Merge from origin/emacs-25

dacde7e * etc/AUTHORS: Update the AUTHORS file
478ca5d ; fix changelog entries
2b7d006 ; make change-history-commit
851decb * lisp/dired-aux.el: Require cl-lib.  (Bug#22613)
47896c8 ; Improve commentary in insdel.c
53ca1e1 Index tilde characters in names of backup files
d97f522 Document deprecation of hi-lock-mode's 'C-x w' bindings
b55f06d ; * etc/NEWS: Use double spaces to end a sentence.
28bb214 Announce that the `C-x w' bindings are deprecated
1c98f98 Suppress GNUstep hardening
d82f24b Fix redisplay after a large insertion
85a2753 Revert "Fix gnus-group-get-new-news-this-group on group with
        closed server"
e8e3db0 ; Improve merge documentation in CONTRIBUTE
5be9989 * lib-src/make-docfile.c: Include stdarg.h.
c95ebbf Extend gpm-mouse-mode's doc string and doc to point out
        limitations.

; Merge from origin/emacs-25

The following commit was skipped:

a91b4b5 Revert "Backport: * lisp/isearch.el: Turn char-folding off by default"

Merge from origin/emacs-25

f5d6b9b Revert "Support integer image rotation and respect EXIF rotations"
afe7d1f Revert "Document EXIF image rotation"
c6f377c Document OS X LANG default
eb4a18c Set locale when run from OS X GUI
456c0a3 make-docfile cleanup for I/O, etc.
25ec995 Memory-management cleanup in make-docfile
02d925e Kevin Gallagher has new email address
4ef153b Improve doc strings of 'forward/backward-word-strictly'
3ad05a0 Describe Makefile test targets in test/README

; Merge from origin/emacs-25

The following commit was skipped:

12c50e8 Backport: * lisp/isearch.el: Turn char-folding off by default

Merge from origin/emacs-25

10b8ed2 Document EXIF image rotation
0f60049 Support integer image rotation and respect EXIF rotations
7dd45b6 Quote table names for postgres listings (sql-mode)
6bac035 * lisp/replace.el (replace-match-maybe-edit): Make arg
        `backward' optional.
ee909aa * lisp/simple.el (next-line-or-history-element): Reset
        temporary-goal-column.
0a289d3 Suppress ACL ops if configured with --disable-acl
1a9dbf5 Mention web bugs
fa55da2 Make mm-html-blocked-images default to "" again

Add fragmentation module to CSS property list

* lisp/textmodes/css-mode.el (css-property-ids): Add properties from
CSS Fragmentation Module Level 3.

; Auto-commit of ChangeLog files.

* doc/lispref/sequences.texi: Add documentation for seq-map-indexed

New function seq-map-indexed

* lisp/emacs-lisp/seq.el (seq-map-indexed): New function.
* test/lisp/emacs-lisp/seq-tests.el: Add tests for seq-map-indexed.

* lisp/gnus/mm-util.el: Remove the mm-string-as-multibyte alias.

Fix problem with wrong encoding of non-ASCII message bodies

* lisp/gnus/mml.el (mml-generate-mime-1): Disable
multibyteness before encoding the data.

Remove codepage setup code from mm-util

* lisp/gnus/mm-util.el (mm-codepage-setup): Remove.
(mm-codepage-iso-8859-list): Remove.
(mm-codepage-ibm-list, mm-setup-codepage-iso-8859)
(mm-setup-codepage-ibm): Remove.
(mm-charset-eval-alist): Remove the code pages from the
default value.

Remove compat code for older Emacsen

* lisp/gnus/gnus-art.el (gnus-button-url-regexp): Remove
XEmacs compat code.

* lisp/gnus/gnus-sync.el (gnus-sync-json-alist-p): Remove
unused compat function.
(gnus-sync-json-plist-p): Ditto.

* lisp/gnus/message.el (message-default-charset): Make obsolete.
(message-info): Remove compat code.
(message-setup-fill-variables): Remove kludge needed earlier
to not overwrite `normal-auto-fill-function'.
(message-split-line): Remove compat code.

* lisp/gnus/mm-view.el (mm-display-inline-fontify): Remove
compat code.

Remove some compat functions from gmm-utils.el

* lisp/gnus/gmm-utils.el (gmm-tool-bar-from-list): Remove
compat code.
(gmm-image-search-load-path): Remove.
(gmm-image-load-path-for-library): Remove.

Remove the gmm-lazy and nnmail-lazy compat widgets

* lisp/gnus/gmm-utils.el (gmm-lazy): Remove.

* lisp/gnus/nnmail.el (nnmail-lazy): Remove.

Clean up nnimap-request-move-article slightly

* lisp/gnus/nnheader.el (subr-x): Require.

* lisp/gnus/nnimap.el (nnimap-request-move-article): Clean up
the code slightly.

Use open-network-stream instead of open-protocol-stream

* lisp/gnus/nnimap.el: Use open-network-stream instead of
open-protocol-stream.

* lisp/gnus/nntp.el: Ditto.

* lisp/gnus/pop3.el: Ditto.

* lisp/gnus/sieve-manage.el: Ditto.

* lisp/net/network-stream.el (open-protocol-stream): Make obsolete.

Remove compat code that relies on (featurep 'mule)

* lisp/gnus/gnus-group.el (gnus-group-name-decode): Remove
compat code.

* lisp/gnus/gnus-start.el (gnus-read-descriptions-file):
Remove compat code.

* lisp/gnus/mm-bodies.el (mm-decode-body, mm-decode-string):
Remove compat code.

* lisp/gnus/mm-view.el (mm-w3m-standalone-supports-m17n-p):
Remove compat code.
(mm-w3m-standalone-supports-m17n-p): Ditto.

Remove compat functions from starttls.el

* lisp/gnus/starttls.el
(starttls-set-process-query-on-exit-flag): Remove.

Remove compat functions from smime.el

* lisp/gnus/smime.el (smime-replace-in-string): Remove.
(smime-make-temp-file): Remove.

Remove compat code from smiley

* lisp/gnus/smiley.el (smiley-style): Remove compat code.

Remove compat code from rfc2047

* lisp/gnus/rfc2047.el (rfc2047-encode-message-header): Remove
compat code.
(rfc2047-decode-string): Ditto.

Remove compat function from pop3

* lisp/gnus/pop3.el (pop3-set-process-query-on-exit-flag): Remove.

Remove compat code in Gnus backends

* lisp/gnus/nndiary.el (nndiary-error): Remove.

* lisp/gnus/nndraft.el (nndraft-request-associate-buffer): Ditto.

* lisp/gnus/nnfolder.el (nnfolder-read-folder): Ditto.

* lisp/gnus/nnheader.el (nnheader-find-file-noselect): Ditto.

* lisp/gnus/nnimap.el (nnimap-log-buffer): Remove compat code.

Remove compat code from some mml files

* lisp/gnus/mml-sec.el (mml-secure-passphrase-cache-expiry):
Remove compat code.

* lisp/gnus/mml-smime.el (mml-smime-openssl-sign-query):
Always use `mail-extract-address-components', since this isn't
time critical.
(mml-smime-get-dns-cert): Ditto.

* lisp/gnus/mml.el (mml-preview): Remove compat code.

Remove compat code and compat functions from mm-util.el

* lisp/gnus/mm-util.el (mm-mime-mule-charset-alist): Remove
compat code.
(mm-coding-system-priorities)
(mm-mule-charset-to-mime-charset, mm-charset-after)
(mm-mime-charset, mm-iso-8859-x-to-15-region): Remove compat code.
(mm-detect-coding-region): Define unconditionally.
(mm-detect-mime-charset-region): Ditto.
(mm-coding-system-to-mime-charset): It's 'mime-charset now.
(coding-system-name)
(find-file-coding-system-for-read-from-filename)
(find-operation-coding-system): Remove aliases.

Remove some compat code from mm-*.el

* lisp/gnus/mm-bodies.el (mm-decode-body): Ditto.

* lisp/gnus/mm-decode.el (mm-tmp-directory)
(mm-valid-image-format-p): Remove compat code.

* lisp/gnus/mm-url.el (mm-url-insert-file-contents): Remove
"Connection" "Close" workaround for older Emacsen.

Remove compat code and functions from message.el

* lisp/gnus/message.el (message-send-mail-function): Remove
compat code.
(message-dont-reply-to-names, message-mode)
(message-setup-fill-variables, message-fill-paragraph)
(message-remove-blank-cited-lines, message-make-from)
(message-forward-rmail-make-body, message-tool-bar-gnome)
(message-tab): Remove compat code.
(message-completion-in-region): Remove.
(message-read-from-minibuffer): Remove compat code.

Declare rfc1843 instead of autoloading

* lisp/gnus/gnus-art.el (rfc1843-decode-region): Declare
instead of autoload.

* etc/AUTHORS: Update the AUTHORS file

; fix changelog entries

; make change-history-commit

* lisp/dired-aux.el: Require cl-lib.  (Bug#22613)

Avoid signaling an error in 'dired-do-find-regexp-and-replace'

* lisp/dired-aux.el: Require cl-lib, so that 'cl-mapcan' is
autoloaded correctly.  (Bug#22613)

; Improve commentary in insdel.c

* src/insdel.c (gap_left, gap_right, make_gap_larger)
(make_gap_smaller): Improve commentary.

Index tilde characters in names of backup files

* doc/emacs/files.texi (Backup Names): Improve indexing.
(Bug#22625)

Fix network-stream-tests.el for MS-Windows

* test/lisp/net/network-stream-tests.el
(connect-to-tls-ipv6-nowait): Skip for MS-Windows builds.
(connect-to-tls-ipv4-wait): Add a 0.1 sleep-for.

Document deprecation of hi-lock-mode's 'C-x w' bindings

* doc/emacs/display.texi (Highlight Interactively): Deprecate the
"C-x w" bindings of hi-lock-mode.

* etc/NEWS: Mark the deprecation entry as documented.

Remove some Message compat functions

* lisp/gnus/message.el (message-kill-all-overlays): Define
unconditionally.
(message-window-inside-pixel-edges): Remove.
(mail-dont-reply-to): Remove.

Remove some Gnus compat code

* lisp/gnus/gnus-art.el (gnus-mime-inline-part): Remove compat code.
(gnus-mm-display-part): Ditto.

* lisp/gnus/gnus-start.el (gnus-dribble-read-file): Remove
compat code.

Sort groups before inserting them into the group buffer

* lisp/gnus/gnus-group.el (gnus-group-describe-all-groups):
Sort groups before inserting them.

Make "unseen" tracking work again in Gnus

* lisp/gnus/gnus-sum.el (gnus-update-marks): Make "unseen"
tracking work again.

Remove Gnus compat functions defined in gnus.el

* lisp/gnus/gnus.el (gnus-extent-detached-p): Remove.
(gnus-extent-start-open, gnus-character-to-event)
(gnus-assq-delete-all, gnus-add-text-properties)
(gnus-put-text-property, gnus-key-press-event-p):

Remove compat code from gnus-uu and win

* lisp/gnus/gnus-util.el (gnus-image-type-available-p): Remove
compat code.

* lisp/gnus/gnus-uu.el (gnus-uu-tmp-dir): Remove compat code.

* lisp/gnus/gnus-win.el (gnus-frames-on-display-list): Remove.

Remove several gnus-util compat functions

* lisp/gnus/gnus-util.el (gnus-set-process-query-on-exit-flag): Remove.
(gnus-read-shell-command): Remove.
(gnus-match-substitute-replacement): Remove.
(gnus-string-match-p): Remove.
(gnus-string-prefix-p): Remove.

Remove the gnus-merge alias

* lisp/gnus/gnus-util.el (gnus-merge): Remove.

Remove the gnus-union alias

* lisp/gnus/gnus-util.el (gnus-union): Remove.

Remove the gnus-delete-alist alias

* lisp/gnus/gnus-util.el (gnus-run-mode-hooks): Remove compat code.
(gnus-delete-alist): Remove.

Remove the gnus-float-time alias

* lisp/gnus/gnus-util.el (gnus-completion-styles): Remove
compat code.
(gnus-float-time): Remove.

Remove compat code from gnus-srvr, start and sum

* lisp/gnus/gnus-srvr.el (gnus-browse-foreign-server): Remove
compat code.

* lisp/gnus/gnus-start.el (gnus-check-reasonable-setup):
Remove compat code.

* lisp/gnus/gnus-sum.el (gnus-summary-display-arrow)
(gnus-summary-make-menu-bar, gnus-summary-make-tool-bar)
(gnus-recenter)
(gnus-summary-limit-strange-charsets-predicate)
(gnus-summary-show-thread): Remove compat code.

Remove compat code from gnus-spec.el

* lisp/gnus/gnus-spec.el (gnus-lrm-string-p): Remove compat code.
(gnus-balloon-face-function): Remove compat code.

Fix compat change in last check-in

* lisp/gnus/gnus-group.el
(gnus-group-name-charset-group-alist): `find-coding-system'
doesn't exist in Emacs.

Always use url-queue

* lisp/gnus/gnus-html.el (gnus-html-schedule-image-fetching):
Always use url-queue.

Remove compat functions from gnus-html.el

* lisp/gnus/gnus-html.el (gnus-html-encode-url-chars): Remove.

Remove compat code from gnus-group.el

* lisp/gnus/gnus-group.el (gnus-group-name-charset-group-alist)
(gnus-group-make-tool-bar, gnus-group-update-tool-bar): Remove compat code.

Define gnus-diary-kill-entire-line unconditionally

* lisp/gnus/gnus-diary.el (gnus-diary-kill-entire-line):
Define unconditionally.

; * etc/NEWS: Use double spaces to end a sentence.

Remove compat code from gnus-cache and gnus-bookmark

* lisp/gnus/gnus-bookmark.el (gnus-bookmark-bmenu-mode-map): Ditto.

* lisp/gnus/gnus-cache.el (gnus-cache-decoded-group-name):
Remove compat code.

Remove compat code from gnus-art.el

* lisp/gnus/gnus-art.el (gnus-article-prepare)
(gnus-mime-copy-part, gnus-output-to-file)
(gnus-article-reply-with-original)
(gnus-button-handle-apropos-variable)
(gnus-button-handle-apropos-documentation):

Remove compat code from gnus-agent.el

* lisp/gnus/gnus-agent.el (gnus-agent-make-mode-line-string):
Remove compat code.

Rewrite gmm-labels usage to use cl-labels

* lisp/gnus/gmm-utils.el (gmm-tool-bar-style): Remove compat code.
(gmm-labels): Remove.

Remove compat code from canlock.el

* lisp/gnus/canlock.el (defmacro): Remove

Remove compat code from auth-source

* lisp/gnus/auth-source.el (auth-source-read-char-choice):
Remove compat code.

Fix gnus-group.el compilation warnings about unprefixed variables

* lisp/gnus/gnus-group.el (gnus-group-update-eval-form): Avoid
compilation warnings by passing in the dynamic variables as
explicit lexical parameters to `eval'.

Fix the :tracker slot name

* lisp/gnus/registry.el (registry-lookup-secondary): The
`tracker' slot is called `tracker', not `:tracker'.

Fix compilation warnings in gnus-art.el

* lisp/gnus/gnus-art.el (rfc1843-decode-region): Autoload.
(gnus-article-hide): Avoid compilation warnings.

Fix compilation warning in gnus-score.el

* lisp/gnus/gnus-score.el (gnus-art): Require to silence byte
compiler.

Revert "Fix gnus-group-get-new-news-this-group on group with closed server"

This reverts commit 9dc77e37aa84c6df9b3ddb4609f3c09201b0580e.

This makes nnimap groups not be activated.

Announce that the `C-x w' bindings are deprecated

Fix encoding problem introduced by previous patch series

* lisp/gnus/rfc2047.el: Ditto (bug#22648).

* lisp/gnus/rfc2231.el: Fix problem created by the
mm-replace-in-string conversion.

Revert "Avoid defvarring prefix-less variables"

This reverts commit 303390bda34f98b400798d5383cf0d722e35ba19.

The defvars are needed if we're doing lexical-binding

* test/lisp/url/url-auth-tests.el (url-auth-test-digest-auth):
Make it pass.

Suppress GNUstep hardening

Fedora 23 normally hardens GNUstep applications, which causes
‘./configure --with-ns’ to break Emacs’s funky way of undumping.
Fix this by eliding the hardening options (Bug#22518).
* src/Makefile.in (LIBS_GNUSTEP): Omit options like
‘-specs=/usr/lib/rpm/redhat/redhat-hardened-ld’.
(GNU_OBJC_CFLAGS): Omit options like
‘-specs=/usr/lib/rpm/redhat/redhat-hardened-cc1’.

; * test/lisp/url/url-auth-tests.el: More whitespace.

; * test/lisp/url/url-auth-tests.el: Whitespace.

* test/lisp/url/url-auth-tests.el
(url-auth-test-digest-auth-retrieve-cache): Fix obvious typo.

; How do people add tests without, y'know, testing them?

Fix redisplay after a large insertion

* src/xdisp.c (redisplay_internal): Don't accept the results of
"optimization 3" if the cursor ends up in a partially visible
glyph row.  (Bug22637)

Revert "Fix gnus-group-get-new-news-this-group on group with closed server"

This reverts commit 9dc77e37aa84c6df9b3ddb4609f3c09201b0580e.

* lisp/gnus/nnimap.el (nnimap-change-group): Revert last
change.  (Bug#22634)

Finish up cl-defmethoding registry,el

* lisp/gnus/registry.el (initialize-instance): Use cl-defmethod.

Revert the gnus-replace-in-string change, fix arguments, reapply

; Improve merge documentation in CONTRIBUTE

* CONTRIBUTE (branches): Tell how to avoid merging of
non-backported changes.

Silence more message.el compilation warnings

* lisp/gnus/message.el (message-generate-headers): Don't use
variable values directly to get the header values, because
that breaks with lexical binding (without unprefixed defvars).

Fix various compilation warnings in message.el

* lisp/gnus/message.el (message-fix-before-sending): Use
read-multiple-choice instead of gnus-multiple-choice.
(mm-util): Require.
(rfc2047): Require.
(message-remove-blank-cited-lines): Use message instead of
gnus-message.
(message-send): Use y-or-n-p instead of gnus-y-or-n-p.

Silence compilation warning in mm-view

* lisp/gnus/mm-view.el (mm-display-inline-fontify): Silence
compilation warning.

Fix epg-related compilation warnings in mml-sec

* lisp/gnus/mml-sec.el: Fix compilation warnings from the epg
library.

rmail-dont-reply-to-names is obsolete

* lisp/gnus/nnmail.el (nnmail-fancy-expiry-target): Don't bind
the obsolete `rmail-dont-reply-to-names' variable.

Partially revert the defmethod->cl-defmethod change in registry.el

* lisp/gnus/registry.el (initialize-instance): Use defmethod,
since cl-defmethod doesn't work with :after.
(initialize-instance): Ditto, but with :before.

Avoid obsolete function in plstore

* lisp/gnus/plstore.el (plstore--insert-buffer): Use setf
instead of the obsolete epg-context-set-armor.

Use cl-defmethod in registry.el

* lisp/gnus/registry.el: Use cl-defmethod instead of the
obsolete defmethod.

Make sieve-manage require sasl

* lisp/gnus/sieve-manage.el: Fix compilation warning by
requiring sasl.

Avoid defvarring prefix-less variable

* lisp/gnus/mm-uu.el (mm-uu-entry): Rename from `entry'.

* lisp/gnus/mailcap.el: Remove usage of mailcap-delete-duplicates.

Don't use the obsolete char-valid-p function

* lisp/gnus/mm-url.el (mm-url-decode-entities): Don't use the
obsolete char-valid-p function.

Fix missed translation in a previous commit

* lisp/gnus/mailcap.el (mailcap-mime-types): Fix missed
translation of mailcap-delete-duplicates.

Avoid using mm-make-temp-file

* lisp/gnus/mail-source.el (mail-source-delete-crash-box): Ditto.

* lisp/gnus/mm-decode.el (mm-display-external): Ditto.

* lisp/gnus/mml-smime.el (mml-smime-openssl-encrypt): Ditto.

Fix compilation warning in gnus-start

* lisp/gnus/gnus-start.el (gnus-slave-save-newsrc): Avoid
mm-make-temp-file.

Avoid the obsoleted defmethod

* lisp/gnus/gnus-icalendar.el: Use cl-defmethod instead of
defmethod.

Avoid defvarring prefix-less variables

* lisp/gnus/gnus-group.el (gnus-group-update-eval-form): We
don't need to `defvar' the short variables to allow `eval' to
use them.

nnweb doesn't need unibyte buffers

* lisp/gnus/nnweb.el (nnweb-retrieve-headers)
(nnweb-read-overview, nnweb-request-article)
(nnweb-google-reference): Unibyte buffers are not needed here.

Encode before sending from nnspool

* lisp/gnus/nnspool.el (nnspool-request-post): Encode data
before sending it to the news server.