Revision: miles@gnu.org--gnu-2004/emacs--unicode--0--patch-15

Merge from emacs--cvs-trunk--0

Patches applied:

 * miles@gnu.org--gnu-2004/emacs--cvs-trunk--0--patch-218
 - miles@gnu.org--gnu-2004/emacs--cvs-trunk--0--patch-220
   Update from CVS

 * miles@gnu.org--gnu-2004/emacs--cvs-trunk--0--patch-221
   Restore deleted tagline in etc/TUTORIAL.ru

 * miles@gnu.org--gnu-2004/emacs--cvs-trunk--0--patch-222
 - miles@gnu.org--gnu-2004/emacs--cvs-trunk--0--patch-228
   Update from CVS

 * miles@gnu.org--gnu-2004/emacs--cvs-trunk--0--patch-229
   Remove TeX output files from the archive

 * miles@gnu.org--gnu-2004/emacs--cvs-trunk--0--patch-230
 - miles@gnu.org--gnu-2004/emacs--cvs-trunk--0--patch-247
   Update from CVS

 * miles@gnu.org--gnu-2004/emacs--cvs-trunk--0--patch-248
   src/lisp.h (CYCLE_CHECK): Macro moved from xfaces.c

 * miles@gnu.org--gnu-2004/emacs--cvs-trunk--0--patch-249
 - miles@gnu.org--gnu-2004/emacs--cvs-trunk--0--patch-256
   Update from CVS

 * miles@gnu.org--gnu-2004/emacs--cvs-trunk--0--patch-258
 - miles@gnu.org--gnu-2004/emacs--cvs-trunk--0--patch-263
   Update from CVS

 * miles@gnu.org--gnu-2004/emacs--cvs-trunk--0--patch-264
   Update from CVS: lispref/display.texi: emacs -> Emacs.

 * miles@gnu.org--gnu-2004/emacs--cvs-trunk--0--patch-265
 - miles@gnu.org--gnu-2004/emacs--cvs-trunk--0--patch-274
   Update from CVS

 * miles@gnu.org--gnu-2004/emacs--cvs-trunk--0--patch-275
   Update from CVS: man/makefile.w32-in: Revert last change

 * miles@gnu.org--gnu-2004/emacs--cvs-trunk--0--patch-276
 - miles@gnu.org--gnu-2004/emacs--cvs-trunk--0--patch-295
   Update from CVS

 * miles@gnu.org--gnu-2004/emacs--cvs-trunk--0--patch-296
   Allow restarting an existing debugger session that's exited

 * miles@gnu.org--gnu-2004/emacs--cvs-trunk--0--patch-297
 - miles@gnu.org--gnu-2004/emacs--cvs-trunk--0--patch-299
   Update from CVS

 * miles@gnu.org--gnu-2004/emacs--cvs-trunk--0--patch-300
 - miles@gnu.org--gnu-2004/emacs--cvs-trunk--0--patch-327
   Update from CVS

 * miles@gnu.org--gnu-2004/emacs--cvs-trunk--0--patch-328
   Update from CVS: src/.gdbinit (xsymbol): Fix last change.

 * miles@gnu.org--gnu-2004/emacs--cvs-trunk--0--patch-329
 - miles@gnu.org--gnu-2004/emacs--cvs-trunk--0--patch-344
   Update from CVS

 * miles@gnu.org--gnu-2004/emacs--cvs-trunk--0--patch-345
   Tweak source regexps so that building in place won't cause problems

 * miles@gnu.org--gnu-2004/emacs--cvs-trunk--0--patch-346
 - miles@gnu.org--gnu-2004/emacs--cvs-trunk--0--patch-351
   Update from CVS

 * miles@gnu.org--gnu-2004/emacs--cvs-trunk--0--patch-352
   Update from CVS: lisp/flymake.el: New file.

 * miles@gnu.org--gnu-2004/emacs--cvs-trunk--0--patch-353
 - miles@gnu.org--gnu-2004/emacs--cvs-trunk--0--patch-361
   Update from CVS

 * miles@gnu.org--gnu-2004/emacs--cvs-trunk--0--patch-362
   Support " [...]" style defaults in minibuffer-electric-default-mode

 * miles@gnu.org--gnu-2004/emacs--cvs-trunk--0--patch-363
   (read-number): Use canonical format for default in prompt.

 * miles@gnu.org--gnu-2004/emacs--cvs-trunk--0--patch-364
 - miles@gnu.org--gnu-2004/emacs--cvs-trunk--0--patch-367
   Update from CVS

 * miles@gnu.org--gnu-2004/emacs--cvs-trunk--0--patch-368
   Improve display-supports-face-attributes-p on non-ttys

 * miles@gnu.org--gnu-2004/emacs--cvs-trunk--0--patch-369
   Rewrite face-differs-from-default-p

 * miles@gnu.org--gnu-2004/emacs--cvs-trunk--0--patch-370
   Move `display-supports-face-attributes-p' entirely into C code

 * miles@gnu.org--gnu-2004/emacs--cvs-trunk--0--patch-371
   Update from CVS

 * miles@gnu.org--gnu-2004/emacs--cvs-trunk--0--patch-372
   Simplify face-differs-from-default-p; don't consider :stipple.

 * miles@gnu.org--gnu-2004/emacs--cvs-trunk--0--patch-373
   Update from CVS

 * miles@gnu.org--gnu-2004/emacs--cvs-trunk--0--patch-374
   (tty_supports_face_attributes_p): Ensure attributes differ from default

 * miles@gnu.org--gnu-2004/emacs--cvs-trunk--0--patch-375
 - miles@gnu.org--gnu-2004/emacs--cvs-trunk--0--patch-376
   Update from CVS

 * miles@gnu.org--gnu-2004/emacs--cvs-trunk--0--patch-377
   (Fdisplay_supports_face_attributes_p): Work around bootstrapping problem

 * miles@gnu.org--gnu-2004/emacs--cvs-trunk--0--patch-378
 - miles@gnu.org--gnu-2004/emacs--cvs-trunk--0--patch-380
   Update from CVS

 * miles@gnu.org--gnu-2004/emacs--cvs-trunk--0--patch-381
   Face merging cleanups

 * miles@gnu.org--gnu-2004/emacs--cvs-trunk--0--patch-382
 - miles@gnu.org--gnu-2004/emacs--cvs-trunk--0--patch-384
   Update from CVS

 * miles@gnu.org--gnu-2004/emacs--cvs-trunk--0--patch-385
   src/xfaces.c (push_named_merge_point): Return 0 if a cycle is detected

 * miles@gnu.org--gnu-2004/emacs--cvs-trunk--0--patch-386
 - miles@gnu.org--gnu-2004/emacs--cvs-trunk--0--patch-395
   Update from CVS

 * miles@gnu.org--gnu-2004/emacs--cvs-trunk--0--patch-396
   Tweak arch tagging to make build/install-in-place less annoying

 * miles@gnu.org--gnu-2004/emacs--cvs-trunk--0--patch-397
   Work around vc-arch problems when building eshell

 * miles@gnu.org--gnu-2004/emacs--cvs-trunk--0--patch-398
   Tweak permissions

 * miles@gnu.org--gnu-2004/emacs--cvs-trunk--0--patch-399
   Tweak directory permissions

 * miles@gnu.org--gnu-2004/emacs--cvs-trunk--0--patch-400
   Update from CVS

 * miles@gnu.org--gnu-2004/emacs--cvs-trunk--0--patch-401
   More build-in-place tweaking of arch tagging

 * miles@gnu.org--gnu-2004/emacs--cvs-trunk--0--patch-402
   Update from CVS

 * miles@gnu.org--gnu-2004/emacs--cvs-trunk--0--patch-403
   Yet more build-in-place tweaking of arch tagging

 * miles@gnu.org--gnu-2004/emacs--cvs-trunk--0--patch-404
 - miles@gnu.org--gnu-2004/emacs--cvs-trunk--0--patch-409
   Update from CVS

 * miles@gnu.org--gnu-2004/emacs--cvs-trunk--0--patch-410
   Make sure image types are initialized for lookup too

 * miles@gnu.org--gnu-2004/emacs--cvs-trunk--0--patch-411
 - miles@gnu.org--gnu-2004/emacs--cvs-trunk--0--patch-416
   Update from CVS

1 files changed, 55 insertions, 13 deletions

diff --git a/lisp/help.el b/lisp/help.el
index b589de94474..fc43d8db03d 100644
--- a/lisp/help.el
+++ b/lisp/help.el
@@ -1,6 +1,6 @@
 ;;; help.el --- help commands for Emacs
 
-;; Copyright (C) 1985, 1986, 1993, 1994, 1998, 1999, 2000, 2001, 2002
+;; Copyright (C) 1985, 1986, 1993, 1994, 1998, 1999, 2000, 2001, 2002, 2004
 ;;   Free Software Foundation, Inc.
 
 ;; Maintainer: FSF
@@ -313,19 +313,61 @@ of the key sequence that ran this command."
 
 (defun view-emacs-news (&optional arg)
   "Display info on recent changes to Emacs.
-With numeric argument, display information on correspondingly older changes."
+With argument, display info only for the selected version."
   (interactive "P")
-  (let* ((arg (if arg (prefix-numeric-value arg) 0))
-         (file (cond ((eq arg 0) "NEWS")
-                     ((eq arg 1) "ONEWS")
-                     (t
-                      (nth (- arg 2)
-                           (nreverse (directory-files data-directory
-                                                      nil "^ONEWS\\.[0-9]+$"
-                                                      nil)))))))
-    (if file
-        (view-file (expand-file-name file data-directory))
-      (error "No such old news"))))
+  (if (not arg)
+      (view-file (expand-file-name "NEWS" data-directory))
+    (let* ((map (sort
+                 (delete-dups
+                  (apply
+                   'nconc
+                   (mapcar
+                    (lambda (file)
+                      (with-temp-buffer
+                        (insert-file-contents
+                         (expand-file-name file data-directory))
+                        (let (res)
+                          (while (re-search-forward
+                                  (if (string-match "^ONEWS\\.[0-9]+$" file)
+                                      "Changes in \\(?:Emacs\\|version\\)?[ \t]*\\([0-9]+\\(?:\\.[0-9]+\\)?\\)"
+                                    "^\* [^0-9\n]*\\([0-9]+\\.[0-9]+\\)") nil t)
+                            (setq res (cons (list (match-string-no-properties 1)
+                                                  file) res)))
+                          res)))
+                    (append '("NEWS" "ONEWS")
+                            (directory-files data-directory nil
+                                             "^ONEWS\\.[0-9]+$" nil)))))
+                 (lambda (a b)
+                   (string< (car b) (car a)))))
+           (current (caar map))
+           (version (completing-read
+                     (format "Read NEWS for the version (default %s): " current)
+                     (mapcar 'car map) nil nil nil nil current))
+           (file (cadr (assoc version map)))
+           res)
+      (if (not file)
+          (error "No news is good news")
+        (view-file (expand-file-name file data-directory))
+        (widen)
+        (goto-char (point-min))
+        (when (re-search-forward
+               (concat (if (string-match "^ONEWS\\.[0-9]+$" file)
+                           "Changes in \\(?:Emacs\\|version\\)?[ \t]*"
+                         "^\* [^0-9\n]*") version)
+               nil t)
+          (beginning-of-line)
+          (narrow-to-region
+           (point)
+           (save-excursion
+             (while (and (setq res
+                               (re-search-forward
+                                (if (string-match "^ONEWS\\.[0-9]+$" file)
+                                    "Changes in \\(?:Emacs\\|version\\)?[ \t]*\\([0-9]+\\(?:\\.[0-9]+\\)?\\)"
+                                  "^\* [^0-9\n]*\\([0-9]+\\.[0-9]+\\)") nil t))
+                         (equal (match-string-no-properties 1) version)))
+             (or res (goto-char (point-max)))
+             (beginning-of-line)
+             (point))))))))
 
 (defun view-todo (&optional arg)
   "Display the Emacs TODO list."