;;; gnus-cite.el --- parse citations in articles for Gnus
-;; Copyright (C) 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003
+;; Copyright (C) 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004
;; Free Software Foundation, Inc.
;; Author: Per Abhiddenware
(require 'gnus)
(require 'gnus-range)
+(require 'gnus-art)
(require 'message) ; for message-cite-prefix-regexp
;;; Customization:
:group 'gnus-cite
:type 'regexp)
+(defcustom gnus-cite-ignore-quoted-from t
+ "Non-nil means don't regard lines beginning with \">From \" as cited text.
+Those lines may have been quoted by MTAs in order not to mix up with
+the envelope From line."
+ :group 'gnus-cite
+ :type 'boolean)
+
(defface gnus-cite-attribution-face '((t
(:italic t)))
"Face used for attribution lines.")
(defcustom gnus-cite-blank-line-after-header t
"If non-nil, put a blank line between the citation header and the button."
+ :version "21.4"
:group 'gnus-cite
:type 'boolean)
If an article has more pages below the one you are looking at, but
nothing on those pages is a word of at least three letters that is not
in a boring face, then the pages will be skipped."
+ :version "21.4"
:type '(repeat face)
:group 'gnus-article-hiding)
(goto-char (point-min))
(forward-line (1- number))
(when (re-search-forward gnus-cite-attribution-suffix
- (gnus-point-at-eol)
+ (point-at-eol)
t)
(gnus-article-add-button (match-beginning 1) (match-end 1)
'gnus-cite-toggle prefix))
variables are ignored.
See also the documentation for `gnus-article-highlight-citation'."
(interactive (append (gnus-article-hidden-arg) '(force)))
- (unless (gnus-article-check-hidden-text 'cite arg)
- (save-excursion
- (set-buffer gnus-article-buffer)
- (gnus-cite-parse-maybe force)
- (article-goto-body)
- (let ((start (point))
- (atts gnus-cite-attribution-alist)
- (buffer-read-only nil)
- (inhibit-point-motion-hooks t)
- (hidden 0)
- total)
- (goto-char (point-max))
- (gnus-article-search-signature)
- (setq total (count-lines start (point)))
- (while atts
- (setq hidden (+ hidden (length (cdr (assoc (cdar atts)
- gnus-cite-prefix-alist))))
- atts (cdr atts)))
- (when (or force
- (and (> (* 100 hidden) (* gnus-cite-hide-percentage total))
- (> hidden gnus-cite-hide-absolute)))
- (setq atts gnus-cite-attribution-alist)
+ (with-current-buffer gnus-article-buffer
+ (gnus-delete-wash-type 'cite)
+ (unless (gnus-article-check-hidden-text 'cite arg)
+ (save-excursion
+ (gnus-cite-parse-maybe force)
+ (article-goto-body)
+ (let ((start (point))
+ (atts gnus-cite-attribution-alist)
+ (buffer-read-only nil)
+ (inhibit-point-motion-hooks t)
+ (hidden 0)
+ total)
+ (goto-char (point-max))
+ (gnus-article-search-signature)
+ (setq total (count-lines start (point)))
(while atts
- (setq total (cdr (assoc (cdar atts) gnus-cite-prefix-alist))
- atts (cdr atts))
- (while total
- (setq hidden (car total)
- total (cdr total))
- (goto-char (point-min))
- (forward-line (1- hidden))
- (unless (assq hidden gnus-cite-attribution-alist)
- (gnus-add-text-properties
- (point) (progn (forward-line 1) (point))
- (nconc (list 'article-type 'cite)
- gnus-hidden-properties))))))))))
+ (setq hidden (+ hidden (length (cdr (assoc (cdar atts)
+ gnus-cite-prefix-alist))))
+ atts (cdr atts)))
+ (when (or force
+ (and (> (* 100 hidden) (* gnus-cite-hide-percentage total))
+ (> hidden gnus-cite-hide-absolute)))
+ (gnus-add-wash-type 'cite)
+ (setq atts gnus-cite-attribution-alist)
+ (while atts
+ (setq total (cdr (assoc (cdar atts) gnus-cite-prefix-alist))
+ atts (cdr atts))
+ (while total
+ (setq hidden (car total)
+ total (cdr total))
+ (goto-char (point-min))
+ (forward-line (1- hidden))
+ (unless (assq hidden gnus-cite-attribution-alist)
+ (gnus-add-text-properties
+ (point) (progn (forward-line 1) (point))
+ (nconc (list 'article-type 'cite)
+ gnus-hidden-properties)))))))))
+ (gnus-set-mode-line 'article)))
(defun gnus-article-hide-citation-in-followups ()
"Hide cited text in non-root articles."
(gnus-article-search-signature)
(point)))
(prefix-regexp (concat "^\\(" message-cite-prefix-regexp "\\)"))
- alist entry start begin end numbers prefix guess-limit mc-flag)
+ alist entry start begin end numbers prefix guess-limit)
;; Get all potential prefixes in `alist'.
(while (< (point) max)
;; Each line.
(setq begin (point)
guess-limit (progn (skip-chars-forward "^> \t\r\n") (point))
- end (gnus-point-at-bol 2)
+ end (point-at-bol 2)
start end)
(goto-char begin)
;; Ignore standard Supercite attribution prefix.
;; Ignore very long prefixes.
(when (> end (+ begin gnus-cite-max-prefix))
(setq end (+ begin gnus-cite-max-prefix)))
+ ;; Ignore quoted envelope From_.
+ (when (and gnus-cite-ignore-quoted-from
+ (prog2
+ (setq case-fold-search nil)
+ (looking-at ">From ")
+ (setq case-fold-search t)))
+ (setq end (1+ begin)))
(while (re-search-forward prefix-regexp (1- end) t)
;; Each prefix.
(setq end (match-end 0)
prefix (buffer-substring begin end))
- (gnus-set-text-properties 0 (length prefix) nil prefix)
+ (set-text-properties 0 (length prefix) nil prefix)
(setq entry (assoc prefix alist))
(if entry
(setcdr entry (cons line (cdr entry)))
(let ((al (buffer-substring (save-excursion (beginning-of-line 0)
(1+ (point)))
end)))
- (if (not (assoc al al-alist))
- (progn
- (push (list wrote in prefix tag)
- gnus-cite-loose-attribution-alist)
- (push (cons al t) al-alist))))))))
+ (when (not (assoc al al-alist))
+ (push (list wrote in prefix tag)
+ gnus-cite-loose-attribution-alist)
+ (push (cons al t) al-alist)))))))
(defun gnus-cite-connect-attributions ()
;; Connect attributions to citations
from to overlay)
(goto-char (point-min))
(when (zerop (forward-line (1- number)))
- (static-if (or (featurep 'xemacs)
- (and (eq emacs-major-version 20)
- (>= emacs-minor-version 3))
- (>= emacs-major-version 21))
- (forward-char (length prefix))
- (move-to-column (string-width prefix)))
+ (forward-char (length prefix))
(skip-chars-forward " \t")
(setq from (point))
(end-of-line 1)