lisp/gnus/nnrss.el

   1 ;;; nnrss.el --- interfacing with RSS
   2
   3 ;; Copyright (C) 2001, 2002, 2003, 2004, 2005, 2006, 2007,
   4 ;;   2008, 2009  Free Software Foundation, Inc.
   5
   6 ;; Author: Shenghuo Zhu <zsh@cs.rochester.edu>
   7 ;; Keywords: RSS
   8
   9 ;; This file is part of GNU Emacs.
  10
  11 ;; GNU Emacs is free software: you can redistribute it and/or modify
  12 ;; it under the terms of the GNU General Public License as published by
  13 ;; the Free Software Foundation, either version 3 of the License, or
  14 ;; (at your option) any later version.
  15
  16 ;; GNU Emacs is distributed in the hope that it will be useful,
  17 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
  18 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  19 ;; GNU General Public License for more details.
  20
  21 ;; You should have received a copy of the GNU General Public License
  22 ;; along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.
  23
  24 ;;; Commentary:
  25
  26 ;;; Code:
  27
  28 ;; For Emacs < 22.2.
  29 (eval-and-compile
  30   (unless (fboundp 'declare-function) (defmacro declare-function (&rest r))))
  31
  32 (eval-when-compile (require 'cl))
  33
  34 (require 'gnus)
  35 (require 'nnoo)
  36 (require 'nnmail)
  37 (require 'message)
  38 (require 'mm-util)
  39 (require 'gnus-util)
  40 (require 'time-date)
  41 (require 'rfc2231)
  42 (require 'mm-url)
  43 (require 'rfc2047)
  44 (require 'mml)
  45 (eval-when-compile
  46   (ignore-errors
  47    (require 'xml)))
  48 (eval '(require 'xml))
  49
  50 (nnoo-declare nnrss)
  51
  52 (defvoo nnrss-directory (nnheader-concat gnus-directory "rss/")
  53   "Where nnrss will save its files.")
  54
  55 (defvoo nnrss-ignore-article-fields '(slash:comments)
  56   "*List of fields that should be ignored when comparing RSS articles.
  57 Some RSS feeds update article fields during their lives, e.g. to
  58 indicate the number of comments or the number of times the
  59 articles have been seen.  However, if there is a difference
  60 between the local article and the distant one, the latter is
  61 considered to be new.  To avoid this and discard some fields, set
  62 this variable to the list of fields to be ignored.")
  63
  64 ;; (group max rss-url)
  65 (defvoo nnrss-server-data nil)
  66
  67 ;; (num timestamp url subject author date extra)
  68 (defvoo nnrss-group-data nil)
  69 (defvoo nnrss-group-max 0)
  70 (defvoo nnrss-group-min 1)
  71 (defvoo nnrss-group nil)
  72 (defvoo nnrss-group-hashtb (make-hash-table :test 'equal))
  73 (defvoo nnrss-status-string "")
  74
  75 (defconst nnrss-version "nnrss 1.0")
  76
  77 (defvar nnrss-group-alist '()
  78   "List of RSS addresses.")
  79
  80 (defvar nnrss-use-local nil)
  81
  82 (defvar nnrss-description-field 'X-Gnus-Description
  83   "Field name used for DESCRIPTION.
  84 To use the description in headers, put this name into `nnmail-extra-headers'.")
  85
  86 (defvar nnrss-url-field 'X-Gnus-Url
  87   "Field name used for URL.
  88 To use the description in headers, put this name into `nnmail-extra-headers'.")
  89
  90 (defvar nnrss-content-function nil
  91   "A function which is called in `nnrss-request-article'.
  92 The arguments are (ENTRY GROUP ARTICLE).
  93 ENTRY is the record of the current headline.  GROUP is the group name.
  94 ARTICLE is the article number of the current headline.")
  95
  96 (defvar nnrss-file-coding-system mm-universal-coding-system
  97   "*Coding system used when reading and writing files.
  98 If you run Gnus with various versions of Emacsen, the value of this
  99 variable should be the coding system that all those Emacsen support.
 100 Note that you have to regenerate all the nnrss groups if you change
 101 the value.  Moreover, you should be patient even if you are made to
 102 read the same articles twice, that arises for the difference of the
 103 versions of xml.el.")
 104
 105 (defvar nnrss-compatible-encoding-alist
 106   (delq nil (mapcar (lambda (elem)
 107                       (if (and (mm-coding-system-p (car elem))
 108                                (mm-coding-system-p (cdr elem)))
 109                           elem))
 110                     mm-charset-override-alist))
 111   "Alist of encodings and those supersets.
 112 The cdr of each element is used to decode data if it is available when
 113 the car is what the data specify as the encoding.  Or, the car is used
 114 for decoding when the cdr that the data specify is not available.")
 115
 116 (defvar nnrss-wash-html-in-text-plain-parts nil
 117   "*Non-nil means render text in text/plain parts as HTML.
 118 The function specified by the `mm-text-html-renderer' variable will be
 119 used to render text.  If it is nil, text will simply be folded.")
 120
 121 (nnoo-define-basics nnrss)
 122
 123 ;;; Interface functions
 124
 125 (defsubst nnrss-format-string (string)
 126   (gnus-replace-in-string string " *\n *" " "))
 127
 128 (defun nnrss-decode-group-name (group)
 129   (if (and group (mm-coding-system-p 'utf-8))
 130       (setq group (mm-decode-coding-string group 'utf-8))
 131     group))
 132
 133 (deffoo nnrss-retrieve-headers (articles &optional group server fetch-old)
 134   (setq group (nnrss-decode-group-name group))
 135   (nnrss-possibly-change-group group server)
 136   (let (e)
 137     (save-excursion
 138       (set-buffer nntp-server-buffer)
 139       (erase-buffer)
 140       (dolist (article articles)
 141         (if (setq e (assq article nnrss-group-data))
 142             (insert (number-to-string (car e)) "\t" ;; number
 143                     ;; subject
 144                     (or (nth 3 e) "")
 145                     "\t"
 146                     ;; from
 147                     (or (nth 4 e) "(nobody)")
 148                     "\t"
 149                     ;; date
 150                     (or (nth 5 e) "")
 151                     "\t"
 152                     ;; id
 153                     (format "<%d@%s.nnrss>" (car e) group)
 154                     "\t"
 155                     ;; refs
 156                     "\t"
 157                     ;; chars
 158                     "-1" "\t"
 159                     ;; lines
 160                     "-1" "\t"
 161                     ;; Xref
 162                     "" "\t"
 163                     (if (and (nth 6 e)
 164                              (memq nnrss-description-field
 165                                    nnmail-extra-headers))
 166                         (concat (symbol-name nnrss-description-field)
 167                                 ": "
 168                                 (nnrss-format-string (nth 6 e))
 169                                 "\t")
 170                       "")
 171                     (if (and (nth 2 e)
 172                              (memq nnrss-url-field
 173                                    nnmail-extra-headers))
 174                         (concat (symbol-name nnrss-url-field)
 175                                 ": "
 176                                 (nnrss-format-string (nth 2 e))
 177                                 "\t")
 178                       "")
 179                     "\n")))))
 180   'nov)
 181
 182 (deffoo nnrss-request-group (group &optional server dont-check)
 183   (setq group (nnrss-decode-group-name group))
 184   (nnheader-message 6 "nnrss: Requesting %s..." group)
 185   (nnrss-possibly-change-group group server)
 186   (prog1
 187       (if dont-check
 188           t
 189         (nnrss-check-group group server)
 190         (nnheader-report 'nnrss "Opened group %s" group)
 191         (nnheader-insert
 192          "211 %d %d %d %s\n" nnrss-group-max nnrss-group-min nnrss-group-max
 193          (prin1-to-string group)
 194          t))
 195     (nnheader-message 6 "nnrss: Requesting %s...done" group)))
 196
 197 (deffoo nnrss-close-group (group &optional server)
 198   t)
 199
 200 (defvar mm-text-html-renderer)
 201 (defvar mm-text-html-washer-alist)
 202
 203 (deffoo nnrss-request-article (article &optional group server buffer)
 204   (setq group (nnrss-decode-group-name group))
 205   (when (stringp article)
 206     (setq article (if (string-match "\\`<\\([0-9]+\\)@" article)
 207                       (string-to-number (match-string 1 article))
 208                     0)))
 209   (nnrss-possibly-change-group group server)
 210   (let ((e (assq article nnrss-group-data))
 211         (nntp-server-buffer (or buffer nntp-server-buffer))
 212         post err)
 213     (when e
 214       (with-current-buffer nntp-server-buffer
 215         (erase-buffer)
 216         (if group
 217             (insert "Newsgroups: " group "\n"))
 218         (if (nth 3 e)
 219             (insert "Subject: " (nth 3 e) "\n"))
 220         (if (nth 4 e)
 221             (insert "From: " (nth 4 e) "\n"))
 222         (if (nth 5 e)
 223             (insert "Date: " (nnrss-format-string (nth 5 e)) "\n"))
 224         (let ((header (buffer-string))
 225               (text (nth 6 e))
 226               (link (nth 2 e))
 227               (enclosure (nth 7 e))
 228               (comments (nth 8 e))
 229               ;; Enable encoding of Newsgroups header in XEmacs.
 230               (default-enable-multibyte-characters t)
 231               (rfc2047-header-encoding-alist
 232                (if (mm-coding-system-p 'utf-8)
 233                    (cons '("Newsgroups" . utf-8)
 234                          rfc2047-header-encoding-alist)
 235                  rfc2047-header-encoding-alist))
 236               rfc2047-encode-encoded-words body fn)
 237           (when (or text link enclosure comments)
 238             (insert "\n")
 239             (insert "<#multipart type=alternative>\n"
 240                     "<#part type=\"text/plain\">\n")
 241             (setq body (point))
 242             (when text
 243               (insert text)
 244               (goto-char body)
 245               (if (and nnrss-wash-html-in-text-plain-parts
 246                        (progn
 247                          (require 'mm-view)
 248                          (setq fn (or (cdr (assq mm-text-html-renderer
 249                                                  mm-text-html-washer-alist))
 250                                       mm-text-html-renderer))))
 251                   (progn
 252                     (narrow-to-region body (point-max))
 253                     (if (functionp fn)
 254                         (funcall fn)
 255                       (apply (car fn) (cdr fn)))
 256                     (widen)
 257                     (goto-char body)
 258                     (re-search-forward "[^\t\n ]" nil t)
 259                     (beginning-of-line)
 260                     (delete-region body (point))
 261                     (goto-char (point-max))
 262                     (skip-chars-backward "\t\n ")
 263                     (end-of-line)
 264                     (delete-region (point) (point-max))
 265                     (insert "\n"))
 266                 (while (re-search-forward "\n+" nil t)
 267                   (replace-match " "))
 268                 (goto-char body)
 269                 ;; See `nnrss-check-group', which inserts "<br /><br />".
 270                 (when (search-forward "<br /><br />" nil t)
 271                   (if (eobp)
 272                       (replace-match "\n")
 273                     (replace-match "\n\n")))
 274                 (unless (eobp)
 275                   (let ((fill-column default-fill-column)
 276                         (window (get-buffer-window nntp-server-buffer)))
 277                     (when window
 278                       (setq fill-column
 279                             (max 1 (/ (* (window-width window) 7) 8))))
 280                     (fill-region (point) (point-max))
 281                     (goto-char (point-max))
 282                     ;; XEmacs version of `fill-region' inserts newline.
 283                     (unless (bolp)
 284                       (insert "\n")))))
 285               (when (or link enclosure)
 286                 (insert "\n")))
 287             (when link
 288               (insert link "\n"))
 289             (when enclosure
 290               (insert (car enclosure) " "
 291                       (nth 2 enclosure) " "
 292                       (nth 3 enclosure) "\n"))
 293             (when comments
 294               (insert comments "\n"))
 295             (setq body (buffer-substring body (point)))
 296             (insert "<#/part>\n"
 297                     "<#part type=\"text/html\">\n"
 298                     "<html><head></head><body>\n")
 299             (when text
 300               (insert text "\n"))
 301             (when link
 302               (insert "<p><a href=\"" link "\">link</a></p>\n"))
 303             (when enclosure
 304               (insert "<p><a href=\"" (car enclosure) "\">"
 305                       (cadr enclosure) "</a> " (nth 2 enclosure)
 306                       " " (nth 3 enclosure) "</p>\n"))
 307             (when comments
 308               (insert "<p><a href=\"" comments "\">comments</a></p>\n"))
 309             (insert "</body></html>\n"
 310                     "<#/part>\n"
 311                     "<#/multipart>\n"))
 312           (condition-case nil
 313               (mml-to-mime)
 314             (error
 315              (erase-buffer)
 316              (insert header
 317                      "Content-Type: text/plain; charset=gnus-decoded\n"
 318                      "Content-Transfer-Encoding: 8bit\n\n"
 319                      body)
 320              (nnheader-message
 321               3 "Warning - there might be invalid characters"))))
 322         (goto-char (point-min))
 323         (search-forward "\n\n")
 324         (forward-line -1)
 325         (insert (format "Message-ID: <%d@%s.nnrss>\n"
 326                         (car e)
 327                         (let ((rfc2047-encoding-type 'mime)
 328                               rfc2047-encode-max-chars)
 329                           (rfc2047-encode-string
 330                            (gnus-replace-in-string group "[\t\n ]+" "_")))))
 331         (when nnrss-content-function
 332           (funcall nnrss-content-function e group article))))
 333     (cond
 334      (err
 335       (nnheader-report 'nnrss err))
 336      ((not e)
 337       (nnheader-report 'nnrss "no such id: %d" article))
 338      (t
 339       (nnheader-report 'nnrss "article %s retrieved" (car e))
 340       ;; we return the article number.
 341       (cons nnrss-group (car e))))))
 342
 343 (deffoo nnrss-request-list (&optional server)
 344   (nnrss-possibly-change-group nil server)
 345   (nnrss-generate-active)
 346   t)
 347
 348 (deffoo nnrss-open-server (server &optional defs connectionless)
 349   (nnrss-read-server-data server)
 350   (nnoo-change-server 'nnrss server defs)
 351   t)
 352
 353 (deffoo nnrss-request-expire-articles
 354     (articles group &optional server force)
 355   (setq group (nnrss-decode-group-name group))
 356   (nnrss-possibly-change-group group server)
 357   (let (e days not-expirable changed)
 358     (dolist (art articles)
 359       (if (and (setq e (assq art nnrss-group-data))
 360                (nnmail-expired-article-p
 361                 group
 362                 (if (listp (setq days (nth 1 e))) days
 363                   (days-to-time (- days (time-to-days '(0 0)))))
 364                 force))
 365           (setq nnrss-group-data (delq e nnrss-group-data)
 366                 changed t)
 367         (push art not-expirable)))
 368     (if changed
 369         (nnrss-save-group-data group server))
 370     not-expirable))
 371
 372 (deffoo nnrss-request-delete-group (group &optional force server)
 373   (setq group (nnrss-decode-group-name group))
 374   (nnrss-possibly-change-group group server)
 375   (let (elem)
 376     ;; There may be two or more entries in `nnrss-group-alist' since
 377     ;; this function didn't delete them formerly.
 378     (while (setq elem (assoc group nnrss-group-alist))
 379       (setq nnrss-group-alist (delq elem nnrss-group-alist))))
 380   (setq nnrss-server-data
 381         (delq (assoc group nnrss-server-data) nnrss-server-data))
 382   (nnrss-save-server-data server)
 383   (ignore-errors
 384     (let ((file-name-coding-system nnmail-pathname-coding-system))
 385       (delete-file (nnrss-make-filename group server))))
 386   t)
 387
 388 (deffoo nnrss-request-list-newsgroups (&optional server)
 389   (nnrss-possibly-change-group nil server)
 390   (save-excursion
 391     (set-buffer nntp-server-buffer)
 392     (erase-buffer)
 393     (dolist (elem nnrss-group-alist)
 394       (if (third elem)
 395           (insert (car elem) "\t" (third elem) "\n"))))
 396   t)
 397
 398 (nnoo-define-skeleton nnrss)
 399
 400 ;;; Internal functions
 401 (eval-when-compile (defun xml-rpc-method-call (&rest args)))
 402
 403 (defun nnrss-get-encoding ()
 404   "Return an encoding attribute specified in the current xml contents.
 405 If `nnrss-compatible-encoding-alist' specifies the compatible encoding,
 406 it is used instead.  If the xml contents doesn't specify the encoding,
 407 return `utf-8' which is the default encoding for xml if it is available,
 408 otherwise return nil."
 409   (goto-char (point-min))
 410   (if (re-search-forward
 411        "<\\?[^>]*encoding=\\(?:\"\\([^\">]+\\)\"\\|'\\([^'>]+\\)'\\)"
 412        nil t)
 413       (let ((encoding (intern (downcase (or (match-string 1)
 414                                             (match-string 2))))))
 415         (or
 416          (mm-coding-system-p (cdr (assq encoding
 417                                         nnrss-compatible-encoding-alist)))
 418          (mm-coding-system-p encoding)
 419          (mm-coding-system-p (car (rassq encoding
 420                                          nnrss-compatible-encoding-alist)))))
 421     (mm-coding-system-p 'utf-8)))
 422
 423 (declare-function w3-parse-buffer "ext:w3-parse" (&optional buff))
 424
 425 (defun nnrss-fetch (url &optional local)
 426   "Fetch URL and put it in a the expected Lisp structure."
 427   (mm-with-unibyte-buffer
 428     ;;some CVS versions of url.el need this to close the connection quickly
 429     (let (cs xmlform htmlform)
 430       ;; bit o' work necessary for w3 pre-cvs and post-cvs
 431       (if local
 432           (let ((coding-system-for-read 'binary))
 433             (insert-file-contents url))
 434         ;; FIXME: shouldn't binding `coding-system-for-read' be moved
 435         ;; to `mm-url-insert'?
 436         (let ((coding-system-for-read 'binary))
 437           (condition-case err
 438               (mm-url-insert url)
 439             (error (if (or debug-on-quit debug-on-error)
 440                        (signal (car err) (cdr err))
 441                      (message "nnrss: Failed to fetch %s" url))))))
 442       (nnheader-remove-cr-followed-by-lf)
 443       ;; Decode text according to the encoding attribute.
 444       (when (setq cs (nnrss-get-encoding))
 445         (insert (prog1
 446                     (mm-decode-coding-string (buffer-string) cs)
 447                   (erase-buffer)
 448                   (mm-enable-multibyte))))
 449       (goto-char (point-min))
 450
 451       ;; Because xml-parse-region can't deal with anything that isn't
 452       ;; xml and w3-parse-buffer can't deal with some xml, we have to
 453       ;; parse with xml-parse-region first and, if that fails, parse
 454       ;; with w3-parse-buffer.  Yuck.  Eventually, someone should find out
 455       ;; why w3-parse-buffer fails to parse some well-formed xml and
 456       ;; fix it.
 457
 458       (condition-case err1
 459           (setq xmlform (xml-parse-region (point-min) (point-max)))
 460         (error
 461          (condition-case err2
 462              (setq htmlform (caddar (w3-parse-buffer
 463                                      (current-buffer))))
 464            (error
 465             (message "\
 466 nnrss: %s: Not valid XML %s and w3-parse doesn't work %s"
 467                      url err1 err2)))))
 468       (if htmlform
 469           htmlform
 470         xmlform))))
 471
 472 (defun nnrss-possibly-change-group (&optional group server)
 473   (when (and server
 474              (not (nnrss-server-opened server)))
 475     (nnrss-open-server server))
 476   (when (and group (not (equal group nnrss-group)))
 477     (nnrss-read-group-data group server)
 478     (setq nnrss-group group)))
 479
 480 (defvar nnrss-extra-categories '(nnrss-snarf-moreover-categories))
 481
 482 (defun nnrss-generate-active ()
 483   (when (y-or-n-p "Fetch extra categories? ")
 484     (mapc 'funcall nnrss-extra-categories))
 485   (save-excursion
 486     (set-buffer nntp-server-buffer)
 487     (erase-buffer)
 488     (dolist (elem nnrss-group-alist)
 489       (insert (prin1-to-string (car elem)) " 0 1 y\n"))
 490     (dolist (elem nnrss-server-data)
 491       (unless (assoc (car elem) nnrss-group-alist)
 492         (insert (prin1-to-string (car elem)) " 0 1 y\n")))))
 493
 494 (autoload 'timezone-parse-date "timezone")
 495
 496 (defun nnrss-normalize-date (date)
 497   "Return a date string of DATE in the RFC822 style.
 498 This function handles the ISO 8601 date format described in
 499 <URL:http://www.w3.org/TR/NOTE-datetime>, and also the RFC822 style
 500 which RSS 2.0 allows."
 501   (let (case-fold-search vector year month day time zone cts given)
 502     (cond ((null date))                 ; do nothing for this case
 503           ;; if the date is just digits (unix time stamp):
 504           ((string-match "^[0-9]+$" date)
 505            (setq given (seconds-to-time (string-to-number date))))
 506           ;; RFC822
 507           ((string-match " [0-9]+ " date)
 508            (setq vector (timezone-parse-date date)
 509                  year (string-to-number (aref vector 0)))
 510            (when (>= year 1969)
 511              (setq month (string-to-number (aref vector 1))
 512                    day (string-to-number (aref vector 2)))
 513              (unless (>= (length (setq time (aref vector 3))) 3)
 514                (setq time "00:00:00"))
 515              (when (and (setq zone (aref vector 4))
 516                         (not (string-match "\\`[A-Z+-]" zone)))
 517                (setq zone nil))))
 518           ;; ISO 8601
 519           ((string-match
 520             (eval-when-compile
 521               (concat
 522                ;; 1. year
 523                "\\(199[0-9]\\|20[0-9][0-9]\\)"
 524                "\\(?:-"
 525                ;; 2. month
 526                "\\([01][0-9]\\)"
 527                "\\(?:-"
 528                ;; 3. day
 529                "\\([0-3][0-9]\\)"
 530                "\\)?\\)?\\(?:T"
 531                ;; 4. hh:mm
 532                "\\([012][0-9]:[0-5][0-9]\\)"
 533                "\\(?:"
 534                ;; 5. :ss
 535                "\\(:[0-5][0-9]\\)"
 536                "\\(?:\\.[0-9]+\\)?\\)?\\)?"
 537                ;; 6+7,8,9. zone
 538                "\\(?:\\(?:\\([+-][012][0-9]\\):\\([0-5][0-9]\\)\\)"
 539                "\\|\\([+-][012][0-9][0-5][0-9]\\)"
 540                "\\|\\(Z\\)\\)?"))
 541             date)
 542            (setq year (string-to-number (match-string 1 date))
 543                  month (string-to-number (or (match-string 2 date) "1"))
 544                  day (string-to-number (or (match-string 3 date) "1"))
 545                  time (if (match-beginning 5)
 546                           (substring date (match-beginning 4) (match-end 5))
 547                         (concat (or (match-string 4 date) "00:00") ":00"))
 548                  zone (cond ((match-beginning 6)
 549                              (concat (match-string 6 date)
 550                                      (match-string 7 date)))
 551                             ((match-beginning 9) ;; Z
 552                              "+0000")
 553                             (t ;; nil if zone is not provided.
 554                              (match-string 8 date))))))
 555     (if month
 556         (progn
 557           (setq cts (current-time-string (encode-time 0 0 0 day month year)))
 558           (format "%s, %02d %s %04d %s%s"
 559                   (substring cts 0 3) day (substring cts 4 7) year time
 560                   (if zone
 561                       (concat " " zone)
 562                     "")))
 563       (message-make-date given))))
 564
 565 ;;; data functions
 566
 567 (defun nnrss-read-server-data (server)
 568   (setq nnrss-server-data nil)
 569   (let ((file (nnrss-make-filename "nnrss" server))
 570         (file-name-coding-system nnmail-pathname-coding-system))
 571     (when (file-exists-p file)
 572       ;; In Emacs 21.3 and earlier, `load' doesn't support non-ASCII
 573       ;; file names.  So, we use `insert-file-contents' instead.
 574       (mm-with-multibyte-buffer
 575         (let ((coding-system-for-read nnrss-file-coding-system))
 576           (insert-file-contents file)
 577           (eval-region (point-min) (point-max)))))))
 578
 579 (defun nnrss-save-server-data (server)
 580   (gnus-make-directory nnrss-directory)
 581   (let ((coding-system-for-write nnrss-file-coding-system)
 582         (file-name-coding-system nnmail-pathname-coding-system))
 583     (with-temp-file (nnrss-make-filename "nnrss" server)
 584       (insert (format ";; -*- coding: %s; -*-\n"
 585                       nnrss-file-coding-system))
 586       (gnus-prin1 `(setq nnrss-group-alist ',nnrss-group-alist))
 587       (insert "\n")
 588       (gnus-prin1 `(setq nnrss-server-data ',nnrss-server-data)))))
 589
 590 (defun nnrss-read-group-data (group server)
 591   (setq nnrss-group-data nil)
 592   (if (hash-table-p nnrss-group-hashtb)
 593       (clrhash nnrss-group-hashtb)
 594     (setq nnrss-group-hashtb (make-hash-table :test 'equal)))
 595   (let ((pair (assoc group nnrss-server-data)))
 596     (setq nnrss-group-max (or (cadr pair) 0))
 597     (setq nnrss-group-min (+ nnrss-group-max 1)))
 598   (let ((file (nnrss-make-filename group server))
 599         (file-name-coding-system nnmail-pathname-coding-system))
 600     (when (file-exists-p file)
 601       ;; In Emacs 21.3 and earlier, `load' doesn't support non-ASCII
 602       ;; file names.  So, we use `insert-file-contents' instead.
 603       (mm-with-multibyte-buffer
 604         (let ((coding-system-for-read nnrss-file-coding-system))
 605           (insert-file-contents file)
 606           (eval-region (point-min) (point-max))))
 607       (dolist (e nnrss-group-data)
 608         (puthash (nth 9 e) t nnrss-group-hashtb)
 609         (when (and (car e) (> nnrss-group-min (car e)))
 610           (setq nnrss-group-min (car e)))
 611         (when (and (car e) (< nnrss-group-max (car e)))
 612           (setq nnrss-group-max (car e)))))))
 613
 614 (defun nnrss-save-group-data (group server)
 615   (gnus-make-directory nnrss-directory)
 616   (let ((coding-system-for-write nnrss-file-coding-system)
 617         (file-name-coding-system nnmail-pathname-coding-system))
 618     (with-temp-file (nnrss-make-filename group server)
 619       (insert (format ";; -*- coding: %s; -*-\n"
 620                       nnrss-file-coding-system))
 621       (gnus-prin1 `(setq nnrss-group-data ',nnrss-group-data)))))
 622
 623 (defun nnrss-make-filename (name server)
 624   (expand-file-name
 625    (nnrss-translate-file-chars
 626     (concat name
 627             (and server
 628                  (not (equal server ""))
 629                  "-")
 630             server
 631             ".el"))
 632    nnrss-directory))
 633
 634 (gnus-add-shutdown 'nnrss-close 'gnus)
 635
 636 (defun nnrss-close ()
 637   "Clear internal nnrss variables."
 638   (setq nnrss-group-data nil
 639         nnrss-server-data nil
 640         nnrss-group-hashtb nil
 641         nnrss-group-alist nil))
 642
 643 ;;; URL interface
 644
 645 (defun nnrss-no-cache (url)
 646   "")
 647
 648 (defun nnrss-insert-w3 (url)
 649   (mm-with-unibyte-current-buffer
 650     (condition-case err
 651         (mm-url-insert url)
 652       (error (if (or debug-on-quit debug-on-error)
 653                  (signal (car err) (cdr err))
 654                (message "nnrss: Failed to fetch %s" url))))))
 655
 656 (defun nnrss-decode-entities-string (string)
 657   (if string
 658       (mm-with-multibyte-buffer
 659         (insert string)
 660         (mm-url-decode-entities-nbsp)
 661         (buffer-string))))
 662
 663 (defalias 'nnrss-insert 'nnrss-insert-w3)
 664
 665 (defun nnrss-mime-encode-string (string)
 666   (mm-with-multibyte-buffer
 667     (insert string)
 668     (mm-url-decode-entities-nbsp)
 669     (goto-char (point-min))
 670     (while (re-search-forward "[\t\n ]+" nil t)
 671       (replace-match " "))
 672     (goto-char (point-min))
 673     (skip-chars-forward " ")
 674     (delete-region (point-min) (point))
 675     (goto-char (point-max))
 676     (skip-chars-forward " ")
 677     (delete-region (point) (point-max))
 678     (let ((rfc2047-encoding-type 'mime)
 679           rfc2047-encode-max-chars)
 680       (rfc2047-encode-region (point-min) (point-max)))
 681     (goto-char (point-min))
 682     (while (search-forward "\n" nil t)
 683       (delete-backward-char 1))
 684     (buffer-string)))
 685
 686 ;;; Snarf functions
 687 (defun nnrss-make-hash-index (item)
 688   (gnus-message 9 "nnrss: Making hash index of %s" (gnus-prin1-to-string item))
 689   (setq item (gnus-remove-if
 690               (lambda (field)
 691                 (when (listp field)
 692                   (memq (car field) nnrss-ignore-article-fields)))
 693               item))
 694   (md5 (gnus-prin1-to-string item)
 695        nil nil
 696        nnrss-file-coding-system))
 697
 698 (defun nnrss-check-group (group server)
 699   (let (file xml subject url extra changed author date feed-subject
 700              enclosure comments rss-ns rdf-ns content-ns dc-ns
 701              hash-index)
 702     (if (and nnrss-use-local
 703              (file-exists-p (setq file (expand-file-name
 704                                         (nnrss-translate-file-chars
 705                                          (concat group ".xml"))
 706                                         nnrss-directory))))
 707         (setq xml (nnrss-fetch file t))
 708       (setq url (or (nth 2 (assoc group nnrss-server-data))
 709                     (second (assoc group nnrss-group-alist))))
 710       (unless url
 711         (setq url
 712               (cdr
 713                (assoc 'href
 714                       (nnrss-discover-feed
 715                        (read-string
 716                         (format "URL to search for %s: " group) "http://")))))
 717         (let ((pair (assoc group nnrss-server-data)))
 718           (if pair
 719               (setcdr (cdr pair) (list url))
 720             (push (list group nnrss-group-max url) nnrss-server-data)))
 721         (setq changed t))
 722       (setq xml (nnrss-fetch url)))
 723     ;; See
 724     ;; http://feeds.archive.org/validator/docs/howto/declare_namespaces.html
 725     ;; for more RSS namespaces.
 726     (setq dc-ns (nnrss-get-namespace-prefix xml "http://purl.org/dc/elements/1.1/")
 727           rdf-ns (nnrss-get-namespace-prefix xml "http://www.w3.org/1999/02/22-rdf-syntax-ns#")
 728           rss-ns (nnrss-get-namespace-prefix xml "http://purl.org/rss/1.0/")
 729           content-ns (nnrss-get-namespace-prefix xml "http://purl.org/rss/1.0/modules/content/"))
 730     (dolist (item (nreverse (nnrss-find-el (intern (concat rss-ns "item")) xml)))
 731       (when (and (listp item)
 732                  (string= (concat rss-ns "item") (car item))
 733                  (progn (setq hash-index (nnrss-make-hash-index item))
 734                         (not (gethash hash-index nnrss-group-hashtb))))
 735         (setq subject (nnrss-node-text rss-ns 'title item))
 736         (setq url (nnrss-decode-entities-string
 737                    (nnrss-node-text rss-ns 'link (cddr item))))
 738         (setq extra (or (nnrss-node-text content-ns 'encoded item)
 739                         (nnrss-node-text rss-ns 'description item)))
 740         (if (setq feed-subject (nnrss-node-text dc-ns 'subject item))
 741             (setq extra (concat feed-subject "<br /><br />" extra)))
 742         (setq author (or (nnrss-node-text rss-ns 'author item)
 743                          (nnrss-node-text dc-ns 'creator item)
 744                          (nnrss-node-text dc-ns 'contributor item)))
 745         (setq date (nnrss-normalize-date
 746                     (or (nnrss-node-text dc-ns 'date item)
 747                         (nnrss-node-text rss-ns 'pubDate item))))
 748         (setq comments (nnrss-node-text rss-ns 'comments item))
 749         (when (setq enclosure (cadr (assq (intern (concat rss-ns "enclosure")) item)))
 750           (let ((url (cdr (assq 'url enclosure)))
 751                 (len (cdr (assq 'length enclosure)))
 752                 (type (cdr (assq 'type enclosure)))
 753                 (name))
 754             (setq len
 755                   (if (and len (integerp (setq len (string-to-number len))))
 756                       ;; actually already in `ls-lisp-format-file-size' but
 757                       ;; probably not worth to require it for one function
 758                       (do ((size (/ len 1.0) (/ size 1024.0))
 759                            (post-fixes (list "" "k" "M" "G" "T" "P" "E")
 760                                        (cdr post-fixes)))
 761                           ((< size 1024)
 762                            (format "%.1f%s" size (car post-fixes))))
 763                     "0"))
 764             (setq url (or url ""))
 765             (setq name (if (string-match "/\\([^/]*\\)$" url)
 766                            (match-string 1 url)
 767                          "file"))
 768             (setq type (or type ""))
 769             (setq enclosure (list url name len type))))
 770         (push
 771          (list
 772           (incf nnrss-group-max)
 773           (current-time)
 774           url
 775           (and subject (nnrss-mime-encode-string subject))
 776           (and author (nnrss-mime-encode-string author))
 777           date
 778           (and extra (nnrss-decode-entities-string extra))
 779           enclosure
 780           comments
 781           hash-index)
 782          nnrss-group-data)
 783         (puthash hash-index t nnrss-group-hashtb)
 784         (setq changed t))
 785       (setq extra nil))
 786     (when changed
 787       (nnrss-save-group-data group server)
 788       (let ((pair (assoc group nnrss-server-data)))
 789         (if pair
 790             (setcar (cdr pair) nnrss-group-max)
 791           (push (list group nnrss-group-max) nnrss-server-data)))
 792       (nnrss-save-server-data server))))
 793
 794 (declare-function gnus-group-make-rss-group "gnus-group" (&optional url))
 795
 796 (defun nnrss-opml-import (opml-file)
 797   "OPML subscriptions import.
 798 Read the file and attempt to subscribe to each Feed in the file."
 799   (interactive "fImport file: ")
 800   (mapc
 801    (lambda (node)
 802      (let ((xmlurl (cdr (assq 'xmlUrl (cadr node)))))
 803        (when (and xmlurl
 804                   (not (string-match "\\`[\t ]*\\'" xmlurl))
 805                   (prog1
 806                       (y-or-n-p (format "Subscribe to %s " xmlurl))
 807                     (message "")))
 808          (condition-case err
 809              (progn
 810                (gnus-group-make-rss-group xmlurl)
 811                (forward-line 1))
 812            (error
 813             (message
 814              "Failed to subscribe to %s (%s); type any key to continue: "
 815              xmlurl
 816              (error-message-string err))
 817             (let ((echo-keystrokes 0))
 818               (read-char)))))))
 819    (nnrss-find-el 'outline
 820                   (mm-with-multibyte-buffer
 821                     (insert-file-contents opml-file)
 822                     (xml-parse-region (point-min) (point-max))))))
 823
 824 (defun nnrss-opml-export ()
 825   "OPML subscription export.
 826 Export subscriptions to a buffer in OPML Format."
 827   (interactive)
 828   (with-current-buffer (get-buffer-create "*OPML Export*")
 829     (mm-set-buffer-file-coding-system 'utf-8)
 830     (insert "<?xml version=\"1.0\" encoding=\"utf-8\"?>\n"
 831             "<!-- OPML generated by Emacs Gnus' nnrss.el -->\n"
 832             "<opml version=\"1.1\">\n"
 833             "  <head>\n"
 834             "    <title>mySubscriptions</title>\n"
 835             "    <dateCreated>" (format-time-string "%a, %d %b %Y %T %z")
 836             "</dateCreated>\n"
 837             "    <ownerEmail>" user-mail-address "</ownerEmail>\n"
 838             "    <ownerName>" (user-full-name) "</ownerName>\n"
 839             "  </head>\n"
 840             "  <body>\n")
 841     (dolist (sub nnrss-group-alist)
 842       (insert "    <outline text=\"" (car sub)
 843               "\" xmlUrl=\"" (cadr sub) "\"/>\n"))
 844     (insert "  </body>\n"
 845             "</opml>\n"))
 846   (pop-to-buffer "*OPML Export*")
 847   (when (fboundp 'sgml-mode)
 848     (sgml-mode)))
 849
 850 (defun nnrss-generate-download-script ()
 851   "Generate a download script in the current buffer.
 852 It is useful when `(setq nnrss-use-local t)'."
 853   (interactive)
 854   (insert "#!/bin/sh\n")
 855   (insert "WGET=wget\n")
 856   (insert "RSSDIR='" (expand-file-name nnrss-directory) "'\n")
 857   (dolist (elem nnrss-server-data)
 858     (let ((url (or (nth 2 elem)
 859                    (second (assoc (car elem) nnrss-group-alist)))))
 860       (insert "$WGET -q -O \"$RSSDIR\"/'"
 861               (nnrss-translate-file-chars (concat (car elem) ".xml"))
 862               "' '" url "'\n"))))
 863
 864 (defun nnrss-translate-file-chars (name)
 865   (let ((nnheader-file-name-translation-alist
 866          (append nnheader-file-name-translation-alist '((?' . ?_)))))
 867     (nnheader-translate-file-chars name)))
 868
 869 (defvar nnrss-moreover-url
 870   "http://w.moreover.com/categories/category_list_rss.html"
 871   "The url of moreover.com categories.")
 872
 873 (defun nnrss-snarf-moreover-categories ()
 874   "Snarf RSS links from moreover.com."
 875   (interactive)
 876   (let (category name url changed)
 877     (with-temp-buffer
 878       (nnrss-insert nnrss-moreover-url)
 879       (goto-char (point-min))
 880       (while (re-search-forward
 881               "<a name=\"\\([^\"]+\\)\">\\|<a href=\"\\(http://[^\"]*moreover\\.com[^\"]+page\\?c=\\([^\"&]+\\)&o=rss\\)" nil t)
 882         (if (match-string 1)
 883             (setq category (match-string 1))
 884           (setq url (match-string 2)
 885                 name (mm-url-decode-entities-string
 886                       (rfc2231-decode-encoded-string
 887                        (match-string 3))))
 888           (if category
 889               (setq name (concat category "." name)))
 890           (unless (assoc name nnrss-server-data)
 891             (setq changed t)
 892             (push (list name 0 url) nnrss-server-data)))))
 893     (if changed
 894         (nnrss-save-server-data ""))))
 895
 896 (defun nnrss-node-text (namespace local-name element)
 897   (let* ((node (assq (intern (concat namespace (symbol-name local-name)))
 898                      element))
 899          (text (if (and node (listp node))
 900                    (nnrss-node-just-text node)
 901                  node))
 902          (cleaned-text (if text
 903                            (gnus-replace-in-string
 904                             (gnus-replace-in-string
 905                              text "^[\000-\037\177]+\\|^ +\\| +$" "")
 906                             "\r\n" "\n"))))
 907     (if (string-equal "" cleaned-text)
 908         nil
 909       cleaned-text)))
 910
 911 (defun nnrss-node-just-text (node)
 912   (if (and node (listp node))
 913       (mapconcat 'nnrss-node-just-text (cddr node) " ")
 914     node))
 915
 916 (defun nnrss-find-el (tag data &optional found-list)
 917   "Find the all matching elements in the data.
 918 Careful with this on large documents!"
 919   (when (consp data)
 920     (dolist (bit data)
 921       (when (car-safe bit)
 922         (when (equal tag (car bit))
 923           ;; Old xml.el may return a list of string.
 924           (when (and (consp (caddr bit))
 925                      (stringp (caaddr bit)))
 926             (setcar (cddr bit) (caaddr bit)))
 927           (setq found-list
 928                 (append found-list
 929                         (list bit))))
 930         (if (and (consp (car-safe (caddr bit)))
 931                  (not (stringp (caddr bit))))
 932             (setq found-list
 933                   (append found-list
 934                           (nnrss-find-el
 935                            tag (caddr bit))))
 936           (setq found-list
 937                 (append found-list
 938                         (nnrss-find-el
 939                          tag (cddr bit))))))))
 940   found-list)
 941
 942 (defun nnrss-rsslink-p (el)
 943   "Test if the element we are handed is an RSS autodiscovery link."
 944   (and (eq (car-safe el) 'link)
 945        (string-equal (cdr (assoc 'rel (cadr el))) "alternate")
 946        (or (string-equal (cdr (assoc 'type (cadr el)))
 947                          "application/rss+xml")
 948            (string-equal (cdr (assoc 'type (cadr el))) "text/xml"))))
 949
 950 (defun nnrss-get-rsslinks (data)
 951   "Extract the <link> elements that are links to RSS from the parsed data."
 952   (delq nil (mapcar
 953              (lambda (el)
 954                (if (nnrss-rsslink-p el) el))
 955              (nnrss-find-el 'link data))))
 956
 957 (defun nnrss-extract-hrefs (data)
 958   "Recursively extract hrefs from a page's source.
 959 DATA should be the output of `xml-parse-region' or
 960 `w3-parse-buffer'."
 961   (mapcar (lambda (ahref)
 962             (cdr (assoc 'href (cadr ahref))))
 963           (nnrss-find-el 'a data)))
 964
 965 (defmacro nnrss-match-macro (base-uri item onsite-list offsite-list)
 966   `(cond ((or (string-match (concat "^" ,base-uri) ,item)
 967               (not (string-match "://" ,item)))
 968           (setq ,onsite-list (append ,onsite-list (list ,item))))
 969          (t (setq ,offsite-list (append ,offsite-list (list ,item))))))
 970
 971 (defun nnrss-order-hrefs (base-uri hrefs)
 972   "Given a list of hrefs, sort them using the following priorities:
 973   1. links ending in .rss
 974   2. links ending in .rdf
 975   3. links ending in .xml
 976   4. links containing the above
 977   5. offsite links
 978
 979 BASE-URI is used to determine the location of the links and
 980 whether they are `offsite' or `onsite'."
 981   (let (rss-onsite-end  rdf-onsite-end  xml-onsite-end
 982         rss-onsite-in   rdf-onsite-in   xml-onsite-in
 983         rss-offsite-end rdf-offsite-end xml-offsite-end
 984         rss-offsite-in rdf-offsite-in xml-offsite-in)
 985     (dolist (href hrefs)
 986       (cond ((null href))
 987             ((string-match "\\.rss$" href)
 988              (nnrss-match-macro
 989               base-uri href rss-onsite-end rss-offsite-end))
 990             ((string-match "\\.rdf$" href)
 991              (nnrss-match-macro
 992               base-uri href rdf-onsite-end rdf-offsite-end))
 993             ((string-match "\\.xml$" href)
 994              (nnrss-match-macro
 995               base-uri href xml-onsite-end xml-offsite-end))
 996             ((string-match "rss" href)
 997              (nnrss-match-macro
 998               base-uri href rss-onsite-in rss-offsite-in))
 999             ((string-match "rdf" href)
1000              (nnrss-match-macro
1001               base-uri href rdf-onsite-in rdf-offsite-in))
1002             ((string-match "xml" href)
1003              (nnrss-match-macro
1004               base-uri href xml-onsite-in xml-offsite-in))))
1005     (append
1006      rss-onsite-end  rdf-onsite-end  xml-onsite-end
1007      rss-onsite-in   rdf-onsite-in   xml-onsite-in
1008      rss-offsite-end rdf-offsite-end xml-offsite-end
1009      rss-offsite-in rdf-offsite-in xml-offsite-in)))
1010
1011 (defun nnrss-discover-feed (url)
1012   "Given a page, find an RSS feed using Mark Pilgrim's
1013 `ultra-liberal rss locator' (http://diveintomark.org/2002/08/15.html)."
1014
1015   (let ((parsed-page (nnrss-fetch url)))
1016
1017 ;;    1. if this url is the rss, use it.
1018     (if (nnrss-rss-p parsed-page)
1019         (let ((rss-ns (nnrss-get-namespace-prefix parsed-page "http://purl.org/rss/1.0/")))
1020           (nnrss-rss-title-description rss-ns parsed-page url))
1021
1022 ;;    2. look for the <link rel="alternate"
1023 ;;    type="application/rss+xml" and use that if it is there.
1024       (let ((links (nnrss-get-rsslinks parsed-page)))
1025         (if links
1026             (let* ((xml (nnrss-fetch
1027                          (cdr (assoc 'href (cadar links)))))
1028                    (rss-ns (nnrss-get-namespace-prefix xml "http://purl.org/rss/1.0/")))
1029               (nnrss-rss-title-description rss-ns xml (cdr (assoc 'href (cadar links)))))
1030
1031 ;;    3. look for links on the site in the following order:
1032 ;;       - onsite links ending in .rss, .rdf, or .xml
1033 ;;       - onsite links containing any of the above
1034 ;;       - offsite links ending in .rss, .rdf, or .xml
1035 ;;       - offsite links containing any of the above
1036           (let* ((base-uri (progn (string-match ".*://[^/]+/?" url)
1037                                   (match-string 0 url)))
1038                  (hrefs (nnrss-order-hrefs
1039                          base-uri (nnrss-extract-hrefs parsed-page)))
1040                  (rss-link nil))
1041             (while (and (eq rss-link nil) (not (eq hrefs nil)))
1042               (let ((href-data (nnrss-fetch (car hrefs))))
1043                 (if (nnrss-rss-p href-data)
1044                     (let* ((rss-ns (nnrss-get-namespace-prefix href-data "http://purl.org/rss/1.0/")))
1045                       (setq rss-link (nnrss-rss-title-description
1046                                       rss-ns href-data (car hrefs))))
1047                   (setq hrefs (cdr hrefs)))))
1048             (if rss-link rss-link
1049
1050 ;;    4. check syndic8
1051               (nnrss-find-rss-via-syndic8 url))))))))
1052
1053 (defun nnrss-find-rss-via-syndic8 (url)
1054   "Query syndic8 for the rss feeds it has for URL."
1055   (if (not (locate-library "xml-rpc"))
1056       (progn
1057         (message "XML-RPC is not available... not checking Syndic8.")
1058         nil)
1059     (require 'xml-rpc)
1060     (let ((feedid (xml-rpc-method-call
1061                    "http://www.syndic8.com/xmlrpc.php"
1062                    'syndic8.FindSites
1063                    url)))
1064       (when feedid
1065         (let* ((feedinfo (xml-rpc-method-call
1066                           "http://www.syndic8.com/xmlrpc.php"
1067                           'syndic8.GetFeedInfo
1068                           feedid))
1069                (urllist
1070                 (delq nil
1071                       (mapcar
1072                        (lambda (listinfo)
1073                          (if (string-equal
1074                               (cdr (assoc "status" listinfo))
1075                               "Syndicated")
1076                              (cons
1077                               (cdr (assoc "sitename" listinfo))
1078                               (list
1079                                (cons 'title
1080                                      (cdr (assoc
1081                                            "sitename" listinfo)))
1082                                (cons 'href
1083                                      (cdr (assoc
1084                                            "dataurl" listinfo)))))))
1085                        feedinfo))))
1086           (if (not (> (length urllist) 1))
1087               (cdar urllist)
1088             (let ((completion-ignore-case t)
1089                   (selection
1090                    (mapcar (lambda (listinfo)
1091                              (cons (cdr (assoc "sitename" listinfo))
1092                                    (string-to-number
1093                                     (cdr (assoc "feedid" listinfo)))))
1094                            feedinfo)))
1095               (cdr (assoc
1096                     (completing-read
1097                      "Multiple feeds found.  Select one: "
1098                      selection nil t) urllist)))))))))
1099
1100 (defun nnrss-rss-p (data)
1101   "Test if DATA is an RSS feed.
1102 Simply ensures that the first element is rss or rdf."
1103   (or (eq (caar data) 'rss)
1104       (eq (caar data) 'rdf:RDF)))
1105
1106 (defun nnrss-rss-title-description (rss-namespace data url)
1107   "Return the title of an RSS feed."
1108   (if (nnrss-rss-p data)
1109       (let ((description (intern (concat rss-namespace "description")))
1110             (title (intern (concat rss-namespace "title")))
1111             (channel (nnrss-find-el (intern (concat rss-namespace "channel"))
1112                                     data)))
1113         (list
1114          (cons 'description (caddr (nth 0 (nnrss-find-el description channel))))
1115          (cons 'title (caddr (nth 0 (nnrss-find-el title channel))))
1116          (cons 'href url)))))
1117
1118 (defun nnrss-get-namespace-prefix (el uri)
1119   "Given EL (containing a parsed element) and URI (containing a string
1120 that gives the URI for which you want to retrieve the namespace
1121 prefix), return the prefix."
1122   (let* ((prefix (car (rassoc uri (cadar el))))
1123          (nslist (if prefix
1124                      (split-string (symbol-name prefix) ":")))
1125          (ns (cond ((eq (length nslist) 1) ; no prefix given
1126                     "")
1127                    ((eq (length nslist) 2) ; extract prefix
1128                     (cadr nslist)))))
1129     (if (and ns (not (string= ns "")))
1130         (concat ns ":")
1131       ns)))
1132
1133 (provide 'nnrss)
1134
1135 ;; arch-tag: 12910c07-0cdf-44fb-8d2c-416ded64c267
1136 ;;; nnrss.el ends here