+ (interactive)
+ (save-excursion
+ (let ((inhibit-point-motion-hooks t)
+ buffer-read-only)
+ (article-goto-body)
+ (while (re-search-forward "^[ \t]*\n" nil t)
+ (replace-match "" t t)))))
+
+ (defun gnus-article-narrow-to-signature ()
+ "Narrow to the signature; return t if a signature is found, else nil."
+ (let ((inhibit-point-motion-hooks t))
+ (when (gnus-article-search-signature)
+ (forward-line 1)
+ ;; Check whether we have some limits to what we consider
+ ;; to be a signature.
+ (let ((limits (if (listp gnus-signature-limit) gnus-signature-limit
+ (list gnus-signature-limit)))
+ limit limited)
+ (while (setq limit (pop limits))
+ (if (or (and (integerp limit)
+ (< (- (point-max) (point)) limit))
+ (and (floatp limit)
+ (< (count-lines (point) (point-max)) limit))
+ (and (functionp limit)
+ (funcall limit))
+ (and (stringp limit)
+ (not (re-search-forward limit nil t))))
+ () ; This limit did not succeed.
+ (setq limited t
+ limits nil)))
+ (unless limited
+ (narrow-to-region (point) (point-max))
+ t)))))
+
+ (defun gnus-article-search-signature ()
+ "Search the current buffer for the signature separator.
+ Put point at the beginning of the signature separator."
+ (let ((cur (point)))
+ (goto-char (point-max))
+ (if (if (stringp gnus-signature-separator)
+ (re-search-backward gnus-signature-separator nil t)
+ (let ((seps gnus-signature-separator))
+ (while (and seps
+ (not (re-search-backward (car seps) nil t)))
+ (pop seps))
+ seps))
+ t
+ (goto-char cur)
+ nil)))
+
+ (defun gnus-article-hidden-arg ()
+ "Return the current prefix arg as a number, or 0 if no prefix."
+ (list (if current-prefix-arg
+ (prefix-numeric-value current-prefix-arg)
+ 0)))
+
+ (defun gnus-article-check-hidden-text (type arg)
+ "Return nil if hiding is necessary.
+ Arg can be nil or a number. nil and positive means hide, negative
+ means show, 0 means toggle."
+ (save-excursion
+ (save-restriction
+ (let ((hide (gnus-article-hidden-text-p type)))
+ (cond
+ ((or (null arg)
+ (> arg 0))
+ nil)
+ ((< arg 0)
+ (gnus-article-show-hidden-text type)
+ t)
+ (t
+ (if (eq hide 'hidden)
+ (progn
+ (gnus-article-show-hidden-text type)
+ t)
+ nil)))))))
+
+ (defun gnus-article-hidden-text-p (type)
+ "Say whether the current buffer contains hidden text of type TYPE."
+ (let ((pos (text-property-any (point-min) (point-max) 'article-type type)))
+ (while (and pos
+ (not (get-text-property pos 'invisible))
+ (not (get-text-property pos 'dummy-invisible)))
+ (setq pos
+ (text-property-any (1+ pos) (point-max) 'article-type type)))
+ (if pos
+ 'hidden
+ nil)))
+
+ (defun gnus-article-show-hidden-text (type &optional dummy)
+ "Show all hidden text of type TYPE.
+ Originally it is hide instead of DUMMY."
+ (let ((buffer-read-only nil)
+ (inhibit-point-motion-hooks t))
+ (gnus-remove-text-properties-when
+ 'article-type type
+ (point-min) (point-max)
+ (cons 'article-type (cons type
+ gnus-hidden-properties)))
+ (gnus-delete-wash-type type)))
+
+ (defconst article-time-units
+ `((year . ,(* 365.25 24 60 60))
+ (week . ,(* 7 24 60 60))
+ (day . ,(* 24 60 60))
+ (hour . ,(* 60 60))
+ (minute . 60)
+ (second . 1))
+ "Mapping from time units to seconds.")
+
+ (defun gnus-article-forward-header ()
+ "Move point to the start of the next header.
+ If the current header is a continuation header, this can be several
+ lines forward."
+ (let ((ended nil))
+ (while (not ended)
+ (forward-line 1)
+ (if (looking-at "[ \t]+[^ \t]")
+ (forward-line 1)
+ (setq ended t)))))
+
+ (defun article-date-ut (&optional type highlight header)
+ "Convert DATE date to universal time in the current article.
+ If TYPE is `local', convert to local time; if it is `lapsed', output
+ how much time has lapsed since DATE. For `lapsed', the value of
+ `gnus-article-date-lapsed-new-header' says whether the \"X-Sent:\" header
+ should replace the \"Date:\" one, or should be added below it."
+ (interactive (list 'ut t))
+ (let* ((header (or header
+ (message-fetch-field "date")
+ ""))
+ (tdate-regexp "^Date:[ \t]\\|^X-Sent:[ \t]")
+ (date-regexp
+ (cond
+ ((not gnus-article-date-lapsed-new-header)
+ tdate-regexp)
+ ((eq type 'lapsed)
+ "^X-Sent:[ \t]")
+ (t
+ "^Date:[ \t]")))
+ (date (if (vectorp header) (mail-header-date header)
+ header))
+ (inhibit-point-motion-hooks t)
+ pos
+ bface eface)
+ (save-excursion
+ (save-restriction
+ (article-narrow-to-head)
+ (when (re-search-forward tdate-regexp nil t)
+ (setq bface (get-text-property (gnus-point-at-bol) 'face)
+ date (or (get-text-property (gnus-point-at-bol)
+ 'original-date)
+ date)
+ eface (get-text-property (1- (gnus-point-at-eol)) 'face))
+ (forward-line 1))
+ (when (and date (not (string= date "")))
+ (goto-char (point-min))
+ (let ((buffer-read-only nil))
+ ;; Delete any old Date headers.
+ (while (re-search-forward date-regexp nil t)
+ (if pos
+ (delete-region (progn (beginning-of-line) (point))
+ (progn (gnus-article-forward-header)
+ (point)))
+ (delete-region (progn (beginning-of-line) (point))
+ (progn (gnus-article-forward-header)
+ (forward-char -1)
+ (point)))
+ (setq pos (point))))
+ (when (and (not pos)
+ (re-search-forward tdate-regexp nil t))
+ (forward-line 1))
+ (when pos
+ (goto-char pos))
+ (insert (article-make-date-line date (or type 'ut)))
+ (unless pos
+ (insert "\n")
+ (forward-line -1))
+ ;; Do highlighting.
+ (beginning-of-line)
+ (when (looking-at "\\([^:]+\\): *\\(.*\\)$")
+ (put-text-property (match-beginning 1) (1+ (match-end 1))
+ 'original-date date)
+ (put-text-property (match-beginning 1) (1+ (match-end 1))
+ 'face bface)
+ (put-text-property (match-beginning 2) (match-end 2)
+ 'face eface))))))))
+
+ (defun article-make-date-line (date type)
+ "Return a DATE line of TYPE."
+ (unless (memq type '(local ut original user iso8601 lapsed english))
+ (error "Unknown conversion type: %s" type))
+ (condition-case ()
+ (let ((time (date-to-time date)))
+ (cond
+ ;; Convert to the local timezone.
+ ((eq type 'local)
+ (let ((tz (car (current-time-zone time))))
+ (format "Date: %s %s%02d%02d" (current-time-string time)
+ (if (> tz 0) "+" "-") (/ (abs tz) 3600)
+ (/ (% (abs tz) 3600) 60))))
+ ;; Convert to Universal Time.
+ ((eq type 'ut)
+ (concat "Date: "
+ (current-time-string
+ (let* ((e (parse-time-string date))
+ (tm (apply 'encode-time e))
+ (ms (car tm))
+ (ls (- (cadr tm) (car (current-time-zone time)))))
+ (cond ((< ls 0) (list (1- ms) (+ ls 65536)))
+ ((> ls 65535) (list (1+ ms) (- ls 65536)))
+ (t (list ms ls)))))
+ " UT"))
+ ;; Get the original date from the article.
+ ((eq type 'original)
+ (concat "Date: " (if (string-match "\n+$" date)
+ (substring date 0 (match-beginning 0))
+ date)))
+ ;; Let the user define the format.
+ ((eq type 'user)
+ (let ((format (or (condition-case nil
+ (with-current-buffer gnus-summary-buffer
+ gnus-article-time-format)
+ (error nil))
+ gnus-article-time-format)))
+ (if (functionp format)
+ (funcall format time)
+ (concat "Date: " (format-time-string format time)))))
+ ;; ISO 8601.
+ ((eq type 'iso8601)
+ (let ((tz (car (current-time-zone time))))
+ (concat
+ "Date: "
+ (format-time-string "%Y%m%dT%H%M%S" time)
+ (format "%s%02d%02d"
+ (if (> tz 0) "+" "-") (/ (abs tz) 3600)
+ (/ (% (abs tz) 3600) 60)))))
+ ;; Do an X-Sent lapsed format.
+ ((eq type 'lapsed)
+ ;; If the date is seriously mangled, the timezone functions are
+ ;; liable to bug out, so we ignore all errors.
+ (let* ((now (current-time))
+ (real-time (subtract-time now time))
+ (real-sec (and real-time
+ (+ (* (float (car real-time)) 65536)
+ (cadr real-time))))
+ (sec (and real-time (abs real-sec)))
+ num prev)
+ (cond
+ ((null real-time)
+ "X-Sent: Unknown")
+ ((zerop sec)
+ "X-Sent: Now")
+ (t
+ (concat
+ "X-Sent: "
+ ;; This is a bit convoluted, but basically we go
+ ;; through the time units for years, weeks, etc,
+ ;; and divide things to see whether that results
+ ;; in positive answers.
+ (mapconcat
+ (lambda (unit)
+ (if (zerop (setq num (ffloor (/ sec (cdr unit)))))
+ ;; The (remaining) seconds are too few to
+ ;; be divided into this time unit.
+ ""
+ ;; It's big enough, so we output it.
+ (setq sec (- sec (* num (cdr unit))))
+ (prog1
+ (concat (if prev ", " "") (int-to-string
+ (floor num))
+ " " (symbol-name (car unit))
+ (if (> num 1) "s" ""))
+ (setq prev t))))
+ article-time-units "")
+ ;; If dates are odd, then it might appear like the
+ ;; article was sent in the future.
+ (if (> real-sec 0)
+ " ago"
+ " in the future"))))))
+ ;; Display the date in proper English
+ ((eq type 'english)
+ (let ((dtime (decode-time time)))
+ (concat
+ "Date: the "
+ (number-to-string (nth 3 dtime))
+ (let ((digit (% (nth 3 dtime) 10)))
+ (cond
+ ((memq (nth 3 dtime) '(11 12 13)) "th")
+ ((= digit 1) "st")
+ ((= digit 2) "nd")
+ ((= digit 3) "rd")
+ (t "th")))
+ " of "
+ (nth (1- (nth 4 dtime)) gnus-english-month-names)
+ " "
+ (number-to-string (nth 5 dtime))
+ " at "
+ (format "%02d" (nth 2 dtime))
+ ":"
+ (format "%02d" (nth 1 dtime)))))))
+ (error
+ (format "Date: %s (from Gnus)" date))))
+
+ (defun article-date-local (&optional highlight)
+ "Convert the current article date to the local timezone."
+ (interactive (list t))
+ (article-date-ut 'local highlight))
+
+ (defun article-date-english (&optional highlight)
+ "Convert the current article date to something that is proper English."
+ (interactive (list t))
+ (article-date-ut 'english highlight))
+
+ (defun article-date-original (&optional highlight)
+ "Convert the current article date to what it was originally.
+ This is only useful if you have used some other date conversion
+ function and want to see what the date was before converting."
+ (interactive (list t))
+ (article-date-ut 'original highlight))
+
+ (defun article-date-lapsed (&optional highlight)
+ "Convert the current article date to time lapsed since it was sent."
+ (interactive (list t))
+ (article-date-ut 'lapsed highlight))
+
+ (defun article-update-date-lapsed ()
+ "Function to be run from a timer to update the lapsed time line."
+ (let (deactivate-mark)
+ (save-excursion
+ (ignore-errors
+ (walk-windows
+ (lambda (w)
+ (set-buffer (window-buffer w))
+ (when (eq major-mode 'gnus-article-mode)
+ (let ((mark (point-marker)))
+ (goto-char (point-min))
+ (when (re-search-forward "^X-Sent:" nil t)
+ (article-date-lapsed t))
+ (goto-char (marker-position mark))
+ (move-marker mark nil))))
+ nil 'visible)))))
+
+ (defun gnus-start-date-timer (&optional n)
+ "Start a timer to update the X-Sent header in the article buffers.
+ The numerical prefix says how frequently (in seconds) the function
+ is to run."
+ (interactive "p")
+ (unless n
+ (setq n 1))
+ (gnus-stop-date-timer)
+ (setq article-lapsed-timer
+ (nnheader-run-at-time 1 n 'article-update-date-lapsed)))
+
+ (defun gnus-stop-date-timer ()
+ "Stop the X-Sent timer."
+ (interactive)
+ (when article-lapsed-timer
+ (nnheader-cancel-timer article-lapsed-timer)
+ (setq article-lapsed-timer nil)))
+
+ (defun article-date-user (&optional highlight)
+ "Convert the current article date to the user-defined format.
+ This format is defined by the `gnus-article-time-format' variable."
+ (interactive (list t))
+ (article-date-ut 'user highlight))
+
+ (defun article-date-iso8601 (&optional highlight)
+ "Convert the current article date to ISO8601."
+ (interactive (list t))
+ (article-date-ut 'iso8601 highlight))
+
+ ;; (defun article-show-all ()
+ ;; "Show all hidden text in the article buffer."
+ ;; (interactive)
+ ;; (save-excursion
+ ;; (let ((buffer-read-only nil))
+ ;; (gnus-article-unhide-text (point-min) (point-max)))))
+
+ (defun article-remove-leading-whitespace ()
+ "Remove excessive whitespace from all headers."
+ (interactive)
+ (save-excursion
+ (save-restriction
+ (let ((buffer-read-only nil))
+ (article-narrow-to-head)
+ (goto-char (point-min))
+ (while (re-search-forward "^[^ :]+: \\([ \t]+\\)" nil t)
+ (delete-region (match-beginning 1) (match-end 1)))))))
+
+ (defun article-emphasize (&optional arg)
+ "Emphasize text according to `gnus-emphasis-alist'."
+ (interactive (gnus-article-hidden-arg))
+ (unless (gnus-article-check-hidden-text 'emphasis arg)
+ (save-excursion
+ (let ((alist (or
+ (condition-case nil
+ (with-current-buffer gnus-summary-buffer
+ gnus-article-emphasis-alist)
+ (error))
+ gnus-emphasis-alist))
+ (buffer-read-only nil)
+ (props (append '(article-type emphasis)
+ gnus-hidden-properties))
+ regexp elem beg invisible visible face)
+ (article-goto-body)
+ (setq beg (point))
+ (while (setq elem (pop alist))
+ (goto-char beg)
+ (setq regexp (car elem)
+ invisible (nth 1 elem)
+ visible (nth 2 elem)
+ face (nth 3 elem))
+ (while (re-search-forward regexp nil t)
+ (when (and (match-beginning visible) (match-beginning invisible))
+ (gnus-article-hide-text
+ (match-beginning invisible) (match-end invisible) props)
+ (gnus-article-unhide-text-type
+ (match-beginning visible) (match-end visible) 'emphasis)
+ (gnus-put-overlay-excluding-newlines
+ (match-beginning visible) (match-end visible) 'face face)
+ (gnus-add-wash-type 'emphasis)
+ (goto-char (match-end invisible)))))))))
+
+ (defun gnus-article-setup-highlight-words (&optional highlight-words)
+ "Setup newsgroup emphasis alist."
+ (unless gnus-article-emphasis-alist
+ (let ((name (and gnus-newsgroup-name
+ (gnus-group-real-name gnus-newsgroup-name))))
+ (make-local-variable 'gnus-article-emphasis-alist)
+ (setq gnus-article-emphasis-alist
+ (nconc
+ (let ((alist gnus-group-highlight-words-alist) elem highlight)
+ (while (setq elem (pop alist))
+ (when (and name (string-match (car elem) name))
+ (setq alist nil
+ highlight (copy-sequence (cdr elem)))))
+ highlight)
+ (copy-sequence highlight-words)
+ (if gnus-newsgroup-name
+ (copy-sequence (gnus-group-find-parameter
+ gnus-newsgroup-name 'highlight-words t)))
+ gnus-emphasis-alist)))))
+
+ (eval-when-compile
+ (defvar gnus-summary-article-menu)
+ (defvar gnus-summary-post-menu))
+
+ ;;; Saving functions.
+
+ (defun gnus-article-save (save-buffer file &optional num)
+ "Save the currently selected article."
+ (unless gnus-save-all-headers
+ ;; Remove headers according to `gnus-saved-headers'.
+ (let ((gnus-visible-headers
+ (or gnus-saved-headers gnus-visible-headers))
+ (gnus-article-buffer save-buffer))
+ (save-excursion
+ (set-buffer save-buffer)
+ (article-hide-headers 1 t))))
+ (save-window-excursion
+ (if (not gnus-default-article-saver)
+ (error "No default saver is defined")
+ ;; !!! Magic! The saving functions all save
+ ;; `gnus-save-article-buffer' (or so they think), but we
+ ;; bind that variable to our save-buffer.
+ (set-buffer gnus-article-buffer)
+ (let* ((gnus-save-article-buffer save-buffer)
+ (filename
+ (cond
+ ((not gnus-prompt-before-saving) 'default)
+ ((eq gnus-prompt-before-saving 'always) nil)
+ (t file)))
+ (gnus-number-of-articles-to-be-saved
+ (when (eq gnus-prompt-before-saving t)
+ num))) ; Magic
+ (set-buffer gnus-article-current-summary)
+ (funcall gnus-default-article-saver filename)))))
+
+ (defun gnus-read-save-file-name (prompt &optional filename
+ function group headers variable)
+ (let ((default-name
+ (funcall function group headers (symbol-value variable)))
+ result)
+ (setq result
+ (expand-file-name
+ (cond
+ ((eq filename 'default)
+ default-name)
+ ((eq filename t)
+ default-name)
+ (filename filename)
+ (t
+ (let* ((split-name (gnus-get-split-value gnus-split-methods))
+ (prompt
+ (format prompt
+ (if (and gnus-number-of-articles-to-be-saved
+ (> gnus-number-of-articles-to-be-saved 1))
+ (format "these %d articles"
+ gnus-number-of-articles-to-be-saved)
+ "this article")))
+ (file
+ ;; Let the split methods have their say.
+ (cond
+ ;; No split name was found.
+ ((null split-name)
+ (read-file-name
+ (concat prompt " (default "
+ (file-name-nondirectory default-name) ") ")
+ (file-name-directory default-name)
+ default-name))
+ ;; A single group name is returned.
+ ((stringp split-name)
+ (setq default-name
+ (funcall function split-name headers
+ (symbol-value variable)))
+ (read-file-name
+ (concat prompt " (default "
+ (file-name-nondirectory default-name) ") ")
+ (file-name-directory default-name)
+ default-name))
+ ;; A single split name was found
+ ((= 1 (length split-name))
+ (let* ((name (expand-file-name
+ (car split-name)
+ gnus-article-save-directory))
+ (dir (cond ((file-directory-p name)
+ (file-name-as-directory name))
+ ((file-exists-p name) name)
+ (t gnus-article-save-directory))))
+ (read-file-name
+ (concat prompt " (default " name ") ")
+ dir name)))
+ ;; A list of splits was found.
+ (t
+ (setq split-name (nreverse split-name))
+ (let (result)
+ (let ((file-name-history
+ (nconc split-name file-name-history)))
+ (setq result
+ (expand-file-name
+ (read-file-name
+ (concat prompt " (`M-p' for defaults) ")
+ gnus-article-save-directory
+ (car split-name))
+ gnus-article-save-directory)))
+ (car (push result file-name-history)))))))
+ ;; Create the directory.
+ (gnus-make-directory (file-name-directory file))
+ ;; If we have read a directory, we append the default file name.
+ (when (file-directory-p file)
+ (setq file (expand-file-name (file-name-nondirectory
+ default-name)
+ (file-name-as-directory file))))
+ ;; Possibly translate some characters.
+ (nnheader-translate-file-chars file))))))
+ (gnus-make-directory (file-name-directory result))
+ (set variable result)))
+
+ (defun gnus-article-archive-name (group)
+ "Return the first instance of an \"Archive-name\" in the current buffer."
+ (let ((case-fold-search t))
+ (when (re-search-forward "archive-name: *\\([^ \n\t]+\\)[ \t]*$" nil t)
+ (nnheader-concat gnus-article-save-directory
+ (match-string 1)))))
+
+ (defun gnus-article-nndoc-name (group)
+ "If GROUP is an nndoc group, return the name of the parent group."
+ (when (eq (car (gnus-find-method-for-group group)) 'nndoc)
+ (gnus-group-get-parameter group 'save-article-group)))
+
+ (defun gnus-summary-save-in-rmail (&optional filename)
+ "Append this article to Rmail file.
+ Optional argument FILENAME specifies file name.
+ Directory to save to is default to `gnus-article-save-directory'."
+ (setq filename (gnus-read-save-file-name
+ "Save %s in rmail file:" filename
+ gnus-rmail-save-name gnus-newsgroup-name
+ gnus-current-headers 'gnus-newsgroup-last-rmail))
+ (gnus-eval-in-buffer-window gnus-save-article-buffer
+ (save-excursion
+ (save-restriction
+ (widen)
+ (gnus-output-to-rmail filename))))
+ filename)
+
+ (defun gnus-summary-save-in-mail (&optional filename)
+ "Append this article to Unix mail file.
+ Optional argument FILENAME specifies file name.
+ Directory to save to is default to `gnus-article-save-directory'."
+ (setq filename (gnus-read-save-file-name
+ "Save %s in Unix mail file:" filename
+ gnus-mail-save-name gnus-newsgroup-name
+ gnus-current-headers 'gnus-newsgroup-last-mail))
+ (gnus-eval-in-buffer-window gnus-save-article-buffer
+ (save-excursion
+ (save-restriction
+ (widen)
+ (if (and (file-readable-p filename)
+ (file-regular-p filename)
+ (mail-file-babyl-p filename))
+ (rmail-output-to-rmail-file filename t)
+ (gnus-output-to-mail filename)))))
+ filename)
+
+ (defun gnus-summary-save-in-file (&optional filename overwrite)
+ "Append this article to file.
+ Optional argument FILENAME specifies file name.
+ Directory to save to is default to `gnus-article-save-directory'."
+ (setq filename (gnus-read-save-file-name
+ "Save %s in file:" filename
+ gnus-file-save-name gnus-newsgroup-name
+ gnus-current-headers 'gnus-newsgroup-last-file))
+ (gnus-eval-in-buffer-window gnus-save-article-buffer
+ (save-excursion
+ (save-restriction
+ (widen)
+ (when (and overwrite
+ (file-exists-p filename))
+ (delete-file filename))
+ (gnus-output-to-file filename))))
+ filename)
+
+ (defun gnus-summary-write-to-file (&optional filename)
+ "Write this article to a file, overwriting it if the file exists.
+ Optional argument FILENAME specifies file name.
+ The directory to save in defaults to `gnus-article-save-directory'."
+ (gnus-summary-save-in-file nil t))
+
+ (defun gnus-summary-save-body-in-file (&optional filename)
+ "Append this article body to a file.
+ Optional argument FILENAME specifies file name.
+ The directory to save in defaults to `gnus-article-save-directory'."
+ (setq filename (gnus-read-save-file-name
+ "Save %s body in file:" filename
+ gnus-file-save-name gnus-newsgroup-name
+ gnus-current-headers 'gnus-newsgroup-last-file))
+ (gnus-eval-in-buffer-window gnus-save-article-buffer
+ (save-excursion
+ (save-restriction
+ (widen)
+ (when (article-goto-body)
+ (narrow-to-region (point) (point-max)))
+ (gnus-output-to-file filename))))
+ filename)
+
+ (defun gnus-summary-save-in-pipe (&optional command)
+ "Pipe this article to subprocess."
+ (setq command
+ (cond ((and (eq command 'default)
+ gnus-last-shell-command)
+ gnus-last-shell-command)
+ ((stringp command)
+ command)
+ (t (read-string
+ (format
+ "Shell command on %s: "
+ (if (and gnus-number-of-articles-to-be-saved
+ (> gnus-number-of-articles-to-be-saved 1))
+ (format "these %d articles"
+ gnus-number-of-articles-to-be-saved)
+ "this article"))
+ gnus-last-shell-command))))
+ (when (string-equal command "")
+ (if gnus-last-shell-command
+ (setq command gnus-last-shell-command)
+ (error "A command is required")))
+ (gnus-eval-in-buffer-window gnus-article-buffer
+ (save-restriction
+ (widen)
+ (shell-command-on-region (point-min) (point-max) command nil)))
+ (setq gnus-last-shell-command command))
+
+ (defmacro gnus-read-string (prompt &optional initial-contents history
+ default-value)
+ "Like `read-string' but allow for older XEmacsen that don't have the 5th
arg."
+ (if (and (featurep 'xemacs)
+ (< emacs-minor-version 2))
+ `(read-string ,prompt ,initial-contents ,history)
+ `(read-string ,prompt ,initial-contents ,history ,default-value)))
+
+ (defun gnus-summary-pipe-to-muttprint (&optional command)
+ "Pipe this article to muttprint."
+ (setq command (gnus-read-string
+ "Print using command: " gnus-summary-muttprint-program
+ nil gnus-summary-muttprint-program))
+ (gnus-summary-save-in-pipe command))
+
+ ;;; Article file names when saving.
+
+ (defun gnus-capitalize-newsgroup (newsgroup)
+ "Capitalize NEWSGROUP name."
+ (when (not (zerop (length newsgroup)))
+ (concat (char-to-string (upcase (aref newsgroup 0)))
+ (substring newsgroup 1))))
+
+ (defun gnus-Numeric-save-name (newsgroup headers &optional last-file)
+ "Generate file name from NEWSGROUP, HEADERS, and optional LAST-FILE.
+ If variable `gnus-use-long-file-name' is non-nil, it is ~/News/News.group/num.
+ Otherwise, it is like ~/News/news/group/num."
+ (let ((default
+ (expand-file-name
+ (concat (if (gnus-use-long-file-name 'not-save)
+ (gnus-capitalize-newsgroup newsgroup)
+ (gnus-newsgroup-directory-form newsgroup))
+ "/" (int-to-string (mail-header-number headers)))
+ gnus-article-save-directory)))
+ (if (and last-file
+ (string-equal (file-name-directory default)
+ (file-name-directory last-file))
+ (string-match "^[0-9]+$" (file-name-nondirectory last-file)))
+ default
+ (or last-file default))))
+
+ (defun gnus-numeric-save-name (newsgroup headers &optional last-file)
+ "Generate file name from NEWSGROUP, HEADERS, and optional LAST-FILE.
+ If variable `gnus-use-long-file-name' is non-nil, it is
+ ~/News/news.group/num. Otherwise, it is like ~/News/news/group/num."
+ (let ((default
+ (expand-file-name
+ (concat (if (gnus-use-long-file-name 'not-save)
+ newsgroup
+ (gnus-newsgroup-directory-form newsgroup))
+ "/" (int-to-string (mail-header-number headers)))
+ gnus-article-save-directory)))
+ (if (and last-file
+ (string-equal (file-name-directory default)
+ (file-name-directory last-file))
+ (string-match "^[0-9]+$" (file-name-nondirectory last-file)))
+ default
+ (or last-file default))))
+
+ (defun gnus-plain-save-name (newsgroup headers &optional last-file)
+ "Generate file name from NEWSGROUP, HEADERS, and optional LAST-FILE.
+ If variable `gnus-use-long-file-name' is non-nil, it is
+ ~/News/news.group. Otherwise, it is like ~/News/news/group/news."
+ (or last-file
+ (expand-file-name
+ (if (gnus-use-long-file-name 'not-save)
+ newsgroup
+ (file-relative-name
+ (expand-file-name "news" (gnus-newsgroup-directory-form newsgroup))
+ default-directory))
+ gnus-article-save-directory)))
+
+ (defun gnus-sender-save-name (newsgroup headers &optional last-file)
+ "Generate file name from sender."
+ (let ((from (mail-header-from headers)))
+ (expand-file-name
+ (if (and from (string-match "\\([^ <]+\\)@" from))
+ (match-string 1 from)
+ "nobody")
+ gnus-article-save-directory)))
+
+ (defun article-verify-x-pgp-sig ()
+ "Verify X-PGP-Sig."
+ (interactive)
+ (if (gnus-buffer-live-p gnus-original-article-buffer)
+ (let ((sig (with-current-buffer gnus-original-article-buffer
+ (gnus-fetch-field "X-PGP-Sig")))
+ items info headers)
+ (when (and sig
+ mml2015-use
+ (mml2015-clear-verify-function))
+ (with-temp-buffer
+ (insert-buffer-substring gnus-original-article-buffer)
+ (setq items (split-string sig))
+ (message-narrow-to-head)
+ (let ((inhibit-point-motion-hooks t)
+ (case-fold-search t))
+ ;; Don't verify multiple headers.
+ (setq headers (mapconcat (lambda (header)
+ (concat header ": "
+ (mail-fetch-field header)
+ "\n"))
+ (split-string (nth 1 items) ",") "")))
+ (delete-region (point-min) (point-max))
+ (insert "-----BEGIN PGP SIGNED MESSAGE-----\n\n")
+ (insert "X-Signed-Headers: " (nth 1 items) "\n")
+ (insert headers)
+ (widen)
+ (forward-line)
+ (while (not (eobp))
+ (if (looking-at "^-")
+ (insert "- "))
+ (forward-line))
+ (insert "\n-----BEGIN PGP SIGNATURE-----\n")
+ (insert "Version: " (car items) "\n\n")
+ (insert (mapconcat 'identity (cddr items) "\n"))
+ (insert "\n-----END PGP SIGNATURE-----\n")
+ (let ((mm-security-handle (list (format "multipart/signed"))))
+ (mml2015-clean-buffer)
+ (let ((coding-system-for-write (or gnus-newsgroup-charset
+ 'iso-8859-1)))
+ (funcall (mml2015-clear-verify-function)))
+ (setq info
+ (or (mm-handle-multipart-ctl-parameter
+ mm-security-handle 'gnus-details)
+ (mm-handle-multipart-ctl-parameter
+ mm-security-handle 'gnus-info)))))
+ (when info
+ (let (buffer-read-only bface eface)
+ (save-restriction
+ (message-narrow-to-head)
+ (goto-char (point-max))
+ (forward-line -1)
+ (setq bface (get-text-property (gnus-point-at-bol) 'face)
+ eface (get-text-property (1- (gnus-point-at-eol)) 'face))
+ (message-remove-header "X-Gnus-PGP-Verify")
+ (if (re-search-forward "^X-PGP-Sig:" nil t)
+ (forward-line)
+ (goto-char (point-max)))
+ (narrow-to-region (point) (point))
+ (insert "X-Gnus-PGP-Verify: " info "\n")
+ (goto-char (point-min))
+ (forward-line)
+ (while (not (eobp))
+ (if (not (looking-at "^[ \t]"))
+ (insert " "))
+ (forward-line))
+ ;; Do highlighting.
+ (goto-char (point-min))
+ (when (looking-at "\\([^:]+\\): *")
+ (put-text-property (match-beginning 1) (1+ (match-end 1))
+ 'face bface)
+ (put-text-property (match-end 0) (point-max)
+ 'face eface)))))))))
+
+ (defun article-verify-cancel-lock ()
+ "Verify Cancel-Lock header."
+ (interactive)
+ (if (gnus-buffer-live-p gnus-original-article-buffer)
+ (canlock-verify gnus-original-article-buffer)))
+
+ (eval-and-compile
+ (mapcar
+ (lambda (func)
+ (let (afunc gfunc)
+ (if (consp func)
+ (setq afunc (car func)
+ gfunc (cdr func))
+ (setq afunc func
+ gfunc (intern (format "gnus-%s" func))))
+ (defalias gfunc
+ (when (fboundp afunc)
+ `(lambda (&optional interactive &rest args)
+ ,(documentation afunc t)
+ (interactive (list t))
+ (save-excursion
+ (set-buffer gnus-article-buffer)
+ (if interactive
+ (call-interactively ',afunc)
+ (apply ',afunc args))))))))
+ '(article-hide-headers
+ article-verify-x-pgp-sig
+ article-verify-cancel-lock
+ article-hide-boring-headers
+ article-treat-overstrike
+ article-fill-long-lines
+ article-capitalize-sentences
+ article-remove-cr
+ article-remove-leading-whitespace
+ article-display-x-face
+ article-display-face
+ article-de-quoted-unreadable
+ article-de-base64-unreadable
+ article-decode-HZ
+ article-wash-html
+ article-unsplit-urls
+ article-hide-list-identifiers
+ article-strip-banner
+ article-babel
+ article-hide-pem
+ article-hide-signature
+ article-strip-headers-in-body
+ article-remove-trailing-blank-lines
+ article-strip-leading-blank-lines
+ article-strip-multiple-blank-lines
+ article-strip-leading-space
+ article-strip-trailing-space
+ article-strip-blank-lines
+ article-strip-all-blank-lines
+ article-date-local
+ article-date-english
+ article-date-iso8601
+ article-date-original
+ article-date-ut
+ article-decode-mime-words
+ article-decode-charset
+ article-decode-encoded-words
+ article-date-user
+ article-date-lapsed
+ article-emphasize
+ article-treat-dumbquotes
+ article-normalize-headers
+ ;; (article-show-all . gnus-article-show-all-headers)
+ )))
+
+ ;;;
+ ;;; Gnus article mode
+ ;;;
+
+ (put 'gnus-article-mode 'mode-class 'special)
+
+ (set-keymap-parent gnus-article-mode-map widget-keymap)
+
+ (gnus-define-keys gnus-article-mode-map
+ " " gnus-article-goto-next-page
+ "\177" gnus-article-goto-prev-page
+ [delete] gnus-article-goto-prev-page
+ [backspace] gnus-article-goto-prev-page
+ "\C-c^" gnus-article-refer-article
+ "h" gnus-article-show-summary
+ "s" gnus-article-show-summary
+ "\C-c\C-m" gnus-article-mail
+ "?" gnus-article-describe-briefly
+ "e" gnus-summary-edit-article
+ "<" beginning-of-buffer
+ ">" end-of-buffer
+ "\C-c\C-i" gnus-info-find-node
+ "\C-c\C-b" gnus-bug
+ "R" gnus-article-reply-with-original
+ "F" gnus-article-followup-with-original
+ "\C-hk" gnus-article-describe-key
+ "\C-hc" gnus-article-describe-key-briefly
+
+ "\C-d" gnus-article-read-summary-keys
+ "\M-*" gnus-article-read-summary-keys
+ "\M-#" gnus-article-read-summary-keys
+ "\M-^" gnus-article-read-summary-keys
+ "\M-g" gnus-article-read-summary-keys)
+
+ (substitute-key-definition
+ 'undefined 'gnus-article-read-summary-keys gnus-article-mode-map)
+
+ (defun gnus-article-make-menu-bar ()
+ (unless (boundp 'gnus-article-commands-menu)
+ (gnus-summary-make-menu-bar))
+ (gnus-turn-off-edit-menu 'article)
+ (unless (boundp 'gnus-article-article-menu)
+ (easy-menu-define
+ gnus-article-article-menu gnus-article-mode-map ""
+ '("Article"
+ ["Scroll forwards" gnus-article-goto-next-page t]
+ ["Scroll backwards" gnus-article-goto-prev-page t]
+ ["Show summary" gnus-article-show-summary t]
+ ["Fetch Message-ID at point" gnus-article-refer-article t]
+ ["Mail to address at point" gnus-article-mail t]
+ ["Send a bug report" gnus-bug t]))
+
+ (easy-menu-define
+ gnus-article-treatment-menu gnus-article-mode-map ""
+ ;; Fixme: this should use :active (and maybe :visible).
+ '("Treatment"
+ ["Hide headers" gnus-article-hide-headers t]
+ ["Hide signature" gnus-article-hide-signature t]
+ ["Hide citation" gnus-article-hide-citation t]
+ ["Treat overstrike" gnus-article-treat-overstrike t]
+ ["Remove carriage return" gnus-article-remove-cr t]
+ ["Remove leading whitespace" gnus-article-remove-leading-whitespace t]
+ ["Remove quoted-unreadable" gnus-article-de-quoted-unreadable t]
+ ["Remove base64" gnus-article-de-base64-unreadable t]
+ ["Treat html" gnus-article-wash-html t]
+ ["Remove newlines from within URLs" gnus-article-unsplit-urls t]
+ ["Decode HZ" gnus-article-decode-HZ t]))
+
+ ;; Note "Commands" menu is defined in gnus-sum.el for consistency
+
+ ;; Note "Post" menu is defined in gnus-sum.el for consistency
+
+ (gnus-run-hooks 'gnus-article-menu-hook)))
+
+ (defun gnus-article-mode ()
+ "Major mode for displaying an article.
+
+ All normal editing commands are switched off.
+
+ The following commands are available in addition to all summary mode
+ commands:
+ \\<gnus-article-mode-map>
+ \\[gnus-article-next-page]\t Scroll the article one page forwards
+ \\[gnus-article-prev-page]\t Scroll the article one page backwards
+ \\[gnus-article-refer-article]\t Go to the article referred to by an article
id near point
+ \\[gnus-article-show-summary]\t Display the summary buffer
+ \\[gnus-article-mail]\t Send a reply to the address near point
+ \\[gnus-article-describe-briefly]\t Describe the current mode briefly
+ \\[gnus-info-find-node]\t Go to the Gnus info node"
+ (interactive)
+ (gnus-simplify-mode-line)
+ (setq mode-name "Article")
+ (setq major-mode 'gnus-article-mode)
+ (make-local-variable 'minor-mode-alist)
+ (use-local-map gnus-article-mode-map)
+ (when (gnus-visual-p 'article-menu 'menu)
+ (gnus-article-make-menu-bar)
+ (when gnus-summary-tool-bar-map
+ (set (make-local-variable 'tool-bar-map) gnus-summary-tool-bar-map)))
+ (gnus-update-format-specifications nil 'article-mode)
+ (set (make-local-variable 'page-delimiter) gnus-page-delimiter)
+ (set (make-local-variable 'gnus-page-broken) nil)
+ (make-local-variable 'gnus-button-marker-list)
+ (make-local-variable 'gnus-article-current-summary)
+ (make-local-variable 'gnus-article-mime-handles)
+ (make-local-variable 'gnus-article-decoded-p)
+ (make-local-variable 'gnus-article-mime-handle-alist)
+ (make-local-variable 'gnus-article-wash-types)
+ (make-local-variable 'gnus-article-image-alist)
+ (make-local-variable 'gnus-article-charset)
+ (make-local-variable 'gnus-article-ignored-charsets)
+ (gnus-set-default-directory)
+ (buffer-disable-undo)
+ (setq buffer-read-only t)
+ (set-syntax-table gnus-article-mode-syntax-table)
+ (mm-enable-multibyte)
+ (gnus-run-hooks 'gnus-article-mode-hook))
+
+ (defun gnus-article-setup-buffer ()
+ "Initialize the article buffer."
+ (let* ((name (if gnus-single-article-buffer "*Article*"
+ (concat "*Article " gnus-newsgroup-name "*")))
+ (original
+ (progn (string-match "\\*Article" name)
+ (concat " *Original Article"
+ (substring name (match-end 0))))))
+ (setq gnus-article-buffer name)
+ (setq gnus-original-article-buffer original)
+ (setq gnus-article-mime-handle-alist nil)
+ ;; This might be a variable local to the summary buffer.
+ (unless gnus-single-article-buffer
+ (save-excursion
+ (set-buffer gnus-summary-buffer)
+ (setq gnus-article-buffer name)
+ (setq gnus-original-article-buffer original)
+ (gnus-set-global-variables)))
+ (gnus-article-setup-highlight-words)
+ ;; Init original article buffer.
+ (save-excursion
+ (set-buffer (gnus-get-buffer-create gnus-original-article-buffer))
+ (mm-enable-multibyte)
+ (setq major-mode 'gnus-original-article-mode)
+ (make-local-variable 'gnus-original-article))
+ (if (get-buffer name)
+ (save-excursion
+ (set-buffer name)
+ (when (and gnus-article-edit-mode
+ (buffer-modified-p)
+ (not
+ (y-or-n-p "Article mode edit in progress; discard? ")))
+ (error "Action aborted"))
+ (set (make-local-variable 'gnus-article-edit-mode) nil)
+ (when gnus-article-mime-handles
+ (mm-destroy-parts gnus-article-mime-handles)
+ (setq gnus-article-mime-handles nil))
+ ;; Set it to nil in article-buffer!
+ (setq gnus-article-mime-handle-alist nil)
+ (buffer-disable-undo)
+ (setq buffer-read-only t)
+ ;; This list just keeps growing if we don't reset it.
+ (setq gnus-button-marker-list nil)
+ (unless (eq major-mode 'gnus-article-mode)
+ (gnus-article-mode))
+ (current-buffer))
+ (save-excursion
+ (set-buffer (gnus-get-buffer-create name))
+ (gnus-article-mode)
+ (make-local-variable 'gnus-summary-buffer)
+ (gnus-summary-set-local-parameters gnus-newsgroup-name)
+ (current-buffer)))))
+
+ ;; Set article window start at LINE, where LINE is the number of lines
+ ;; from the head of the article.
+ (defun gnus-article-set-window-start (&optional line)
+ (set-window-start
+ (gnus-get-buffer-window gnus-article-buffer t)
+ (save-excursion
+ (set-buffer gnus-article-buffer)
+ (goto-char (point-min))
+ (if (not line)
+ (point-min)
+ (gnus-message 6 "Moved to bookmark")
+ (search-forward "\n\n" nil t)
+ (forward-line line)
+ (point)))))
+
+ (defun gnus-article-prepare (article &optional all-headers header)
+ "Prepare ARTICLE in article mode buffer.
+ ARTICLE should either be an article number or a Message-ID.
+ If ARTICLE is an id, HEADER should be the article headers.
+ If ALL-HEADERS is non-nil, no headers are hidden."
+ (save-excursion
+ ;; Make sure we start in a summary buffer.
+ (unless (eq major-mode 'gnus-summary-mode)
+ (set-buffer gnus-summary-buffer))
+ (setq gnus-summary-buffer (current-buffer))
+ (let* ((gnus-article (if header (mail-header-number header) article))
+ (summary-buffer (current-buffer))
+ (gnus-tmp-internal-hook gnus-article-internal-prepare-hook)
+ (group gnus-newsgroup-name)
+ result)
+ (save-excursion
+ (gnus-article-setup-buffer)
+ (set-buffer gnus-article-buffer)
+ ;; Deactivate active regions.
+ (when (and (boundp 'transient-mark-mode)
+ transient-mark-mode)
+ (setq mark-active nil))
+ (if (not (setq result (let ((buffer-read-only nil))
+ (gnus-request-article-this-buffer
+ article group))))
+ ;; There is no such article.
+ (save-excursion
+ (when (and (numberp article)
+ (not (memq article gnus-newsgroup-sparse)))
+ (setq gnus-article-current
+ (cons gnus-newsgroup-name article))
+ (set-buffer gnus-summary-buffer)
+ (setq gnus-current-article article)
+ (if (and (memq article gnus-newsgroup-undownloaded)
+ (not (gnus-online (gnus-find-method-for-group
+ gnus-newsgroup-name))))
+ (progn
+ (gnus-summary-set-agent-mark article)
+ (message "Message marked for downloading"))
+ (gnus-summary-mark-article article gnus-canceled-mark)
+ (unless (memq article gnus-newsgroup-sparse)
+ (gnus-error 1 "No such article (may have expired or been
canceled)")))))
+ (if (or (eq result 'pseudo)
+ (eq result 'nneething))
+ (progn
+ (save-excursion
+ (set-buffer summary-buffer)
+ (push article gnus-newsgroup-history)
+ (setq gnus-last-article gnus-current-article
+ gnus-current-article 0
+ gnus-current-headers nil
+ gnus-article-current nil)
+ (if (eq result 'nneething)
+ (gnus-configure-windows 'summary)
+ (gnus-configure-windows 'article))
+ (gnus-set-global-variables))
+ (let ((gnus-article-mime-handle-alist-1
+ gnus-article-mime-handle-alist))
+ (gnus-set-mode-line 'article)))
+ ;; The result from the `request' was an actual article -
+ ;; or at least some text that is now displayed in the
+ ;; article buffer.
+ (when (and (numberp article)
+ (not (eq article gnus-current-article)))
+ ;; Seems like a new article has been selected.
+ ;; `gnus-current-article' must be an article number.
+ (save-excursion
+ (set-buffer summary-buffer)
+ (push article gnus-newsgroup-history)
+ (setq gnus-last-article gnus-current-article
+ gnus-current-article article
+ gnus-current-headers
+ (gnus-summary-article-header gnus-current-article)
+ gnus-article-current
+ (cons gnus-newsgroup-name gnus-current-article))
+ (unless (vectorp gnus-current-headers)
+ (setq gnus-current-headers nil))
+ (gnus-summary-goto-subject gnus-current-article)
+ (when (gnus-summary-show-thread)
+ ;; If the summary buffer really was folded, the
+ ;; previous goto may not actually have gone to
+ ;; the right article, but the thread root instead.
+ ;; So we go again.
+ (gnus-summary-goto-subject gnus-current-article))
+ (gnus-run-hooks 'gnus-mark-article-hook)
+ (gnus-set-mode-line 'summary)
+ (when (gnus-visual-p 'article-highlight 'highlight)
+ (gnus-run-hooks 'gnus-visual-mark-article-hook))
+ ;; Set the global newsgroup variables here.
+ (gnus-set-global-variables)
+ (setq gnus-have-all-headers
+ (or all-headers gnus-show-all-headers))))
+ (save-excursion
+ (gnus-configure-windows 'article))
+ (when (or (numberp article)
+ (stringp article))
+ (gnus-article-prepare-display)
+ ;; Do page break.
+ (goto-char (point-min))
+ (when gnus-break-pages
+ (gnus-narrow-to-page)))
+ (let ((gnus-article-mime-handle-alist-1
+ gnus-article-mime-handle-alist))
+ (gnus-set-mode-line 'article))
+ (article-goto-body)
+ (unless (bobp)
+ (forward-line -1))
+ (set-window-point (get-buffer-window (current-buffer)) (point))
+ (gnus-configure-windows 'article)
+ t))))))
+
+ ;;;###autoload
+ (defun gnus-article-prepare-display ()
+ "Make the current buffer look like a nice article."
+ ;; Hooks for getting information from the article.
+ ;; This hook must be called before being narrowed.
+ (let ((gnus-article-buffer (current-buffer))
+ buffer-read-only)
+ (unless (eq major-mode 'gnus-article-mode)
+ (gnus-article-mode))
+ (setq buffer-read-only nil
+ gnus-article-wash-types nil
+ gnus-article-image-alist nil)
+ (gnus-run-hooks 'gnus-tmp-internal-hook)
+ (when gnus-display-mime-function
+ (funcall gnus-display-mime-function))
+ (gnus-run-hooks 'gnus-article-prepare-hook)))
+
+ ;;;
+ ;;; Gnus MIME viewing functions
+ ;;;
+
+ (defvar gnus-mime-button-line-format "%{%([%p. %d%T]%)%}%e\n"
+ "Format of the MIME buttons.
+
+ Valid specifiers include:
+ %t The MIME type
+ %T MIME type, along with additional info
+ %n The `name' parameter
+ %d The description, if any
+ %l The length of the encoded part
+ %p The part identifier number
+ %e Dots if the part isn't displayed
+
+ General format specifiers can also be used. See Info node
+ `(gnus)Formatting Variables'.")
+
+ (defvar gnus-mime-button-line-format-alist
+ '((?t gnus-tmp-type ?s)
+ (?T gnus-tmp-type-long ?s)
+ (?n gnus-tmp-name ?s)
+ (?d gnus-tmp-description ?s)
+ (?p gnus-tmp-id ?s)
+ (?l gnus-tmp-length ?d)
+ (?e gnus-tmp-dots ?s)))
+
+ (defvar gnus-mime-button-commands
+ '((gnus-article-press-button "\r" "Toggle Display")
+ (gnus-mime-view-part "v" "View Interactively...")
+ (gnus-mime-view-part-as-type "t" "View As Type...")
+ (gnus-mime-view-part-as-charset "C" "View As charset...")
+ (gnus-mime-save-part "o" "Save...")
+ (gnus-mime-save-part-and-strip "\C-o" "Save and Strip")
+ (gnus-mime-delete-part "d" "Delete part")
+ (gnus-mime-copy-part "c" "View As Text, In Other Buffer")
+ (gnus-mime-inline-part "i" "View As Text, In This Buffer")
+ (gnus-mime-view-part-internally "E" "View Internally")
+ (gnus-mime-view-part-externally "e" "View Externally")
+ (gnus-mime-print-part "p" "Print")
+ (gnus-mime-pipe-part "|" "Pipe To Command...")
+ (gnus-mime-action-on-part "." "Take action on the part...")))
+
+ (defun gnus-article-mime-part-status ()
+ (if gnus-article-mime-handle-alist-1
+ (if (eq 1 (length gnus-article-mime-handle-alist-1))
+ " (1 part)"
+ (format " (%d parts)" (length gnus-article-mime-handle-alist-1)))
+ ""))
+
+ (defvar gnus-mime-button-map
+ (let ((map (make-sparse-keymap)))
+ (unless (>= (string-to-number emacs-version) 21)
+ ;; XEmacs doesn't care.
+ (set-keymap-parent map gnus-article-mode-map))
+ (define-key map gnus-mouse-2 'gnus-article-push-button)
+ (define-key map gnus-down-mouse-3 'gnus-mime-button-menu)
+ (dolist (c gnus-mime-button-commands)
+ (define-key map (cadr c) (car c)))
+ map))
+
+ (easy-menu-define
+ gnus-mime-button-menu gnus-mime-button-map "MIME button menu."
+ `("MIME Part"
+ ,@(mapcar (lambda (c)
+ (vector (caddr c) (car c) :enable t))
+ gnus-mime-button-commands)))
+
+ (eval-when-compile
+ (define-compiler-macro popup-menu (&whole form
+ menu &optional position prefix)
+ (if (and (fboundp 'popup-menu)
+ (not (memq 'popup-menu (assoc "lmenu" load-history))))
+ form
+ ;; Gnus is probably running under Emacs 20.
+ `(let* ((menu (cdr ,menu))
+ (response (x-popup-menu
+ t (list (car menu)
+ (cons "" (mapcar (lambda (c)
+ (cons (caddr c) (car c)))
+ (cdr menu)))))))
+ (if response
+ (call-interactively (nth 3 (assq response menu))))))))
+
+ (defun gnus-mime-button-menu (event prefix)
+ "Construct a context-sensitive menu of MIME commands."
+ (interactive "e\nP")
+ (save-window-excursion
+ (let ((pos (event-start event)))
+ (select-window (posn-window pos))
+ (goto-char (posn-point pos))
+ (gnus-article-check-buffer)
+ (popup-menu gnus-mime-button-menu nil prefix))))
+
+ (defun gnus-mime-view-all-parts (&optional handles)
+ "View all the MIME parts."
+ (interactive)
+ (save-current-buffer
+ (set-buffer gnus-article-buffer)
+ (let ((handles (or handles gnus-article-mime-handles))
+ (mail-parse-charset gnus-newsgroup-charset)
+ (mail-parse-ignored-charsets
+ (with-current-buffer gnus-summary-buffer
+ gnus-newsgroup-ignored-charsets)))
+ (when handles
+ (mm-remove-parts handles)
+ (goto-char (point-min))
+ (or (search-forward "\n\n") (goto-char (point-max)))
+ (let (buffer-read-only)
+ (delete-region (point) (point-max))
+ (mm-display-parts handles))))))
+
+ (defun gnus-mime-save-part-and-strip ()
+ "Save the MIME part under point then replace it with an external body."
+ (interactive)
+ (gnus-article-check-buffer)
+ (let* ((data (get-text-property (point) 'gnus-data))
+ file param
+ (handles gnus-article-mime-handles))
+ (if (mm-multiple-handles gnus-article-mime-handles)
+ (error "This function is not implemented"))
+ (setq file (and data (mm-save-part data)))
+ (when file
+ (with-current-buffer (mm-handle-buffer data)
+ (erase-buffer)
+ (insert "Content-Type: " (mm-handle-media-type data))
+ (mml-insert-parameter-string (cdr (mm-handle-type data))
+ '(charset))
+ (insert "\n")
+ (insert "Content-ID: " (message-make-message-id) "\n")
+ (insert "Content-Transfer-Encoding: binary\n")
+ (insert "\n"))
+ (setcdr data
+ (cdr (mm-make-handle nil
+ `("message/external-body"
+ (access-type . "LOCAL-FILE")
+ (name . ,file)))))
+ (set-buffer gnus-summary-buffer)
+ (gnus-article-edit-article
+ `(lambda ()
+ (erase-buffer)
+ (let ((mail-parse-charset (or gnus-article-charset
+ ',gnus-newsgroup-charset))
+ (mail-parse-ignored-charsets
+ (or gnus-article-ignored-charsets
+ ',gnus-newsgroup-ignored-charsets))
+ (mbl mml-buffer-list))
+ (setq mml-buffer-list nil)
+ (insert-buffer gnus-original-article-buffer)
+ (mime-to-mml ',handles)
+ (setq gnus-article-mime-handles nil)
+ (let ((mbl1 mml-buffer-list))
+ (setq mml-buffer-list mbl)
+ (set (make-local-variable 'mml-buffer-list) mbl1))
+ (gnus-make-local-hook 'kill-buffer-hook)
+ (add-hook 'kill-buffer-hook 'mml-destroy-buffers t t)))
+ `(lambda (no-highlight)
+ (let ((mail-parse-charset (or gnus-article-charset
+ ',gnus-newsgroup-charset))
+ (message-options message-options)
+ (message-options-set-recipient)
+ (mail-parse-ignored-charsets
+ (or gnus-article-ignored-charsets
+ ',gnus-newsgroup-ignored-charsets)))
+ (mml-to-mime)
+ (mml-destroy-buffers)
+ (remove-hook 'kill-buffer-hook
+ 'mml-destroy-buffers t)
+ (kill-local-variable 'mml-buffer-list))
+ (gnus-summary-edit-article-done
+ ,(or (mail-header-references gnus-current-headers) "")
+ ,(gnus-group-read-only-p)
+ ,gnus-summary-buffer no-highlight))))))
+
+ (defun gnus-mime-delete-part ()
+ "Delete the MIME part under point.
+ Replace it with some information about the removed part."
+ (interactive)
+ (gnus-article-check-buffer)
+ (unless (and gnus-novice-user
+ (not (gnus-yes-or-no-p
+ "Really delete attachment forever? ")))
+ (let* ((data (get-text-property (point) 'gnus-data))
+ (handles gnus-article-mime-handles)
+ (none "(none)")
+ (description
+ (or
+ (mail-decode-encoded-word-string (or (mm-handle-description data)
+ none))))
+ (filename
+ (or (mail-content-type-get (mm-handle-disposition data) 'filename)
+ none))
+ (type (mm-handle-media-type data)))
+ (if (mm-multiple-handles gnus-article-mime-handles)
+ (error "This function is not implemented"))
+ (with-current-buffer (mm-handle-buffer data)
+ (let ((bsize (format "%s" (buffer-size))))
+ (erase-buffer)
+ (insert
+ (concat
+ ",----\n"
+ "| The following attachment has been deleted:\n"
+ "|\n"
+ "| Type: " type "\n"
+ "| Filename: " filename "\n"
+ "| Size (encoded): " bsize " Byte\n"
+ "| Description: " description "\n"
+ "`----\n"))
+ (setcdr data
+ (cdr (mm-make-handle
+ nil `("text/plain") nil nil
+ (list "attachment")
+ (format "Deleted attachment (%s bytes)" bsize))))))
+ (set-buffer gnus-summary-buffer)
+ ;; FIXME: maybe some of the following code (borrowed from
+ ;; `gnus-mime-save-part-and-strip') isn't necessary?
+ (gnus-article-edit-article
+ `(lambda ()
+ (erase-buffer)
+ (let ((mail-parse-charset (or gnus-article-charset
+ ',gnus-newsgroup-charset))
+ (mail-parse-ignored-charsets
+ (or gnus-article-ignored-charsets
+ ',gnus-newsgroup-ignored-charsets))
+ (mbl mml-buffer-list))
+ (setq mml-buffer-list nil)
+ (insert-buffer gnus-original-article-buffer)
+ (mime-to-mml ',handles)
+ (setq gnus-article-mime-handles nil)
+ (let ((mbl1 mml-buffer-list))
+ (setq mml-buffer-list mbl)
+ (set (make-local-variable 'mml-buffer-list) mbl1))
+ (gnus-make-local-hook 'kill-buffer-hook)
+ (add-hook 'kill-buffer-hook 'mml-destroy-buffers t t)))
+ `(lambda (no-highlight)
+ (let ((mail-parse-charset (or gnus-article-charset
+ ',gnus-newsgroup-charset))
+ (message-options message-options)
+ (message-options-set-recipient)
+ (mail-parse-ignored-charsets
+ (or gnus-article-ignored-charsets
+ ',gnus-newsgroup-ignored-charsets)))
+ (mml-to-mime)
+ (mml-destroy-buffers)
+ (remove-hook 'kill-buffer-hook
+ 'mml-destroy-buffers t)
+ (kill-local-variable 'mml-buffer-list))
+ (gnus-summary-edit-article-done
+ ,(or (mail-header-references gnus-current-headers) "")
+ ,(gnus-group-read-only-p)
+ ,gnus-summary-buffer no-highlight)))))
+ ;; Not in `gnus-mime-save-part-and-strip':
+ (gnus-article-edit-done)
+ (gnus-summary-expand-window)
+ (gnus-summary-show-article))
+
+ (defun gnus-mime-save-part ()
+ "Save the MIME part under point."
+ (interactive)
+ (gnus-article-check-buffer)
+ (let ((data (get-text-property (point) 'gnus-data)))
+ (when data
+ (mm-save-part data))))
+
+ (defun gnus-mime-pipe-part ()
+ "Pipe the MIME part under point to a process."
+ (interactive)
+ (gnus-article-check-buffer)
+ (let ((data (get-text-property (point) 'gnus-data)))
+ (when data
+ (mm-pipe-part data))))
+
+ (defun gnus-mime-view-part ()
+ "Interactively choose a viewing method for the MIME part under point."
+ (interactive)
+ (gnus-article-check-buffer)
+ (let ((data (get-text-property (point) 'gnus-data)))
+ (when data
+ (setq gnus-article-mime-handles
+ (mm-merge-handles
+ gnus-article-mime-handles (setq data (copy-sequence data))))
+ (mm-interactively-view-part data))))
+
+ (defun gnus-mime-view-part-as-type-internal ()
+ (gnus-article-check-buffer)
+ (let* ((name (mail-content-type-get
+ (mm-handle-type (get-text-property (point) 'gnus-data))
+ 'name))
+ (def-type (and name (mm-default-file-encoding name))))
+ (and def-type (cons def-type 0))))
+
+ (defun gnus-mime-view-part-as-type (&optional mime-type)
+ "Choose a MIME media type, and view the part as such."
+ (interactive)
+ (unless mime-type
+ (setq mime-type (completing-read
+ "View as MIME type: "
+ (mapcar #'list (mailcap-mime-types))
+ nil nil
+ (gnus-mime-view-part-as-type-internal))))
+ (gnus-article-check-buffer)
+ (let ((handle (get-text-property (point) 'gnus-data)))
+ (when handle
+ (setq handle
+ (mm-make-handle (mm-handle-buffer handle)
+ (cons mime-type (cdr (mm-handle-type handle)))
+ (mm-handle-encoding handle)
+ (mm-handle-undisplayer handle)
+ (mm-handle-disposition handle)
+ (mm-handle-description handle)
+ nil
+ (mm-handle-id handle)))
+ (setq gnus-article-mime-handles
+ (mm-merge-handles gnus-article-mime-handles handle))
+ (gnus-mm-display-part handle))))
+
+ (eval-when-compile
+ (require 'jka-compr))
+
+ ;; jka-compr.el uses a "sh -c" to direct stderr to err-file, but these days
+ ;; emacs can do that itself.
+ ;;
+ (defun gnus-mime-jka-compr-maybe-uncompress ()
+ "Uncompress the current buffer if `auto-compression-mode' is enabled.
+ The uncompress method used is derived from `buffer-file-name'."
+ (when (and (fboundp 'jka-compr-installed-p)
+ (jka-compr-installed-p))
+ (let ((info (jka-compr-get-compression-info buffer-file-name)))
+ (when info
+ (let ((basename (file-name-nondirectory buffer-file-name))
+ (args (jka-compr-info-uncompress-args info))
+ (prog (jka-compr-info-uncompress-program info))
+ (message (jka-compr-info-uncompress-message info))
+ (err-file (jka-compr-make-temp-name)))
+ (if message
+ (message "%s %s..." message basename))
+ (unwind-protect
+ (unless (memq (apply 'call-process-region
+ (point-min) (point-max)
+ prog
+ t (list t err-file) nil
+ args)
+ jka-compr-acceptable-retval-list)
+ (jka-compr-error prog args basename message err-file))
+ (jka-compr-delete-temp-file err-file)))))))
+
+ (defun gnus-mime-copy-part (&optional handle)
+ "Put the MIME part under point into a new buffer.
+ If `auto-compression-mode' is enabled, compressed files like .gz and .bz2
+ are decompressed."
+ (interactive)
+ (gnus-article-check-buffer)
+ (let* ((handle (or handle (get-text-property (point) 'gnus-data)))
+ (contents (and handle (mm-get-part handle)))
+ (base (and handle
+ (file-name-nondirectory
+ (or
+ (mail-content-type-get (mm-handle-type handle) 'name)
+ (mail-content-type-get (mm-handle-disposition handle)
+ 'filename)
+ "*decoded*"))))
+ (buffer (and base (generate-new-buffer base))))
+ (when contents
+ (switch-to-buffer buffer)
+ (insert contents)
+ ;; We do it this way to make `normal-mode' set the appropriate mode.
+ (unwind-protect
+ (progn
+ (setq buffer-file-name (expand-file-name base))
+ (gnus-mime-jka-compr-maybe-uncompress)
+ (normal-mode))
+ (setq buffer-file-name nil))
+ (goto-char (point-min)))))
+
+ (defun gnus-mime-print-part (&optional handle filename)
+ "Print the MIME part under point."
+ (interactive (list nil (ps-print-preprint current-prefix-arg)))
+ (gnus-article-check-buffer)
+ (let* ((handle (or handle (get-text-property (point) 'gnus-data)))
+ (contents (and handle (mm-get-part handle)))
+ (file (mm-make-temp-file (expand-file-name "mm." mm-tmp-directory)))
+ (printer (mailcap-mime-info (mm-handle-media-type handle) "print")))
+ (when contents
+ (if printer
+ (unwind-protect
+ (progn
+ (mm-save-part-to-file handle file)
+ (call-process shell-file-name nil
+ (generate-new-buffer " *mm*")
+ nil
+ shell-command-switch
+ (mm-mailcap-command
+ printer file (mm-handle-type handle))))
+ (delete-file file))
+ (with-temp-buffer
+ (insert contents)
+ (gnus-print-buffer))
+ (ps-despool filename)))))
+
+ (defun gnus-mime-inline-part (&optional handle arg)
+ "Insert the MIME part under point into the current buffer."
+ (interactive (list nil current-prefix-arg))
+ (gnus-article-check-buffer)
+ (let* ((handle (or handle (get-text-property (point) 'gnus-data)))
+ contents charset
+ (b (point))
+ buffer-read-only)
+ (when handle
+ (if (and (not arg) (mm-handle-undisplayer handle))
+ (mm-remove-part handle)
+ (setq contents (mm-get-part handle))
+ (cond
+ ((not arg)
+ (setq charset (or (mail-content-type-get
+ (mm-handle-type handle) 'charset)
+ gnus-newsgroup-charset)))
+ ((numberp arg)
+ (if (mm-handle-undisplayer handle)
+ (mm-remove-part handle))
+ (setq charset
+ (or (cdr (assq arg
+ gnus-summary-show-article-charset-alist))
+ (mm-read-coding-system "Charset: ")))))
+ (forward-line 2)
+ (mm-insert-inline handle
+ (if (and charset
+ (setq charset (mm-charset-to-coding-system
+ charset))
+ (not (eq charset 'ascii)))
+ (mm-decode-coding-string contents charset)
+ contents))
+ (goto-char b)))))
+
+ (defun gnus-mime-view-part-as-charset (&optional handle arg)
+ "Insert the MIME part under point into the current buffer using the
+ specified charset."
+ (interactive (list nil current-prefix-arg))
+ (gnus-article-check-buffer)
+ (let* ((handle (or handle (get-text-property (point) 'gnus-data)))
+ contents charset
+ (b (point))
+ buffer-read-only)
+ (when handle
+ (if (mm-handle-undisplayer handle)
+ (mm-remove-part handle))
+ (let ((gnus-newsgroup-charset
+ (or (cdr (assq arg
+ gnus-summary-show-article-charset-alist))
+ (mm-read-coding-system "Charset: ")))
+ (gnus-newsgroup-ignored-charsets 'gnus-all))
+ (gnus-article-press-button)))))
+
+ (defun gnus-mime-view-part-externally (&optional handle)
+ "View the MIME part under point with an external viewer."
+ (interactive)
+ (gnus-article-check-buffer)
+ (let* ((handle (or handle (get-text-property (point) 'gnus-data)))
+ (mm-user-display-methods nil)
+ (mm-inlined-types nil)
+ (mail-parse-charset gnus-newsgroup-charset)
+ (mail-parse-ignored-charsets
+ (save-excursion (set-buffer gnus-summary-buffer)
+ gnus-newsgroup-ignored-charsets)))
+ (when handle
+ (if (mm-handle-undisplayer handle)
+ (mm-remove-part handle)
+ (mm-display-part handle)))))
+
+ (defun gnus-mime-view-part-internally (&optional handle)
+ "View the MIME part under point with an internal viewer.
+ If no internal viewer is available, use an external viewer."
+ (interactive)
+ (gnus-article-check-buffer)
+ (let* ((handle (or handle (get-text-property (point) 'gnus-data)))
+ (mm-inlined-types '(".*"))
+ (mm-inline-large-images t)
+ (mail-parse-charset gnus-newsgroup-charset)
+ (mail-parse-ignored-charsets
+ (save-excursion (set-buffer gnus-summary-buffer)
+ gnus-newsgroup-ignored-charsets))
+ buffer-read-only)
+ (when handle
+ (if (mm-handle-undisplayer handle)
+ (mm-remove-part handle)
+ (mm-display-part handle)))))
+
+ (defun gnus-mime-action-on-part (&optional action)
+ "Do something with the MIME attachment at \(point\)."
+ (interactive
+ (list (completing-read "Action: " gnus-mime-action-alist nil t)))
+ (gnus-article-check-buffer)
+ (let ((action-pair (assoc action gnus-mime-action-alist)))
+ (if action-pair
+ (funcall (cdr action-pair)))))
+
+ (defun gnus-article-part-wrapper (n function)
+ (save-current-buffer
+ (set-buffer gnus-article-buffer)
+ (when (> n (length gnus-article-mime-handle-alist))
+ (error "No such part"))
+ (gnus-article-goto-part n)
+ (let ((handle (cdr (assq n gnus-article-mime-handle-alist))))
+ (funcall function handle))))
+
+ (defun gnus-article-pipe-part (n)
+ "Pipe MIME part N, which is the numerical prefix."
+ (interactive "p")
+ (gnus-article-part-wrapper n 'mm-pipe-part))
+
+ (defun gnus-article-save-part (n)
+ "Save MIME part N, which is the numerical prefix."
+ (interactive "p")
+ (gnus-article-part-wrapper n 'mm-save-part))
+
+ (defun gnus-article-interactively-view-part (n)
+ "View MIME part N interactively, which is the numerical prefix."
+ (interactive "p")
+ (gnus-article-part-wrapper n 'mm-interactively-view-part))
+
+ (defun gnus-article-copy-part (n)
+ "Copy MIME part N, which is the numerical prefix."
+ (interactive "p")
+ (gnus-article-part-wrapper n 'gnus-mime-copy-part))
+
+ (defun gnus-article-view-part-as-charset (n)
+ "View MIME part N using a specified charset.
+ N is the numerical prefix."
+ (interactive "p")
+ (gnus-article-part-wrapper n 'gnus-mime-view-part-as-charset))
+
+ (defun gnus-article-view-part-externally (n)
+ "View MIME part N externally, which is the numerical prefix."
+ (interactive "p")
+ (gnus-article-part-wrapper n 'gnus-mime-view-part-externally))
+
+ (defun gnus-article-inline-part (n)
+ "Inline MIME part N, which is the numerical prefix."
+ (interactive "p")
+ (gnus-article-part-wrapper n 'gnus-mime-inline-part))
+
+ (defun gnus-article-mime-match-handle-first (condition)
+ (if condition
+ (let ((alist gnus-article-mime-handle-alist) ihandle n)
+ (while (setq ihandle (pop alist))
+ (if (and (cond
+ ((functionp condition)
+ (funcall condition (cdr ihandle)))
+ ((eq condition 'undisplayed)
+ (not (or (mm-handle-undisplayer (cdr ihandle))
+ (equal (mm-handle-media-type (cdr ihandle))
+ "multipart/alternative"))))
+ ((eq condition 'undisplayed-alternative)
+ (not (mm-handle-undisplayer (cdr ihandle))))
+ (t t))
+ (gnus-article-goto-part (car ihandle))
+ (or (not n) (< (car ihandle) n)))
+ (setq n (car ihandle))))
+ (or n 1))
+ 1))
+
+ (defun gnus-article-view-part (&optional n)
+ "View MIME part N, which is the numerical prefix."
+ (interactive "P")
+ (save-current-buffer
+ (set-buffer gnus-article-buffer)
+ (or (numberp n) (setq n (gnus-article-mime-match-handle-first
+ gnus-article-mime-match-handle-function)))
+ (when (> n (length gnus-article-mime-handle-alist))
+ (error "No such part"))
+ (let ((handle (cdr (assq n gnus-article-mime-handle-alist))))
+ (when (gnus-article-goto-part n)
+ (if (equal (car handle) "multipart/alternative")
+ (gnus-article-press-button)
+ (when (eq (gnus-mm-display-part handle) 'internal)
+ (gnus-set-window-start)))))))
+
+ (defsubst gnus-article-mime-total-parts ()
+ (if (bufferp (car gnus-article-mime-handles))
+ 1 ;; single part
+ (1- (length gnus-article-mime-handles))))
+
+ (defun gnus-mm-display-part (handle)
+ "Display HANDLE and fix MIME button."
+ (let ((id (get-text-property (point) 'gnus-part))
+ (point (point))
+ buffer-read-only)
+ (forward-line 1)
+ (prog1
+ (let ((window (selected-window))
+ (mail-parse-charset gnus-newsgroup-charset)
+ (mail-parse-ignored-charsets
+ (if (gnus-buffer-live-p gnus-summary-buffer)
+ (save-excursion
+ (set-buffer gnus-summary-buffer)
+ gnus-newsgroup-ignored-charsets)
+ nil)))
+ (save-excursion
+ (unwind-protect
+ (let ((win (gnus-get-buffer-window (current-buffer) t))
+ (beg (point)))
+ (when win
+ (select-window win))
+ (goto-char point)
+ (forward-line)
+ (if (mm-handle-displayed-p handle)
+ ;; This will remove the part.
+ (mm-display-part handle)
+ (save-restriction
+ (narrow-to-region (point)
+ (if (eobp) (point) (1+ (point))))
+ (mm-display-part handle)
+ ;; We narrow to the part itself and
+ ;; then call the treatment functions.
+ (goto-char (point-min))
+ (forward-line 1)
+ (narrow-to-region (point) (point-max))
+ (gnus-treat-article
+ nil id
+ (gnus-article-mime-total-parts)
+ (mm-handle-media-type handle)))))
+ (if (window-live-p window)
+ (select-window window)))))
+ (goto-char point)
+ (gnus-delete-line)
+ (gnus-insert-mime-button
+ handle id (list (mm-handle-displayed-p handle)))
+ (goto-char point))))
+
+ (defun gnus-article-goto-part (n)
+ "Go to MIME part N."
+ (gnus-goto-char (text-property-any (point-min) (point-max) 'gnus-part n)))
+
+ (defun gnus-insert-mime-button (handle gnus-tmp-id &optional displayed)
+ (let ((gnus-tmp-name
+ (or (mail-content-type-get (mm-handle-type handle) 'name)
+ (mail-content-type-get (mm-handle-disposition handle) 'filename)
+ (mail-content-type-get (mm-handle-type handle) 'url)
+ ""))
+ (gnus-tmp-type (mm-handle-media-type handle))
+ (gnus-tmp-description
+ (mail-decode-encoded-word-string (or (mm-handle-description handle)
+ "")))
+ (gnus-tmp-dots
+ (if (if displayed (car displayed)
+ (mm-handle-displayed-p handle))
+ "" "..."))
+ (gnus-tmp-length (with-current-buffer (mm-handle-buffer handle)
+ (buffer-size)))
+ gnus-tmp-type-long b e)
+ (when (string-match ".*/" gnus-tmp-name)
+ (setq gnus-tmp-name (replace-match "" t t gnus-tmp-name)))
+ (setq gnus-tmp-type-long (concat gnus-tmp-type
+ (and (not (equal gnus-tmp-name ""))
+ (concat "; " gnus-tmp-name))))
+ (unless (equal gnus-tmp-description "")
+ (setq gnus-tmp-type-long (concat " --- " gnus-tmp-type-long)))
+ (unless (bolp)
+ (insert "\n"))
+ (setq b (point))
+ (gnus-eval-format
+ gnus-mime-button-line-format gnus-mime-button-line-format-alist
+ `(,@(gnus-local-map-property gnus-mime-button-map)
+ gnus-callback gnus-mm-display-part
+ gnus-part ,gnus-tmp-id
+ article-type annotation
+ gnus-data ,handle))
+ (setq e (if (bolp)
+ ;; Exclude a newline.
+ (1- (point))
+ (point)))
+ (widget-convert-button
+ 'link b e
+ :mime-handle handle
+ :action 'gnus-widget-press-button
+ :button-keymap gnus-mime-button-map
+ :help-echo
+ (lambda (widget/window &optional overlay pos)
+ ;; Needed to properly clear the message due to a bug in
+ ;; wid-edit (XEmacs only).
+ (if (boundp 'help-echo-owns-message)
+ (setq help-echo-owns-message t))
+ (format
+ "%S: %s the MIME part; %S: more options"
+ (aref gnus-mouse-2 0)
+ ;; XEmacs will get a single widget arg; Emacs 21 will get
+ ;; window, overlay, position.
+ (if (mm-handle-displayed-p
+ (if overlay
+ (with-current-buffer (gnus-overlay-buffer overlay)
+ (widget-get (widget-at (gnus-overlay-start overlay))
+ :mime-handle))
+ (widget-get widget/window :mime-handle)))
+ "hide" "show")
+ (aref gnus-down-mouse-3 0))))))
+
+ (defun gnus-widget-press-button (elems el)
+ (goto-char (widget-get elems :from))
+ (gnus-article-press-button))
+
+ (defvar gnus-displaying-mime nil)
+
+ (defun gnus-display-mime (&optional ihandles)
+ "Display the MIME parts."
+ (save-excursion
+ (save-selected-window
+ (let ((window (get-buffer-window gnus-article-buffer))
+ (point (point)))
+ (when window
+ (select-window window)
+ ;; We have to do this since selecting the window
+ ;; may change the point. So we set the window point.
+ (set-window-point window point)))
+ (let* ((handles (or ihandles
+ (mm-dissect-buffer nil gnus-article-loose-mime)
+ (and gnus-article-emulate-mime
+ (mm-uu-dissect))))
+ buffer-read-only handle name type b e display)
+ (when (and (not ihandles)
+ (not gnus-displaying-mime))
+ ;; Top-level call; we clean up.
+ (when gnus-article-mime-handles
+ (mm-destroy-parts gnus-article-mime-handles)
+ (setq gnus-article-mime-handle-alist nil));; A trick.
+ (setq gnus-article-mime-handles handles)
+ ;; We allow users to glean info from the handles.
+ (when gnus-article-mime-part-function
+ (gnus-mime-part-function handles)))
+ (if (and handles
+ (or (not (stringp (car handles)))
+ (cdr handles)))
+ (progn
+ (when (and (not ihandles)
+ (not gnus-displaying-mime))
+ ;; Clean up for mime parts.
+ (article-goto-body)
+ (delete-region (point) (point-max)))
+ (let ((gnus-displaying-mime t))
+ (gnus-mime-display-part handles)))
+ (save-restriction
+ (article-goto-body)
+ (narrow-to-region (point) (point-max))
+ (gnus-treat-article nil 1 1)
+ (widen)))
+ (unless ihandles
+ ;; Highlight the headers.
+ (save-excursion
+ (save-restriction
+ (article-goto-body)
+ (narrow-to-region (point-min) (point))
+ (gnus-treat-article 'head))))))))
+
+ (defcustom gnus-mime-display-multipart-as-mixed nil
+ "Display \"multipart\" parts as \"multipart/mixed\".
+
+ If t, it overrides nil values of
+ `gnus-mime-display-multipart-alternative-as-mixed' and
+ `gnus-mime-display-multipart-related-as-mixed'."
+ :group 'gnus-article-mime
+ :type 'boolean)
+
+ (defcustom gnus-mime-display-multipart-alternative-as-mixed nil
+ "Display \"multipart/alternative\" parts as \"multipart/mixed\"."
+ :group 'gnus-article-mime
+ :type 'boolean)
+
+ (defcustom gnus-mime-display-multipart-related-as-mixed nil
+ "Display \"multipart/related\" parts as \"multipart/mixed\".
+
+ If displaying \"text/html\" is discouraged \(see
+ `mm-discouraged-alternatives'\) images or other material inside a
+ \"multipart/related\" part might be overlooked when this variable is nil."
+ :group 'gnus-article-mime
+ :type 'boolean)
+
+ (defun gnus-mime-display-part (handle)
+ (cond
+ ;; Single part.
+ ((not (stringp (car handle)))
+ (gnus-mime-display-single handle))
+ ;; User-defined multipart
+ ((cdr (assoc (car handle) gnus-mime-multipart-functions))
+ (funcall (cdr (assoc (car handle) gnus-mime-multipart-functions))
+ handle))
+ ;; multipart/alternative
+ ((and (equal (car handle) "multipart/alternative")
+ (not (or gnus-mime-display-multipart-as-mixed
+ gnus-mime-display-multipart-alternative-as-mixed)))
+ (let ((id (1+ (length gnus-article-mime-handle-alist))))
+ (push (cons id handle) gnus-article-mime-handle-alist)
+ (gnus-mime-display-alternative (cdr handle) nil nil id)))
+ ;; multipart/related
+ ((and (equal (car handle) "multipart/related")
+ (not (or gnus-mime-display-multipart-as-mixed
+ gnus-mime-display-multipart-related-as-mixed)))
+ ;;;!!!We should find the start part, but we just default
+ ;;;!!!to the first part.
+ ;;(gnus-mime-display-part (cadr handle))
+ ;;;!!! Most multipart/related is an HTML message plus images.
+ ;;;!!! Unfortunately we are unable to let W3 display those
+ ;;;!!! included images, so we just display it as a mixed multipart.
+ ;;(gnus-mime-display-mixed (cdr handle))
+ ;;;!!! No, w3 can display everything just fine.
+ (gnus-mime-display-part (cadr handle)))
+ ((equal (car handle) "multipart/signed")
+ (gnus-add-wash-type 'signed)
+ (gnus-mime-display-security handle))
+ ((equal (car handle) "multipart/encrypted")
+ (gnus-add-wash-type 'encrypted)
+ (gnus-mime-display-security handle))
+ ;; Other multiparts are handled like multipart/mixed.
+ (t
+ (gnus-mime-display-mixed (cdr handle)))))
+
+ (defun gnus-mime-part-function (handles)
+ (if (stringp (car handles))
+ (mapcar 'gnus-mime-part-function (cdr handles))
+ (funcall gnus-article-mime-part-function handles)))
+
+ (defun gnus-mime-display-mixed (handles)
+ (mapcar 'gnus-mime-display-part handles))
+
+ (defun gnus-mime-display-single (handle)
+ (let ((type (mm-handle-media-type handle))
+ (ignored gnus-ignored-mime-types)
+ (not-attachment t)
+ (move nil)
+ display text)
+ (catch 'ignored
+ (progn
+ (while ignored
+ (when (string-match (pop ignored) type)
+ (throw 'ignored nil)))
+ (if (and (setq not-attachment
+ (and (not (mm-inline-override-p handle))
+ (or (not (mm-handle-disposition handle))
+ (equal (car (mm-handle-disposition handle))
+ "inline")
+ (mm-attachment-override-p handle))))
+ (mm-automatic-display-p handle)
+ (or (and
+ (mm-inlinable-p handle)
+ (mm-inlined-p handle))
+ (mm-automatic-external-display-p type)))
+ (setq display t)
+ (when (equal (mm-handle-media-supertype handle) "text")
+ (setq text t)))
+ (let ((id (1+ (length gnus-article-mime-handle-alist)))
+ beg)
+ (push (cons id handle) gnus-article-mime-handle-alist)
+ (when (or (not display)
+ (not (gnus-unbuttonized-mime-type-p type)))
+ ;(gnus-article-insert-newline)
+ (gnus-insert-mime-button
+ handle id (list (or display (and not-attachment text))))
+ (gnus-article-insert-newline)
+ ;(gnus-article-insert-newline)
+ ;; Remember modify the number of forward lines.
+ (setq move t))
+ (setq beg (point))
+ (cond
+ (display
+ (when move
+ (forward-line -1)
+ (setq beg (point)))
+ (let ((mail-parse-charset gnus-newsgroup-charset)
+ (mail-parse-ignored-charsets
+ (save-excursion (condition-case ()
+ (set-buffer gnus-summary-buffer)
+ (error))
+ gnus-newsgroup-ignored-charsets)))
+ (mm-display-part handle t))
+ (goto-char (point-max)))
+ ((and text not-attachment)
+ (when move
+ (forward-line -1)
+ (setq beg (point)))
+ (gnus-article-insert-newline)
+ (mm-insert-inline handle (mm-get-part handle))
+ (goto-char (point-max))))
+ ;; Do highlighting.
+ (save-excursion
+ (save-restriction
+ (narrow-to-region beg (point))
+ (gnus-treat-article
+ nil id
+ (gnus-article-mime-total-parts)
+ (mm-handle-media-type handle)))))))))
+
+ (defun gnus-unbuttonized-mime-type-p (type)
+ "Say whether TYPE is to be unbuttonized."
+ (unless gnus-inhibit-mime-unbuttonizing
+ (when (catch 'found
+ (let ((types gnus-unbuttonized-mime-types))
+ (while types
+ (when (string-match (pop types) type)
+ (throw 'found t)))))
+ (not (catch 'found
+ (let ((types gnus-buttonized-mime-types))
+ (while types
+ (when (string-match (pop types) type)
+ (throw 'found t)))))))))
+
+ (defun gnus-article-insert-newline ()
+ "Insert a newline, but mark it as undeletable."
+ (gnus-put-text-property
+ (point) (progn (insert "\n") (point)) 'gnus-undeletable t))
+
+ (defun gnus-mime-display-alternative (handles &optional preferred ibegend id)
+ (let* ((preferred (or preferred (mm-preferred-alternative handles)))
+ (ihandles handles)
+ (point (point))
+ handle buffer-read-only from props begend not-pref)
+ (save-window-excursion
+ (save-restriction
+ (when ibegend
+ (narrow-to-region (car ibegend)
+ (or (cdr ibegend)
+ (progn
+ (goto-char (car ibegend))
+ (forward-line 2)
+ (point))))
+ (delete-region (point-min) (point-max))
+ (mm-remove-parts handles))
+ (setq begend (list (point-marker)))
+ ;; Do the toggle.
+ (unless (setq not-pref (cadr (member preferred ihandles)))
+ (setq not-pref (car ihandles)))
+ (when (or ibegend
+ (not preferred)
+ (not (gnus-unbuttonized-mime-type-p
+ "multipart/alternative")))
+ (gnus-add-text-properties
+ (setq from (point))
+ (progn
+ (insert (format "%d. " id))
+ (point))
+ `(gnus-callback
+ (lambda (handles)
+ (unless ,(not ibegend)
+ (setq gnus-article-mime-handle-alist
+ ',gnus-article-mime-handle-alist))
+ (gnus-mime-display-alternative
+ ',ihandles ',not-pref ',begend ,id))
+ ,@(gnus-local-map-property gnus-mime-button-map)
+ ,gnus-mouse-face-prop ,gnus-article-mouse-face
+ face ,gnus-article-button-face
+ gnus-part ,id
+ gnus-data ,handle))
+ (widget-convert-button 'link from (point)
+ :action 'gnus-widget-press-button
+ :button-keymap gnus-widget-button-keymap)
+ ;; Do the handles
+ (while (setq handle (pop handles))
+ (gnus-add-text-properties
+ (setq from (point))
+ (progn
+ (insert (format "(%c) %-18s"
+ (if (equal handle preferred) ?* ? )
+ (mm-handle-media-type handle)))
+ (point))
+ `(gnus-callback
+ (lambda (handles)
+ (unless ,(not ibegend)
+ (setq gnus-article-mime-handle-alist
+ ',gnus-article-mime-handle-alist))
+ (gnus-mime-display-alternative
+ ',ihandles ',handle ',begend ,id))
+ ,@(gnus-local-map-property gnus-mime-button-map)
+ ,gnus-mouse-face-prop ,gnus-article-mouse-face
+ face ,gnus-article-button-face
+ gnus-part ,id
+ gnus-data ,handle))
+ (widget-convert-button 'link from (point)
+ :action 'gnus-widget-press-button
+ :button-keymap gnus-widget-button-keymap)
+ (insert " "))
+ (insert "\n\n"))
+ (when preferred
+ (if (stringp (car preferred))
+ (gnus-display-mime preferred)
+ (let ((mail-parse-charset gnus-newsgroup-charset)
+ (mail-parse-ignored-charsets
+ (save-excursion (set-buffer gnus-summary-buffer)
+ gnus-newsgroup-ignored-charsets)))
+ (mm-display-part preferred)
+ ;; Do highlighting.
+ (save-excursion
+ (save-restriction
+ (narrow-to-region (car begend) (point-max))
+ (gnus-treat-article
+ nil (length gnus-article-mime-handle-alist)
+ (gnus-article-mime-total-parts)
+ (mm-handle-media-type handle))))))
+ (goto-char (point-max))
+ (setcdr begend (point-marker)))))
+ (when ibegend
+ (goto-char point))))
+
+ (defconst gnus-article-wash-status-strings
+ (let ((alist '((cite "c" "Possible hidden citation text"
+ " " "All citation text visible")
+ (headers "h" "Hidden headers"
+ " " "All headers visible.")
+ (pgp "p" "Encrypted or signed message status hidden"
+ " " "No hidden encryption nor digital signature status")
+ (signature "s" "Signature has been hidden"
+ " " "Signature is visible")
+ (overstrike "o" "Overstrike (^H) characters applied"
+ " " "No overstrike characters applied")
+ (emphasis "e" "/*_Emphasis_*/ characters applied"
+ " " "No /*_emphasis_*/ characters applied")))
+ result)
+ (dolist (entry alist result)
+ (let ((key (nth 0 entry))
+ (on (copy-sequence (nth 1 entry)))
+ (on-help (nth 2 entry))
+ (off (copy-sequence (nth 3 entry)))
+ (off-help (nth 4 entry)))
+ (put-text-property 0 1 'help-echo on-help on)
+ (put-text-property 0 1 'help-echo off-help off)
+ (push (list key on off) result))))
+ "Alist of strings describing wash status in the mode line.
+ Each entry has the form (KEY ON OF), where the KEY is a symbol
+ representing the particular washing function, ON is the string to use
+ in the article mode line when the washing function is active, and OFF
+ is the string to use when it is inactive.")
+
+ (defun gnus-article-wash-status-entry (key value)
+ (let ((entry (assoc key gnus-article-wash-status-strings)))
+ (if value (nth 1 entry) (nth 2 entry))))
+
+ (defun gnus-article-wash-status ()
+ "Return a string which display status of article washing."
+ (save-excursion
+ (set-buffer gnus-article-buffer)
+ (let ((cite (memq 'cite gnus-article-wash-types))
+ (headers (memq 'headers gnus-article-wash-types))
+ (boring (memq 'boring-headers gnus-article-wash-types))
+ (pgp (memq 'pgp gnus-article-wash-types))
+ (pem (memq 'pem gnus-article-wash-types))
+ (signed (memq 'signed gnus-article-wash-types))
+ (encrypted (memq 'encrypted gnus-article-wash-types))
+ (signature (memq 'signature gnus-article-wash-types))
+ (overstrike (memq 'overstrike gnus-article-wash-types))
+ (emphasis (memq 'emphasis gnus-article-wash-types)))
+ (concat
+ (gnus-article-wash-status-entry 'cite cite)
+ (gnus-article-wash-status-entry 'headers (or headers boring))
+ (gnus-article-wash-status-entry 'pgp (or pgp pem signed encrypted))
+ (gnus-article-wash-status-entry 'signature signature)
+ (gnus-article-wash-status-entry 'overstrike overstrike)
+ (gnus-article-wash-status-entry 'emphasis emphasis)))))
+
+ (defun gnus-add-wash-type (type)
+ "Add a washing of TYPE to the current status."
+ (add-to-list 'gnus-article-wash-types type))
+
+ (defun gnus-delete-wash-type (type)
+ "Add a washing of TYPE to the current status."
+ (setq gnus-article-wash-types (delq type gnus-article-wash-types)))
+
+ (defun gnus-add-image (category image)
+ "Add IMAGE of CATEGORY to the list of displayed images."
+ (let ((entry (assq category gnus-article-image-alist)))
+ (unless entry
+ (setq entry (list category))
+ (push entry gnus-article-image-alist))
+ (nconc entry (list image))))
+
+ (defun gnus-delete-images (category)
+ "Delete all images in CATEGORY."
+ (let ((entry (assq category gnus-article-image-alist)))
+ (dolist (image (cdr entry))
+ (gnus-remove-image image category))
+ (setq gnus-article-image-alist (delq entry gnus-article-image-alist))
+ (gnus-delete-wash-type category)))
+
+ (defalias 'gnus-article-hide-headers-if-wanted
'gnus-article-maybe-hide-headers)
+
+ (defun gnus-article-maybe-hide-headers ()
+ "Hide unwanted headers if `gnus-have-all-headers' is nil.
+ Provided for backwards compatibility."
+ (when (and (or (not (gnus-buffer-live-p gnus-summary-buffer))
+ (not (save-excursion (set-buffer gnus-summary-buffer)
+ gnus-have-all-headers)))
+ (not gnus-inhibit-hiding))
+ (gnus-article-hide-headers)))
+
+ ;;; Article savers.
+
+ (defun gnus-output-to-file (file-name)
+ "Append the current article to a file named FILE-NAME."
+ (let ((artbuf (current-buffer)))
+ (with-temp-buffer
+ (insert-buffer-substring artbuf)
+ ;; Append newline at end of the buffer as separator, and then
+ ;; save it to file.
+ (goto-char (point-max))
+ (insert "\n")
+ (let ((file-name-coding-system nnmail-pathname-coding-system))
+ (mm-append-to-file (point-min) (point-max) file-name))
+ t)))
+
+ (defun gnus-narrow-to-page (&optional arg)
+ "Narrow the article buffer to a page.
+ If given a numerical ARG, move forward ARG pages."
+ (interactive "P")
+ (setq arg (if arg (prefix-numeric-value arg) 0))
+ (save-excursion
+ (set-buffer gnus-article-buffer)
+ (goto-char (point-min))
+ (widen)
+ ;; Remove any old next/prev buttons.
+ (when (gnus-visual-p 'page-marker)
+ (let ((buffer-read-only nil))
+ (gnus-remove-text-with-property 'gnus-prev)
+ (gnus-remove-text-with-property 'gnus-next)))
+ (if
+ (cond ((< arg 0)
+ (re-search-backward page-delimiter nil 'move (1+ (abs arg))))
+ ((> arg 0)
+ (re-search-forward page-delimiter nil 'move arg)))
+ (goto-char (match-end 0))
+ (save-excursion
+ (goto-char (point-min))
+ (setq gnus-page-broken
+ (and (re-search-forward page-delimiter nil t) t))))
+ (when gnus-page-broken
+ (narrow-to-region
+ (point)
+ (if (re-search-forward page-delimiter nil 'move)
+ (match-beginning 0)
+ (point)))
+ (when (and (gnus-visual-p 'page-marker)
+ (not (= (point-min) 1)))
+ (save-excursion
+ (goto-char (point-min))
+ (gnus-insert-prev-page-button)))
+ (when (and (gnus-visual-p 'page-marker)
+ (< (+ (point-max) 2) (buffer-size)))
+ (save-excursion
+ (goto-char (point-max))
+ (gnus-insert-next-page-button))))))
+
+ ;; Article mode commands
+
+ (defun gnus-article-goto-next-page ()
+ "Show the next page of the article."
+ (interactive)
+ (when (gnus-article-next-page)
+ (goto-char (point-min))
+ (gnus-article-read-summary-keys nil (gnus-character-to-event ?n))))
+
+
+ (defun gnus-article-goto-prev-page ()
+ "Show the previous page of the article."
+ (interactive)
+ (if (bobp)
+ (gnus-article-read-summary-keys nil (gnus-character-to-event ?p))
+ (gnus-article-prev-page nil)))
+
+ ;; This is cleaner but currently breaks `gnus-pick-mode':
+ ;;
+ ;; (defun gnus-article-goto-next-page ()
+ ;; "Show the next page of the article."
+ ;; (interactive)
+ ;; (gnus-eval-in-buffer-window gnus-summary-buffer
+ ;; (gnus-summary-next-page)))
+ ;;
+ ;; (defun gnus-article-goto-prev-page ()
+ ;; "Show the next page of the article."
+ ;; (interactive)
+ ;; (gnus-eval-in-buffer-window gnus-summary-buffer
+ ;; (gnus-summary-prev-page)))
+
+ (defun gnus-article-next-page (&optional lines)
+ "Show the next page of the current article.
+ If end of article, return non-nil. Otherwise return nil.
+ Argument LINES specifies lines to be scrolled up."
+ (interactive "p")
+ (move-to-window-line -1)
+ (if (save-excursion
+ (end-of-line)
+ (and (pos-visible-in-window-p) ;Not continuation line.
+ (>= (1+ (point)) (point-max)))) ;Allow for trailing newline.
+ ;; Nothing in this page.
+ (if (or (not gnus-page-broken)
+ (save-excursion
+ (save-restriction
+ (widen)
+ (eobp)))) ;Real end-of-buffer?
+ (progn
+ (when gnus-article-over-scroll
+ (gnus-article-next-page-1 lines))
+ t) ;Nothing more.
+ (gnus-narrow-to-page 1) ;Go to next page.
+ nil)
+ ;; More in this page.
+ (gnus-article-next-page-1 lines)
+ nil))
+
+ (defun gnus-article-next-page-1 (lines)
+ (let ((scroll-in-place nil))
+ (condition-case ()
+ (scroll-up lines)
+ (end-of-buffer
+ ;; Long lines may cause an end-of-buffer error.
+ (goto-char (point-max)))))
+ (move-to-window-line 0))
+
+ (defun gnus-article-prev-page (&optional lines)
+ "Show previous page of current article.
+ Argument LINES specifies lines to be scrolled down."
+ (interactive "p")
+ (move-to-window-line 0)
+ (if (and gnus-page-broken
+ (bobp)
+ (not (save-restriction (widen) (bobp)))) ;Real beginning-of-buffer?
+ (progn
+ (gnus-narrow-to-page -1) ;Go to previous page.
+ (goto-char (point-max))
+ (recenter -1))
+ (let ((scroll-in-place nil))
+ (prog1
+ (condition-case ()
+ (scroll-down lines)
+ (beginning-of-buffer
+ (goto-char (point-min))))
+ (move-to-window-line 0)))))
+
+ (defun gnus-article-only-boring-p ()
+ "Decide whether there is only boring text remaining in the article.
+ Something \"interesting\" is a word of at least two letters that does
+ not have a face in `gnus-article-boring-faces'."
+ (when (and gnus-article-skip-boring
+ (boundp 'gnus-article-boring-faces)
+ (symbol-value 'gnus-article-boring-faces))
+ (save-excursion
+ (catch 'only-boring
+ (while (re-search-forward "\\b\\w\\w" nil t)
+ (forward-char -1)
+ (when (not (gnus-intersection
+ (gnus-faces-at (point))
+ (symbol-value 'gnus-article-boring-faces)))
+ (throw 'only-boring nil)))
+ (throw 'only-boring t)))))
+
+ (defun gnus-article-refer-article ()
+ "Read article specified by message-id around point."
+ (interactive)
+ (save-excursion
+ (re-search-backward "[ \t]\\|^" (gnus-point-at-bol) t)
+ (re-search-forward "<?news:<?\\|<" (gnus-point-at-eol) t)
+ (if (re-search-forward "[^@ address@hidden \t>]+" (gnus-point-at-eol) t)
+ (let ((msg-id (concat "<" (match-string 0) ">")))
+ (set-buffer gnus-summary-buffer)
+ (gnus-summary-refer-article msg-id))
+ (error "No references around point"))))
+
+ (defun gnus-article-show-summary ()
+ "Reconfigure windows to show summary buffer."
+ (interactive)
+ (if (not (gnus-buffer-live-p gnus-summary-buffer))
+ (error "There is no summary buffer for this article buffer")
+ (gnus-article-set-globals)
+ (gnus-configure-windows 'article)
+ (gnus-summary-goto-subject gnus-current-article)
+ (gnus-summary-position-point)))
+
+ (defun gnus-article-describe-briefly ()
+ "Describe article mode commands briefly."
+ (interactive)
+ (gnus-message 6 (substitute-command-keys
"\\<gnus-article-mode-map>\\[gnus-article-goto-next-page]:Next page
\\[gnus-article-goto-prev-page]:Prev page \\[gnus-article-show-summary]:Show
summary \\[gnus-info-find-node]:Run Info
\\[gnus-article-describe-briefly]:This help")))
+
+ (defun gnus-article-summary-command ()
+ "Execute the last keystroke in the summary buffer."
+ (interactive)
+ (let ((obuf (current-buffer))
+ (owin (current-window-configuration))
+ func)
+ (switch-to-buffer gnus-article-current-summary 'norecord)
+ (setq func (lookup-key (current-local-map) (this-command-keys)))
+ (call-interactively func)
+ (set-buffer obuf)
+ (set-window-configuration owin)
+ (set-window-point (get-buffer-window (current-buffer)) (point))))
+
+ (defun gnus-article-summary-command-nosave ()
+ "Execute the last keystroke in the summary buffer."
+ (interactive)
+ (let (func)
+ (pop-to-buffer gnus-article-current-summary 'norecord)
+ (setq func (lookup-key (current-local-map) (this-command-keys)))
+ (call-interactively func)))
+
+ (defun gnus-article-check-buffer ()
+ "Beep if not in an article buffer."
+ (unless (equal major-mode 'gnus-article-mode)
+ (error "Command invoked outside of a Gnus article buffer")))
+
+ (defun gnus-article-read-summary-keys (&optional arg key not-restore-window)
+ "Read a summary buffer key sequence and execute it from the article buffer."
+ (interactive "P")
+ (gnus-article-check-buffer)
+ (let ((nosaves
+ '("q" "Q" "c" "r" "\C-c\C-f" "m" "a" "f"
+ "Zc" "ZC" "ZE" "ZQ" "ZZ" "Zn" "ZR" "ZG" "ZN" "ZP"
+ "=" "^" "\M-^" "|"))
+ (nosave-but-article
+ '("A\r"))
+ (nosave-in-article
+ '("\C-d"))
+ (up-to-top
+ '("n" "Gn" "p" "Gp"))
+ keys new-sum-point)
+ (save-excursion
+ (set-buffer gnus-article-current-summary)
+ (let (gnus-pick-mode)
+ (push (or key last-command-event) unread-command-events)
+ (setq keys (if (featurep 'xemacs)
+ (events-to-keys (read-key-sequence nil))
+ (read-key-sequence nil)))))
+
+ (message "")
+
+ (if (or (member keys nosaves)
+ (member keys nosave-but-article)
+ (member keys nosave-in-article))
+ (let (func)
+ (save-window-excursion
+ (pop-to-buffer gnus-article-current-summary 'norecord)
+ ;; We disable the pick minor mode commands.
+ (let (gnus-pick-mode)
+ (setq func (lookup-key (current-local-map) keys))))
+ (if (or (not func)
+ (numberp func))
+ (ding)
+ (unless (member keys nosave-in-article)
+ (set-buffer gnus-article-current-summary))
+ (call-interactively func)
+ (setq new-sum-point (point)))
+ (when (member keys nosave-but-article)
+ (pop-to-buffer gnus-article-buffer 'norecord)))
+ ;; These commands should restore window configuration.
+ (let ((obuf (current-buffer))
+ (owin (current-window-configuration))
+ (opoint (point))
+ (summary gnus-article-current-summary)
+ func in-buffer selected)
+ (if not-restore-window
+ (pop-to-buffer summary 'norecord)
+ (switch-to-buffer summary 'norecord))
+ (setq in-buffer (current-buffer))
+ ;; We disable the pick minor mode commands.
+ (if (and (setq func (let (gnus-pick-mode)
+ (lookup-key (current-local-map) keys)))
+ (functionp func))
+ (progn
+ (call-interactively func)
+ (setq new-sum-point (point))
+ (when (eq in-buffer (current-buffer))
+ (setq selected (gnus-summary-select-article))
+ (set-buffer obuf)
+ (unless not-restore-window
+ (set-window-configuration owin))
+ (when (eq selected 'old)
+ (article-goto-body)
+ (set-window-start (get-buffer-window (current-buffer))
+ 1)
+ (set-window-point (get-buffer-window (current-buffer))
+ (point)))
+ (let ((win (get-buffer-window gnus-article-current-summary)))
+ (when win
+ (set-window-point win new-sum-point)))) )
+ (switch-to-buffer gnus-article-buffer)
+ (ding))))))
+
+ (defun gnus-article-describe-key (key)
+ "Display documentation of the function invoked by KEY. KEY is a string."
+ (interactive "kDescribe key: ")
+ (gnus-article-check-buffer)
+ (if (eq (key-binding key) 'gnus-article-read-summary-keys)
+ (save-excursion
+ (set-buffer gnus-article-current-summary)
+ (let (gnus-pick-mode)
+ (if (featurep 'xemacs)
+ (progn
+ (push (elt key 0) unread-command-events)
+ (setq key (events-to-keys
+ (read-key-sequence "Describe key: "))))
+ (setq unread-command-events
+ (mapcar
+ (lambda (x) (if (>= x 128) (list 'meta (- x 128)) x))
+ (string-to-list key)))
+ (setq key (read-key-sequence "Describe key: "))))
+ (describe-key key))
+ (describe-key key)))
+
+ (defun gnus-article-describe-key-briefly (key &optional insert)
+ "Display documentation of the function invoked by KEY. KEY is a string."
+ (interactive "kDescribe key: \nP")
+ (gnus-article-check-buffer)
+ (if (eq (key-binding key) 'gnus-article-read-summary-keys)
+ (save-excursion
+ (set-buffer gnus-article-current-summary)
+ (let (gnus-pick-mode)
+ (if (featurep 'xemacs)
+ (progn
+ (push (elt key 0) unread-command-events)
+ (setq key (events-to-keys
+ (read-key-sequence "Describe key: "))))
+ (setq unread-command-events
+ (mapcar
+ (lambda (x) (if (>= x 128) (list 'meta (- x 128)) x))
+ (string-to-list key)))
+ (setq key (read-key-sequence "Describe key: "))))
+ (describe-key-briefly key insert))
+ (describe-key-briefly key insert)))
+
+ (defun gnus-article-reply-with-original (&optional wide)
+ "Start composing a reply mail to the current message.
+ The text in the region will be yanked. If the region isn't active,
+ the entire article will be yanked."
+ (interactive "P")
+ (let ((article (cdr gnus-article-current))
+ contents)
+ (if (not (gnus-mark-active-p))
+ (with-current-buffer gnus-summary-buffer
+ (gnus-summary-reply (list (list article)) wide))
+ (setq contents (buffer-substring (point) (mark t)))
+ ;; Deactivate active regions.
+ (when (and (boundp 'transient-mark-mode)
+ transient-mark-mode)
+ (setq mark-active nil))
+ (with-current-buffer gnus-summary-buffer
+ (gnus-summary-reply
+ (list (list article contents)) wide)))))
+
+ (defun gnus-article-followup-with-original ()
+ "Compose a followup to the current article.
+ The text in the region will be yanked. If the region isn't active,
+ the entire article will be yanked."
+ (interactive)
+ (let ((article (cdr gnus-article-current))
+ contents)
+ (if (not (gnus-mark-active-p))
+ (with-current-buffer gnus-summary-buffer
+ (gnus-summary-followup (list (list article))))
+ (setq contents (buffer-substring (point) (mark t)))
+ ;; Deactivate active regions.
+ (when (and (boundp 'transient-mark-mode)
+ transient-mark-mode)
+ (setq mark-active nil))
+ (with-current-buffer gnus-summary-buffer
+ (gnus-summary-followup
+ (list (list article contents)))))))
+
+ (defun gnus-article-hide (&optional arg force)
+ "Hide all the gruft in the current article.
+ This means that signatures, cited text and (some) headers will be
+ hidden.
+ If given a prefix, show the hidden text instead."
+ (interactive (append (gnus-article-hidden-arg) (list 'force)))
+ (gnus-article-hide-headers arg)
+ (gnus-article-hide-list-identifiers arg)
+ (gnus-article-hide-citation-maybe arg force)
+ (gnus-article-hide-signature arg))
+
+ (defun gnus-article-maybe-highlight ()
+ "Do some article highlighting if article highlighting is requested."
+ (when (gnus-visual-p 'article-highlight 'highlight)
+ (gnus-article-highlight-some)))
+
+ (defun gnus-check-group-server ()
+ ;; Make sure the connection to the server is alive.
+ (unless (gnus-server-opened
+ (gnus-find-method-for-group gnus-newsgroup-name))
+ (gnus-check-server (gnus-find-method-for-group gnus-newsgroup-name))
+ (gnus-request-group gnus-newsgroup-name t)))
+
+ (eval-when-compile
+ (autoload 'nneething-get-file-name "nneething"))
+
+ (defun gnus-request-article-this-buffer (article group)
+ "Get an article and insert it into this buffer."
+ (let (do-update-line sparse-header)
+ (prog1
+ (save-excursion
+ (erase-buffer)
+ (gnus-kill-all-overlays)
+ (setq group (or group gnus-newsgroup-name))
+
+ ;; Using `gnus-request-article' directly will insert the article into
+ ;; `nntp-server-buffer' - so we'll save some time by not having to
+ ;; copy it from the server buffer into the article buffer.
+
+ ;; We only request an article by message-id when we do not have the
+ ;; headers for it, so we'll have to get those.
+ (when (stringp article)
+ (gnus-read-header article))
+
+ ;; If the article number is negative, that means that this article
+ ;; doesn't belong in this newsgroup (possibly), so we find its
+ ;; message-id and request it by id instead of number.
+ (when (and (numberp article)
+ gnus-summary-buffer
+ (get-buffer gnus-summary-buffer)
+ (gnus-buffer-exists-p gnus-summary-buffer))
+ (save-excursion
+ (set-buffer gnus-summary-buffer)
+ (let ((header (gnus-summary-article-header article)))
+ (when (< article 0)
+ (cond
+ ((memq article gnus-newsgroup-sparse)
+ ;; This is a sparse gap article.
+ (setq do-update-line article)
+ (setq article (mail-header-id header))
+ (setq sparse-header (gnus-read-header article))
+ (setq gnus-newsgroup-sparse
+ (delq article gnus-newsgroup-sparse)))
+ ((vectorp header)
+ ;; It's a real article.
+ (setq article (mail-header-id header)))
+ (t
+ ;; It is an extracted pseudo-article.
+ (setq article 'pseudo)
+ (gnus-request-pseudo-article header))))
+
+ (let ((method (gnus-find-method-for-group
+ gnus-newsgroup-name)))
+ (when (and (eq (car method) 'nneething)
+ (vectorp header))
+ (let ((dir (nneething-get-file-name
+ (mail-header-id header))))
+ (when (and (stringp dir)
+ (file-directory-p dir))
+ (setq article 'nneething)
+ (gnus-group-enter-directory dir))))))))
+
+ (cond
+ ;; Refuse to select canceled articles.
+ ((and (numberp article)
+ gnus-summary-buffer
+ (get-buffer gnus-summary-buffer)
+ (gnus-buffer-exists-p gnus-summary-buffer)
+ (eq (cdr (save-excursion
+ (set-buffer gnus-summary-buffer)
+ (assq article gnus-newsgroup-reads)))
+ gnus-canceled-mark))
+ nil)
+ ;; We first check `gnus-original-article-buffer'.
+ ((and (get-buffer gnus-original-article-buffer)
+ (numberp article)
+ (save-excursion
+ (set-buffer gnus-original-article-buffer)
+ (and (equal (car gnus-original-article) group)
+ (eq (cdr gnus-original-article) article))))
+ (insert-buffer-substring gnus-original-article-buffer)
+ 'article)
+ ;; Check the backlog.
+ ((and gnus-keep-backlog
+ (gnus-backlog-request-article group article (current-buffer)))
+ 'article)
+ ;; Check asynchronous pre-fetch.
+ ((gnus-async-request-fetched-article group article (current-buffer))
+ (gnus-async-prefetch-next group article gnus-summary-buffer)
+ (when (and (numberp article) gnus-keep-backlog)
+ (gnus-backlog-enter-article group article (current-buffer)))
+ 'article)
+ ;; Check the cache.
+ ((and gnus-use-cache
+ (numberp article)
+ (gnus-cache-request-article article group))
+ 'article)
+ ;; Check the agent cache.
+ ((gnus-agent-request-article article group)
+ 'article)
+ ;; Get the article and put into the article buffer.
+ ((or (stringp article)
+ (numberp article))
+ (let ((gnus-override-method gnus-override-method)
+ (methods (and (stringp article)
+ gnus-refer-article-method))
+ (backend (car (gnus-find-method-for-group
+ gnus-newsgroup-name)))
+ result
+ (buffer-read-only nil))
+ (if (or (not (listp methods))
+ (and (symbolp (car methods))
+ (assq (car methods) nnoo-definition-alist)))
+ (setq methods (list methods)))
+ (when (and (null gnus-override-method)
+ methods)
+ (setq gnus-override-method (pop methods)))
+ (while (not result)
+ (when (eq gnus-override-method 'current)
+ (setq gnus-override-method
+ (with-current-buffer gnus-summary-buffer
+ gnus-current-select-method)))
+ (erase-buffer)
+ (gnus-kill-all-overlays)
+ (let ((gnus-newsgroup-name group))
+ (gnus-check-group-server))
+ (cond
+ ((gnus-request-article article group (current-buffer))
+ (when (numberp article)
+ (gnus-async-prefetch-next group article
+ gnus-summary-buffer)
+ (when gnus-keep-backlog
+ (gnus-backlog-enter-article
+ group article (current-buffer))))
+ (setq result 'article))
+ (methods
+ (setq gnus-override-method (pop methods)))
+ ((not (string-match "^400 "
+ (nnheader-get-report backend)))
+ ;; If we get 400 server disconnect, reconnect and
+ ;; retry; otherwise, assume the article has expired.
+ (setq result 'done))))
+ (and (eq result 'article) 'article)))
+ ;; It was a pseudo.
+ (t article)))
+
+ ;; Associate this article with the current summary buffer.
+ (setq gnus-article-current-summary gnus-summary-buffer)
+
+ ;; Take the article from the original article buffer
+ ;; and place it in the buffer it's supposed to be in.
+ (when (and (get-buffer gnus-article-buffer)
+ (equal (buffer-name (current-buffer))
+ (buffer-name (get-buffer gnus-article-buffer))))
+ (save-excursion
+ (if (get-buffer gnus-original-article-buffer)
+ (set-buffer gnus-original-article-buffer)
+ (set-buffer (gnus-get-buffer-create gnus-original-article-buffer))
+ (buffer-disable-undo)
+ (setq major-mode 'gnus-original-article-mode)
+ (setq buffer-read-only t))
+ (let (buffer-read-only)
+ (erase-buffer)
+ (insert-buffer-substring gnus-article-buffer))
+ (setq gnus-original-article (cons group article)))
+
+ ;; Decode charsets.
+ (run-hooks 'gnus-article-decode-hook)
+ ;; Mark article as decoded or not.
+ (setq gnus-article-decoded-p gnus-article-decode-hook))
+
+ ;; Update sparse articles.
+ (when (and do-update-line
+ (or (numberp article)
+ (stringp article)))
+ (let ((buf (current-buffer)))
+ (set-buffer gnus-summary-buffer)
+ (gnus-summary-update-article do-update-line sparse-header)
+ (gnus-summary-goto-subject do-update-line nil t)
+ (set-window-point (gnus-get-buffer-window (current-buffer) t)
+ (point))
+ (set-buffer buf))))))
+
+ ;;;
+ ;;; Article editing
+ ;;;
+
+ (defcustom gnus-article-edit-mode-hook nil
+ "Hook run in article edit mode buffers."
+ :group 'gnus-article-various
+ :type 'hook)
+
+ (defvar gnus-article-edit-done-function nil)
+
+ (defvar gnus-article-edit-mode-map nil)
+ (defvar gnus-article-edit-mode nil)
+
+ ;; Should we be using derived.el for this?
+ (unless gnus-article-edit-mode-map
+ (setq gnus-article-edit-mode-map (make-keymap))
+ (set-keymap-parent gnus-article-edit-mode-map text-mode-map)
+
+ (gnus-define-keys gnus-article-edit-mode-map
+ "\C-c?" describe-mode
+ "\C-c\C-c" gnus-article-edit-done
+ "\C-c\C-k" gnus-article-edit-exit
+ "\C-c\C-f\C-t" message-goto-to
+ "\C-c\C-f\C-o" message-goto-from
+ "\C-c\C-f\C-b" message-goto-bcc
+ ;;"\C-c\C-f\C-w" message-goto-fcc
+ "\C-c\C-f\C-c" message-goto-cc
+ "\C-c\C-f\C-s" message-goto-subject
+ "\C-c\C-f\C-r" message-goto-reply-to
+ "\C-c\C-f\C-n" message-goto-newsgroups
+ "\C-c\C-f\C-d" message-goto-distribution
+ "\C-c\C-f\C-f" message-goto-followup-to
+ "\C-c\C-f\C-m" message-goto-mail-followup-to
+ "\C-c\C-f\C-k" message-goto-keywords
+ "\C-c\C-f\C-u" message-goto-summary
+ "\C-c\C-f\C-i" message-insert-or-toggle-importance
+ "\C-c\C-f\C-a" message-generate-unsubscribed-mail-followup-to
+ "\C-c\C-b" message-goto-body
+ "\C-c\C-i" message-goto-signature
+
+ "\C-c\C-t" message-insert-to
+ "\C-c\C-n" message-insert-newsgroups
+ "\C-c\C-o" message-sort-headers
+ "\C-c\C-e" message-elide-region
+ "\C-c\C-v" message-delete-not-region
+ "\C-c\C-z" message-kill-to-signature
+ "\M-\r" message-newline-and-reformat
+ "\C-c\C-a" mml-attach-file
+ "\C-a" message-beginning-of-line
+ "\t" message-tab
+ "\M-;" comment-region)
+
+ (gnus-define-keys (gnus-article-edit-wash-map
+ "\C-c\C-w" gnus-article-edit-mode-map)
+ "f" gnus-article-edit-full-stops))
+
+ (easy-menu-define
+ gnus-article-edit-mode-field-menu gnus-article-edit-mode-map ""
+ '("Field"
+ ["Fetch To" message-insert-to t]
+ ["Fetch Newsgroups" message-insert-newsgroups t]
+ "----"
+ ["To" message-goto-to t]
+ ["From" message-goto-from t]
+ ["Subject" message-goto-subject t]
+ ["Cc" message-goto-cc t]
+ ["Reply-To" message-goto-reply-to t]
+ ["Summary" message-goto-summary t]
+ ["Keywords" message-goto-keywords t]
+ ["Newsgroups" message-goto-newsgroups t]
+ ["Followup-To" message-goto-followup-to t]
+ ["Mail-Followup-To" message-goto-mail-followup-to t]
+ ["Distribution" message-goto-distribution t]
+ ["Body" message-goto-body t]
+ ["Signature" message-goto-signature t]))
+
+ (define-derived-mode gnus-article-edit-mode text-mode "Article Edit"
+ "Major mode for editing articles.
+ This is an extended text-mode.
+
+ \\{gnus-article-edit-mode-map}"
+ (make-local-variable 'gnus-article-edit-done-function)
+ (make-local-variable 'gnus-prev-winconf)
+ (set (make-local-variable 'font-lock-defaults)
+ '(message-font-lock-keywords t))
+ (set (make-local-variable 'mail-header-separator) "")
+ (set (make-local-variable 'gnus-article-edit-mode) t)
+ (easy-menu-add message-mode-field-menu message-mode-map)
+ (mml-mode)
+ (setq buffer-read-only nil)
+ (buffer-enable-undo)
+ (widen))
+
+ (defun gnus-article-edit (&optional force)
+ "Edit the current article.
+ This will have permanent effect only in mail groups.
+ If FORCE is non-nil, allow editing of articles even in read-only
+ groups."
+ (interactive "P")
+ (when (and (not force)
+ (gnus-group-read-only-p))
+ (error "The current newsgroup does not support article editing"))
+ (gnus-article-date-original)
+ (gnus-article-edit-article
+ 'ignore
+ `(lambda (no-highlight)
+ 'ignore
+ (gnus-summary-edit-article-done
+ ,(or (mail-header-references gnus-current-headers) "")
+ ,(gnus-group-read-only-p) ,gnus-summary-buffer no-highlight))))
+
+ (defun gnus-article-edit-article (start-func exit-func)
+ "Start editing the contents of the current article buffer."
+ (let ((winconf (current-window-configuration)))
+ (set-buffer gnus-article-buffer)
+ (gnus-article-edit-mode)
+ (funcall start-func)
+ (set-buffer-modified-p nil)
+ (gnus-configure-windows 'edit-article)
+ (setq gnus-article-edit-done-function exit-func)
+ (setq gnus-prev-winconf winconf)
+ (gnus-message 6 "C-c C-c to end edits")))
+
+ (defun gnus-article-edit-done (&optional arg)
+ "Update the article edits and exit."
+ (interactive "P")
+ (let ((func gnus-article-edit-done-function)
+ (buf (current-buffer))
+ (start (window-start))
+ (p (point))
+ (winconf gnus-prev-winconf))
+ (widen) ;; Widen it in case that users narrowed the buffer.
+ (funcall func arg)
+ (set-buffer buf)
+ ;; The cache and backlog have to be flushed somewhat.
+ (when gnus-keep-backlog
+ (gnus-backlog-remove-article
+ (car gnus-article-current) (cdr gnus-article-current)))
+ ;; Flush original article as well.
+ (save-excursion
+ (when (get-buffer gnus-original-article-buffer)
+ (set-buffer gnus-original-article-buffer)
+ (setq gnus-original-article nil)))
+ (when gnus-use-cache
+ (gnus-cache-update-article
+ (car gnus-article-current) (cdr gnus-article-current)))
+ ;; We remove all text props from the article buffer.
+ (kill-all-local-variables)
+ (gnus-set-text-properties (point-min) (point-max) nil)
+ (gnus-article-mode)
+ (set-window-configuration winconf)
+ (set-buffer buf)
+ (set-window-start (get-buffer-window buf) start)
+ (set-window-point (get-buffer-window buf) (point)))
+ (gnus-summary-show-article))
+
+ (defun gnus-article-edit-exit ()
+ "Exit the article editing without updating."
+ (interactive)
+ (when (or (not (buffer-modified-p))
+ (yes-or-no-p "Article modified; kill anyway? "))
+ (let ((curbuf (current-buffer))
+ (p (point))
+ (window-start (window-start)))
+ (erase-buffer)
+ (if (gnus-buffer-live-p gnus-original-article-buffer)
+ (insert-buffer gnus-original-article-buffer))
+ (let ((winconf gnus-prev-winconf))
+ (kill-all-local-variables)
+ (gnus-article-mode)
+ (set-window-configuration winconf)
+ ;; Tippy-toe some to make sure that point remains where it was.
+ (save-current-buffer
+ (set-buffer curbuf)
+ (set-window-start (get-buffer-window (current-buffer)) window-start)
+ (goto-char p))))
+ (gnus-summary-show-article)))
+
+ (defun gnus-article-edit-full-stops ()
+ "Interactively repair spacing at end of sentences."
+ (interactive)
+ (save-excursion
+ (goto-char (point-min))
+ (search-forward-regexp "^$" nil t)
+ (let ((case-fold-search nil))
+ (query-replace-regexp "\\([.!?][])}]* \\)\\([[({A-Z]\\)" "\\1 \\2"))))
+
+ ;;;
+ ;;; Article highlights
+ ;;;
+
+ ;; Written by Per Abrahamsen <address@hidden>.
+
+ ;;; Internal Variables:
+
+ (defcustom gnus-button-url-regexp
+ (if (string-match "[[:digit:]]" "1") ;; support POSIX?
+
"\\b\\(\\(www\\.\\|\\(s?https?\\|ftp\\|file\\|gopher\\|nntp\\|news\\|telnet\\|wais\\|mailto\\|info\\):\\)\\(//[-a-z0-9_.]+:[0-9]*\\)address@hidden&*+\\/:;.,[:word:address@hidden&*+\\/[:word:]]\\)"
+
"\\b\\(\\(www\\.\\|\\(s?https?\\|ftp\\|file\\|gopher\\|nntp\\|news\\|telnet\\|wais\\|mailto\\|info\\):\\)\\(//[-a-z0-9_.]+:[0-9]*\\)?\\(address@hidden&*+\\/:;.,]\\|\\w\\)+\\(address@hidden&*+\\/]\\|\\w\\)\\)")
+ "Regular expression that matches URLs."
+ :group 'gnus-article-buttons
+ :type 'regexp)
+
+ (defcustom gnus-button-valid-fqdn-regexp
+ message-valid-fqdn-regexp
+ "Regular expression that matches a valid FQDN."
+ :group 'gnus-article-buttons
+ :type 'regexp)
+
+ (defcustom gnus-button-man-handler 'manual-entry
+ "Function to use for displaying man pages.
+ The function must take at least one argument with a string naming the
+ man page."
+ :type '(choice (function-item :tag "Man" manual-entry)
+ (function-item :tag "Woman" woman)
+ (function :tag "Other"))
+ :group 'gnus-article-buttons)
+
+ (defcustom gnus-ctan-url "http://tug.ctan.org/tex-archive/";
+ "Top directory of a CTAN \(Comprehensive TeX Archive Network\) archive.
+ If the default site is too slow, try to find a CTAN mirror, see
+ <URL:http://tug.ctan.org/tex-archive/CTAN.sites?action=/index.html>. See also
+ the variable `gnus-button-handle-ctan'."
+ :group 'gnus-article-buttons
+ :link '(custom-manual "(gnus)Group Parameters")
+ :type '(choice (const "http://www.tex.ac.uk/tex-archive/";)
+ (const "http://tug.ctan.org/tex-archive/";)
+ (const "http://www.dante.de/CTAN/";)
+ (string :tag "Other")))
+
+ (defcustom gnus-button-ctan-handler 'browse-url
+ "Function to use for displaying CTAN links.
+ The function must take one argument, the string naming the URL."
+ :type '(choice (function-item :tag "Browse Url" browse-url)
+ (function :tag "Other"))
+ :group 'gnus-article-buttons)
+
+ (defcustom gnus-button-handle-ctan-bogus-regexp "^/?tex-archive/\\|^/"
+ "Bogus strings removed from CTAN URLs."
+ :group 'gnus-article-buttons
+ :type '(choice (const "^/?tex-archive/\\|/")
+ (regexp :tag "Other")))
+
+ (defcustom gnus-button-ctan-directory-regexp
+ (concat
+ "\\("; Cannot use `\(?: ... \)' (compatibility with Emacs 20).
+ "biblio\\|digests\\|dviware\\|fonts\\|graphics\\|help\\|"
+ "indexing\\|info\\|language\\|macros\\|support\\|systems\\|"
+ "tds\\|tools\\|usergrps\\|web\\|nonfree\\|obsolete"
+ "\\)")
+ "Regular expression for ctan directories.
+ It should match all directories in the top level of `gnus-ctan-url'."
+ :group 'gnus-article-buttons
+ :type 'regexp)
+
+ (defcustom gnus-button-mid-or-mail-regexp
+ (concat "\\b\\(<?[a-z0-9$%(*-=?[_][^<>\")!;:,{}\n\t ]*@"
+ ;; Felix Wiemann in <address@hidden>
+ gnus-button-valid-fqdn-regexp
+ ">?\\)\\b")
+ "Regular expression that matches a message ID or a mail address."
+ :group 'gnus-article-buttons
+ :type 'regexp)
+
+ (defcustom gnus-button-prefer-mid-or-mail 'gnus-button-mid-or-mail-heuristic
+ "What to do when the button on a string as \"address@hidden" is pushed.
+ Strings like this can be either a message ID or a mail address. If it is one
+ of the symbols `mid' or `mail', Gnus will always assume that the string is a
+ message ID or a mail address, respectively. If this variable is set to the
+ symbol `ask', always query the user what do do. If it is a function, this
+ function will be called with the string as it's only argument. The function
+ must return `mid', `mail', `invalid' or `ask'."
+ :group 'gnus-article-buttons
+ :type '(choice (function-item :tag "Heuristic function"
+ gnus-button-mid-or-mail-heuristic)
+ (const ask)
+ (const mid)
+ (const mail)))
+
+ (defcustom gnus-button-mid-or-mail-heuristic-alist
+ '((-10.0 . ".+\\$.+@")
+ (-10.0 . "#")
+ (-10.0 . "\\*")
+ (-5.0 . "\\+[^+]*\\+.*@") ;; # two plus signs
+ (-5.0 . "@[Nn][Ee][Ww][Ss]") ;; /address@hidden/i
+ (-5.0 . "@.*[Dd][Ii][Aa][Ll][Uu][Pp]") ;; /address@hidden/i;
+ (-1.0 . "^[^a-z]+@")
+ ;;
+ (-5.0 . "\\.[0-9][0-9]+.*@") ;; "\.[0-9]{2,}.*\@"
+ (-5.0 . "[a-z].*[A-Z].*[a-z].*[A-Z].*@") ;; "([a-z].*[A-Z].*){2,}\@"
+ (-3.0 . "[A-Z][A-Z][a-z][a-z].*@")
+ (-5.0 . "\\...?.?@") ;; (-5.0 . "\..{1,3}\@")
+ ;;
+ (-2.0 . "^[0-9]")
+ (-1.0 . "^[0-9][0-9]")
+ ;;
+ ;; -3.0 /^[0-9][0-9a-fA-F]{2,2}/;
+ (-3.0 . "^[0-9][0-9a-fA-F][0-9a-fA-F][^0-9a-fA-F]")
+ ;; -5.0 /^[0-9][0-9a-fA-F]{3,3}/;
+ (-5.0 . "^[0-9][0-9a-fA-F][0-9a-fA-F][0-9a-fA-F][^0-9a-fA-F]")
+ ;;
+ (-3.0 . "[0-9][0-9][0-9][0-9][0-9][^0-9].*@") ;; "[0-9]{5,}.*\@"
+ (-3.0 . "[0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][^0-9].*@")
+ ;; "[0-9]{8,}.*\@"
+ (-3.0
+ . "[0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9].*@")
+ ;; "[0-9]{12,}.*\@"
+ ;; compensation for TDMA dated mail addresses:
+ (25.0 . "-dated-[0-9][0-9][0-9][0-9][0-9][0-9][0-9][0-9]+.*@")
+ ;;
+ (-20.0 . "\\.fsf@") ;; Gnus
+ (-20.0 . "^slrn")
+ (-20.0 . "^Pine")
+ (-20.0 . "_-_") ;; Subject change in thread
+ ;;
+ (-20.0 . "\\.ln@") ;; leafnode
+ (-30.0 . "@ID-[0-9]+\\.[a-zA-Z]+\\.dfncis\\.de")
+ (-30.0 . "@4[Aa][Xx]\\.com") ;; Forte Agent
+ ;;
+ ;; (5.0 . "") ;; $local_part_len <= 7
+ (10.0 . "^[^0-9]+@")
+ (3.0 . "^[^0-9]+[0-9][0-9]?[0-9]?@")
+ ;; ^[^0-9]+[0-9]{1,3}\@ digits only at end of local part
+ (3.0 . "address@hidden")
+ ;;
+ (2.0 . "[a-z][a-z][._-][A-Z][a-z].*@")
+ ;;
+ (0.5 . "^[A-Z][a-z]")
+ (0.5 . "^[A-Z][a-z][a-z]")
+ (1.5 . "^[A-Z][a-z][A-Z][a-z][^a-z]") ;; ^[A-Z][a-z]{3,3}
+ (2.0 . "^[A-Z][a-z][A-Z][a-z][a-z][^a-z]")) ;; ^[A-Z][a-z]{4,4}
+ "An alist of \(RATE . REGEXP\) pairs for
`gnus-button-mid-or-mail-heuristic'.
+
+ A negative RATE indicates a message IDs, whereas a positive indicates a mail
+ address. The REGEXP is processed with `case-fold-search' set to nil."
+ :group 'gnus-article-buttons
+ :type '(repeat (cons (number :tag "Rate")
+ (regexp :tag "Regexp"))))
+
+ (defun gnus-button-mid-or-mail-heuristic (mid-or-mail)
+ "Guess whether MID-OR-MAIL is a message ID or a mail address.
+ Returns `mid' if MID-OR-MAIL is a message IDs, `mail' if it's a mail
+ address, `ask' if unsure and `invalid' if the string is invalid."
+ (let ((case-fold-search nil)
+ (list gnus-button-mid-or-mail-heuristic-alist)
+ (result 0) rate regexp lpartlen elem)
+ (setq lpartlen
+ (length (gnus-replace-in-string mid-or-mail "^\\(.*\\)@.*$" "\\1")))
+ (gnus-message 8 "`%s', length of local part=`%s'." mid-or-mail lpartlen)
+ ;; Certain special cases...
+ (when (string-match
+ (concat
+ "address@hidden|"
+ "address@hidden|"
+ "@public\\.gmane\\.org")
+ mid-or-mail)
+ (gnus-message 8 "`%s' is a known mail address." mid-or-mail)
+ (setq result 'mail))
+ (when (string-match "@address@hidden| " mid-or-mail)
+ (gnus-message 8 "`%s' is invalid." mid-or-mail)
+ (setq result 'invalid))
+ ;; Nothing more to do, if result is not a number here...
+ (when (numberp result)
+ (while list
+ (setq elem (car list)
+ rate (car elem)
+ regexp (cdr elem)
+ list (cdr list))
+ (when (string-match regexp mid-or-mail)
+ (setq result (+ result rate))
+ (gnus-message
+ 9 "`%s' matched `%s', rate `%s', result `%s'."
+ mid-or-mail regexp rate result)))
+ (when (<= lpartlen 7)
+ (setq result (+ result 5.0))
+ (gnus-message 9 "`%s' matched (<= lpartlen 7), result `%s'."
+ mid-or-mail result))
+ (when (>= lpartlen 12)
+ (gnus-message 9 "`%s' matched (>= lpartlen 12)" mid-or-mail)
+ (cond
+ ((string-match "[0-9][^0-9]+[0-9].*@" mid-or-mail)
+ ;; Long local part should contain realname if e-mail address,
+ ;; too many digits: message-id.
+ ;; $score -= 5.0 + 0.1 * $local_part_len;
+ (setq rate (* -1.0 (+ 5.0 (* 0.1 lpartlen))))
+ (setq result (+ result rate))
+ (gnus-message
+ 9 "Many digits in `%s', rate `%s', result `%s'."
+ mid-or-mail rate result))
+ ((string-match "[^aeiouy][^aeiouy][^aeiouy][^aeiouy]+.*\@"
+ mid-or-mail)
+ ;; Too few vowels [^aeiouy]{4,}.*\@
+ (setq result (+ result -5.0))
+ (gnus-message
+ 9 "Few vowels in `%s', rate `%s', result `%s'."
+ mid-or-mail -5.0 result))
+ (t
+ (setq result (+ result 5.0))
+ (gnus-message
+ 9 "`%s', rate `%s', result `%s'." mid-or-mail 5.0 result)))))
+ (gnus-message 8 "`%s': Final rate is `%s'." mid-or-mail result)
+ ;; Maybe we should make this a customizable alist: (condition . 'result)
+ (cond
+ ((symbolp result) result)
+ ;; Now convert number into proper results:
+ ((< result -10.0) 'mid)
+ ((> result 10.0) 'mail)
+ (t 'ask))))
+
+ (defun gnus-button-handle-mid-or-mail (mid-or-mail)
+ (let* ((pref gnus-button-prefer-mid-or-mail) guessed
+ (url-mid (concat "news" ":" mid-or-mail))
+ (url-mailto (concat "mailto" ":" mid-or-mail)))
+ (gnus-message 9 "mid-or-mail=%s" mid-or-mail)
+ (when (fboundp pref)
+ (setq guessed
+ ;; get rid of surrounding angles...
+ (funcall pref
+ (gnus-replace-in-string mid-or-mail "^<\\|>$" "")))
+ (if (or (eq 'mid guessed) (eq 'mail guessed))
+ (setq pref guessed)
+ (setq pref 'ask)))
+ (if (eq pref 'ask)
+ (save-window-excursion
+ (if (y-or-n-p (concat "Is <" mid-or-mail "> a mail address? "))
+ (setq pref 'mail)
+ (setq pref 'mid))))
+ (cond ((eq pref 'mid)
+ (gnus-message 8 "calling `gnus-button-handle-news' %s" url-mid)
+ (gnus-button-handle-news url-mid))
+ ((eq pref 'mail)
+ (gnus-message 8 "calling `gnus-url-mailto' %s" url-mailto)
+ (gnus-url-mailto url-mailto))
+ (t (gnus-message 3 "Invalid string.")))))
+
+ (defun gnus-button-handle-custom (url)
+ "Follow a Custom URL."
+ (customize-apropos (gnus-url-unhex-string url)))
+
+ (defvar gnus-button-handle-describe-prefix "^\\(C-h\\|<?[Ff]1>?\\)")
+
+ ;; FIXME: Maybe we should merge some of the functions that do quite similar
+ ;; stuff?
+
+ (defun gnus-button-handle-describe-function (url)
+ "Call `describe-function' when pushing the corresponding URL button."
+ (describe-function
+ (intern
+ (gnus-replace-in-string url gnus-button-handle-describe-prefix ""))))
+
+ (defun gnus-button-handle-describe-variable (url)
+ "Call `describe-variable' when pushing the corresponding URL button."
+ (describe-variable
+ (intern
+ (gnus-replace-in-string url gnus-button-handle-describe-prefix ""))))
+
+ (defun gnus-button-handle-symbol (url)
+ "Display help on variable or function.
+ Calls `describe-variable' or `describe-function'."
+ (let ((sym (intern url)))
+ (cond
+ ((fboundp sym) (describe-function sym))
+ ((boundp sym) (describe-variable sym))
+ (t (gnus-message 3 "`%s' is not a known function of variable." url)))))
+
+ (defun gnus-button-handle-describe-key (url)
+ "Call `describe-key' when pushing the corresponding URL button."
+ (let* ((key-string
+ (gnus-replace-in-string url gnus-button-handle-describe-prefix ""))
+ (keys (ignore-errors (eval `(kbd ,key-string)))))
+ (if keys
+ (describe-key keys)
+ (gnus-message 3 "Invalid key sequence in button: %s" key-string))))
+
+ (defun gnus-button-handle-apropos (url)
+ "Call `apropos' when pushing the corresponding URL button."
+ (apropos (gnus-replace-in-string url gnus-button-handle-describe-prefix
"")))
+
+ (defun gnus-button-handle-apropos-command (url)
+ "Call `apropos' when pushing the corresponding URL button."
+ (apropos-command
+ (gnus-replace-in-string url gnus-button-handle-describe-prefix "")))
+
+ (defun gnus-button-handle-apropos-variable (url)
+ "Call `apropos' when pushing the corresponding URL button."
+ (funcall
+ (if (fboundp 'apropos-variable) 'apropos-variable 'apropos)
+ (gnus-replace-in-string url gnus-button-handle-describe-prefix "")))
+
+ (defun gnus-button-handle-apropos-documentation (url)
+ "Call `apropos' when pushing the corresponding URL button."
+ (funcall
+ (if (fboundp 'apropos-documentation) 'apropos-documentation 'apropos)
+ (gnus-replace-in-string url gnus-button-handle-describe-prefix "")))
+
+ (defun gnus-button-handle-library (url)
+ "Call `locate-library' when pushing the corresponding URL button."
+ (gnus-message 9 "url=`%s'" url)
+ (let* ((lib (locate-library url))
+ (file (gnus-replace-in-string (or lib "") "\.elc" ".el")))
+ (if (not lib)
+ (gnus-message 1 "Cannot locale library `%s'." url)
+ (find-file-read-only file))))
+
+ (defun gnus-button-handle-ctan (url)
+ "Call `browse-url' when pushing a CTAN URL button."
+ (funcall
+ gnus-button-ctan-handler
+ (concat
+ gnus-ctan-url
+ (gnus-replace-in-string url gnus-button-handle-ctan-bogus-regexp ""))))
+
+ (defcustom gnus-button-tex-level 5
+ "*Integer that says how many TeX-related buttons Gnus will show.
+ The higher the number, the more buttons will appear and the more false
+ positives are possible. Note that you can set this variable local to
+ specific groups. Setting it higher in TeX groups is probably a good idea.
+ See Info node `(gnus)Group Parameters' and the variable `gnus-parameters' on
+ how to set variables in specific groups."
+ :group 'gnus-article-buttons
+ :link '(custom-manual "(gnus)Group Parameters")
+ :type 'integer)
+
+ (defcustom gnus-button-man-level 5
+ "*Integer that says how many man-related buttons Gnus will show.
+ The higher the number, the more buttons will appear and the more false
+ positives are possible. Note that you can set this variable local to
+ specific groups. Setting it higher in Unix groups is probably a good idea.
+ See Info node `(gnus)Group Parameters' and the variable `gnus-parameters' on
+ how to set variables in specific groups."
+ :group 'gnus-article-buttons
+ :link '(custom-manual "(gnus)Group Parameters")
+ :type 'integer)
+
+ (defcustom gnus-button-emacs-level 5
+ "*Integer that says how many emacs-related buttons Gnus will show.
+ The higher the number, the more buttons will appear and the more false
+ positives are possible. Note that you can set this variable local to
+ specific groups. Setting it higher in Emacs or Gnus related groups is
+ probably a good idea. See Info node `(gnus)Group Parameters' and the variable
+ `gnus-parameters' on how to set variables in specific groups."
+ :group 'gnus-article-buttons
+ :link '(custom-manual "(gnus)Group Parameters")
+ :type 'integer)
+
+ (defcustom gnus-button-message-level 5
+ "*Integer that says how many buttons for news or mail messages will appear.
+ The higher the number, the more buttons will appear and the more false
+ positives are possible."
+ ;; mail addresses, MIDs, URLs for news, ...
+ :group 'gnus-article-buttons
+ :type 'integer)
+
+ (defcustom gnus-button-browse-level 5
+ "*Integer that says how many buttons for browsing will appear.
+ The higher the number, the more buttons will appear and the more false
+ positives are possible."
+ ;; stuff handled by `browse-url' or `gnus-button-embedded-url'
+ :group 'gnus-article-buttons
+ :type 'integer)
+
+ (defcustom gnus-button-alist
+ '(("<\\(url:[>\n\t ]*?\\)?\\(nntp\\|news\\):[>\n\t ]*\\([^>\n\t
address@hidden>\n\t ]*\\)>"
+ 0 (>= gnus-button-message-level 0) gnus-button-handle-news 3)
+ ("\\b\\(nntp\\|news\\):\\([^>\n\t address@hidden>)!;:,\n\t ]*\\)" 0 t
+ gnus-button-handle-news 2)
+ ("\\(\\b<\\(url:[>\n\t ]*\\)?\\(nntp\\|news\\):[>\n\t
]*\\(//\\)?\\([^>\n\t ]*\\)>\\)"
+ 1 (>= gnus-button-message-level 0) gnus-button-fetch-group 5)
+ ("\\b\\(nntp\\|news\\):\\(//\\)?\\([^'\">\n\t ]+\\)"
+ 0 (>= gnus-button-message-level 0) gnus-button-fetch-group 3)
+ ;; RFC 2392 (Don't allow `/' in domain part --> CID)
+ ("\\bmid:\\(//\\)?\\([^'\">\n\t address@hidden'\">\n\t /]+\\)"
+ 0 (>= gnus-button-message-level 0) gnus-button-message-id 2)
+ ("\\bin\\( +article\\| +message\\)? +\\(<\\([^\n @<>address@hidden
@<>]+\\)>\\)"
+ 2 (>= gnus-button-message-level 0) gnus-button-message-id 3)
+ ("\\(<URL: *\\)mailto: *\\([^> \n\t]+\\)>"
+ 0 (>= gnus-button-message-level 0) gnus-url-mailto 2)
+ ;; RFC 2368 (The mailto URL scheme)
+ ("mailto:\\(address@hidden&]+\\)"
+ 0 (>= gnus-button-message-level 0) gnus-url-mailto 1)
+ ("\\bmailto:\\([^ \n\t]+\\)"
+ 0 (>= gnus-button-message-level 0) gnus-url-mailto 1)
+ ;; CTAN
+ ((concat "\\bCTAN:[ \t\n]?[^>)!;:,'\n\t ]*\\("
+ gnus-button-ctan-directory-regexp
+ "[^][>)!;:,'\n\t ]+\\)")
+ 0 (>= gnus-button-tex-level 1) gnus-button-handle-ctan 1)
+ ((concat "\\btex-archive/\\("
+ gnus-button-ctan-directory-regexp
+ "/[-_.a-z0-9/]+[-_./a-z0-9]+[/a-z0-9]\\)")
+ 1 (>= gnus-button-tex-level 6) gnus-button-handle-ctan 1)
+ ((concat
+ "\\b\\("
+ gnus-button-ctan-directory-regexp
+ "/[-_.a-z0-9]+/[-_./a-z0-9]+[/a-z0-9]\\)")
+ 1 (>= gnus-button-tex-level 8) gnus-button-handle-ctan 1)
+ ;; This is info (home-grown style) <info://foo/bar+baz>
+ ("\\binfo://\\([^'\">\n\t ]+\\)"
+ 0 (>= gnus-button-emacs-level 1) gnus-button-handle-info-url 1)
+ ;; Info GNOME style <info:foo#bar_baz>
+ ("\\binfo:\\([^('\n\t\r \"><][^'\n\t\r \"><]*\\)"
+ 0 (>= gnus-button-emacs-level 1) gnus-button-handle-info-url-gnome 1)
+ ;; Info KDE style <info:(foo)bar baz>
+ ("<\\(info:\\(([^)]+)[^>\n\r]*\\)\\)>"
+ 1 (>= gnus-button-emacs-level 1) gnus-button-handle-info-url-kde 2)
+ ("\\((Info-goto-node\\|(info\\)[ \t\n]*\\(\"[^\"]*\"\\))" 0
+ (>= gnus-button-emacs-level 1) gnus-button-handle-info-url 2)
+ ("\\b\\(C-h\\|<?[Ff]1>?\\)[ \t\n]+i[ \t\n]+d?[ \t\n]?m[ \t\n]+\\([^ ]+
?[^ ]+\\)[ \t\n]+RET"
+ ;; Info links like `C-h i d m CC Mode RET'
+ 0 (>= gnus-button-emacs-level 1) gnus-button-handle-info-keystrokes 2)
+ ;; This is custom
+ ("\\bcustom:\\(//\\)?\\([^'\">\n\t ]+\\)"
+ 0 (>= gnus-button-emacs-level 5) gnus-button-handle-custom 2)
+ ("M-x[ \t\n]customize-[^ ]+[ \t\n]RET[ \t\n]\\([^ ]+\\)[ \t\n]RET" 0
+ (>= gnus-button-emacs-level 1) gnus-button-handle-custom 1)
+ ;; Emacs help commands
+ ("M-x[ \t\n]+apropos[ \t\n]+RET[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET"
+ ;; regexp doesn't match arguments containing ` '.
+ 0 (>= gnus-button-emacs-level 1) gnus-button-handle-apropos 1)
+ ("M-x[ \t\n]+apropos-command[ \t\n]+RET[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET"
+ 0 (>= gnus-button-emacs-level 1) gnus-button-handle-apropos-command 1)
+ ("M-x[ \t\n]+apropos-variable[ \t\n]+RET[ \t\n]+\\([^ \t\n]+\\)[
\t\n]+RET"
+ 0 (>= gnus-button-emacs-level 1) gnus-button-handle-apropos-variable 1)
+ ("M-x[ \t\n]+apropos-documentation[ \t\n]+RET[ \t\n]+\\([^ \t\n]+\\)[
\t\n]+RET"
+ 0 (>= gnus-button-emacs-level 1)
gnus-button-handle-apropos-documentation 1)
+ ;; The following entries may lead to many false positives so don't enable
+ ;; them by default (use a high button level):
+ ("/\\([a-z][-a-z0-9]+\\.el\\)\\>"
+ 1 (>= gnus-button-emacs-level 8) gnus-button-handle-library 1)
+ ("`\\([a-z][-a-z0-9]+\\.el\\)'"
+ 1 (>= gnus-button-emacs-level 8) gnus-button-handle-library 1)
+ ("`\\([a-z][a-z0-9]+-[a-z]+-[-a-z]+\\|\\(gnus\\|message\\)-[-a-z]+\\)'"
+ 0 (>= gnus-button-emacs-level 8) gnus-button-handle-symbol 1)
+ ("`\\([a-z][a-z0-9]+-[a-z]+\\)'"
+ 0 (>= gnus-button-emacs-level 9) gnus-button-handle-symbol 1)
+ ("(setq[ \t\n]+\\([a-z][a-z0-9]+-[-a-z0-9]+\\)[ \t\n]+.+)"
+ 1 (>= gnus-button-emacs-level 7) gnus-button-handle-describe-variable 1)
+ ("\\bM-x[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET"
+ 1 (>= gnus-button-emacs-level 7) gnus-button-handle-describe-function 1)
+ ("\\b\\(C-h\\|<?[Ff]1>?\\)[ \t\n]+f[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET"
+ 0 (>= gnus-button-emacs-level 1) gnus-button-handle-describe-function 2)
+ ("\\b\\(C-h\\|<?[Ff]1>?\\)[ \t\n]+v[ \t\n]+\\([^ \t\n]+\\)[ \t\n]+RET"
+ 0 (>= gnus-button-emacs-level 1) gnus-button-handle-describe-variable 2)
+ ("`\\(\\b\\(C-h\\|<?[Ff]1>?\\)[ \t\n]+k[ \t\n]+\\([^']+\\)\\)'"
+ ;; Unlike the other regexps we really have to require quoting
+ ;; here to determine where it ends.
+ 1 (>= gnus-button-emacs-level 1) gnus-button-handle-describe-key 3)
+ ;; This is how URLs _should_ be embedded in text (RFC 1738, RFC 2396)...
+ ("<URL: *\\([^<>]*\\)>"
+ 1 (>= gnus-button-browse-level 0) gnus-button-embedded-url 1)
+ ;; RFC 2396 (2.4.3., delims) ...
+ ("\"URL: *\\([^\"]*\\)\""
+ 1 (>= gnus-button-browse-level 0) gnus-button-embedded-url 1)
+ ;; RFC 2396 (2.4.3., delims) ...
+ ("\"URL: *\\([^\"]*\\)\""
+ 1 (>= gnus-button-browse-level 0) gnus-button-embedded-url 1)
+ ;; Raw URLs.
+ (gnus-button-url-regexp
+ 0 (>= gnus-button-browse-level 0) browse-url 0)
+ ;; man pages
+ ("\\b\\([a-z][a-z]+\\)([1-9])\\W"
+ 0 (and (>= gnus-button-man-level 1) (< gnus-button-man-level 3))
+ gnus-button-handle-man 1)
+ ;; more man pages: resolv.conf(5), iso_8859-1(7), xterm(1x)
+ ("\\b\\([a-z][-_.a-z0-9]+\\)([1-9])\\W"
+ 0 (and (>= gnus-button-man-level 3) (< gnus-button-man-level 5))
+ gnus-button-handle-man 1)
+ ;; even more: Apache::PerlRun(3pm), PDL::IO::FastRaw(3pm),
+ ;; SoWWWAnchor(3iv), XSelectInput(3X11), X(1), X(7)
+ ("\\b\\([a-z][-+_.:a-z0-9]+\\)([1-9][X1a-z]*)\\W\\|\\b\\(X\\)([1-9])\\W"
+ 0 (>= gnus-button-man-level 5) gnus-button-handle-man 1)
+ ;; MID or mail: To avoid too many false positives we don't try to catch
+ ;; all kind of allowed MIDs or mail addresses. Domain part must contain
+ ;; at least one dot. TLD must contain two or three chars or be a know TLD
+ ;; (info|name|...). Put this entry near the _end_ of `gnus-button-alist'
+ ;; so that non-ambiguous entries (see above) match first.
+ (gnus-button-mid-or-mail-regexp
+ 0 (>= gnus-button-message-level 5) gnus-button-handle-mid-or-mail 1))
+ "*Alist of regexps matching buttons in article bodies.
+
+ Each entry has the form (REGEXP BUTTON FORM CALLBACK PAR...), where
+ REGEXP: is the string (case insensitive) matching text around the button (can
+ also be Lisp expression evaluating to a string),
+ BUTTON: is the number of the regexp grouping actually matching the button,
+ FORM: is a Lisp expression which must eval to true for the button to
+ be added,
+ CALLBACK: is the function to call when the user push this button, and each
+ PAR: is a number of a regexp grouping whose text will be passed to CALLBACK.
+
+ CALLBACK can also be a variable, in that case the value of that
+ variable it the real callback function."
+ :group 'gnus-article-buttons
+ :type '(repeat (list (choice regexp variable sexp)
+ (integer :tag "Button")
+ (sexp :tag "Form")
+ (function :tag "Callback")
+ (repeat :tag "Par"
+ :inline t
+ (integer :tag "Regexp group")))))
+
+ (defcustom gnus-header-button-alist
+ '(("^\\(References\\|Message-I[Dd]\\|^In-Reply-To\\):" "<[^<>]+>"
+ 0 (>= gnus-button-message-level 0) gnus-button-message-id 0)
+ ("^\\(From\\|Reply-To\\):" ": *\\(.+\\)$"
+ 1 (>= gnus-button-message-level 0) gnus-button-reply 1)
+ ("^\\(Cc\\|To\\):" "[^ \t\n<>,()\"address@hidden \t\n<>,()\"]+"
+ 0 (>= gnus-button-message-level 0) gnus-button-mailto 0)
+ ("^X-[Uu][Rr][Ll]:" gnus-button-url-regexp
+ 0 (>= gnus-button-browse-level 0) browse-url 0)
+ ("^Subject:" gnus-button-url-regexp
+ 0 (>= gnus-button-browse-level 0) browse-url 0)
+ ("^[^:]+:" gnus-button-url-regexp
+ 0 (>= gnus-button-browse-level 0) browse-url 0)
+ ("^[^:]+:" "\\bmailto:\\(address@hidden&]+\\)"
+ 0 (>= gnus-button-message-level 0) gnus-url-mailto 1)
+ ("^[^:]+:" "\\(<\\(url: \\)?\\(nntp\\|news\\):\\([^>\n ]*\\)>\\)"
+ 1 (>= gnus-button-message-level 0) gnus-button-message-id 4))
+ "*Alist of headers and regexps to match buttons in article heads.
+
+ This alist is very similar to `gnus-button-alist', except that each
+ alist has an additional HEADER element first in each entry:
+
+ \(HEADER REGEXP BUTTON FORM CALLBACK PAR)
+
+ HEADER is a regexp to match a header. For a fuller explanation, see
+ `gnus-button-alist'."
+ :group 'gnus-article-buttons
+ :group 'gnus-article-headers
+ :type '(repeat (list (regexp :tag "Header")
+ (choice regexp variable)
+ (integer :tag "Button")
+ (sexp :tag "Form")
+ (function :tag "Callback")
+ (repeat :tag "Par"
+ :inline t
+ (integer :tag "Regexp group")))))
+
+ (defvar gnus-button-regexp nil)
+ (defvar gnus-button-marker-list nil)
+ ;; Regexp matching any of the regexps from `gnus-button-alist'.
+
+ (defvar gnus-button-last nil)
+ ;; The value of `gnus-button-alist' when `gnus-button-regexp' was build.
+
+ ;;; Commands:
+
+ (defun gnus-article-push-button (event)
+ "Check text under the mouse pointer for a callback function.
+ If the text under the mouse pointer has a `gnus-callback' property,
+ call it with the value of the `gnus-data' text property."
+ (interactive "e")
+ (set-buffer (window-buffer (posn-window (event-start event))))
+ (let* ((pos (posn-point (event-start event)))
+ (data (get-text-property pos 'gnus-data))
+ (fun (get-text-property pos 'gnus-callback)))
+ (goto-char pos)
+ (when fun
+ (funcall fun data))))
+
+ (defun gnus-article-press-button ()
+ "Check text at point for a callback function.
+ If the text at point has a `gnus-callback' property,
+ call it with the value of the `gnus-data' text property."
+ (interactive)
+ (let ((data (get-text-property (point) 'gnus-data))
+ (fun (get-text-property (point) 'gnus-callback)))
+ (when fun
+ (funcall fun data))))
+
+ (defun gnus-article-highlight (&optional force)
+ "Highlight current article.
+ This function calls `gnus-article-highlight-headers',
+ `gnus-article-highlight-citation',
+ `gnus-article-highlight-signature', and `gnus-article-add-buttons' to
+ do the highlighting. See the documentation for those functions."
+ (interactive (list 'force))
+ (gnus-article-highlight-headers)
+ (gnus-article-highlight-citation force)
+ (gnus-article-highlight-signature)
+ (gnus-article-add-buttons force)
+ (gnus-article-add-buttons-to-head))
+
+ (defun gnus-article-highlight-some (&optional force)
+ "Highlight current article.
+ This function calls `gnus-article-highlight-headers',
+ `gnus-article-highlight-signature', and `gnus-article-add-buttons' to
+ do the highlighting. See the documentation for those functions."
+ (interactive (list 'force))
+ (gnus-article-highlight-headers)
+ (gnus-article-highlight-signature)
+ (gnus-article-add-buttons))
+
+ (defun gnus-article-highlight-headers ()
+ "Highlight article headers as specified by `gnus-header-face-alist'."
+ (interactive)
+ (save-excursion
+ (set-buffer gnus-article-buffer)
+ (save-restriction
+ (let ((alist gnus-header-face-alist)
+ (buffer-read-only nil)
+ (case-fold-search t)
+ (inhibit-point-motion-hooks t)
+ entry regexp header-face field-face from hpoints fpoints)
+ (article-narrow-to-head)
+ (while (setq entry (pop alist))
+ (goto-char (point-min))
+ (setq regexp (concat "^\\("
+ (if (string-equal "" (nth 0 entry))
+ "[^\t ]"
+ (nth 0 entry))
+ "\\)")
+ header-face (nth 1 entry)
+ field-face (nth 2 entry))
+ (while (and (re-search-forward regexp nil t)
+ (not (eobp)))
+ (beginning-of-line)
+ (setq from (point))
+ (unless (search-forward ":" nil t)
+ (forward-char 1))
+ (when (and header-face
+ (not (memq (point) hpoints)))
+ (push (point) hpoints)
+ (gnus-put-text-property from (point) 'face header-face))
+ (when (and field-face
+ (not (memq (setq from (point)) fpoints)))
+ (push from fpoints)
+ (if (re-search-forward "^[^ \t]" nil t)
+ (forward-char -2)
+ (goto-char (point-max)))
+ (gnus-put-text-property from (point) 'face field-face))))))))
+
+ (defun gnus-article-highlight-signature ()
+ "Highlight the signature in an article.
+ It does this by highlighting everything after
+ `gnus-signature-separator' using `gnus-signature-face'."
+ (interactive)
+ (save-excursion
+ (set-buffer gnus-article-buffer)
+ (let ((buffer-read-only nil)
+ (inhibit-point-motion-hooks t))
+ (save-restriction
+ (when (and gnus-signature-face
+ (gnus-article-narrow-to-signature))
+ (gnus-overlay-put (gnus-make-overlay (point-min) (point-max))
+ 'face gnus-signature-face)
+ (widen)
+ (gnus-article-search-signature)
+ (let ((start (match-beginning 0))
+ (end (set-marker (make-marker) (1+ (match-end 0)))))
+ (gnus-article-add-button start (1- end) 'gnus-signature-toggle
+ end)))))))
+
+ (defun gnus-button-in-region-p (b e prop)
+ "Say whether PROP exists in the region."
+ (text-property-not-all b e prop nil))
+
+ (defun gnus-article-add-buttons (&optional force)
+ "Find external references in the article and make buttons of them.
+ \"External references\" are things like Message-IDs and URLs, as
+ specified by `gnus-button-alist'."
+ (interactive (list 'force))
+ (save-excursion
+ (set-buffer gnus-article-buffer)
+ (let ((buffer-read-only nil)
+ (inhibit-point-motion-hooks t)
+ (case-fold-search t)
+ (alist gnus-button-alist)
+ beg entry regexp)
+ ;; Remove all old markers.
+ (let (marker entry new-list)
+ (while (setq marker (pop gnus-button-marker-list))
+ (if (or (< marker (point-min)) (>= marker (point-max)))
+ (push marker new-list)
+ (goto-char marker)
+ (when (setq entry (gnus-button-entry))
+ (put-text-property (match-beginning (nth 1 entry))
+ (match-end (nth 1 entry))
+ 'gnus-callback nil))
+ (set-marker marker nil)))
+ (setq gnus-button-marker-list new-list))
+ ;; We skip the headers.
+ (article-goto-body)
+ (setq beg (point))
+ (while (setq entry (pop alist))
+ (setq regexp (eval (car entry)))
+ (goto-char beg)
+ (while (re-search-forward regexp nil t)
+ (let* ((start (and entry (match-beginning (nth 1 entry))))
+ (end (and entry (match-end (nth 1 entry))))
+ (from (match-beginning 0)))
+ (when (and (or (eq t (nth 2 entry))
+ (eval (nth 2 entry)))
+ (not (gnus-button-in-region-p
+ start end 'gnus-callback)))
+ ;; That optional form returned non-nil, so we add the
+ ;; button.
+ (gnus-article-add-button
+ start end 'gnus-button-push
+ (car (push (set-marker (make-marker) from)
+ gnus-button-marker-list))))))))))
+
+ ;; Add buttons to the head of an article.
+ (defun gnus-article-add-buttons-to-head ()
+ "Add buttons to the head of the article."
+ (interactive)
+ (save-excursion
+ (set-buffer gnus-article-buffer)
+ (save-restriction
+ (let ((buffer-read-only nil)
+ (inhibit-point-motion-hooks t)
+ (case-fold-search t)
+ (alist gnus-header-button-alist)
+ entry beg end)
+ (article-narrow-to-head)
+ (while alist
+ ;; Each alist entry.
+ (setq entry (car alist)
+ alist (cdr alist))
+ (goto-char (point-min))
+ (while (re-search-forward (car entry) nil t)
+ ;; Each header matching the entry.
+ (setq beg (match-beginning 0))
+ (setq end (or (and (re-search-forward "^[^ \t]" nil t)
+ (match-beginning 0))
+ (point-max)))
+ (goto-char beg)
+ (while (re-search-forward (eval (nth 1 entry)) end t)
+ ;; Each match within a header.
+ (let* ((entry (cdr entry))
+ (start (match-beginning (nth 1 entry)))
+ (end (match-end (nth 1 entry)))
+ (form (nth 2 entry)))
+ (goto-char (match-end 0))
+ (when (eval form)
+ (gnus-article-add-button
+ start end (nth 3 entry)
+ (buffer-substring (match-beginning (nth 4 entry))
+ (match-end (nth 4 entry)))))))
+ (goto-char end)))))))
+
+ ;;; External functions:
+
+ (defun gnus-article-add-button (from to fun &optional data)
+ "Create a button between FROM and TO with callback FUN and data DATA."
+ (when gnus-article-button-face
+ (gnus-overlay-put (gnus-make-overlay from to)
+ 'face gnus-article-button-face))
+ (gnus-add-text-properties
+ from to
+ (nconc (and gnus-article-mouse-face
+ (list gnus-mouse-face-prop gnus-article-mouse-face))
+ (list 'gnus-callback fun)
+ (and data (list 'gnus-data data))))
+ (widget-convert-button 'link from to :action 'gnus-widget-press-button
+ :button-keymap gnus-widget-button-keymap))
+
+ ;;; Internal functions:
+
+ (defun gnus-article-set-globals ()
+ (save-excursion
+ (set-buffer gnus-summary-buffer)
+ (gnus-set-global-variables)))
+
+ (defun gnus-signature-toggle (end)
+ (save-excursion
+ (set-buffer gnus-article-buffer)
+ (let ((buffer-read-only nil)
+ (inhibit-point-motion-hooks t))
+ (if (text-property-any end (point-max) 'article-type 'signature)
+ (progn
+ (gnus-delete-wash-type 'signature)
+ (gnus-remove-text-properties-when
+ 'article-type 'signature end (point-max)
+ (cons 'article-type (cons 'signature
+ gnus-hidden-properties))))
+ (gnus-add-wash-type 'signature)
+ (gnus-add-text-properties-when
+ 'article-type nil end (point-max)
+ (cons 'article-type (cons 'signature
+ gnus-hidden-properties)))))
+ (let ((gnus-article-mime-handle-alist-1 gnus-article-mime-handle-alist))
+ (gnus-set-mode-line 'article))))
+
+ (defun gnus-button-entry ()
+ ;; Return the first entry in `gnus-button-alist' matching this place.
+ (let ((alist gnus-button-alist)
+ (entry nil))
+ (while alist
+ (setq entry (pop alist))
+ (if (looking-at (eval (car entry)))
+ (setq alist nil)
+ (setq entry nil)))
+ entry))
+
+ (defun gnus-button-push (marker)
+ ;; Push button starting at MARKER.
+ (save-excursion
+ (goto-char marker)
+ (let* ((entry (gnus-button-entry))
+ (inhibit-point-motion-hooks t)
+ (fun (nth 3 entry))
+ (args (mapcar (lambda (group)
+ (let ((string (match-string group)))
+ (gnus-set-text-properties
+ 0 (length string) nil string)
+ string))
+ (nthcdr 4 entry))))
+ (cond
+ ((fboundp fun)
+ (apply fun args))
+ ((and (boundp fun)
+ (fboundp (symbol-value fun)))
+ (apply (symbol-value fun) args))
+ (t
+ (gnus-message 1 "You must define `%S' to use this button"
+ (cons fun args)))))))
+
+ (defun gnus-parse-news-url (url)
+ (let (scheme server group message-id articles)
+ (with-temp-buffer
+ (insert url)
+ (goto-char (point-min))
+ (when (looking-at "\\([A-Za-z]+\\):")
+ (setq scheme (match-string 1))
+ (goto-char (match-end 0)))
+ (when (looking-at "//\\([^/]+\\)/")
+ (setq server (match-string 1))
+ (goto-char (match-end 0)))
+
+ (cond
+ ((looking-at "\\(address@hidden)")
+ (setq message-id (match-string 1)))
+ ((looking-at "\\([^/]+\\)/\\([-0-9]+\\)")
+ (setq group (match-string 1)
+ articles (split-string (match-string 2) "-")))
+ ((looking-at "\\([^/]+\\)/?")
+ (setq group (match-string 1)))
+ (t
+ (error "Unknown news URL syntax"))))
+ (list scheme server group message-id articles)))
+
+ (defun gnus-button-handle-news (url)
+ "Fetch a news URL."
+ (destructuring-bind (scheme server group message-id articles)
+ (gnus-parse-news-url url)
+ (cond
+ (message-id
+ (save-excursion
+ (set-buffer gnus-summary-buffer)
+ (if server
+ (let ((gnus-refer-article-method (list (list 'nntp server))))
+ (gnus-summary-refer-article message-id))
+ (gnus-summary-refer-article message-id))))
+ (group
+ (gnus-button-fetch-group url)))))
+
+ (defun gnus-button-handle-man (url)
+ "Fetch a man page."
+ (funcall gnus-button-man-handler url))
+
+ (defun gnus-button-handle-info-url (url)
+ "Fetch an info URL."
+ (setq url (mm-subst-char-in-string ?+ ?\ url))
+ (cond
+ ((string-match "^\\([^:/]+\\)?/\\(.*\\)" url)
+ (gnus-info-find-node
+ (concat "(" (or (gnus-url-unhex-string (match-string 1 url))
+ "Gnus")
+ ")" (gnus-url-unhex-string (match-string 2 url)))))
+ ((string-match "([^)\"]+)[^\"]+" url)
+ (setq url
+ (gnus-replace-in-string
+ (gnus-replace-in-string url "[\n\t ]+" " ") "\"" ""))
+ (gnus-info-find-node url))
+ (t (error "Can't parse %s" url))))
+
+ (defun gnus-button-handle-info-url-gnome (url)
+ "Fetch GNOME style info URL."
+ (setq url (mm-subst-char-in-string ?_ ?\ url))
+ (if (string-match "\\([^#]+\\)#?\\(.*\\)" url)
+ (gnus-info-find-node
+ (concat "("
+ (gnus-url-unhex-string
+ (match-string 1 url))
+ ")"
+ (or (gnus-url-unhex-string
+ (match-string 2 url))
+ "Top")))
+ (error "Can't parse %s" url)))
+
+ (defun gnus-button-handle-info-url-kde (url)
+ "Fetch KDE style info URL."
+ (gnus-info-find-node (gnus-url-unhex-string url)))
+
+ (defun gnus-button-handle-info-keystrokes (url)
+ "Call `info' when pushing the corresponding URL button."
+ ;; For links like `C-h i d m gnus RET', `C-h i d m CC Mode RET'.
+ (info)
+ (Info-directory)
+ (Info-menu url))
+
+ (defun gnus-button-message-id (message-id)
+ "Fetch MESSAGE-ID."
+ (save-excursion
+ (set-buffer gnus-summary-buffer)
+ (gnus-summary-refer-article message-id)))
+
+ (defun gnus-button-fetch-group (address)
+ "Fetch GROUP specified by ADDRESS."
+ (if (not (string-match "[:/]" address))
+ ;; This is just a simple group url.
+ (gnus-group-read-ephemeral-group address gnus-select-method)
+ (if (not
+ (string-match
+ "^\\([^:/]+\\)\\(:\\([^/]+\\)\\)?/\\([^/]+\\)\\(/\\([0-9]+\\)\\)?"
+ address))
+ (error "Can't parse %s" address)
+ (gnus-group-read-ephemeral-group
+ (match-string 4 address)
+ `(nntp ,(match-string 1 address)
+ (nntp-address ,(match-string 1 address))
+ (nntp-port-number ,(if (match-end 3)
+ (match-string 3 address)
+ "nntp")))
+ nil nil nil
+ (and (match-end 6) (list (string-to-int (match-string 6 address))))))))
+
+ (defun gnus-url-parse-query-string (query &optional downcase)
+ (let (retval pairs cur key val)
+ (setq pairs (split-string query "&"))
+ (while pairs
+ (setq cur (car pairs)
+ pairs (cdr pairs))
+ (if (not (string-match "=" cur))
+ nil ; Grace
+ (setq key (gnus-url-unhex-string (substring cur 0 (match-beginning 0)))
+ val (gnus-url-unhex-string (substring cur (match-end 0) nil) t))
+ (if downcase
+ (setq key (downcase key)))
+ (setq cur (assoc key retval))
+ (if cur
+ (setcdr cur (cons val (cdr cur)))
+ (setq retval (cons (list key val) retval)))))
+ retval))
+
+ (defun gnus-url-mailto (url)
+ ;; Send mail to someone
+ (when (string-match "mailto:/*\\(.*\\)" url)
+ (setq url (substring url (match-beginning 1) nil)))
+ (let (to args subject func)
+ (setq args (gnus-url-parse-query-string
+ (if (string-match "^\\?" url)
+ (substring url 1)
+ (if (string-match "^\\([^?]+\\)\\?\\(.*\\)" url)
+ (concat "to=" (match-string 1 url) "&"
+ (match-string 2 url))
+ (concat "to=" url)))
+ t)
+ subject (cdr-safe (assoc "subject" args)))
+ (gnus-msg-mail)
+ (while args
+ (setq func (intern-soft (concat "message-goto-" (downcase (caar
args)))))
+ (if (fboundp func)
+ (funcall func)
+ (message-position-on-field (caar args)))
+ (insert (gnus-replace-in-string
+ (mapconcat 'identity (reverse (cdar args)) ", ")
+ "\r\n" "\n" t))
+ (setq args (cdr args)))
+ (if subject
+ (message-goto-body)
+ (message-goto-subject))))
+
+ (defun gnus-button-embedded-url (address)
+ "Activate ADDRESS with `browse-url'."
+ (browse-url (gnus-strip-whitespace address)))
+
+ ;;; Next/prev buttons in the article buffer.
+
+ (defvar gnus-next-page-line-format "%{%(Next page...%)%}\n")
+ (defvar gnus-prev-page-line-format "%{%(Previous page...%)%}\n")
+
+ (defvar gnus-prev-page-map
+ (let ((map (make-sparse-keymap)))
+ (unless (>= emacs-major-version 21)
+ ;; XEmacs doesn't care.
+ (set-keymap-parent map gnus-article-mode-map))
+ (define-key map gnus-mouse-2 'gnus-button-prev-page)
+ (define-key map "\r" 'gnus-button-prev-page)
+ map))
+
+ (defun gnus-insert-prev-page-button ()
+ (let ((b (point))
+ (buffer-read-only nil))
+ (gnus-eval-format
+ gnus-prev-page-line-format nil
+ `(,@(gnus-local-map-property gnus-prev-page-map)
+ gnus-prev t
+ gnus-callback gnus-article-button-prev-page
+ article-type annotation))
+ (widget-convert-button
+ 'link b (if (bolp)
+ ;; Exclude a newline.
+ (1- (point))
+ (point))
+ :action 'gnus-button-prev-page
+ :button-keymap gnus-prev-page-map)))
+
+ (defvar gnus-prev-page-map
+ (let ((map (make-sparse-keymap)))
+ (unless (>= emacs-major-version 21)
+ ;; XEmacs doesn't care.
+ (set-keymap-parent map gnus-article-mode-map))
+ (define-key map gnus-mouse-2 'gnus-button-prev-page)
+ (define-key map "\r" 'gnus-button-prev-page)
+ map))
+
+ (defvar gnus-next-page-map
+ (let ((map (make-sparse-keymap)))
+ (unless (>= emacs-major-version 21)
+ ;; XEmacs doesn't care.
+ (set-keymap-parent map gnus-article-mode-map))
+ (define-key map gnus-mouse-2 'gnus-button-next-page)
+ (define-key map "\r" 'gnus-button-next-page)
+ map))
+
+ (defun gnus-button-next-page (&optional args more-args)
+ "Go to the next page."
+ (interactive)
+ (let ((win (selected-window)))
+ (select-window (gnus-get-buffer-window gnus-article-buffer t))
+ (gnus-article-next-page)
+ (select-window win)))
+
+ (defun gnus-button-prev-page (&optional args more-args)
+ "Go to the prev page."
+ (interactive)
+ (let ((win (selected-window)))
+ (select-window (gnus-get-buffer-window gnus-article-buffer t))
+ (gnus-article-prev-page)
+ (select-window win)))
+
+ (defun gnus-insert-next-page-button ()
+ (let ((b (point))
+ (buffer-read-only nil))
+ (gnus-eval-format gnus-next-page-line-format nil
+ `(,@(gnus-local-map-property gnus-next-page-map)
+ gnus-next t
+ gnus-callback gnus-article-button-next-page
+ article-type annotation))
+ (widget-convert-button
+ 'link b (if (bolp)
+ ;; Exclude a newline.
+ (1- (point))
+ (point))
+ :action 'gnus-button-next-page
+ :button-keymap gnus-next-page-map)))
+
+ (defun gnus-article-button-next-page (arg)
+ "Go to the next page."
+ (interactive "P")
+ (let ((win (selected-window)))
+ (select-window (gnus-get-buffer-window gnus-article-buffer t))
+ (gnus-article-next-page)
+ (select-window win)))
+
+ (defun gnus-article-button-prev-page (arg)
+ "Go to the prev page."
+ (interactive "P")
+ (let ((win (selected-window)))
+ (select-window (gnus-get-buffer-window gnus-article-buffer t))
+ (gnus-article-prev-page)
+ (select-window win)))
+
+ (defvar gnus-decode-header-methods
+ '(mail-decode-encoded-word-region)
+ "List of methods used to decode headers.
+
+ This variable is a list of FUNCTION or (REGEXP . FUNCTION). If item
+ is FUNCTION, FUNCTION will be apply to all newsgroups. If item is a
+ \(REGEXP . FUNCTION), FUNCTION will be only apply to the newsgroups
+ whose names match REGEXP.
+
+ For example:
+ \((\"chinese\" . gnus-decode-encoded-word-region-by-guess)
+ mail-decode-encoded-word-region
+ (\"chinese\" . rfc1843-decode-region))
+ ")
+
+ (defvar gnus-decode-header-methods-cache nil)
+
+ (defun gnus-multi-decode-header (start end)
+ "Apply the functions from `gnus-encoded-word-methods' that match."
+ (unless (and gnus-decode-header-methods-cache
+ (eq gnus-newsgroup-name
+ (car gnus-decode-header-methods-cache)))
+ (setq gnus-decode-header-methods-cache (list gnus-newsgroup-name))
+ (mapcar (lambda (x)
+ (if (symbolp x)
+ (nconc gnus-decode-header-methods-cache (list x))
+ (if (and gnus-newsgroup-name
+ (string-match (car x) gnus-newsgroup-name))
+ (nconc gnus-decode-header-methods-cache
+ (list (cdr x))))))
+ gnus-decode-header-methods))
+ (let ((xlist gnus-decode-header-methods-cache))
+ (pop xlist)
+ (save-restriction
+ (narrow-to-region start end)
+ (while xlist
+ (funcall (pop xlist) (point-min) (point-max))))))
+
+ ;;;
+ ;;; Treatment top-level handling.
+ ;;;
+
+ (defun gnus-treat-article (condition &optional part-number total-parts type)
+ (let ((length (- (point-max) (point-min)))
+ (alist gnus-treatment-function-alist)
+ (article-goto-body-goes-to-point-min-p t)
+ (treated-type
+ (or (not type)
+ (catch 'found
+ (let ((list gnus-article-treat-types))
+ (while list
+ (when (string-match (pop list) type)
+ (throw 'found t)))))))
+ (highlightp (gnus-visual-p 'article-highlight 'highlight))
+ val elem)
+ (gnus-run-hooks 'gnus-part-display-hook)
+ (dolist (elem alist)
+ (setq val
+ (save-excursion
+ (when (gnus-buffer-live-p gnus-summary-buffer)
+ (set-buffer gnus-summary-buffer))
+ (symbol-value (car elem))))
+ (when (and (or (consp val)
+ treated-type)
+ (gnus-treat-predicate val)
+ (or (not (get (car elem) 'highlight))
+ highlightp))
+ (save-restriction
+ (funcall (cadr elem)))))))
+
+ ;; Dynamic variables.
+ (eval-when-compile
+ (defvar part-number)
+ (defvar total-parts)
+ (defvar type)
+ (defvar condition)
+ (defvar length))
+
+ (defun gnus-treat-predicate (val)
+ (cond
+ ((null val)
+ nil)
+ (condition
+ (eq condition val))
+ ((and (listp val)
+ (stringp (car val)))
+ (apply 'gnus-or (mapcar `(lambda (s)
+ (string-match s ,(or gnus-newsgroup-name "")))
+ val)))
+ ((listp val)
+ (let ((pred (pop val)))
+ (cond
+ ((eq pred 'or)
+ (apply 'gnus-or (mapcar 'gnus-treat-predicate val)))
+ ((eq pred 'and)
+ (apply 'gnus-and (mapcar 'gnus-treat-predicate val)))
+ ((eq pred 'not)
+ (not (gnus-treat-predicate (car val))))
+ ((eq pred 'typep)
+ (equal (car val) type))
+ (t
+ (error "%S is not a valid predicate" pred)))))
+ ((eq val t)
+ t)
+ ((eq val 'head)
+ nil)
+ ((eq val 'last)
+ (eq part-number total-parts))
+ ((numberp val)
+ (< length val))
+ (t
+ (error "%S is not a valid value" val))))
+
+ (defun gnus-article-encrypt-body (protocol &optional n)
+ "Encrypt the article body."
+ (interactive
+ (list
+ (or gnus-article-encrypt-protocol
+ (completing-read "Encrypt protocol: "
+ gnus-article-encrypt-protocol-alist
+ nil t))
+ current-prefix-arg))
+ (let ((func (cdr (assoc protocol gnus-article-encrypt-protocol-alist))))
+ (unless func
+ (error (format "Can't find the encrypt protocol %s" protocol)))
+ (if (member gnus-newsgroup-name '("nndraft:delayed"
+ "nndraft:drafts"
+ "nndraft:queue"))
+ (error "Can't encrypt the article in group %s"
+ gnus-newsgroup-name))
+ (gnus-summary-iterate n
+ (save-excursion
+ (set-buffer gnus-summary-buffer)
+ (let ((mail-parse-charset gnus-newsgroup-charset)
+ (mail-parse-ignored-charsets gnus-newsgroup-ignored-charsets)
+ (summary-buffer gnus-summary-buffer)
+ references point)
+ (gnus-set-global-variables)
+ (when (gnus-group-read-only-p)
+ (error "The current newsgroup does not support article encrypt"))
+ (gnus-summary-show-article t)
+ (setq references
+ (or (mail-header-references gnus-current-headers) ""))
+ (set-buffer gnus-article-buffer)
+ (let* ((buffer-read-only nil)
+ (headers
+ (mapcar (lambda (field)
+ (and (save-restriction
+ (message-narrow-to-head)
+ (goto-char (point-min))
+ (search-forward field nil t))
+ (prog2
+ (message-narrow-to-field)
+ (buffer-string)
+ (delete-region (point-min) (point-max))
+ (widen))))
+ '("Content-Type:" "Content-Transfer-Encoding:"
+ "Content-Disposition:"))))
+ (message-narrow-to-head)
+ (message-remove-header "MIME-Version")
+ (goto-char (point-max))
+ (setq point (point))
+ (insert (apply 'concat headers))
+ (widen)
+ (narrow-to-region point (point-max))
+ (let ((message-options message-options))
+ (message-options-set 'message-sender user-mail-address)
+ (message-options-set 'message-recipients user-mail-address)
+ (message-options-set 'message-sign-encrypt 'not)
+ (funcall func))
+ (goto-char (point-min))
+ (insert "MIME-Version: 1.0\n")
+ (widen)
+ (gnus-summary-edit-article-done
+ references nil summary-buffer t))
+ (when gnus-keep-backlog
+ (gnus-backlog-remove-article
+ (car gnus-article-current) (cdr gnus-article-current)))
+ (save-excursion
+ (when (get-buffer gnus-original-article-buffer)
+ (set-buffer gnus-original-article-buffer)
+ (setq gnus-original-article nil)))
+ (when gnus-use-cache
+ (gnus-cache-update-article
+ (car gnus-article-current) (cdr gnus-article-current))))))))
+
+ (defvar gnus-mime-security-button-line-format "%{%([[%t:%i]%D]%)%}\n"
+ "The following specs can be used:
+ %t The security MIME type
+ %i Additional info
+ %d Details
+ %D Details if button is pressed")
+
+ (defvar gnus-mime-security-button-end-line-format "%{%([[End of %t]%D]%)%}\n"
+ "The following specs can be used:
+ %t The security MIME type
+ %i Additional info
+ %d Details
+ %D Details if button is pressed")
+
+ (defvar gnus-mime-security-button-line-format-alist
+ '((?t gnus-tmp-type ?s)
+ (?i gnus-tmp-info ?s)
+ (?d gnus-tmp-details ?s)
+ (?D gnus-tmp-pressed-details ?s)))
+
+ (defvar gnus-mime-security-button-map
+ (let ((map (make-sparse-keymap)))
+ (unless (>= (string-to-number emacs-version) 21)
+ (set-keymap-parent map gnus-article-mode-map))
+ (define-key map gnus-mouse-2 'gnus-article-push-button)
+ (define-key map "\r" 'gnus-article-press-button)
+ map))
+
+ (defvar gnus-mime-security-details-buffer nil)
+
+ (defvar gnus-mime-security-button-pressed nil)
+
+ (defvar gnus-mime-security-show-details-inline t
+ "If non-nil, show details in the article buffer.")
+
+ (defun gnus-mime-security-verify-or-decrypt (handle)
+ (mm-remove-parts (cdr handle))
+ (let ((region (mm-handle-multipart-ctl-parameter handle 'gnus-region))
+ point buffer-read-only)
+ (if region
+ (goto-char (car region)))
+ (save-restriction
+ (narrow-to-region (point) (point))
+ (with-current-buffer (mm-handle-multipart-original-buffer handle)
+ (let* ((mm-verify-option 'known)
+ (mm-decrypt-option 'known)
+ (nparts (mm-possibly-verify-or-decrypt (cdr handle) handle)))
+ (unless (eq nparts (cdr handle))
+ (mm-destroy-parts (cdr handle))
+ (setcdr handle nparts))))
+ (setq point (point))
+ (gnus-mime-display-security handle)
+ (goto-char (point-max)))
+ (when region
+ (delete-region (point) (cdr region))
+ (set-marker (car region) nil)
+ (set-marker (cdr region) nil))
+ (goto-char point)))
+
+ (defun gnus-mime-security-show-details (handle)
+ (let ((details (mm-handle-multipart-ctl-parameter handle 'gnus-details)))
+ (if (not details)
+ (gnus-message 5 "No details.")
+ (if gnus-mime-security-show-details-inline
+ (let ((gnus-mime-security-button-pressed
+ (not (get-text-property (point) 'gnus-mime-details)))
+ (gnus-mime-security-button-line-format
+ (get-text-property (point) 'gnus-line-format))
+ buffer-read-only)
+ (forward-char -1)
+ (while (eq (get-text-property (point) 'gnus-line-format)
+ gnus-mime-security-button-line-format)
+ (forward-char -1))
+ (forward-char)
+ (save-restriction
+ (narrow-to-region (point) (point))
+ (gnus-insert-mime-security-button handle))
+ (delete-region (point)
+ (or (text-property-not-all
+ (point) (point-max)
+ 'gnus-line-format
+ gnus-mime-security-button-line-format)
+ (point-max))))
+ ;; Not inlined.
+ (if (gnus-buffer-live-p gnus-mime-security-details-buffer)
+ (with-current-buffer gnus-mime-security-details-buffer
+ (erase-buffer)
+ t)
+ (setq gnus-mime-security-details-buffer
+ (gnus-get-buffer-create "*MIME Security Details*")))
+ (with-current-buffer gnus-mime-security-details-buffer
+ (insert details)
+ (goto-char (point-min)))
+ (pop-to-buffer gnus-mime-security-details-buffer)))))
+
+ (defun gnus-mime-security-press-button (handle)
+ (save-excursion
+ (if (mm-handle-multipart-ctl-parameter handle 'gnus-info)
+ (gnus-mime-security-show-details handle)
+ (gnus-mime-security-verify-or-decrypt handle))))
+
+ (defun gnus-insert-mime-security-button (handle &optional displayed)
+ (let* ((protocol (mm-handle-multipart-ctl-parameter handle 'protocol))
+ (gnus-tmp-type
+ (concat
+ (or (nth 2 (assoc protocol mm-verify-function-alist))
+ (nth 2 (assoc protocol mm-decrypt-function-alist))
+ "Unknown")
+ (if (equal (car handle) "multipart/signed")
+ " Signed" " Encrypted")
+ " Part"))
+ (gnus-tmp-info
+ (or (mm-handle-multipart-ctl-parameter handle 'gnus-info)
+ "Undecided"))
+ (gnus-tmp-details
+ (mm-handle-multipart-ctl-parameter handle 'gnus-details))
+ gnus-tmp-pressed-details
+ b e)
+ (setq gnus-tmp-details
+ (if gnus-tmp-details
+ (concat "\n" gnus-tmp-details)
+ ""))
+ (setq gnus-tmp-pressed-details
+ (if gnus-mime-security-button-pressed gnus-tmp-details ""))
+ (unless (bolp)
+ (insert "\n"))
+ (setq b (point))
+ (gnus-eval-format
+ gnus-mime-security-button-line-format
+ gnus-mime-security-button-line-format-alist
+ `(,@(gnus-local-map-property gnus-mime-security-button-map)
+ gnus-callback gnus-mime-security-press-button
+ gnus-line-format ,gnus-mime-security-button-line-format
+ gnus-mime-details ,gnus-mime-security-button-pressed
+ article-type annotation
+ gnus-data ,handle))
+ (setq e (if (bolp)
+ ;; Exclude a newline.
+ (1- (point))
+ (point)))
+ (widget-convert-button
+ 'link b e
+ :mime-handle handle
+ :action 'gnus-widget-press-button
+ :button-keymap gnus-mime-security-button-map
+ :help-echo
+ (lambda (widget/window &optional overlay pos)
+ ;; Needed to properly clear the message due to a bug in
+ ;; wid-edit (XEmacs only).
+ (when (boundp 'help-echo-owns-message)
+ (setq help-echo-owns-message t))
+ (format
+ "%S: show detail"
+ (aref gnus-mouse-2 0))))))
+
+ (defun gnus-mime-display-security (handle)
+ (save-restriction
+ (narrow-to-region (point) (point))
+ (unless (gnus-unbuttonized-mime-type-p (car handle))
+ (gnus-insert-mime-security-button handle))
+ (gnus-mime-display-mixed (cdr handle))
+ (unless (bolp)
+ (insert "\n"))
+ (unless (gnus-unbuttonized-mime-type-p (car handle))
+ (let ((gnus-mime-security-button-line-format
+ gnus-mime-security-button-end-line-format))
+ (gnus-insert-mime-security-button handle)))
+ (mm-set-handle-multipart-parameter
+ handle 'gnus-region
+ (cons (set-marker (make-marker) (point-min))
+ (set-marker (make-marker) (point-max))))))
+
+ (gnus-ems-redefine)
+
+ (provide 'gnus-art)
+
+ (run-hooks 'gnus-art-load-hook)
+
+ ;;; arch-tag: 2654516f-6279-48f9-a83b-05c1fa450c33
+ ;;; gnus-art.el ends here
| [Prev in Thread] |
Current Thread |
[Next in Thread] |
- [Emacs-diffs] Changes to emacs/lisp/gnus/gnus-art.el [gnus-5_10-branch],
Andreas Schwab <=