;;; gnus-art.el --- article mode commands for Gnus
-;; Copyright (C) 1996,97,98 Free Software Foundation, Inc.
+;; Copyright (C) 1996,97,98,99 Free Software Foundation, Inc.
;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
;; Keywords: news
(require 'gnus-int)
(require 'browse-url)
(require 'mm-bodies)
-(require 'drums)
+(require 'mail-parse)
(require 'mm-decode)
(require 'mm-view)
+(require 'wid-edit)
+(require 'mm-uu)
(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")
(defcustom gnus-ignored-headers
'("^Path:" "^Expires:" "^Date-Received:" "^References:" "^Xref:" "^Lines:"
- "^Relay-Version:" "^Message-ID:" "^Approved:" "^Sender:" "^Received:"
+ "^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-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:"
+ "^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-Fingerprint:" "^X-Pgp-Key-Id:"
- "^X-Pgp-Public-Key-Url:" "^X-Auth:" "^X-From-Line:"
+ "^Old-Received:" "^X-Pgp" "^X-Auth:" "^X-From-Line:"
"^X-Gnus-Article-Number:" "^X-Majordomo:" "^X-Url:" "^X-Sender:"
- "^X-Mailing-List:" "^MBOX-Line" "^Priority:" "^X-Pgp" "^X400-[-A-Za-z]+:"
- "^Status:")
+ "^MBOX-Line" "^Priority:" "^X-Pgp" "^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:")
"*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:\\|^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:\\|^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."
:group 'gnus-article-signature)
(defcustom gnus-signature-limit nil
- "Provide a limit to what is considered a signature.
+ "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
:group 'gnus-article-hiding)
(defcustom gnus-article-x-face-command
- "{ echo '/* Width=48, Height=48 */'; uncompface; } | icontopbm | xv -quit -"
+ "{ 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."
(defcustom gnus-emphasis-alist
(let ((format
- "\\(\\s-\\|^\\|[-\"]\\|\\s(\\|\\s)\\)\\(%s\\(\\w+\\(\\s-+\\w+\\)*[.,]?\\)%s\\)\\(\\s-\\|[-?!.,;:\"]\\|\\s(\\|\\s)\\)")
+ "\\(\\s-\\|^\\|[-\"]\\|\\s(\\)\\(%s\\(\\w+\\(\\s-+\\w+\\)*[.,]?\\)%s\\)\\(\\s-\\|[-,;:\"]\\s-\\|[?!.]+\\s-\\|\\s)\\)")
(types
'(("_" "_" underline)
("/" "/" italic)
:group 'gnus-article-emphasis)
(defface gnus-emphasis-underline-italic '((t (:italic t :underline t)))
- "Face used for displaying underlined italic emphasized text (_*word*_)."
+ "Face used for displaying underlined italic emphasized text (_/word/_)."
:group 'gnus-article-emphasis)
(defface gnus-emphasis-bold-italic '((t (:bold t :italic t)))
Esample: (_/*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.
:type 'regexp
:group 'gnus-article-various)
-(defcustom gnus-article-mode-line-format "Gnus: %g %S"
+(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."
+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)
:group 'gnus-article-various)
(defcustom gnus-article-prepare-hook nil
- "*A hook called after an article has been prepared in the article buffer.
-If you want to run a special decoding program like nkf, use this hook."
+ "*A hook called after an article has been prepared in the article buffer."
:type 'hook
:group 'gnus-article-various)
(face :value default)))))
(defcustom gnus-article-decode-hook
- '(article-decode-charset article-decode-rfc1522)
+ '(article-decode-charset article-decode-encoded-words)
"*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-headers
+ :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
+ '(("\202" ",")
+ ("\203" "f")
+ ("\204" ",,")
+ ("\205" "...")
+ ("\213" "<")
+ ("\214" "OE")
+ ("\221" "`")
+ ("\222" "'")
+ ("\223" "``")
+ ("\224" "\"")
+ ("\225" "*")
+ ("\226" "---")
+ ("\227" "-")
+ ("\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."
+ :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."
+ :group 'gnus-article-mime
+ :type '(repeat regexp))
+
+(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.")
+
+(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)."
+ :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."
+ :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)))
+
+;;;
+;;; 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 last (typep "text/x-vcard"))
+ "Highlight the signature.
+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)
+(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 the manual for details."
+ :group 'gnus-article-treat
+ :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 the manual for details."
+ :group 'gnus-article-treat
+ :type gnus-article-treat-head-custom)
+(put 'gnus-treat-buttonize-head 'highlight t)
+
+(defcustom gnus-treat-emphasize 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)
+(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 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.
+See the manual for details."
+ :group 'gnus-article-treat
+ :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 the manual for details."
+ :group 'gnus-article-treat
+ :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 the manual for details."
+ :group 'gnus-article-treat
+ :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 the manual for details."
+ :group 'gnus-article-treat
+ :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 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."
+ :group 'gnus-article-treat
+ :type gnus-article-treat-custom)
+
+(defcustom gnus-treat-strip-pgp t
+ "Strip PGP signatures.
+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-pem nil
+ "Strip PEM signatures.
+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-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 the manual for details."
+ :group 'gnus-article-treat
+ :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 the manual for details."
+ :group 'gnus-article-treat
+ :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 the manual for details."
+ :group 'gnus-article-treat
+ :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 the manual for details."
+ :group 'gnus-article-treat
+ :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 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.
+See the manual for details."
+ :group 'gnus-article-treat
+ :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 the manual for details."
+ :group 'gnus-article-treat
+ :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 the manual for details."
+ :group 'gnus-article-treat
+ :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 the manual for details."
+ :group 'gnus-article-treat
+ :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 the manual for details."
+ :group 'gnus-article-treat
+ :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 the manual for details."
+ :group 'gnus-article-treat
+ :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 the manual for details."
+ :group 'gnus-article-treat
+ :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 the manual for details."
+ :group 'gnus-article-treat
+ :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 the manual for details."
+ :group 'gnus-article-treat
+ :type gnus-article-treat-custom)
+(put 'gnus-treat-overstrike 'highlight t)
+
+(defcustom gnus-treat-display-xface (if (and gnus-xemacs (featurep 'xface))
+ 'head nil)
+ "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
+ :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)
+ "Display smileys.
+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)
+(put 'gnus-treat-display-smileys 'highlight t)
+
+(defcustom gnus-treat-display-picons (if gnus-xemacs 'head nil)
+ "Display picons.
+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)
+(put 'gnus-treat-display-picons 'highlight t)
+
+(defcustom gnus-treat-capitalize-sentences nil
+ "Capitalize sentence-starting words.
+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-fill-long-lines nil
+ "
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