From 71e691a59f04acbd9a03c2d38d7e8971a0ec5115 Mon Sep 17 00:00:00 2001
From: Gnus developers <ding@gnus.org>
Date: Mon, 4 Oct 2010 22:26:51 +0000
Subject: [PATCH] Merge changes made in Gnus trunk.

shr.el: Implement table rendering.
shr.el (shr-make-table): Tweak table generation.
shr.el (shr-make-table): Fix typo.
nnimap.el (nnimap-open-connection): Allow tls as a synonym for ssl.
gnus-util.el (gnus-emacs-completing-read): Mapcar collection to list, for XEmacs.
nnimap.el (nnimap-close-server): Implement.
gnus-salt.el: Remove all gnus-carpal stuff -- it's not useful.
nnir.el (nnir-run-imap): Remove spurious space in search string.
message.el (message-idna-to-ascii-rhs-1): Don't bug out on addresses without @ signs.
gnus-sum.el (gnus-widen-article-window): New variable.
shr.el (browse-url): Required.
shr.el (shr-ensure-paragraph): Don't insert a new newline after empty-ish lines.
shr.el (shr-show-alt-text, shr-browse-image): New commands.
gravatar.el (gravatar-retrieved): kill buffer when retrieved.
shr.el (shr-browse-url, shr-copy-url): New commands.
shr.el (shr-render-td): Protect against too-wide text.
spam-report.el (spam-report-url-ping-plain): Don't query about killing the process.
nnimap.el (nnimap-finish-retrieve-group-infos): Message while waiting for data.
shr.el (shr-tag-blockquote): Ensure paragraph after quote, too.
mml-smime.el: Fix gnus-completing-read usage.
shr.el (shr-get-image-data): Ensure against the cache file missing.
nnimap.el (nnimap-open-connection): Give an error if nnimap-stream is unknown.
---
 doc/misc/ChangeLog       |   4 +
 doc/misc/gnus-news.texi  |   2 +
 doc/misc/gnus.texi       |  79 ++-----------
 lisp/gnus/ChangeLog      |  55 ++++++++-
 lisp/gnus/gnus-group.el  |   4 +-
 lisp/gnus/gnus-salt.el   | 171 ----------------------------
 lisp/gnus/gnus-srvr.el   |   6 +-
 lisp/gnus/gnus-sum.el    |  14 ++-
 lisp/gnus/gnus-util.el   |   6 +-
 lisp/gnus/gnus-win.el    |  18 +--
 lisp/gnus/gnus.el        |   7 +-
 lisp/gnus/gravatar.el    |   3 +-
 lisp/gnus/message.el     |   4 +-
 lisp/gnus/mml-smime.el   |   4 +-
 lisp/gnus/nnimap.el      |  15 ++-
 lisp/gnus/nnir.el        |   2 +-
 lisp/gnus/shr.el         | 240 ++++++++++++++++++++++++++++++++++++---
 lisp/gnus/spam-report.el |   1 +
 18 files changed, 334 insertions(+), 301 deletions(-)

diff --git a/doc/misc/ChangeLog b/doc/misc/ChangeLog
index 5c2766c853..b30bb9e502 100644
--- a/doc/misc/ChangeLog
+++ b/doc/misc/ChangeLog
@@ -1,3 +1,7 @@
+2010-10-04  Lars Magne Ingebrigtsen  <larsi@gnus.org>
+
+	* gnus.texi (Misc Article): Document gnus-widen-article-window.
+
 2010-10-03  Julien Danjou  <julien@danjou.info>
 
 	* emacs-mime.texi (Display Customization): Update
diff --git a/doc/misc/gnus-news.texi b/doc/misc/gnus-news.texi
index 028539a7fb..1136d52e51 100644
--- a/doc/misc/gnus-news.texi
+++ b/doc/misc/gnus-news.texi
@@ -356,6 +356,8 @@ moving articles to a group that has not turned auto-expire on.
 
 @item NoCeM support has been removed.
 
+@item Carpal mode has been removed.
+
 @end itemize
 
 @end itemize
diff --git a/doc/misc/gnus.texi b/doc/misc/gnus.texi
index 00f58b2307..6c20e424f0 100644
--- a/doc/misc/gnus.texi
+++ b/doc/misc/gnus.texi
@@ -797,7 +797,6 @@ Various
 * Compilation::                 How to speed Gnus up.
 * Mode Lines::                  Displaying information in the mode lines.
 * Highlighting and Menus::      Making buffers look all nice and cozy.
-* Buttons::                     Get tendinitis in ten easy steps!
 * Daemons::                     Gnus can do things behind your back.
 * Undo::                        Some actions can be undone.
 * Predicate Specifiers::        Specifying predicates.
@@ -12847,6 +12846,11 @@ If non-@code{nil}, use the same article buffer for all the groups.
 (This is the default.)  If @code{nil}, each group will have its own
 article buffer.
 
+@item gnus-widen-article-window
+@cindex gnus-widen-article-window
+If non-@code{nil}, selecting the article buffer with the @kbd{h}
+command will ``widen'' the article window to take the entire frame.
+
 @vindex gnus-article-decode-hook
 @item gnus-article-decode-hook
 @cindex @acronym{MIME}
@@ -21717,7 +21721,6 @@ four days, Gnus will decay the scores four times, for instance.
 * Compilation::                 How to speed Gnus up.
 * Mode Lines::                  Displaying information in the mode lines.
 * Highlighting and Menus::      Making buffers look all nice and cozy.
-* Buttons::                     Get tendinitis in ten easy steps!
 * Daemons::                     Gnus can do things behind your back.
 * Undo::                        Some actions can be undone.
 * Predicate Specifiers::        Specifying predicates.
@@ -22178,8 +22181,7 @@ glitches.  Use at your own peril.
 buffer should be given.  Here's an excerpt of this variable:
 
 @lisp
-((group (vertical 1.0 (group 1.0 point)
-                      (if gnus-carpal (group-carpal 4))))
+((group (vertical 1.0 (group 1.0 point)))
  (article (vertical 1.0 (summary 0.25 point)
                         (article 1.0))))
 @end lisp
@@ -22217,7 +22219,6 @@ Here's a more complicated example:
 @lisp
 (article (vertical 1.0 (group 4)
                        (summary 0.25 point)
-                       (if gnus-carpal (summary-carpal 4))
                        (article 1.0)))
 @end lisp
 
@@ -22228,20 +22229,16 @@ occupy, not a percentage.
 If the @dfn{split} looks like something that can be @code{eval}ed (to be
 precise---if the @code{car} of the split is a function or a subr), this
 split will be @code{eval}ed.  If the result is non-@code{nil}, it will
-be used as a split.  This means that there will be three buffers if
-@code{gnus-carpal} is @code{nil}, and four buffers if @code{gnus-carpal}
-is non-@code{nil}.
+be used as a split.
 
 Not complicated enough for you?  Well, try this on for size:
 
 @lisp
 (article (horizontal 1.0
              (vertical 0.5
-                 (group 1.0)
-                 (gnus-carpal 4))
+                 (group 1.0))
              (vertical 1.0
                  (summary 0.25 point)
-                 (summary-carpal 4)
                  (article 1.0))))
 @end lisp
 
@@ -22618,62 +22615,6 @@ Hook called after creating the score mode menu.
 @end table
 
 
-@node Buttons
-@section Buttons
-@cindex buttons
-@cindex mouse
-@cindex click
-
-Those new-fangled @dfn{mouse} contraptions is very popular with the
-young, hep kids who don't want to learn the proper way to do things
-these days.  Why, I remember way back in the summer of '89, when I was
-using Emacs on a Tops 20 system.  Three hundred users on one single
-machine, and every user was running Simula compilers.  Bah!
-
-Right.
-
-@vindex gnus-carpal
-Well, you can make Gnus display bufferfuls of buttons you can click to
-do anything by setting @code{gnus-carpal} to @code{t}.  Pretty simple,
-really.  Tell the chiropractor I sent you.
-
-
-@table @code
-
-@item gnus-carpal-mode-hook
-@vindex gnus-carpal-mode-hook
-Hook run in all carpal mode buffers.
-
-@item gnus-carpal-button-face
-@vindex gnus-carpal-button-face
-Face used on buttons.
-
-@item gnus-carpal-header-face
-@vindex gnus-carpal-header-face
-Face used on carpal buffer headers.
-
-@item gnus-carpal-group-buffer-buttons
-@vindex gnus-carpal-group-buffer-buttons
-Buttons in the group buffer.
-
-@item gnus-carpal-summary-buffer-buttons
-@vindex gnus-carpal-summary-buffer-buttons
-Buttons in the summary buffer.
-
-@item gnus-carpal-server-buffer-buttons
-@vindex gnus-carpal-server-buffer-buttons
-Buttons in the server buffer.
-
-@item gnus-carpal-browse-buffer-buttons
-@vindex gnus-carpal-browse-buffer-buttons
-Buttons in the browse buffer.
-@end table
-
-All the @code{buttons} variables are lists.  The elements in these list
-are either cons cells where the @code{car} contains a text to be displayed and
-the @code{cdr} contains a function symbol, or a simple string.
-
-
 @node Daemons
 @section Daemons
 @cindex demons
@@ -26651,10 +26592,6 @@ Buttons}).
 You can do lots of strange stuff with the Gnus window & frame
 configuration (@pxref{Window Layout}).
 
-@item
-You can click on buttons instead of using the keyboard
-(@pxref{Buttons}).
-
 @end itemize
 
 
diff --git a/lisp/gnus/ChangeLog b/lisp/gnus/ChangeLog
index 33a760eb6f..a2371a51b4 100644
--- a/lisp/gnus/ChangeLog
+++ b/lisp/gnus/ChangeLog
@@ -1,11 +1,64 @@
 2010-10-04  Lars Magne Ingebrigtsen  <larsi@gnus.org>
 
+	* shr.el (shr-tag-blockquote): Ensure paragraph after quote, too.
+	(shr-get-image-data): Ensure against the cache file missing.
+
+	* nnimap.el (nnimap-finish-retrieve-group-infos): Message while waiting
+	for data.
+
+	* spam-report.el (spam-report-url-ping-plain): Don't query about
+	killing the process.
+
+	* shr.el (shr-render-td): Protect against too-wide text.
+
+2010-10-04  Julien Danjou  <julien@danjou.info>
+
+	* mml-smime.el (mml-smime-openssl-encrypt-query): Fix choices.
+	(mml-smime-openssl-sign-query): Fix gnus-completing-read call.
+
+	* gravatar.el (gravatar-retrieved): Kill buffer when gravatar has been
+	retrieved.
+
+2010-10-04  Lars Magne Ingebrigtsen  <larsi@gnus.org>
+
+	* shr.el (browse-url): Required.
+	(shr-ensure-paragraph): Don't insert a new newline after empty-ish
+	lines.
+	(shr-show-alt-text, shr-browse-image): New commands.
+	(shr-browse-url, shr-copy-url): New commands.
+
+	* gnus-sum.el (gnus-widen-article-window): New variable.
+	(gnus-summary-select-article-buffer): Use it.
+
+	* message.el (message-idna-to-ascii-rhs-1): Don't bug out on addresses
+	without @ signs.
+
+2010-10-04  Michael Welsh Duggan  <md5i@md5i.com>  (tiny change)
+
+	* nnir.el (nnir-run-imap): Remove spurious space in search string.
+
+2010-10-04  Julien Danjou  <julien@danjou.info>
+
+	* gnus-util.el (gnus-emacs-completing-read): Mapcar collection to list,
+	for XEmacs.
+
+2010-10-04  Lars Magne Ingebrigtsen  <larsi@gnus.org>
+
+	* gnus-salt.el: Remove all gnus-carpal stuff -- it's not useful.
+
+	* nnimap.el (nnimap-open-connection): Allow tls as a synonym for ssl.
+	(nnimap-close-server): Implement.
+
 	* shr.el (shr-ensure-paragraph): Fix the non-empty line case.
 	(shr-insert): Tweak line breaking.
 	(shr-insert): Handle <pre> better.
 	(shr-tag-li): Get <li> indentation right.
 	(shr-tag-li): Get <li> indentation even righter.
 	(shr-tag-blockquote): Ensure paragraph start.
+	(shr-make-table): Tweak table generation.
+	(shr-make-table): Fix typo.
+
+	* shr.el: Implement table rendering.
 
 2010-10-04  Julien Danjou  <julien@danjou.info>
 
@@ -1458,8 +1511,6 @@
 	* nnimap.el (nnimap-open-connection): If the user doesn't have a
 	/etc/services, supply some sensible port defaults.
 
-	* dgnushack.el: Define netrc-credentials.
-
 2010-09-17  Julien Danjou  <julien@danjou.info>
 
 	* mm-decode.el (mm-text-html-renderer): Document gnus-article-html.
diff --git a/lisp/gnus/gnus-group.el b/lisp/gnus/gnus-group.el
index 2ea5cce784..d9e36ae6ea 100644
--- a/lisp/gnus/gnus-group.el
+++ b/lisp/gnus/gnus-group.el
@@ -1186,9 +1186,7 @@ The following commands are available:
 (defun gnus-group-setup-buffer ()
   (set-buffer (gnus-get-buffer-create gnus-group-buffer))
   (unless (eq major-mode 'gnus-group-mode)
-    (gnus-group-mode)
-    (when gnus-carpal
-      (gnus-carpal-setup-buffer 'group))))
+    (gnus-group-mode)))
 
 (defun gnus-group-name-charset (method group)
   (if (null method)
diff --git a/lisp/gnus/gnus-salt.el b/lisp/gnus/gnus-salt.el
index 21b9d8954f..a72d594a38 100644
--- a/lisp/gnus/gnus-salt.el
+++ b/lisp/gnus/gnus-salt.el
@@ -869,177 +869,6 @@ Two predefined functions are available:
 	(set-window-point
 	 (gnus-get-buffer-window (current-buffer) t) (cdr region))))))
 
-;;;
-;;; gnus-carpal
-;;;
-
-(defvar gnus-carpal-group-buffer-buttons
-  '(("next" . gnus-group-next-unread-group)
-    ("prev" . gnus-group-prev-unread-group)
-    ("read" . gnus-group-read-group)
-    ("select" . gnus-group-select-group)
-    ("catch-up" . gnus-group-catchup-current)
-    ("new-news" . gnus-group-get-new-news-this-group)
-    ("toggle-sub" . gnus-group-unsubscribe-current-group)
-    ("subscribe" . gnus-group-unsubscribe-group)
-    ("kill" . gnus-group-kill-group)
-    ("yank" . gnus-group-yank-group)
-    ("describe" . gnus-group-describe-group)
-    "list"
-    ("subscribed" . gnus-group-list-groups)
-    ("all" . gnus-group-list-all-groups)
-    ("killed" . gnus-group-list-killed)
-    ("zombies" . gnus-group-list-zombies)
-    ("matching" . gnus-group-list-matching)
-    ("post" . gnus-group-post-news)
-    ("mail" . gnus-group-mail)
-    ("local" . (lambda () (interactive) (gnus-group-news 0)))
-    ("rescan" . gnus-group-get-new-news)
-    ("browse-foreign" . gnus-group-browse-foreign)
-    ("exit" . gnus-group-exit)))
-
-(defvar gnus-carpal-summary-buffer-buttons
-  '("mark"
-    ("read" . gnus-summary-mark-as-read-forward)
-    ("tick" . gnus-summary-tick-article-forward)
-    ("clear" . gnus-summary-clear-mark-forward)
-    ("expirable" . gnus-summary-mark-as-expirable)
-    "move"
-    ("scroll" . gnus-summary-next-page)
-    ("next-unread" . gnus-summary-next-unread-article)
-    ("prev-unread" . gnus-summary-prev-unread-article)
-    ("first" . gnus-summary-first-unread-article)
-    ("best" . gnus-summary-best-unread-article)
-    "article"
-    ("headers" . gnus-summary-toggle-header)
-    ("uudecode" . gnus-uu-decode-uu)
-    ("enter-digest" . gnus-summary-enter-digest-group)
-    ("fetch-parent" . gnus-summary-refer-parent-article)
-    "mail"
-    ("move" . gnus-summary-move-article)
-    ("copy" . gnus-summary-copy-article)
-    ("respool" . gnus-summary-respool-article)
-    "threads"
-    ("lower" . gnus-summary-lower-thread)
-    ("kill" . gnus-summary-kill-thread)
-    "post"
-    ("post" . gnus-summary-post-news)
-    ("local" . gnus-summary-news-other-window)
-    ("mail" . gnus-summary-mail-other-window)
-    ("followup" . gnus-summary-followup-with-original)
-    ("reply" . gnus-summary-reply-with-original)
-    ("cancel" . gnus-summary-cancel-article)
-    "misc"
-    ("exit" . gnus-summary-exit)
-    ("fed-up" . gnus-summary-catchup-and-goto-next-group)))
-
-(defvar gnus-carpal-server-buffer-buttons
-  '(("add" . gnus-server-add-server)
-    ("browse" . gnus-server-browse-server)
-    ("list" . gnus-server-list-servers)
-    ("kill" . gnus-server-kill-server)
-    ("yank" . gnus-server-yank-server)
-    ("copy" . gnus-server-copy-server)
-    ("exit" . gnus-server-exit)))
-
-(defvar gnus-carpal-browse-buffer-buttons
-  '(("subscribe" . gnus-browse-unsubscribe-current-group)
-    ("exit" . gnus-browse-exit)))
-
-(defvar gnus-carpal-group-buffer "*Carpal Group*")
-(defvar gnus-carpal-summary-buffer "*Carpal Summary*")
-(defvar gnus-carpal-server-buffer "*Carpal Server*")
-(defvar gnus-carpal-browse-buffer "*Carpal Browse*")
-
-(defvar gnus-carpal-attached-buffer nil)
-
-(defvar gnus-carpal-mode-hook nil
-  "*Hook run in carpal mode buffers.")
-
-(defvar gnus-carpal-button-face 'bold
-  "*Face used on carpal buttons.")
-
-(defvar gnus-carpal-header-face 'bold-italic
-  "*Face used on carpal buffer headers.")
-
-(defvar gnus-carpal-mode-map nil)
-(put 'gnus-carpal-mode 'mode-class 'special)
-
-(if gnus-carpal-mode-map
-    nil
-  (setq gnus-carpal-mode-map (make-keymap))
-  (suppress-keymap gnus-carpal-mode-map)
-  (define-key gnus-carpal-mode-map " " 'gnus-carpal-select)
-  (define-key gnus-carpal-mode-map "\r" 'gnus-carpal-select)
-  (define-key gnus-carpal-mode-map gnus-mouse-2 'gnus-carpal-mouse-select))
-
-(defun gnus-carpal-mode ()
-  "Major mode for clicking buttons.
-
-All normal editing commands are switched off.
-\\<gnus-carpal-mode-map>
-The following commands are available:
-
-\\{gnus-carpal-mode-map}"
-  (interactive)
-  (kill-all-local-variables)
-  (setq mode-line-modified (cdr gnus-mode-line-modified))
-  (setq major-mode 'gnus-carpal-mode)
-  (setq mode-name "Gnus Carpal")
-  (setq mode-line-process nil)
-  (use-local-map gnus-carpal-mode-map)
-  (buffer-disable-undo)
-  (setq buffer-read-only t)
-  (make-local-variable 'gnus-carpal-attached-buffer)
-  (gnus-run-mode-hooks 'gnus-carpal-mode-hook))
-
-(defun gnus-carpal-setup-buffer (type)
-  (let ((buffer (symbol-value (intern (format "gnus-carpal-%s-buffer" type)))))
-    (if (get-buffer buffer)
-	()
-      (with-current-buffer (gnus-get-buffer-create buffer)
-	(gnus-carpal-mode)
-	(setq gnus-carpal-attached-buffer
-	      (intern (format "gnus-%s-buffer" type)))
-	(let ((buttons (symbol-value
-			(intern (format "gnus-carpal-%s-buffer-buttons"
-					type))))
-	      (buffer-read-only nil)
-	      button)
-	  (while buttons
-	    (setq button (car buttons)
-		  buttons (cdr buttons))
-	    (if (stringp button)
-		(set-text-properties
-		 (point)
-		 (prog2 (insert button) (point) (insert " "))
-		 (list 'face gnus-carpal-header-face))
-	      (set-text-properties
-	       (point)
-	       (prog2 (insert (car button)) (point) (insert " "))
-	       (list 'gnus-callback (cdr button)
-		     'face gnus-carpal-button-face
-		     gnus-mouse-face-prop 'highlight))))
-	  (let ((fill-column (- (window-width) 2)))
-	    (fill-region (point-min) (point-max)))
-	  (set-window-point (get-buffer-window (current-buffer))
-			    (point-min)))))))
-
-(defun gnus-carpal-select ()
-  "Select the button under point."
-  (interactive)
-  (let ((func (get-text-property (point) 'gnus-callback)))
-    (if (null func)
-	()
-      (pop-to-buffer (symbol-value gnus-carpal-attached-buffer))
-      (call-interactively func))))
-
-(defun gnus-carpal-mouse-select (event)
-  "Select the button under the mouse pointer."
-  (interactive "e")
-  (mouse-set-point event)
-  (gnus-carpal-select))
-
 ;;; Allow redefinition of functions.
 (gnus-ems-redefine)
 
diff --git a/lisp/gnus/gnus-srvr.el b/lisp/gnus/gnus-srvr.el
index 2b13f39ddb..b532b74045 100644
--- a/lisp/gnus/gnus-srvr.el
+++ b/lisp/gnus/gnus-srvr.el
@@ -301,9 +301,7 @@ The following commands are available:
   "Initialize the server buffer."
   (unless (get-buffer gnus-server-buffer)
     (with-current-buffer (gnus-get-buffer-create gnus-server-buffer)
-      (gnus-server-mode)
-      (when gnus-carpal
-	(gnus-carpal-setup-buffer 'server)))))
+      (gnus-server-mode))))
 
 (defun gnus-server-prepare ()
   (gnus-set-format 'server-mode)
@@ -806,8 +804,6 @@ claim them."
 	    (funcall gnus-group-prepare-function
 		     gnus-level-killed 'ignore 1 'ignore))
 	(gnus-get-buffer-create gnus-browse-buffer)
-	(when gnus-carpal
-	  (gnus-carpal-setup-buffer 'browse))
 	(gnus-configure-windows 'browse)
 	(buffer-disable-undo)
 	(let ((buffer-read-only nil))
diff --git a/lisp/gnus/gnus-sum.el b/lisp/gnus/gnus-sum.el
index c77fd1c4aa..a0e38d4f4f 100644
--- a/lisp/gnus/gnus-sum.el
+++ b/lisp/gnus/gnus-sum.el
@@ -474,6 +474,12 @@ If nil, each group will get its own article buffer."
   :group 'gnus-article-various
   :type 'boolean)
 
+(defcustom gnus-widen-article-window nil
+  "If non-nil, selecting the article buffer will display only the article buffer."
+  :version "24.1"
+  :group 'gnus-article-various
+  :type 'boolean)
+
 (defcustom gnus-break-pages t
   "*If non-nil, do page breaking on articles.
 The page delimiter is specified by the `gnus-page-delimiter'
@@ -3493,8 +3499,6 @@ display only a single character."
       ;; Fix by Sudish Joseph <joseph@cis.ohio-state.edu>
       (setq gnus-summary-buffer (set-buffer (gnus-get-buffer-create buffer)))
       (gnus-summary-mode group)
-      (when gnus-carpal
-	(gnus-carpal-setup-buffer 'summary))
       (when (gnus-group-quit-config group)
 	(set (make-local-variable 'gnus-single-article-buffer) nil))
       (make-local-variable 'gnus-article-buffer)
@@ -6935,7 +6939,11 @@ displayed, no centering will be performed."
       (error "There is no article buffer for this summary buffer")
     (unless (get-buffer-window gnus-article-buffer)
       (gnus-summary-show-article))
-    (gnus-configure-windows 'article t)
+    (gnus-configure-windows
+     (if gnus-widen-article-window
+	 'only-article
+       'article)
+     t)
     (select-window (get-buffer-window gnus-article-buffer))))
 
 (defun gnus-summary-universal-argument (arg)
diff --git a/lisp/gnus/gnus-util.el b/lisp/gnus/gnus-util.el
index 26d6e2c08b..e4b8f8f87d 100644
--- a/lisp/gnus/gnus-util.el
+++ b/lisp/gnus/gnus-util.el
@@ -1602,7 +1602,11 @@ SPEC is a predicate specifier that contains stuff like `or', `and',
                                           initial-input history def)
   "Call standard `completing-read-function'."
   (let ((completion-styles gnus-completion-styles))
-    (completing-read prompt collection nil require-match initial-input history def)))
+    (completing-read prompt
+                     ;; Old XEmacs (at least 21.4) expect an alist for
+                     ;; collection.
+                     (mapcar 'list collection)
+                     nil require-match initial-input history def)))
 
 (defun gnus-ido-completing-read (prompt collection &optional require-match
                                         initial-input history def)
diff --git a/lisp/gnus/gnus-win.el b/lisp/gnus/gnus-win.el
index df883769b7..809e4c339b 100644
--- a/lisp/gnus/gnus-win.el
+++ b/lisp/gnus/gnus-win.el
@@ -68,12 +68,10 @@ used to display Gnus windows."
 (defvar gnus-buffer-configuration
   '((group
      (vertical 1.0
-	       (group 1.0 point)
-	       (if gnus-carpal '(group-carpal 4))))
+	       (group 1.0 point)))
     (summary
      (vertical 1.0
-	       (summary 1.0 point)
-	       (if gnus-carpal '(summary-carpal 4))))
+	       (summary 1.0 point)))
     (article
      (cond
       (gnus-use-trees
@@ -84,16 +82,13 @@ used to display Gnus windows."
       (t
        '(vertical 1.0
 		  (summary 0.25 point)
-		  (if gnus-carpal '(summary-carpal 4))
 		  (article 1.0)))))
     (server
      (vertical 1.0
-	       (server 1.0 point)
-	       (if gnus-carpal '(server-carpal 2))))
+	       (server 1.0 point)))
     (browse
      (vertical 1.0
-	       (browse 1.0 point)
-	       (if gnus-carpal '(browse-carpal 2))))
+	       (browse 1.0 point)))
     (message
      (vertical 1.0
 	       (message 1.0 point)))
@@ -145,7 +140,6 @@ used to display Gnus windows."
     (pipe
      (vertical 1.0
 	       (summary 0.25 point)
-	       (if gnus-carpal '(summary-carpal 4))
 	       ("*Shell Command Output*" 1.0)))
     (bug
      (vertical 1.0
@@ -189,10 +183,6 @@ See the Gnus manual for an explanation of the syntax used.")
     (edit-group . gnus-group-edit-buffer)
     (edit-form . gnus-edit-form-buffer)
     (edit-server . gnus-server-edit-buffer)
-    (group-carpal . gnus-carpal-group-buffer)
-    (summary-carpal . gnus-carpal-summary-buffer)
-    (server-carpal . gnus-carpal-server-buffer)
-    (browse-carpal . gnus-carpal-browse-buffer)
     (edit-score . gnus-score-edit-buffer)
     (message . gnus-message-buffer)
     (mail . gnus-message-buffer)
diff --git a/lisp/gnus/gnus.el b/lisp/gnus/gnus.el
index 4a5f0f79d6..069596289e 100644
--- a/lisp/gnus/gnus.el
+++ b/lisp/gnus/gnus.el
@@ -1626,11 +1626,6 @@ slower."
 		(function-item mail-extract-address-components)
 		(function :tag "Other")))
 
-(defcustom gnus-carpal nil
-  "*If non-nil, display clickable icons."
-  :group 'gnus-meta
-  :type 'boolean)
-
 (defcustom gnus-shell-command-separator ";"
   "String used to separate shell commands."
   :group 'gnus-files
@@ -2803,7 +2798,7 @@ gnus-registry.el will populate this if it's loaded.")
       gnus-convert-image-to-gray-x-face gnus-convert-face-to-png
       gnus-face-from-file)
      ("gnus-salt" gnus-highlight-selected-tree gnus-possibly-generate-tree
-      gnus-tree-open gnus-tree-close gnus-carpal-setup-buffer)
+      gnus-tree-open gnus-tree-close)
      ("gnus-srvr" gnus-enter-server-buffer gnus-server-set-info
       gnus-server-server-name)
      ("gnus-srvr" gnus-browse-foreign-server)
diff --git a/lisp/gnus/gravatar.el b/lisp/gnus/gravatar.el
index d4dfb76316..50b0ba1d63 100644
--- a/lisp/gnus/gravatar.el
+++ b/lisp/gnus/gravatar.el
@@ -125,7 +125,8 @@ You can provide a list of argument to pass to CB in CBARGS."
   (if (plist-get status :error)
       ;; Error happened.
       (apply cb 'error cbargs)
-    (apply cb (gravatar-data->image) cbargs)))
+    (apply cb (gravatar-data->image) cbargs))
+  (kill-buffer (current-buffer)))
 
 (provide 'gravatar)
 
diff --git a/lisp/gnus/message.el b/lisp/gnus/message.el
index d5a620b3b7..546f13af81 100644
--- a/lisp/gnus/message.el
+++ b/lisp/gnus/message.el
@@ -5736,7 +5736,9 @@ subscribed address (and not the additional To and Cc header contents)."
 		(mapcar (lambda (rhs) (or (cadr (split-string rhs "@")) ""))
 			(mapcar 'downcase
 				(mapcar
-				 'cadr
+				 (lambda (elem)
+				   (or (cadr elem)
+				       ""))
 				 (mail-extract-address-components field t))))))
 	;; Note that `rhs' will be "" if the address does not have
 	;; the domain part, i.e., if it is a local user's address.
diff --git a/lisp/gnus/mml-smime.el b/lisp/gnus/mml-smime.el
index 62e742f93a..188717e592 100644
--- a/lisp/gnus/mml-smime.el
+++ b/lisp/gnus/mml-smime.el
@@ -162,7 +162,7 @@ Whether the passphrase is cached at all is controlled by
 		(and from (smime-get-key-by-email from)))
 	      (smime-get-key-by-email
 	       (gnus-completing-read "Sign this part with what signature"
-                                     smime-keys nil nil
+                                     (mapcar 'car smime-keys) nil nil nil
                                      (and (listp (car-safe smime-keys))
                                           (caar smime-keys))))))))
 
@@ -221,7 +221,7 @@ Whether the passphrase is cached at all is controlled by
     (while (not done)
       (ecase (read (gnus-completing-read
 		    "Fetch certificate from"
-		    '(("dns") ("ldap") ("file")) t nil nil
+		    '("dns" "ldap" "file") t nil nil
                     "ldap"))
 	(dns (setq certs (append certs
 				 (mml-smime-get-dns-cert))))
diff --git a/lisp/gnus/nnimap.el b/lisp/gnus/nnimap.el
index 0aaa797b83..c3c25cbf19 100644
--- a/lisp/gnus/nnimap.el
+++ b/lisp/gnus/nnimap.el
@@ -316,7 +316,7 @@ textual parts.")
 		   (setq port (or nnimap-server-port "imap"))
 		   'starttls))
 		'("imap"))
-	       ((eq nnimap-stream 'ssl)
+	       ((memq nnimap-stream '(ssl tls))
 		(open-tls-stream
 		 "*nnimap*" (current-buffer) nnimap-address
 		 (setq port
@@ -324,7 +324,9 @@ textual parts.")
 			   (if (netrc-find-service-number "imaps")
 			       "imaps"
 			     "993"))))
-		'("143" "993" "imap" "imaps"))))
+		'("143" "993" "imap" "imaps"))
+	       (t
+		(error "Unknown stream type: %s" nnimap-stream))))
 	     connection-result login-result credentials)
 	(setf (nnimap-process nnimap-object)
 	      (get-buffer-process (current-buffer)))
@@ -424,7 +426,10 @@ textual parts.")
     result))
 
 (deffoo nnimap-close-server (&optional server)
-  t)
+  (when (nnoo-change-server 'nnimap server nil)
+    (ignore-errors
+      (delete-process (get-buffer-process (nnimap-buffer))))
+    t))
 
 (deffoo nnimap-request-close ()
   t)
@@ -974,7 +979,7 @@ textual parts.")
 	     (nnimap-possibly-change-group nil server))
     (with-current-buffer (nnimap-buffer)
       ;; Wait for the final data to trickle in.
-      (when (nnimap-wait-for-response (cadar sequences))
+      (when (nnimap-wait-for-response (cadar sequences) t)
 	;; Now we should have all the data we need, no matter whether
 	;; we're QRESYNCING, fetching all the flags from scratch, or
 	;; just fetching the last 100 flags per group.
@@ -1251,7 +1256,7 @@ textual parts.")
 			(point-min))
 		      t)))
       (when messagep
-	(message "Read %dKB" (/ (buffer-size) 1000)))
+	(message "nnimap read %dk" (/ (buffer-size) 1000)))
       (nnheader-accept-process-output process)
       (goto-char (point-max)))
     openp))
diff --git a/lisp/gnus/nnir.el b/lisp/gnus/nnir.el
index de304bf216..baba9e0098 100644
--- a/lisp/gnus/nnir.el
+++ b/lisp/gnus/nnir.el
@@ -985,7 +985,7 @@ details on the language and supported extensions"
 	      (message "Searching %s..." group)
 	      (let ((arts 0)
 		    (result
-		     (nnimap-command "UID SEARCH  %s"
+		     (nnimap-command "UID SEARCH %s"
 				     (if (string= criteria "")
 					 qstring
 				       (nnir-imap-make-query criteria qstring)
diff --git a/lisp/gnus/shr.el b/lisp/gnus/shr.el
index c2c2c2ed28..59d7b784a1 100644
--- a/lisp/gnus/shr.el
+++ b/lisp/gnus/shr.el
@@ -30,6 +30,8 @@
 
 ;;; Code:
 
+(require 'browse-url)
+
 (defgroup shr nil
   "Simple HTML Renderer"
   :group 'mail)
@@ -57,6 +59,16 @@ fit these criteria."
 
 (defvar shr-width 70)
 
+(defvar shr-map
+  (let ((map (make-sparse-keymap)))
+    (define-key map "a" 'shr-show-alt-text)
+    (define-key map "i" 'shr-browse-image)
+    (define-key map "I" 'shr-insert-image)
+    (define-key map "u" 'shr-copy-url)
+    (define-key map "v" 'shr-browse-url)
+    (define-key map "\r" 'shr-browse-url)
+    map))
+
 (defun shr-transform-dom (dom)
   (let ((result (list (pop dom))))
     (dolist (arg (pop dom))
@@ -97,7 +109,9 @@ fit these criteria."
 (defun shr-ensure-paragraph ()
   (unless (bobp)
     (if (bolp)
-	(unless (eql (char-after (- (point) 2)) ?\n)
+	(unless (save-excursion
+		  (forward-line -1)
+		  (looking-at " *$"))
 	  (insert "\n"))
       (if (save-excursion
 	    (beginning-of-line)
@@ -129,17 +143,53 @@ fit these criteria."
 
 (defun shr-tag-a (cont)
   (let ((url (cdr (assq :href cont)))
+	(start (point))
 	shr-start)
     (shr-generic cont)
     (widget-convert-button
-     'link shr-start (point)
-     :action 'shr-browse-url
-     :url url
-     :keymap widget-keymap
-     :help-echo url)))
-
-(defun shr-browse-url (widget &rest stuff)
-  (browse-url (widget-get widget :url)))
+     'link (or shr-start start) (point)
+     :help-echo url)
+    (put-text-property (or shr-start start) (point) 'keymap shr-map)
+    (put-text-property (or shr-start start) (point) 'shr-url url)))
+
+(defun shr-browse-url ()
+  "Browse the URL under point."
+  (interactive)
+  (let ((url (get-text-property (point) 'shr-url)))
+    (if (not url)
+	(message "No link under point")
+      (browse-url url))))
+
+(defun shr-copy-url ()
+  "Copy the URL under point to the kill ring.
+If called twice, then try to fetch the URL and see whether it
+redirects somewhere else."
+  (interactive)
+  (let ((url (get-text-property (point) 'shr-url)))
+    (cond
+     ((not url)
+      (message "No URL under point"))
+     ;; Resolve redirected URLs.
+     ((equal url (car kill-ring))
+      (url-retrieve
+       url
+       (lambda (a)
+	 (when (and (consp a)
+		    (eq (car a) :redirect))
+	   (with-temp-buffer
+	     (insert (cadr a))
+	     (goto-char (point-min))
+	     ;; Remove common tracking junk from the URL.
+	     (when (re-search-forward ".utm_.*" nil t)
+	       (replace-match "" t t))
+	     (message "Copied %s" (buffer-string))
+	     (copy-region-as-kill (point-min) (point-max)))))))
+     ;; Copy the URL to the kill ring.
+     (t
+      (with-temp-buffer
+	(insert url)
+	(copy-region-as-kill (point-min) (point-max))
+	(message "Copied %s" url))))))
 
 (defun shr-tag-img (cont)
   (when (and (> (current-column) 0)
@@ -162,8 +212,28 @@ fit these criteria."
 		      (list (current-buffer) start (point-marker))
 		      t)))
       (insert " ")
+      (put-text-property start (point) 'keymap shr-map)
+      (put-text-property start (point) 'shr-alt alt)
+      (put-text-property start (point) 'shr-image url)
       (setq shr-state 'image))))
 
+(defun shr-show-alt-text ()
+  "Show the ALT text of the image under point."
+  (interactive)
+  (let ((text (get-text-property (point) 'shr-alt)))
+    (if (not text)
+	(message "No image under point")
+      (message "%s" text))))
+
+(defun shr-browse-image ()
+  "Browse the image under point."
+  (interactive)
+  (let ((url (get-text-property (point) 'shr-image)))
+    (if (not url)
+	(message "No image under point")
+      (message "Browsing %s..." url)
+      (browse-url url))))
+
 (defun shr-image-fetched (status buffer start end)
   (when (and (buffer-name buffer)
 	     (not (plist-get status :error)))
@@ -222,7 +292,8 @@ fit these criteria."
 (defun shr-tag-blockquote (cont)
   (shr-ensure-paragraph)
   (let ((shr-indentation (+ shr-indentation 4)))
-    (shr-generic cont)))
+    (shr-generic cont))
+  (shr-ensure-paragraph))
 
 (defun shr-ensure-newline ()
   (unless (zerop (current-column))
@@ -254,7 +325,7 @@ fit these criteria."
 	(setq first nil)
 	(when (and (bolp)
 		   (> shr-indentation 0))
-	  (insert (make-string shr-indentation ? )))
+	  (shr-indent))
 	;; The shr-start is a special variable that is used to pass
 	;; upwards the first point in the buffer where the text really
 	;; starts.
@@ -267,15 +338,20 @@ fit these criteria."
 	(insert " ")
 	(setq shr-state 'space))))))
 
+(defun shr-indent ()
+  (insert (make-string shr-indentation ? )))
+
 (defun shr-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 (or (search-forward "\n\n" nil t)
-              (search-forward "\r\n\r\n" nil t))
-      (buffer-substring (point) (point-max)))))
+    (when (ignore-errors
+	    (url-cache-extract (url-cache-create-filename url))
+	    t)
+      (when (or (search-forward "\n\n" nil t)
+		(search-forward "\r\n\r\n" nil t))
+	(buffer-substring (point) (point-max))))))
 
 (defvar shr-list-mode nil)
 
@@ -328,6 +404,140 @@ Return a string with image data."
   (apply #'shr-fontize-cont cont types)
   (shr-ensure-paragraph))
 
+(defun shr-tag-table (cont)
+  (shr-ensure-paragraph)
+  (setq cont (or (cdr (assq 'tbody cont))
+		 cont))
+  (let* ((columns (shr-column-specs cont))
+	 (suggested-widths (shr-pro-rate-columns columns))
+	 (sketch (shr-make-table cont suggested-widths))
+	 (sketch-widths (shr-table-widths sketch (length suggested-widths))))
+    (shr-insert-table (shr-make-table cont sketch-widths t) sketch-widths)))
+
+(defun shr-insert-table (table widths)
+  (shr-insert-table-ruler widths)
+  (dolist (row table)
+    (let ((start (point))
+	  (height (let ((max 0))
+		    (dolist (column row)
+		      (setq max (max max (cadr column))))
+		    max)))
+      (dotimes (i height)
+	(shr-indent)
+	(insert "|\n"))
+      (dolist (column row)
+	(goto-char start)
+	(let ((lines (split-string (nth 2 column) "\n")))
+	  (dolist (line lines)
+	    (when (> (length line) 0)
+	      (end-of-line)
+	      (insert line "|")
+	      (forward-line 1)))
+	  ;; Add blank lines at padding at the bottom of the TD,
+	  ;; possibly.
+	  (dotimes (i (- height (length lines)))
+	    (end-of-line)
+	    (insert (make-string (length (car lines)) ? ) "|")
+	    (forward-line 1)))))
+    (shr-insert-table-ruler widths)))
+
+(defun shr-insert-table-ruler (widths)
+  (shr-indent)
+  (insert "+")
+  (dotimes (i (length widths))
+    (insert (make-string (aref widths i) ?-) ?+))
+  (insert "\n"))
+
+(defun shr-table-widths (table length)
+  (let ((widths (make-vector length 0)))
+    (dolist (row table)
+      (let ((i 0))
+	(dolist (column row)
+	  (aset widths i (max (aref widths i)
+			      (car column)))
+	  (incf i))))
+    widths))
+
+(defun shr-make-table (cont widths &optional fill)
+  (let ((trs nil))
+    (dolist (row cont)
+      (when (eq (car row) 'tr)
+	(let ((i 0)
+	      (tds nil))
+	  (dolist (column (cdr row))
+	    (when (memq (car column) '(td th))
+	      (push (shr-render-td (cdr column) (aref widths i) fill)
+		    tds)
+	      (setq i (1+ i))))
+	  (push (nreverse tds) trs))))
+    (nreverse trs)))
+
+(defun shr-render-td (cont width fill)
+  (with-temp-buffer
+    (let ((shr-width width)
+	  (shr-indentation 0))
+      (shr-generic cont))
+    (while (re-search-backward "\n *$" nil t)
+      (delete-region (match-beginning 0) (match-end 0)))
+    (goto-char (point-min))
+    (let ((max 0))
+      (while (not (eobp))
+	(end-of-line)
+	(setq max (max max (current-column)))
+	(forward-line 1))
+      (when fill
+	(goto-char (point-min))
+	(while (not (eobp))
+	  (end-of-line)
+	  (when (> (- width (current-column)) 0)
+	    (insert (make-string (- width (current-column)) ? )))
+	  (forward-line 1)))
+      (list max (count-lines (point-min) (point-max)) (buffer-string)))))
+
+(defun shr-pro-rate-columns (columns)
+  (let ((total-percentage 0)
+	(widths (make-vector (length columns) 0)))
+    (dotimes (i (length columns))
+      (incf total-percentage (aref columns i)))
+    (setq total-percentage (/ 1.0 total-percentage))
+    (dotimes (i (length columns))
+      (aset widths i (max (truncate (* (aref columns i)
+				       total-percentage
+				       shr-width))
+			  10)))
+    widths))
+
+;; Return a summary of the number and shape of the TDs in the table.
+(defun shr-column-specs (cont)
+  (let ((columns (make-vector (shr-max-columns cont) 1)))
+    (dolist (row cont)
+      (when (eq (car row) 'tr)
+	(let ((i 0))
+	  (dolist (column (cdr row))
+	    (when (memq (car column) '(td th))
+	      (let ((width (cdr (assq :width (cdr column)))))
+		(when (and width
+			   (string-match "\\([0-9]+\\)%" width))
+		  (aset columns i
+			(/ (string-to-number (match-string 1 width))
+			   100.0)))))
+	    (setq i (1+ i))))))
+    columns))
+
+(defun shr-count (cont elem)
+  (let ((i 0))
+    (dolist (sub cont)
+      (when (eq (car sub) elem)
+	(setq i (1+ i))))
+    i))
+
+(defun shr-max-columns (cont)
+  (let ((max 0))
+    (dolist (row cont)
+      (when (eq (car row) 'tr)
+	(setq max (max max (shr-count (cdr row) 'td)))))
+    max))
+
 (provide 'shr)
 
 ;;; shr.el ends here
diff --git a/lisp/gnus/spam-report.el b/lisp/gnus/spam-report.el
index e73444e85c..30e0ae58f0 100644
--- a/lisp/gnus/spam-report.el
+++ b/lisp/gnus/spam-report.el
@@ -256,6 +256,7 @@ This is initialized based on `user-mail-address'."
 		 80))
 	  (error "Could not open connection to %s" host))
       (set-marker (process-mark tcp-connection) (point-min))
+      (gnus-set-process-query-on-exit-flag tcp-connection nil)
       (process-send-string
        tcp-connection
        (format "GET %s HTTP/1.1\nUser-Agent: %s\nHost: %s\n\n"
-- 
2.20.1