merge trunk

18 files changed, 570 insertions, 312 deletions

diff --git a/doc/misc/ChangeLog b/doc/misc/ChangeLog
index 68d6d3c8f00..3e723cd8c83 100644
--- a/doc/misc/ChangeLog
+++ b/doc/misc/ChangeLog
@@ -1,3 +1,8 @@
+2010-09-21  Lars Magne Ingebrigtsen  <larsi@gnus.org>
+
+	* gnus.texi (Expunging mailboxes): Update name of the expunging
+	command.
+
 2010-09-20  Katsumi Yamaoka  <yamaoka@jpl.org>
 
 	* emacs-mime.texi (rfc2047): Update description for
diff --git a/doc/misc/gnus.texi b/doc/misc/gnus.texi
index 841cf8c510c..52c8bb642f0 100644
--- a/doc/misc/gnus.texi
+++ b/doc/misc/gnus.texi
@@ -18384,7 +18384,7 @@ INBOX.mailbox).
 @cindex expunge
 @cindex manual expunging
 @kindex G x (Group)
-@findex gnus-group-nnimap-expunge
+@findex gnus-group-expunge-group
 
 If you're using the @code{never} setting of @code{nnimap-expunge-on-close},
 you may want the option of expunging all deleted articles in a mailbox
diff --git a/lisp/ChangeLog b/lisp/ChangeLog
index e293d7612ba..9900472a59d 100644
--- a/lisp/ChangeLog
+++ b/lisp/ChangeLog
@@ -1,3 +1,10 @@
+2010-09-21  Stefan Monnier  <monnier@iro.umontreal.ca>
+
+	* emacs-lisp/smie.el (smie-debug--describe-cycle): Fix typo.
+	(smie-indent-comment): Be more careful with comment-start-skip.
+	(smie-indent-comment-close, smie-indent-comment-inside): New funs.
+	(smie-indent-functions): Use them.
+
 2010-09-21  Michael Albinus  <michael.albinus@gmx.de>
 
 	* net/ange-ftp.el (ange-ftp-skip-msgs): Add "^504 ..." message.
diff --git a/lisp/emacs-lisp/smie.el b/lisp/emacs-lisp/smie.el
index 0267e9771f5..55516d276da 100644
--- a/lisp/emacs-lisp/smie.el
+++ b/lisp/emacs-lisp/smie.el
@@ -338,7 +338,7 @@ CSTS is a list of pairs representing arcs in a graph."
                      res))
                  cycle)))
     (mapconcat
-     (lambda (elems) (mapconcat 'indentity elems "="))
+     (lambda (elems) (mapconcat 'identity elems "="))
      (append names (list (car names)))
      " < ")))
 
@@ -1173,7 +1173,11 @@ in order to figure out the indentation of some other (further down) point."
   ;; front of a comment" when doing virtual-indentation anyway.  And if we are
   ;; (as can happen in octave-mode), moving forward can lead to inf-loops.
   (and (smie-indent--bolp)
-       (looking-at comment-start-skip)
+       (let ((pos (point)))
+         (save-excursion
+           (beginning-of-line)
+           (and (re-search-forward comment-start-skip (line-end-position) t)
+                (eq pos (or (match-end 1) (match-beginning 0))))))
        (save-excursion
          (forward-comment (point-max))
          (skip-chars-forward " \t\r\n")
@@ -1194,6 +1198,20 @@ in order to figure out the indentation of some other (further down) point."
                (if (looking-at (regexp-quote continue))
                    (current-column))))))))
 
+(defun smie-indent-comment-close ()
+  (and (boundp 'comment-end-skip)
+       comment-end-skip
+       (not (looking-at " \t*$"))       ;Not just a \n comment-closer.
+       (looking-at comment-end-skip)
+       (nth 4 (syntax-ppss))
+       (save-excursion
+         (goto-char (nth 8 (syntax-ppss)))
+         (current-column))))
+
+(defun smie-indent-comment-inside ()
+  (and (nth 4 (syntax-ppss))
+       'noindent))
+
 (defun smie-indent-after-keyword ()
   ;; Indentation right after a special keyword.
   (save-excursion
@@ -1275,9 +1293,10 @@ in order to figure out the indentation of some other (further down) point."
            (current-column)))))))
 
 (defvar smie-indent-functions
-  '(smie-indent-fixindent smie-indent-bob smie-indent-close smie-indent-comment
-   smie-indent-comment-continue smie-indent-keyword smie-indent-after-keyword
-   smie-indent-exps)
+  '(smie-indent-fixindent smie-indent-bob smie-indent-close
+    smie-indent-comment smie-indent-comment-continue smie-indent-comment-close
+    smie-indent-comment-inside smie-indent-keyword smie-indent-after-keyword
+    smie-indent-exps)
   "Functions to compute the indentation.
 Each function is called with no argument, shouldn't move point, and should
 return either nil if it has no opinion, or an integer representing the column
diff --git a/lisp/gnus/ChangeLog b/lisp/gnus/ChangeLog
index b85618ae705..eeba68f81a2 100644
--- a/lisp/gnus/ChangeLog
+++ b/lisp/gnus/ChangeLog
@@ -1,3 +1,81 @@
+2010-09-21  Adam Sjøgren  <asjo@koldfront.dk>
+
+	* gnus-sum.el (gnus-adjust-marked-articles): Fix typo.
+
+2010-09-21  Lars Magne Ingebrigtsen  <larsi@gnus.org>
+
+	* gnus-int.el (gnus-open-server): Give a better error message in the
+	"go offline" case.
+
+	* gnus-sum.el (gnus-adjust-marked-articles): Hack to avoid adjusting
+	marks for nnimap, which is seldom the right thing to do.
+
+	* gnus.el (gnus-sloppily-equal-method-parameters): Refactor out.
+	(gnus-same-method-different-name): New function.
+
+	* nnimap.el (parse-time): Require.
+
+	* gnus-start.el (gnus-get-unread-articles): Fix the prefixed select
+	method in the presence of many similar methods.
+
+	* nnmail.el (nnmail-expired-article-p): Fix typo: time-subtract.
+
+	* nnimap.el (nnimap-find-expired-articles): Don't refer to
+	nnml-inhibit-expiry.
+
+	* gnus-sum.el (gnus-summary-move-article): Use gnus-server-equal to
+	find out whether methods are equal.
+
+	* nnimap.el (nnimap-find-expired-articles): New function.
+	(nnimap-process-expiry-targets): New function.
+	(nnimap-request-move-article): Request the article before looking at
+	what the Message-ID is.  Fix found by Andrew Cohen.
+	(nnimap-mark-and-expunge-incoming): Wait for the last sequence.
+
+	* nnmail.el (nnmail-expired-article-p): Allow returning the cutoff time
+	for oldness in addition to being a predicate.
+
+	* nnimap.el (nnimap-request-group): When we have zero articles, return
+	the right data to Gnus.
+	(nnimap-request-expire-articles): Only delete articles immediately if
+	the target is 'delete.
+
+	* gnus-sum.el (gnus-summary-move-article): When respooling to the same
+	method, this would bug out.
+
+	* gnus-group.el (gnus-group-expunge-group): Renamed from
+	gnus-group-nnimap-expunge, and implemented as a normal interface
+	function.
+
+	* gnus-int.el (gnus-request-expunge-group): New function.
+
+	* nnimap.el (nnimap-request-create-group): Implement.
+	(nnimap-request-expunge-group): New function.
+
+2010-09-21  Julien Danjou  <julien@danjou.info>
+
+	* gnus-html.el (gnus-html-image-cache-ttl): Add new variable.
+	(gnus-html-cache-expired): Add new function.
+	(gnus-html-wash-images): Use `gnus-html-cache-expired' to check
+	wethever we should display image for fetch it.
+	Compute alt-text earlier to pass it to the fetching function too.
+	(gnus-html-schedule-image-fetching): Change function argument to only
+	get one image at a time, not a list.
+	(gnus-html-image-fetched): Use `url-store-in-cache' to store image in
+	cache.
+	(gnus-html-get-image-data): New function to retrieve image data from
+	cache.
+	(gnus-html-put-image): Change buffer argument to use image data rather
+	than file, and place image above region rather than inserting a new
+	one. Do not take alt-text as argument, since it's useless now: we place
+	the image above alt-text.
+	(gnus-html-prune-cache): Remove.
+	(gnus-html-show-images): Start to fetch image when we find one, do not
+	push into a temporary list.
+	(gnus-html-prefetch-images): Only fetch image if they have expired.
+	(gnus-html-browse-image): Fix, use 'gnus-image-url.
+	(gnus-html-image-map): Add "v" to browse-url on undisplayed image.
+
 2010-09-20  Katsumi Yamaoka  <yamaoka@jpl.org>
 
 	* rfc2047.el (rfc2047-encode-parameter): Doc fix.
diff --git a/lisp/gnus/gnus-group.el b/lisp/gnus/gnus-group.el
index fa6ae51886c..80cf580b84a 100644
--- a/lisp/gnus/gnus-group.el
+++ b/lisp/gnus/gnus-group.el
@@ -509,7 +509,10 @@ simple manner.")
 		   (gnus-range-length (cdr (assq 'tick gnus-tmp-marked))))))
 	      (t number)) ?s)
     (?R gnus-tmp-number-of-read ?s)
-    (?U (gnus-number-of-unseen-articles-in-group gnus-tmp-group) ?d)
+    (?U (if (gnus-active gnus-tmp-group)
+	    (gnus-number-of-unseen-articles-in-group gnus-tmp-group)
+	  "*")
+	?s)
     (?t gnus-tmp-number-total ?d)
     (?y gnus-tmp-number-of-unread ?s)
     (?I (gnus-range-length (cdr (assq 'dormant gnus-tmp-marked))) ?d)
@@ -675,7 +678,7 @@ simple manner.")
   "R" gnus-group-make-rss-group
   "c" gnus-group-customize
   "z" gnus-group-compact-group
-  "x" gnus-group-nnimap-expunge
+  "x" gnus-group-expunge-group
   "\177" gnus-group-delete-group
   [delete] gnus-group-delete-group)
 
@@ -3163,21 +3166,17 @@ mail messages or news articles in files that have numeric names."
 		       'summary 'group)))
       (error "Couldn't enter %s" dir))))
 
-(autoload 'nnimap-expunge "nnimap")
-(autoload 'nnimap-acl-get "nnimap")
-(autoload 'nnimap-acl-edit "nnimap")
-
-(defun gnus-group-nnimap-expunge (group)
+(defun gnus-group-expunge-group (group)
   "Expunge deleted articles in current nnimap GROUP."
   (interactive (list (gnus-group-group-name)))
-  (let ((mailbox (gnus-group-real-name group)) method)
-    (unless group
-      (error "No group on current line"))
-    (unless (gnus-get-info group)
-      (error "Killed group; can't be edited"))
-    (unless (eq 'nnimap (car (setq method (gnus-find-method-for-group group))))
-      (error "%s is not an nnimap group" group))
-    (nnimap-expunge mailbox (cadr method))))
+  (let ((method (gnus-find-method-for-group group)))
+    (if (not (gnus-check-backend-function
+	      'request-expunge-group (car method)))
+	(error "%s does not support expunging" (car method))
+      (gnus-request-expunge-group group method))))
+
+(autoload 'nnimap-acl-get "nnimap")
+(autoload 'nnimap-acl-edit "nnimap")
 
 (defun gnus-group-nnimap-edit-acl (group)
   "Edit the Access Control List of current nnimap GROUP."
diff --git a/lisp/gnus/gnus-html.el b/lisp/gnus/gnus-html.el
index 78bb7ca18b5..34dbb4dd878 100644
--- a/lisp/gnus/gnus-html.el
+++ b/lisp/gnus/gnus-html.el
@@ -34,15 +34,10 @@
 (require 'gnus-art)
 (require 'mm-url)
 (require 'url)
+(require 'url-cache)
 
-(defcustom gnus-html-cache-directory (nnheader-concat gnus-directory "html-cache/")
-  "Where Gnus will cache images it downloads from the web."
-  :version "24.1"
-  :group 'gnus-art
-  :type 'directory)
-
-(defcustom gnus-html-cache-size 500000000
-  "The size of the Gnus image cache."
+(defcustom gnus-html-image-cache-ttl (days-to-time 7)
+  "Time in seconds used to cache the image on disk."
   :version "24.1"
   :group 'gnus-art
   :type 'integer)
@@ -73,6 +68,7 @@ fit these criteria."
   (let ((map (make-sparse-keymap)))
     (define-key map "u" 'gnus-article-copy-string)
     (define-key map "i" 'gnus-html-insert-image)
+    (define-key map "v" 'gnus-html-browse-url)
     map))
 
 (defvar gnus-html-displayed-image-map
@@ -84,6 +80,19 @@ fit these criteria."
     (define-key map [tab] 'widget-forward)
     map))
 
+(defun gnus-html-cache-expired (url ttl)
+  "Check if URL is cached for more than TTL."
+  (cond (url-standalone-mode
+         (not (file-exists-p (url-cache-create-filename url))))
+        (t (let ((cache-time (url-is-cached url)))
+             (if cache-time
+                 (time-less-p
+                  (time-add
+                   cache-time
+                   ttl)
+                  (current-time))
+               t)))))
+
 ;;;###autoload
 (defun gnus-article-html (&optional handle)
   (let ((article-buffer (current-buffer)))
@@ -133,6 +142,7 @@ fit these criteria."
     (replace-match "" t t)))
 
 (defun gnus-html-wash-images ()
+  "Run through current buffer and replace img tags by images."
   (let (tag parameters string start end images url)
     (goto-char (point-min))
     ;; Search for all the images first.
@@ -158,62 +168,68 @@ fit these criteria."
 		  (setq image (gnus-create-image (buffer-string)
 						 nil t))))
 	      (when image
-		(let ((string (buffer-substring start end)))
-		  (delete-region start end)
-		  (gnus-put-image image (gnus-string-or string "*") 'cid)
-		  (gnus-add-image 'cid image))))
+                (let ((string (buffer-substring start end)))
+                  (delete-region start end)
+                  (gnus-put-image image (gnus-string-or string "*") 'cid)
+                  (gnus-add-image 'cid image))))
 	  ;; Normal, external URL.
-	  (if (gnus-html-image-url-blocked-p
-	       url
-	       (if (buffer-live-p gnus-summary-buffer)
-		   (with-current-buffer gnus-summary-buffer
-		     gnus-blocked-images)
-		 gnus-blocked-images))
-	      (progn
-		(widget-convert-button
-		 'link start end
-		 :action 'gnus-html-insert-image
-		 :help-echo url
-		 :keymap gnus-html-image-map
-		 :button-keymap gnus-html-image-map)
-		(let ((overlay (gnus-make-overlay start end))
-		      (spec (list url
-				  (set-marker (make-marker) start)
-				  (set-marker (make-marker) end))))
-		  (gnus-overlay-put overlay 'local-map gnus-html-image-map)
-		  (gnus-overlay-put overlay 'gnus-image spec)
-		  (gnus-put-text-property
-		   start end
-		   'gnus-image spec)))
-	    (let ((file (gnus-html-image-id url))
-		  width height alt-text)
-	      (when (string-match "height=\"?\\([0-9]+\\)" parameters)
-		(setq height (string-to-number (match-string 1 parameters))))
-	      (when (string-match "width=\"?\\([0-9]+\\)" parameters)
-		(setq width (string-to-number (match-string 1 parameters))))
-	      (when (string-match "\\(alt\\|title\\)=\"\\([^\"]+\\)"
-				  parameters)
-		(setq alt-text (match-string 2 parameters)))
-	      ;; Don't fetch images that are really small.  They're
-	      ;; probably tracking pictures.
-	      (when (and (or (null height)
-			     (> height 4))
-			 (or (null width)
-			     (> width 4)))
-		(if (file-exists-p file)
-		    ;; It's already cached, so just insert it.
-		    (let ((string (buffer-substring start end)))
-		      ;; Delete the IMG text.
-		      (delete-region start end)
-		      (gnus-html-put-image file (point) string url alt-text))
-		  ;; We don't have it, so schedule it for fetching
-		  ;; asynchronously.
-		  (push (list url
-			      (set-marker (make-marker) start)
-			      (point-marker))
-			images))))))))
-    (when images
-      (gnus-html-schedule-image-fetching (current-buffer) (nreverse images)))))
+          (let ((alt-text (when (string-match "\\(alt\\|title\\)=\"\\([^\"]+\\)"
+                                              parameters)
+                            (match-string 2 parameters))))
+            (if (gnus-html-image-url-blocked-p
+                 url
+                 (if (buffer-live-p gnus-summary-buffer)
+                     (with-current-buffer gnus-summary-buffer
+                       gnus-blocked-images)
+                   gnus-blocked-images))
+                (progn
+                  (widget-convert-button
+                   'link start end
+                   :action 'gnus-html-insert-image
+                   :help-echo url
+                   :keymap gnus-html-image-map
+                   :button-keymap gnus-html-image-map)
+                  (let ((overlay (gnus-make-overlay start end))
+                        (spec (list url
+                                    (set-marker (make-marker) start)
+                                    (set-marker (make-marker) end)
+                                    alt-text)))
+                    (gnus-overlay-put overlay 'local-map gnus-html-image-map)
+                    (gnus-overlay-put overlay 'gnus-image spec)
+                    (gnus-put-text-property start end 'gnus-image-url url)
+                    (gnus-put-text-property
+                     start end
+                     'gnus-image spec)))
+              ;; Non-blocked url
+              (let ((width
+                     (when (string-match "width=\"?\\([0-9]+\\)" parameters)
+                       (string-to-number (match-string 1 parameters))))
+                    (height
+                     (when (string-match "height=\"?\\([0-9]+\\)" parameters)
+                       (string-to-number (match-string 1 parameters)))))
+                ;; Don't fetch images that are really small.  They're
+                ;; probably tracking pictures.
+                (when (and (or (null height)
+                               (> height 4))
+                           (or (null width)
+                               (> width 4)))
+                  (gnus-html-display-image url start end alt-text))))))))))
+
+(defun gnus-html-display-image (url start end alt-text)
+  "Display image at URL on text from START to END.
+Use ALT-TEXT for the image string."
+  (if (gnus-html-cache-expired url gnus-html-image-cache-ttl)
+      ;; We don't have it, so schedule it for fetching
+      ;; asynchronously.
+      (gnus-html-schedule-image-fetching
+       (current-buffer)
+       (list url
+             (set-marker (make-marker) start)
+             (set-marker (make-marker) end)
+             alt-text))
+    ;; It's already cached, so just insert it.
+    (gnus-html-put-image (gnus-html-get-image-data url)
+                         start end url alt-text)))
 
 (defun gnus-html-wash-tags ()
   (let (tag parameters string start end images url)
@@ -300,8 +316,7 @@ fit these criteria."
 (defun gnus-html-insert-image ()
   "Fetch and insert the image under point."
   (interactive)
-  (gnus-html-schedule-image-fetching
-   (current-buffer) (list (get-text-property (point) 'gnus-image))))
+  (apply 'gnus-html-display-image (get-text-property (point) 'gnus-image)))
 
 (defun gnus-html-show-alt-text ()
   "Show the ALT text of the image under point."
@@ -311,7 +326,7 @@ fit these criteria."
 (defun gnus-html-browse-image ()
   "Browse the image under point."
   (interactive)
-  (browse-url (get-text-property (point) 'gnus-image)))
+  (browse-url (get-text-property (point) 'gnus-image-url)))
 
 (defun gnus-html-browse-url ()
   "Browse the image under point."
@@ -321,87 +336,89 @@ fit these criteria."
 	(message "No URL at point")
       (browse-url url))))
 
-(defun gnus-html-schedule-image-fetching (buffer images)
-  (gnus-message 8 "gnus-html-schedule-image-fetching: buffer %s, images %s"
-                buffer images)
-  (dolist (image images)
-    (ignore-errors
-      (url-retrieve (car image)
-		    'gnus-html-image-fetched
-		    (list buffer image)))))
-
-(defun gnus-html-image-id (url)
-  (expand-file-name (sha1 url) gnus-html-cache-directory))
+(defun gnus-html-schedule-image-fetching (buffer image)
+  "Retrieve IMAGE, and place it into BUFFER on arrival."
+  (gnus-message 8 "gnus-html-schedule-image-fetching: buffer %s, image %s"
+                buffer image)
+  (ignore-errors
+    (url-retrieve (car image)
+                  'gnus-html-image-fetched
+                  (list buffer image))))
 
 (defun gnus-html-image-fetched (status buffer image)
-  (let ((file (gnus-html-image-id (car image))))
-    ;; Search the start of the image data
+  (url-store-in-cache (current-buffer))
+  (when (and (search-forward "\n\n" nil t)
+             (buffer-live-p buffer)
+             ;; If the `image' has no marker, do not replace anything
+             (cadr image)
+             ;; If the position of the marker is 1, then that
+             ;; means that the text it was in has been deleted;
+             ;; i.e., that the user has selected a different
+             ;; article before the image arrived.
+             (not (= (marker-position (cadr image))
+                     (with-current-buffer buffer
+                       (point-min)))))
+    (let ((data (buffer-substring (point) (point-max))))
+      (with-current-buffer buffer
+        (let ((inhibit-read-only t))
+          (gnus-html-put-image data (cadr image) (caddr image) (car image) (cadddr image))))))
+  (kill-buffer (current-buffer)))
+
+(defun gnus-html-get-image-data (url)
+  "Get image data for URL.
+Return a string with image data."
+  (with-temp-buffer
+    (mm-disable-multibyte)
+    (url-cache-extract (url-cache-create-filename url))
     (when (search-forward "\n\n" nil t)
-      ;; Write region (image data) silently
-      (write-region (point) (point-max) file nil 1)
-      (kill-buffer (current-buffer))
-      (when (and (buffer-live-p buffer)
-		 ;; If the `image' has no marker, do not replace anything
-		 (cadr image)
-		 ;; If the position of the marker is 1, then that
-		 ;; means that the text it was in has been deleted;
-		 ;; i.e., that the user has selected a different
-		 ;; article before the image arrived.
-		 (not (= (marker-position (cadr image)) (point-min))))
-	(with-current-buffer buffer
-	  (let ((inhibit-read-only t)
-		(string (buffer-substring (cadr image) (caddr image))))
-	    (delete-region (cadr image) (caddr image))
-	    (gnus-html-put-image file (cadr image) (car image) string)))))))
-
-(defun gnus-html-put-image (file point string &optional url alt-text)
+      (buffer-substring (point) (point-max)))))
+
+(defun gnus-html-put-image (data start end &optional url alt-text)
   (when (gnus-graphic-display-p)
     (let* ((image (ignore-errors
-		   (gnus-create-image file)))
-	  (size (and image
-		     (if (featurep 'xemacs)
-			 (cons (glyph-width image) (glyph-height image))
-		       (image-size image t)))))
+                    (gnus-create-image data nil t)))
+           (size (and image
+                      (if (featurep 'xemacs)
+                          (cons (glyph-width image) (glyph-height image))
+                        (image-size image t)))))
       (save-excursion
-	(goto-char point)
-	(if (and image
-		 ;; Kludge to avoid displaying 30x30 gif images, which
-		 ;; seems to be a signal of a broken image.
-		 (not (and (if (featurep 'xemacs)
-			       (glyphp image)
-			     (listp image))
-			   (eq (if (featurep 'xemacs)
-				   (let ((data (cdadar (specifier-spec-list
-							(glyph-image image)))))
-				     (and (vectorp data)
-					  (aref data 0)))
-				 (plist-get (cdr image) :type))
-			       'gif)
-			   (= (car size) 30)
-			   (= (cdr size) 30))))
-	    (let ((start (point)))
-	      (setq image (gnus-html-rescale-image image file size))
-	      (gnus-put-image image
-			      (gnus-string-or string "*")
-			      'external)
-	      (let ((overlay (gnus-make-overlay start (point))))
-		(gnus-overlay-put overlay 'local-map
-				  gnus-html-displayed-image-map)
-		(gnus-put-text-property start (point) 'gnus-alt-text alt-text)
-		(when url
-		  (gnus-put-text-property start (point) 'gnus-image url)))
-	      (gnus-add-image 'external image)
-	      t)
-	  (insert string)
-	  (when (fboundp 'find-image)
-	    (setq image (find-image '((:type xpm :file "lock-broken.xpm"))))
-	    (gnus-put-image image
-			    (gnus-string-or string "*")
-			    'internal)
-	    (gnus-add-image 'internal image))
-	  nil)))))
-
-(defun gnus-html-rescale-image (image file size)
+	(goto-char start)
+        (let ((alt-text (or alt-text (buffer-substring-no-properties start end))))
+          (if (and image
+                   ;; Kludge to avoid displaying 30x30 gif images, which
+                   ;; seems to be a signal of a broken image.
+                   (not (and (if (featurep 'xemacs)
+                                 (glyphp image)
+                               (listp image))
+                             (eq (if (featurep 'xemacs)
+                                     (let ((d (cdadar (specifier-spec-list
+                                                       (glyph-image image)))))
+                                       (and (vectorp d)
+                                            (aref d 0)))
+                                   (plist-get (cdr image) :type))
+                                 'gif)
+                             (= (car size) 30)
+                             (= (cdr size) 30))))
+              ;; Good image, add it!
+              (let ((image (gnus-html-rescale-image image data size)))
+                (delete-region start end)
+                (gnus-put-image image alt-text 'external)
+                (gnus-overlay-put (gnus-make-overlay start (point)) 'local-map
+                                  gnus-html-displayed-image-map)
+                (gnus-put-text-property start (point) 'gnus-alt-text alt-text)
+                (when url
+                  (gnus-put-text-property start (point) 'gnus-image-url url))
+                (gnus-add-image 'external image)
+                t)
+            ;; Bad image, try to show something else
+            (delete-region start end)
+            (when (fboundp 'find-image)
+              (setq image (find-image '((:type xpm :file "lock-broken.xpm"))))
+              (gnus-put-image image alt-text 'internal)
+              (gnus-add-image 'internal image))
+            nil))))))
+
+(defun gnus-html-rescale-image (image data size)
   (if (or (not (fboundp 'imagemagick-types))
 	  (not (get-buffer-window (current-buffer))))
       image
@@ -414,35 +431,17 @@ fit these criteria."
 				       (- (nth 3 edges) (nth 1 edges)))))
 	   scaled-image)
       (when (> height window-height)
-	(setq image (or (create-image file 'imagemagick nil
+	(setq image (or (create-image data 'imagemagick t
 				      :height window-height)
 			image))
 	(setq size (image-size image t)))
       (when (> (car size) window-width)
 	(setq image (or
-		     (create-image file 'imagemagick nil
+		     (create-image data 'imagemagick t
 				   :width window-width)
 		     image)))
       image)))
 
-(defun gnus-html-prune-cache ()
-  (let ((total-size 0)
-	files)
-    (dolist (file (directory-files gnus-html-cache-directory t nil t))
-      (let ((attributes (file-attributes file)))
-	(unless (nth 0 attributes)
-	  (incf total-size (nth 7 attributes))
-	  (push (list (time-to-seconds (nth 5 attributes))
-		      (nth 7 attributes) file)
-		files))))
-    (when (> total-size gnus-html-cache-size)
-      (setq files (sort files (lambda (f1 f2)
-				(< (car f1) (car f2)))))
-      (dolist (file files)
-	(when (> total-size gnus-html-cache-size)
-	  (decf total-size (cadr file))
-	  (delete-file (nth 2 file)))))))
-
 (defun gnus-html-image-url-blocked-p (url blocked-images)
   "Find out if URL is blocked by BLOCKED-IMAGES."
   (let ((ret (and blocked-images
@@ -459,14 +458,10 @@ fit these criteria."
 This only works if the article in question is HTML."
   (interactive)
   (gnus-with-article-buffer
-    (let ((overlays (overlays-in (point-min) (point-max)))
-	  overlay images)
-      (while (setq overlay (pop overlays))
-	(when (overlay-get overlay 'gnus-image)
-	  (push (overlay-get overlay 'gnus-image) images)))
-      (if (not images)
-	  (message "No images to show")
-	(gnus-html-schedule-image-fetching (current-buffer) images)))))
+    (dolist (overlay (overlays-in (point-min) (point-max)))
+      (let ((o (overlay-get overlay 'gnus-image)))
+        (when o
+          (apply 'gnus-html-display-image o))))))
 
 ;;;###autoload
 (defun gnus-html-prefetch-images (summary)
@@ -477,11 +472,9 @@ This only works if the article in question is HTML."
 	(while (re-search-forward "<img.*src=[\"']\\([^\"']+\\)" nil t)
 	  (let ((url (match-string 1)))
 	    (unless (gnus-html-image-url-blocked-p url blocked-images)
-              (unless (file-exists-p (gnus-html-image-id url))
-                (ignore-errors
-                  (url-retrieve (mm-url-decode-entities-string url)
-                                'gnus-html-image-fetched
-				(list nil (list url))))))))))))
+              (when (gnus-html-cache-expired url gnus-html-image-cache-ttl)
+                (gnus-html-schedule-image-fetching nil
+                                                   (list url))))))))))
 
 (provide 'gnus-html)
 
diff --git a/lisp/gnus/gnus-int.el b/lisp/gnus/gnus-int.el
index f245907ed1b..5ef58834df7 100644
--- a/lisp/gnus/gnus-int.el
+++ b/lisp/gnus/gnus-int.el
@@ -275,8 +275,10 @@ If it is down, start it up (again)."
 			       (not gnus-batch-mode)
 			       (gnus-y-or-n-p
 				(format
-				 "Unable to open server %s, go offline? "
-				 server)))
+				 "Unable to open server %s (%s), go offline? "
+				 server
+				 (nnheader-get-report
+				  (car gnus-command-method)))))
                               (setq open-offline t)
                               'offline)
                              (t
@@ -552,6 +554,14 @@ If BUFFER, insert the article in that group."
   (funcall (gnus-get-function gnus-command-method 'request-post)
 	   (nth 1 gnus-command-method)))
 
+(defun gnus-request-expunge-group (group gnus-command-method)
+  "Expunge GROUP, which is removing articles that have been marked as deleted."
+  (when (stringp gnus-command-method)
+    (setq gnus-command-method (gnus-server-to-method gnus-command-method)))
+  (funcall (gnus-get-function gnus-command-method 'request-expunge-group)
+	   (gnus-group-real-name group)
+	   (nth 1 gnus-command-method)))
+
 (defun gnus-request-scan (group gnus-command-method)
   "Request a SCAN being performed in GROUP from GNUS-COMMAND-METHOD.
 If GROUP is nil, all groups on GNUS-COMMAND-METHOD are scanned."
diff --git a/lisp/gnus/gnus-start.el b/lisp/gnus/gnus-start.el
index f4745c184e5..c2f09a83c07 100644
--- a/lisp/gnus/gnus-start.el
+++ b/lisp/gnus/gnus-start.el
@@ -705,6 +705,7 @@ the first newsgroup."
 	nnoo-state-alist nil
 	gnus-current-select-method nil
 	nnmail-split-history nil
+	gnus-extended-servers nil
 	gnus-ephemeral-servers nil)
   (gnus-shutdown 'gnus)
   ;; Kill the startup file.
@@ -1693,28 +1694,19 @@ If SCAN, request a scan of that group as well."
     (while newsrc
       (setq active (gnus-active (setq group (gnus-info-group
 					     (setq info (pop newsrc))))))
-
-      ;; Check newsgroups.  If the user doesn't want to check them, or
-      ;; they can't be checked (for instance, if the news server can't
-      ;; be reached) we just set the number of unread articles in this
-      ;; newsgroup to t.  This means that Gnus thinks that there are
-      ;; unread articles, but it has no idea how many.
-
-      ;; To be more explicit:
-      ;; >0 for an active group with messages
-      ;; 0 for an active group with no unread messages
-      ;; nil for non-foreign groups that the user has requested not be checked
-      ;; t for unchecked foreign groups or bogus groups, or groups that can't
-      ;;   be checked, for one reason or other.
-
       ;; First go through all the groups, see what select methods they
       ;; belong to, and then collect them into lists per unique select
       ;; method.
       (if (not (setq method (gnus-info-method info)))
 	  (setq method gnus-select-method)
+	;; There may be several similar methods.  Possibly extend the
+	;; method.
 	(if (setq cmethod (assoc method methods-cache))
 	    (setq method (cdr cmethod))
-	  (setq cmethod (inline (gnus-server-get-method nil method)))
+	  (setq cmethod (if (stringp method)
+			    (gnus-server-to-method method)
+			  (inline (gnus-find-method-for-group
+				   (gnus-info-group info) info))))
 	  (push (cons method cmethod) methods-cache)
 	  (setq method cmethod)))
       (setq method-group-list (assoc method type-cache))
diff --git a/lisp/gnus/gnus-sum.el b/lisp/gnus/gnus-sum.el
index d0c50c8fec0..5997339a335 100644
--- a/lisp/gnus/gnus-sum.el
+++ b/lisp/gnus/gnus-sum.el
@@ -5850,6 +5850,10 @@ If SELECT-ARTICLES, only select those articles from GROUP."
 	 (types gnus-article-mark-lists)
 	 marks var articles article mark mark-type
          bgn end)
+    ;; Hack to avoid adjusting marks for imap.
+    (when (eq (car (gnus-find-method-for-group (gnus-info-group info)))
+	      'nnimap)
+      (setq min 1))
 
     (dolist (marks marked-lists)
       (setq mark (car marks)
@@ -9681,7 +9685,7 @@ ACTION can be either `move' (the default), `crosspost' or `copy'."
 			      gnus-newsgroup-name))
 		(to-method (or select-method
 			       (gnus-find-method-for-group to-newsgroup)))
-		(move-is-internal (gnus-method-equal from-method to-method)))
+		(move-is-internal (gnus-server-equal from-method to-method)))
 	   (gnus-request-move-article
 	    article			; Article to move
 	    gnus-newsgroup-name		; From newsgroup
@@ -9692,7 +9696,8 @@ ACTION can be either `move' (the default), `crosspost' or `copy'."
 		  (not articles) t)	; Accept form
 	    (not articles)		; Only save nov last time
 	    (and move-is-internal
-		 (gnus-group-real-name to-newsgroup))))) ; is this move internal?
+		 to-newsgroup		; Not respooling
+		 (gnus-group-real-name to-newsgroup))))) ; Is this move internal?
 	;; Copy the article.
 	((eq action 'copy)
 	 (with-current-buffer copy-buf
diff --git a/lisp/gnus/gnus.el b/lisp/gnus/gnus.el
index 68f7f5f5e1a..3f18858fc64 100644
--- a/lisp/gnus/gnus.el
+++ b/lisp/gnus/gnus.el
@@ -2682,6 +2682,7 @@ a string, be sure to use a valid format, see RFC 2616."
 (defvar gnus-newsgroup-name nil)
 (defvar gnus-ephemeral-servers nil)
 (defvar gnus-server-method-cache nil)
+(defvar gnus-extended-servers nil)
 
 (defvar gnus-agent-fetching nil
   "Whether Gnus agent is in fetching mode.")
@@ -3686,32 +3687,35 @@ that that variable is buffer-local to the summary buffers."
    (and
     (eq (car m1) (car m2))
     (equal (cadr m1) (cadr m2))
-    ;; Check parameters for sloppy equalness.
-    (let ((p1 (copy-list (cddr m1)))
-	  (p2 (copy-list (cddr m2)))
-	  e1 e2)
-      (block nil
-	(while (setq e1 (pop p1))
-	  (unless (setq e2 (assq (car e1) p2))
-	    ;; The parameter doesn't exist in p2.
-	    (return nil))
-	  (setq p2 (delq e2 p2))
-	  (unless (equalp e1 e2)
-	    (if (not (and (stringp (cadr e1))
-			  (stringp (cadr e2))))
-		(return nil)
-	      ;; Special-case string parameter comparison so that we
-	      ;; can uniquify them.
-	      (let ((s1 (cadr e1))
-		    (s2 (cadr e2)))
-		(when (string-match "/$" s1)
-		  (setq s1 (directory-file-name s1)))
-		(when (string-match "/$" s2)
-		  (setq s2 (directory-file-name s2)))
-		(unless (equal s1 s2)
-		  (return nil))))))
-	;; If p2 now is empty, they were equal.
-	(null p2))))))
+    (gnus-sloppily-equal-method-parameters m1 m2))))
+
+(defsubst gnus-sloppily-equal-method-parameters (m1 m2)
+  ;; Check parameters for sloppy equalness.
+  (let ((p1 (copy-list (cddr m1)))
+	(p2 (copy-list (cddr m2)))
+	e1 e2)
+    (block nil
+      (while (setq e1 (pop p1))
+	(unless (setq e2 (assq (car e1) p2))
+	  ;; The parameter doesn't exist in p2.
+	  (return nil))
+	(setq p2 (delq e2 p2))
+	(unless (equalp e1 e2)
+	  (if (not (and (stringp (cadr e1))
+			(stringp (cadr e2))))
+	      (return nil)
+	    ;; Special-case string parameter comparison so that we
+	    ;; can uniquify them.
+	    (let ((s1 (cadr e1))
+		  (s2 (cadr e2)))
+	      (when (string-match "/$" s1)
+		(setq s1 (directory-file-name s1)))
+	      (when (string-match "/$" s2)
+		(setq s2 (directory-file-name s2)))
+	      (unless (equal s1 s2)
+		(return nil))))))
+      ;; If p2 now is empty, they were equal.
+      (null p2))))
 
 (defun gnus-server-equal (m1 m2)
   "Say whether two methods are equal."
@@ -4200,9 +4204,12 @@ parameters."
   (if (or (not (inline (gnus-similar-server-opened method)))
 	  (not (cddr method)))
       method
-    `(,(car method) ,(concat (cadr method) "+" group)
-      (,(intern (format "%s-address" (car method))) ,(cadr method))
-      ,@(cddr method))))
+    (setq method
+	  `(,(car method) ,(concat (cadr method) "+" group)
+	    (,(intern (format "%s-address" (car method))) ,(cadr method))
+	    ,@(cddr method)))
+    (push method gnus-extended-servers)
+    method))
 
 (defun gnus-server-status (method)
   "Return the status of METHOD."
@@ -4227,6 +4234,20 @@ parameters."
 	(format "%s using %s" address (car server))
       (format "%s" (car server)))))
 
+(defun gnus-same-method-different-name (method)
+  (let ((slot (intern (concat (symbol-name (car method)) "-address"))))
+    (unless (assq slot (cddr method))
+      (setq method
+	    (append method (list (list slot (nth 1 method)))))))
+  (let ((methods gnus-extended-servers)
+	open found)
+    (while (and (not found)
+		(setq open (pop methods)))
+      (when (and (eq (car method) (car open))
+		 (gnus-sloppily-equal-method-parameters method open))
+	(setq found open)))
+    found))
+
 (defun gnus-find-method-for-group (group &optional info)
   "Find the select method that GROUP uses."
   (or gnus-override-method
@@ -4249,7 +4270,10 @@ parameters."
 		(cond ((stringp method)
 		       (inline (gnus-server-to-method method)))
 		      ((stringp (cadr method))
-		       (inline (gnus-server-extend-method group method)))
+		       (or
+			(inline
+			 (gnus-same-method-different-name method))
+			(inline (gnus-server-extend-method group method))))
 		      (t
 		       method)))
 	  (cond ((equal (cadr method) "")
diff --git a/lisp/gnus/nnimap.el b/lisp/gnus/nnimap.el
index 434ad01bc19..e43cd2d8afb 100644
--- a/lisp/gnus/nnimap.el
+++ b/lisp/gnus/nnimap.el
@@ -37,6 +37,7 @@
 (require 'gnus)
 (require 'nnoo)
 (require 'netrc)
+(require 'parse-time)
 
 (nnoo-declare nnimap)
 
@@ -77,6 +78,8 @@ will fetch all parts that have types that match that string.  A
 likely value would be \"text/\" to automatically fetch all
 textual parts.")
 
+(defvoo nnimap-expunge nil)
+
 (defvoo nnimap-connection-alist nil)
 
 (defvoo nnimap-current-infos nil)
@@ -405,7 +408,7 @@ textual parts.")
 	  (with-current-buffer (nnimap-buffer)
 	    (erase-buffer)
 	    (let ((group-sequence
-		   (nnimap-send-command "SELECT %S" (utf7-encode group)))
+		   (nnimap-send-command "SELECT %S" (utf7-encode group t)))
 		  (flag-sequence
 		   (nnimap-send-command "UID FETCH 1:* FLAGS")))
 	      (nnimap-wait-for-response flag-sequence)
@@ -421,20 +424,28 @@ textual parts.")
 		(setq high (nth 3 (car marks))
 		      low (nth 4 (car marks))))
 	       ((re-search-backward "UIDNEXT \\([0-9]+\\)" nil t)
-		(setq high (string-to-number (match-string 1))
+		(setq high (1- (string-to-number (match-string 1)))
 		      low 1)))))
 	  (erase-buffer)
 	  (insert
 	   (format
-	    "211 %d %d %d %S\n"
-	    (1+ (- high low))
-	    low high group))))
-      t)))
+	    "211 %d %d %d %S\n" (1+ (- high low)) low high group)))
+	t))))
+
+(deffoo nnimap-request-create-group (group &optional server args)
+  (when (nnimap-possibly-change-group nil server)
+    (with-current-buffer (nnimap-buffer)
+      (car (nnimap-command "CREATE %S" (utf7-encode group t))))))
 
 (deffoo nnimap-request-delete-group (group &optional force server)
   (when (nnimap-possibly-change-group nil server)
     (with-current-buffer (nnimap-buffer)
-      (car (nnimap-command "DELETE %S" (utf7-encode group))))))
+      (car (nnimap-command "DELETE %S" (utf7-encode group t))))))
+
+(deffoo nnimap-request-expunge-group (group &optional server)
+  (when (nnimap-possibly-change-group group server)
+    (with-current-buffer (nnimap-buffer)
+      (car (nnimap-command "EXPUNGE")))))
 
 (defun nnimap-get-flags (spec)
   (let ((articles nil)
@@ -456,38 +467,95 @@ textual parts.")
 
 (deffoo nnimap-request-move-article (article group server accept-form
 					     &optional last internal-move-group)
-  (when (nnimap-possibly-change-group group server)
-    ;; If the move is internal (on the same server), just do it the easy
-    ;; way.
-    (let ((message-id (message-field-value "message-id")))
-      (if internal-move-group
-	  (let ((result
-		 (with-current-buffer (nnimap-buffer)
-		   (nnimap-command "UID COPY %d %S"
-				   article
-				   (utf7-encode internal-move-group t)))))
-	    (when (car result)
-	      (nnimap-delete-article article)
-	      (cons internal-move-group
-		    (nnimap-find-article-by-message-id
-		     internal-move-group message-id))))
-	(with-temp-buffer
-	  (when (nnimap-request-article article group server (current-buffer))
-	    (let ((result (eval accept-form)))
-	      (when result
+  (with-temp-buffer
+    (when (nnimap-request-article article group server (current-buffer))
+      ;; If the move is internal (on the same server), just do it the easy
+      ;; way.
+      (let ((message-id (message-field-value "message-id")))
+	(if internal-move-group
+	    (let ((result
+		   (with-current-buffer (nnimap-buffer)
+		     (nnimap-command "UID COPY %d %S"
+				     article
+				     (utf7-encode internal-move-group t)))))
+	      (when (car result)
 		(nnimap-delete-article article)
-		result))))))))
+		(cons internal-move-group
+		      (nnimap-find-article-by-message-id
+		       internal-move-group message-id))))
+	  ;; Move the article to a different method.
+	  (let ((result (eval accept-form)))
+	    (when result
+	      (nnimap-delete-article article)
+	      result)))))))
 
 (deffoo nnimap-request-expire-articles (articles group &optional server force)
   (cond
+   ((null articles)
+    nil)
    ((not (nnimap-possibly-change-group group server))
     articles)
-   (force
+   ((and force
+	 (eq nnmail-expiry-target 'delete))
     (unless (nnimap-delete-article articles)
       (message "Article marked for deletion, but not expunged."))
     nil)
    (t
-    articles)))
+    (let ((deletable-articles
+	   (if force
+	       articles
+	     (gnus-sorted-intersection
+	      articles
+	      (nnimap-find-expired-articles group)))))
+      (if (null deletable-articles)
+	  articles
+	(if (eq nnmail-expiry-target 'delete)
+	    (nnimap-delete-article deletable-articles)
+	  (setq deletable-articles
+		(nnimap-process-expiry-targets
+		 deletable-articles group server)))
+	;; Return the articles we didn't delete.
+	(gnus-sorted-complement articles deletable-articles))))))
+
+(defun nnimap-process-expiry-targets (articles group server)
+  (let ((deleted-articles nil))
+    (dolist (article articles)
+      (let ((target nnmail-expiry-target))
+	(with-temp-buffer
+	  (when (nnimap-request-article article group server (current-buffer))
+	    (message "Expiring article %s:%d" group article)
+	    (when (functionp target)
+	      (setq target (funcall target group)))
+	    (when (and target
+		       (not (eq target 'delete)))
+	      (if (or (gnus-request-group target t)
+		      (gnus-request-create-group target))
+		  (nnmail-expiry-target-group target group)
+		(setq target nil)))
+	    (when target
+	      (push article deleted-articles))))))
+    ;; Change back to the current group again.
+    (nnimap-possibly-change-group group server)
+    (setq deleted-articles (nreverse deleted-articles))
+    (nnimap-delete-article deleted-articles)
+    deleted-articles))
+
+(defun nnimap-find-expired-articles (group)
+  (let ((cutoff (nnmail-expired-article-p group nil nil)))
+    (with-current-buffer (nnimap-buffer)
+      (let ((result
+	     (nnimap-command
+	      "UID SEARCH SENTBEFORE %s"
+	      (format-time-string
+	       (format "%%d-%s-%%Y"
+		       (upcase
+			(car (rassoc (nth 4 (decode-time cutoff))
+				     parse-time-months))))
+	       cutoff))))
+	(and (car result)
+	     (delete 0 (mapcar #'string-to-number
+			       (cdr (assoc "SEARCH" (cdr result))))))))))
+
 
 (defun nnimap-find-article-by-message-id (group message-id)
   (when (nnimap-possibly-change-group group nil)
@@ -505,10 +573,14 @@ textual parts.")
   (with-current-buffer (nnimap-buffer)
     (nnimap-command "UID STORE %s +FLAGS.SILENT (\\Deleted)"
 		    (nnimap-article-ranges articles))
-    (when (member "UIDPLUS" (nnimap-capabilities nnimap-object))
-      (nnimap-send-command "UID EXPUNGE %s"
-			   (nnimap-article-ranges articles))
-      t)))
+    (cond
+     ((member "UIDPLUS" (nnimap-capabilities nnimap-object))
+      (nnimap-command "UID EXPUNGE %s"
+		      (nnimap-article-ranges articles))
+      t)
+     (nnimap-expunge
+      (nnimap-command "EXPUNGE")
+      t))))
 
 (deffoo nnimap-request-scan (&optional group server)
   (when (and (nnimap-possibly-change-group nil server)
@@ -1040,17 +1112,19 @@ textual parts.")
 (defun nnimap-mark-and-expunge-incoming (range)
   (when range
     (setq range (nnimap-article-ranges range))
-    (nnimap-send-command
-     "UID STORE %s +FLAGS.SILENT (\\Deleted)" range)
-    (cond
-     ;; If the server supports it, we now delete the message we have
-     ;; just copied over.
-     ((member "UIDPLUS" (nnimap-capabilities nnimap-object))
-      (nnimap-send-command "UID EXPUNGE %s" range))
-     ;; If it doesn't support UID EXPUNGE, then we only expunge if the
-     ;; user has configured it.
-     (nnimap-expunge-inbox
-      (nnimap-send-command "EXPUNGE")))))
+    (let ((sequence
+	   (nnimap-send-command
+	    "UID STORE %s +FLAGS.SILENT (\\Deleted)" range)))
+      (cond
+       ;; If the server supports it, we now delete the message we have
+       ;; just copied over.
+       ((member "UIDPLUS" (nnimap-capabilities nnimap-object))
+	(setq sequence (nnimap-send-command "UID EXPUNGE %s" range)))
+       ;; If it doesn't support UID EXPUNGE, then we only expunge if the
+       ;; user has configured it.
+       (nnimap-expunge-inbox
+	(setq sequence (nnimap-send-command "EXPUNGE"))))
+      (nnimap-wait-for-response sequence))))
 
 (defun nnimap-parse-copied-articles (sequences)
   (let (sequence copied range)
diff --git a/lisp/gnus/nnmail.el b/lisp/gnus/nnmail.el
index 3e6cee82521..95a98352f00 100644
--- a/lisp/gnus/nnmail.el
+++ b/lisp/gnus/nnmail.el
@@ -1858,9 +1858,12 @@ See the Info node `(gnus)Fancy Mail Splitting' for more details."
       (run-hooks 'nnmail-post-get-new-mail-hook))))
 
 (defun nnmail-expired-article-p (group time force &optional inhibit)
-  "Say whether an article that is TIME old in GROUP should be expired."
+  "Say whether an article that is TIME old in GROUP should be expired.
+If TIME is nil, then return the cutoff time for oldness instead."
   (if force
-      t
+      (if (null time)
+	  (current-time)
+	t)
     (let ((days (or (and nnmail-expiry-wait-function
 			 (funcall nnmail-expiry-wait-function group))
 		    nnmail-expiry-wait)))
@@ -1871,14 +1874,18 @@ See the Info node `(gnus)Fancy Mail Splitting' for more details."
 	     nil)
 	    ((eq days 'immediate)
 	     ;; We expire all articles on sight.
-	     t)
+	     (if (null time)
+		 (current-time)
+	       t))
 	    ((equal time '(0 0))
 	    ;; This is an ange-ftp group, and we don't have any dates.
 	     nil)
 	    ((numberp days)
 	     (setq days (days-to-time days))
 	     ;; Compare the time with the current time.
-	     (ignore-errors (time-less-p days (time-since time))))))))
+	     (if (null time)
+		 (time-subtract (current-time) days)
+	       (ignore-errors (time-less-p days (time-since time)))))))))
 
 (declare-function gnus-group-mark-article-read "gnus-group" (group article))
 
diff --git a/lisp/gnus/nnml.el b/lisp/gnus/nnml.el
index 11cdfd768c3..d05485b32f3 100644
--- a/lisp/gnus/nnml.el
+++ b/lisp/gnus/nnml.el
@@ -942,22 +942,23 @@ Unless no-active is non-nil, update the active file too."
       (when (file-exists-p nov)
 	(funcall nnmail-delete-file-function nov))
       (dolist (file files)
-	(unless (file-directory-p (setq file (concat dir (cdr file))))
-	  (erase-buffer)
-	  (nnheader-insert-file-contents file)
-	  (narrow-to-region
-	   (goto-char (point-min))
-	   (progn
-	     (re-search-forward "\n\r?\n" nil t)
-	     (setq chars (- (point-max) (point)))
-	     (max (point-min) (1- (point)))))
-	  (unless (zerop (buffer-size))
-	    (goto-char (point-min))
-	    (setq headers (nnml-parse-head chars (car file)))
-	    (with-current-buffer nov-buffer
-	      (goto-char (point-max))
-	      (nnheader-insert-nov headers)))
-	  (widen)))
+	(let ((path (concat dir (cdr file))))
+	  (unless (file-directory-p path)
+	    (erase-buffer)
+	    (nnheader-insert-file-contents path)
+	    (narrow-to-region
+	     (goto-char (point-min))
+	     (progn
+	       (re-search-forward "\n\r?\n" nil t)
+	       (setq chars (- (point-max) (point)))
+	       (max (point-min) (1- (point)))))
+	    (unless (zerop (buffer-size))
+	      (goto-char (point-min))
+	      (setq headers (nnml-parse-head chars (car file)))
+	      (with-current-buffer nov-buffer
+		(goto-char (point-max))
+		(nnheader-insert-nov headers)))
+	    (widen))))
       (with-current-buffer nov-buffer
 	(nnmail-write-region (point-min) (point-max) nov nil 'nomesg)
 	(kill-buffer (current-buffer))))))
diff --git a/nt/configure.bat b/nt/configure.bat
index c7bfad35189..74c7e1af137 100755
--- a/nt/configure.bat
+++ b/nt/configure.bat
@@ -1,6 +1,6 @@
 @echo off

 rem   ----------------------------------------------------------------------

-rem   Configuration script for MS Windows 95/98/Me and NT/2000/XP

+rem   Configuration script for MS Windows operating systems

 rem   Copyright (C) 1999, 2000, 2001, 2002, 2003, 2004, 2005,

 rem      2006, 2007, 2008, 2009, 2010 Free Software Foundation, Inc.

 

@@ -22,7 +22,7 @@ rem   along with GNU Emacs.  If not, see http://www.gnu.org/licenses/.
 rem   ----------------------------------------------------------------------

 rem   YOU'LL NEED THE FOLLOWING UTILITIES TO MAKE EMACS:

 rem

-rem   + MS Windows 95/98/Me or NT/2000/XP

+rem   + MS Windows 95, NT or later

 rem   + either MSVC 2.x or later, or gcc-2.95 or later (with GNU make 3.75

 rem     or later) and the Mingw32 and W32 API headers and libraries.

 rem   + Visual Studio 2005 is not supported at this time.

@@ -116,6 +116,7 @@ if "%1" == "--without-xpm" goto withoutxpm
 if "%1" == "--with-svg" goto withsvg

 if "%1" == "--distfiles" goto distfiles

 if "%1" == "" goto checkutils

+

 :usage

 echo Usage: configure [options]

 echo Options:

@@ -137,61 +138,82 @@ echo.   --without-xpm           do not use XPM library even if it is installed
 echo.   --with-svg              use the RSVG library (experimental)

 echo.   --distfiles             path to files for make dist, e.g. libXpm.dll

 goto end

+

 rem ----------------------------------------------------------------------

+

 :setprefix

 shift

 set prefix=%1

 shift

 goto again

+

 rem ----------------------------------------------------------------------

+

 :withgcc

 set COMPILER=gcc

 shift

 goto again

+

 rem ----------------------------------------------------------------------

+

 :withmsvc

 set COMPILER=cl

 shift

 goto again

+

 rem ----------------------------------------------------------------------

+

 :nodebug

 set nodebug=Y

 shift

 goto again

+

 rem ----------------------------------------------------------------------

+

 :noopt

 set noopt=Y

 shift

 goto again

+

 rem ----------------------------------------------------------------------

+

 :enablechecking

 set enablechecking=Y

 shift

 goto again

+

 rem ----------------------------------------------------------------------

+

 :profile

 set profile=Y

 shift

 goto again

+

 rem ----------------------------------------------------------------------

+

 :nocygwin

 set nocygwin=Y

 shift

 goto again

+

 rem ----------------------------------------------------------------------

+

 :usercflags

 shift

 set usercflags=%usercflags%%sep1%%1

 set sep1= %nothing%

 shift

 goto again

+

 rem ----------------------------------------------------------------------

+

 :userldflags

 shift

 set userldflags=%userldflags%%sep2%%1

 set sep2= %nothing%

 shift

 goto again

+

 rem ----------------------------------------------------------------------

 

 :withoutpng

@@ -249,6 +271,7 @@ goto again
 

 rem ----------------------------------------------------------------------

 rem    Check that necessary utilities (cp and rm) are present.

+

 :checkutils

 echo Checking for 'cp'...

 cp configure.bat junk.bat

@@ -257,9 +280,11 @@ echo Checking for 'rm'...
 rm junk.bat

 if exist junk.bat goto needrm

 goto checkcompiler

+

 :needcp

 echo You need 'cp' (the Unix file copy program) to build Emacs.

 goto end

+

 :needrm

 del junk.bat

 echo You need 'rm' (the Unix file delete program) to build Emacs.

@@ -267,6 +292,7 @@ goto end
 

 rem ----------------------------------------------------------------------

 rem   Auto-detect compiler if not specified, and validate GCC if chosen.

+

 :checkcompiler

 if (%COMPILER%)==(cl) goto compilercheckdone

 if (%COMPILER%)==(gcc) goto checkgcc

@@ -301,6 +327,7 @@ if exist junk.o set nocygwin=Y
 :chkapi

 echo The failed program was: >>config.log

 type junk.c >>config.log

+

 :chkapiN

 rm -f junk.c junk.o

 rem ----------------------------------------------------------------------

@@ -320,8 +347,10 @@ echo {PIMAGE_SECTION_HEADER pSection = IMAGE_FIRST_SECTION(pHeader);} >>junk.c
 if (%nocygwin%) == (Y) goto chkapi1

 set cf=%usercflags%

 goto chkapi2

+

 :chkapi1

 set cf=%usercflags% -mno-cygwin

+

 :chkapi2

 echo on

 gcc %cf% -c junk.c

@@ -357,10 +386,12 @@ type junk.c >>config.log
 set mf=-mcpu=i686

 rm -f junk.c junk.o

 goto gccdebug

+

 :gccMtuneOk

 echo GCC supports -mtune=pentium4 >>config.log

 set mf=-mtune=pentium4

 rm -f junk.c junk.o

+

 :gccdebug

 rem Check for DWARF-2 debug info support, else default to stabs

 echo main(){} >junk.c

@@ -372,6 +403,7 @@ type junk.c >>config.log
 set dbginfo=-gstabs+

 rm -f junk.c junk.o

 goto compilercheckdone

+

 :gccdwarf

 echo GCC supports DWARF-2 >>config.log

 set dbginfo=-gdwarf-2 -g3

@@ -565,6 +597,7 @@ goto :distfilesDone
 set fileNotFound=

 

 rem ----------------------------------------------------------------------

+

 :genmakefiles

 echo Generating makefiles

 if %COMPILER% == gcc set MAKECMD=gmake

@@ -619,6 +652,7 @@ fc /b config.tmp ..\src\config.h >nul 2>&1
 if errorlevel 1 goto doCopy

 fc /b paths.h ..\src\epaths.h >nul 2>&1

 if errorlevel 0 goto dontCopy

+

 :doCopy

 copy config.tmp ..\src\config.h

 copy paths.h ..\src\epaths.h

@@ -648,6 +682,7 @@ fc /b foo.bar foo.bar >nul 2>&1
 if not errorlevel 2 goto doUpdateSubdirs

 fc /b subdirs.el ..\site-lisp\subdirs.el >nul 2>&1

 if not errorlevel 1 goto dontUpdateSubdirs

+

 :doUpdateSubdirs

 if exist ..\site-lisp\subdirs.el del ..\site-lisp\subdirs.el

 copy subdirs.el ..\site-lisp\subdirs.el

@@ -716,6 +751,7 @@ goto end
 echo Your environment size is too small.  Please enlarge it and rerun configure.

 echo For example, type "command.com /e:2048" to have 2048 bytes available.

 set $foo$=

+

 :end

 set prefix=

 set nodebug=

diff --git a/src/ChangeLog b/src/ChangeLog
index 063d65475ef..a44d97d96a1 100644
--- a/src/ChangeLog
+++ b/src/ChangeLog
@@ -10,6 +10,15 @@
 	current display element is a grapheme cluster in bidi-reordered
 	region.
 
+2010-09-21  Ari Roponen  <ari.roponen@gmail.com>  (tiny change)
+
+	* doc.c (Fsnarf_documentation): Use memmove instead of memcpy as
+	the regions may overlap.
+
+2010-09-21  Juanma Barranquero  <lekktu@gmail.com>
+
+	* makefile.w32-in ($(BLD)/sysdep.$(O)): Update dependencies.
+
 2010-09-21  Dan Nicolaescu  <dann@ics.uci.edu>
 
 	* emacs.c: Do not include sys/ioctl.h, not needed.
diff --git a/src/doc.c b/src/doc.c
index f8ab9d081b9..36f7c0e882a 100644
--- a/src/doc.c
+++ b/src/doc.c
@@ -678,7 +678,7 @@ the same file name is found in the `doc-directory'.  */)
 	}
       pos += end - buf;
       filled -= end - buf;
-      memcpy (buf, end, filled);
+      memmove (buf, end, filled);
     }
   emacs_close (fd);
   return Qnil;
diff --git a/src/makefile.w32-in b/src/makefile.w32-in
index 8d99d6cedfe..752a3c211b3 100644
--- a/src/makefile.w32-in
+++ b/src/makefile.w32-in
@@ -1344,7 +1344,6 @@ $(BLD)/sysdep.$(O) : \
 	$(EMACS_ROOT)/nt/inc/pwd.h \
 	$(EMACS_ROOT)/nt/inc/unistd.h \
 	$(EMACS_ROOT)/nt/inc/sys/file.h \
-	$(EMACS_ROOT)/nt/inc/sys/ioctl.h \
 	$(EMACS_ROOT)/nt/inc/sys/socket.h \
 	$(EMACS_ROOT)/nt/inc/sys/time.h \
 	$(SRC)/lisp.h \