2000-11-22 16:00:00 ShengHuo ZHU <zsh@cs.rochester.edu>

[gnus] / lisp / gnus-cite.el

diff --git a/lisp/gnus-cite.el b/lisp/gnus-cite.el
index ee18ac3..a5c96fc 100644 (file)
--- a/lisp/gnus-cite.el
+++ b/lisp/gnus-cite.el
@@ -1,5 +1,6 @@
 ;;; gnus-cite.el --- parse citations in articles for Gnus
-;; Copyright (C) 1995,96,97,98,99 Free Software Foundation, Inc.
+;; Copyright (C) 1995, 1996, 1997, 1998, 1999, 2000
+;;        Free Software Foundation, Inc.
 
 ;; Author: Per Abhiddenware; you can redistribute it and/or modify
 ;; it under the terms of the GNU General Public License as published by
@@ -25,6 +26,7 @@
 (require 'gnus)
 (require 'gnus-art)
 (require 'gnus-range)
+(require 'message)     ; for message-cite-prefix-regexp
 
 ;;; Customization:
 
@@ -73,19 +75,13 @@ Set it to nil to parse all articles."
   :type '(choice (const :tag "all" nil)
                 integer))
 
-(defcustom gnus-cite-prefix-regexp
-  "^[]>»|:}+ ]*[]>»|:}+]\\(.*>»\\)?\\|^.*>"
-  "*Regexp matching the longest possible citation prefix on a line."
-  :group 'gnus-cite
-  :type 'regexp)
-
 (defcustom gnus-cite-max-prefix 20
   "Maximum possible length for a citation prefix."
   :group 'gnus-cite
   :type 'integer)
 
 (defcustom gnus-supercite-regexp
-  (concat "^\\(" gnus-cite-prefix-regexp "\\)? *"
+  (concat "^\\(" message-cite-prefix-regexp "\\)? *"
          ">>>>> +\"\\([^\"\n]+\\)\" +==")
   "*Regexp matching normal Supercite attribution lines.
 The first grouping must match prefixes added by other packages."
@@ -305,7 +301,7 @@ Attribution lines are highlighted with the same face as the
 corresponding citation merged with `gnus-cite-attribution-face'.
 
 Text is considered cited if at least `gnus-cite-minimum-match-count'
-lines matches `gnus-cite-prefix-regexp' with the same prefix.
+lines matches `message-cite-prefix-regexp' with the same prefix.
 
 Lines matching `gnus-cite-attribution-suffix' and perhaps
 `gnus-cite-attribution-prefix' are considered attribution lines."
@@ -662,23 +658,26 @@ See also the documentation for `gnus-article-highlight-citation'."
               (goto-char (point-max))
               (gnus-article-search-signature)
               (point)))
-       alist entry start begin end numbers prefix)
+       (prefix-regexp (concat "^\\(" message-cite-prefix-regexp "\\)"))
+       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 (progn (beginning-of-line 2) (point))
            start end)
       (goto-char begin)
       ;; Ignore standard Supercite attribution prefix.
-      (when (looking-at gnus-supercite-regexp)
+      (when (and (< guess-limit (+ begin gnus-cite-max-prefix))
+                (looking-at gnus-supercite-regexp))
        (if (match-end 1)
            (setq end (1+ (match-end 1)))
          (setq end (1+ begin))))
       ;; Ignore very long prefixes.
-      (when (> end (+ (point) gnus-cite-max-prefix))
-       (setq end (+ (point) gnus-cite-max-prefix)))
-      (while (re-search-forward gnus-cite-prefix-regexp (1- end) t)
+      (when (> end (+ begin gnus-cite-max-prefix))
+       (setq end (+ begin gnus-cite-max-prefix)))
+      (while (re-search-forward prefix-regexp (1- end) t)
        ;; Each prefix.
        (setq end (match-end 0)
              prefix (buffer-substring begin end))
@@ -966,4 +965,8 @@ See also the documentation for `gnus-article-highlight-citation'."
 
 (provide 'gnus-cite)
 
+;; Local Variables:
+;; coding: iso-8859-1
+;; End:
+
 ;;; gnus-cite.el ends here