;;; gnus-art.el --- article mode commands for Gnus
-;; Copyright (C) 1996-2000 Free Software Foundation, Inc.
+;; Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001
+;; Free Software Foundation, Inc.
;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
;; Keywords: news
(eval-when-compile (require 'cl))
-(require 'custom)
(require 'gnus)
(require 'gnus-sum)
(require 'gnus-spec)
(require 'gnus-int)
-(require 'browse-url)
(require 'mm-bodies)
(require 'mail-parse)
(require 'mm-decode)
(require 'wid-edit)
(require 'mm-uu)
+(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")
"^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:" "^X-Pgp" "^X400-[-A-Za-z]+:"
+ "^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:"
"^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-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:")
"*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."
: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:\\|^Apparently-To:\\|^Gnus-Warning:\\|^Resent-From:\\|^X-Sent:"
+ "^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."
(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', `newsgroups', `followup-to',
-`reply-to', `date', `long-to', and `many-to'."
+Possible values in this list are:
+
+ 'empty Headers with no content.
+ 'newsgroups Newsgroup identical to Gnus group.
+ 'to-address To identical to To-address.
+ '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 with only one group." newsgroups)
- (const :tag "Followup-to identical to newsgroups." followup-to)
- (const :tag "Reply-to identical to from." reply-to)
+ (const :tag "Newsgroups identical to Gnus group." newsgroups)
+ (const :tag "To identical to To-address." to-address)
+ (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 "Very long To and/or Cc header." long-to)
+ (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)
:type 'sexp
:group 'gnus-article-hiding)
+;; Fixme: This isn't the right thing for mixed graphical and and
+;; non-graphical frames in a session.
+;; gnus-xmas.el overrides this for XEmacs.
(defcustom gnus-article-x-face-command
- "{ echo '/* Width=48, Height=48 */'; uncompface; } | icontopbm | display -"
+ (if (and (fboundp 'image-type-available-p)
+ (image-type-available-p 'xbm))
+ 'gnus-article-display-xface
+ (if gnus-article-compface-xbm
+ "{ echo '/* Width=48, Height=48 */'; uncompface; } | display -"
+ "{ 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 'string ;Leave function case to Lisp.
+ :type '(choice string
+ (function-item gnus-article-display-xface)
+ function)
+ :version "21.1"
:group 'gnus-article-washing)
(defcustom gnus-article-x-face-too-ugly nil
: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-emphasis-alist
(let ((format
"\\(\\s-\\|^\\|[-\"]\\|\\s(\\)\\(%s\\(\\w+\\(\\s-+\\w+\\)*[.,]?\\)%s\\)\\(\\s-\\|[-,;:\"]\\s-\\|[?!.]+\\s-\\|\\s)\\)")
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)
: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-signature)
(defface gnus-signature-face
- '((((type x))
+ '((t
(:italic t)))
"Face used for highlighting a signature in the article buffer."
:group 'gnus-article-highlight
"Function used to decode headers.")
(defvar gnus-article-dumbquotes-map
- '(("\202" ",")
+ '(("\200" "EUR")
+ ("\202" ",")
("\203" "f")
("\204" ",,")
("\205" "...")
("\223" "``")
("\224" "\"")
("\225" "*")
- ("\226" "---")
- ("\227" "-")
+ ("\226" "-")
+ ("\227" "--")
("\231" "(TM)")
("\233" ">")
("\234" "oe")
(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."
+ :version "21.1"
:group 'gnus-article-mime
:type '(repeat regexp))
:type 'function)
(defcustom gnus-mime-multipart-functions nil
- "An alist of MIME types to functions to display them.")
+ "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
+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
+ :type '(choice
(item :tag "first" :value nil)
(item :tag "undisplayed" :value undisplayed)
- (item :tag "undisplayed or alternative"
+ (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)
+ ("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)
+ ("internalize type" . gnus-mime-internalize-part)
+ ("externalize type" . gnus-mime-externalize-part))
+ "An alist of actions that run on the MIME attachment."
+ :group 'gnus-article-mime
+ :type '(repeat (cons (string :tag "name")
+ (function))))
+
+(defcustom gnus-mime-action-alist
+ '(("save to file" . gnus-mime-save-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)
+ ("view as type" . gnus-mime-view-part-as-type)
+ ("internalize type" . gnus-mime-internalize-part)
+ ("externalize type" . gnus-mime-externalize-part))
+ "An alist of actions that run on the MIME attachment."
+ :version "21.1"
+ :group 'gnus-article-mime
+ :type '(repeat (cons (string :tag "name")
+ (function))))
+
;;;
;;; The treatment variables
;;;
:type gnus-article-treat-head-custom)
(put 'gnus-treat-buttonize-head 'highlight t)
-(defcustom gnus-treat-emphasize 50000
+(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 the manual for details."
:group 'gnus-article-treat
: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 the manual for details."
+ :group 'gnus-article-treat
+ :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.
:group 'gnus-article-treat
: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 the manual for details."
+ :group 'gnus-article-treat
+ :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 the manual for details."
+ :group 'gnus-article-treat
+ :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 the manual for details."
+ :version "21.1"
:group 'gnus-article-treat
:type gnus-article-treat-custom)
:group 'gnus-article-treat
: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 the manual for details."
+ :group 'gnus-article-treat
+ :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.
"Display the date in the ISO8601 format.
Valid values are nil, t, `head', `last', an integer or a predicate.
See the manual for details."
+ :version "21.1"
:group 'gnus-article-treat
:type gnus-article-treat-head-custom)
"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 the manual for details."
+ :version "21.1"
:group 'gnus-article-treat
:type gnus-article-treat-custom)
:type gnus-article-treat-custom)
(put 'gnus-treat-overstrike 'highlight t)
-(defcustom gnus-treat-display-xface (if (and gnus-xemacs (featurep 'xface))
- 'head nil)
+(defcustom gnus-treat-display-xface
+ (and (or (and (fboundp 'image-type-available-p)
+ (image-type-available-p 'xbm)
+ (string-match "^0x" (shell-command-to-string "uncompface")))
+ (and (featurep 'xemacs) (featurep 'xface)))
+ 'head)
"Display X-Face headers.
Valid values are nil, t, `head', `last', an integer or a predicate.
See the manual for details."
:group 'gnus-article-treat
+ :version "21.1"
:type gnus-article-treat-head-custom)
(put 'gnus-treat-display-xface 'highlight t)
-(defcustom gnus-treat-display-smileys (if (and gnus-xemacs
- (featurep 'xpm))
- t nil)
+(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 the manual for details."
:group 'gnus-article-treat
+ :version "21.1"
:type gnus-article-treat-custom)
(put 'gnus-treat-display-smileys 'highlight t)
-(defcustom gnus-treat-display-picons (if gnus-xemacs 'head nil)
+(defcustom gnus-treat-display-picons (if (featurep 'xemacs) 'head nil)
"Display picons.
Valid values are nil, t, `head', `last', an integer or a predicate.
See the manual for details."
"Capitalize sentence-starting words.
Valid values are nil, t, `head', `last', an integer or a predicate.
See the manual for details."
+ :version "21.1"
:group 'gnus-article-treat
:type gnus-article-treat-custom)
"Play sounds.
Valid values are nil, t, `head', `last', an integer or a predicate.
See the manual for details."
+ :version "21.1"
:group 'gnus-article-treat
: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 the manual for details."
+ :version "21.1"
+ :group 'gnus-article-treat
+ :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 the manual for details."
:group 'gnus-article-treat
+ :group 'mime-security
: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)
+
;;; 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-mime-handle-alist-1 nil)
(defvar gnus-treatment-function-alist
- '((gnus-treat-strip-banner gnus-article-strip-banner)
+ '((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-strip-cr gnus-article-remove-cr)
(gnus-treat-emphasize gnus-article-emphasize)
(gnus-treat-display-xface gnus-article-display-x-face)
+ (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-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-hide-citation gnus-article-hide-citation)
+ (gnus-treat-hide-citation-maybe gnus-article-hide-citation-maybe)
(gnus-treat-strip-list-identifiers gnus-article-hide-list-identifiers)
+ (gnus-treat-leading-whitespace gnus-article-remove-leading-whitespace)
(gnus-treat-strip-pgp gnus-article-hide-pgp)
(gnus-treat-strip-pem gnus-article-hide-pem)
(gnus-treat-highlight-headers gnus-article-highlight-headers)
(gnus-treat-highlight-citation gnus-article-highlight-citation)
(gnus-treat-highlight-signature gnus-article-highlight-signature)
- (gnus-treat-date-ut gnus-article-date-ut)
- (gnus-treat-date-local gnus-article-date-local)
- (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-strip-trailing-blank-lines
gnus-article-remove-trailing-blank-lines)
(gnus-treat-strip-leading-blank-lines
(defvar gnus-article-mode-syntax-table
(let ((table (copy-syntax-table text-mode-syntax-table)))
- (modify-syntax-entry ?- "w" table)
+ ;; This causes the citation match run O(2^n).
+ ;; (modify-syntax-entry ?- "w" table)
(modify-syntax-entry ?> ")" table)
(modify-syntax-entry ?< "(" table)
table)
(defsubst gnus-article-hide-text (b e props)
"Set text PROPS on the B to E region, extending `intangible' 1 past B."
- (add-text-properties b e props)
+ (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)
;; `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)
+ (while (re-search-forward "^[^ \t:]*:" nil t)
(beginning-of-line)
;; Mark the rank of the header.
(put-text-property
'boring-headers)))
;; Hide boring Newsgroups header.
((eq elem 'newsgroups)
- (when (equal (gnus-fetch-field "newsgroups")
- (gnus-group-real-name
- (if (boundp 'gnus-newsgroup-name)
- gnus-newsgroup-name
- "")))
+ (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 'followup-to)
- (when (equal (message-fetch-field "followup-to")
- (message-fetch-field "newsgroups"))
+ (when (gnus-string-equal
+ (message-fetch-field "followup-to")
+ (message-fetch-field "newsgroups"))
(gnus-article-hide-header "followup-to")))
((eq elem 'reply-to)
(let ((from (message-fetch-field "from"))
(when (and
from reply-to
projects / gnus / blobdiff