Remove some unnecessary references to Emacs 19

* lisp/emacs-lisp/elp.el:
* lisp/mouse-copy.el:
* lisp/mouse-drag.el:
* lisp/progmodes/simula.el (simula-mode-map):
* lisp/term.el (term-matching-input-from-input-string):
* lisp/vcursor.el: Doc fix; don't mention Emacs 19.

Remove XEmacs compat code from edebug.el

* lisp/emacs-lisp/edebug.el (edebug-window-live-p, edebug-mark):
Make obsolete.  Update callers.

Bind default-directory to the project root

* lisp/progmodes/project.el (project-find-regexp):
Bind default-directory to the project root, to save this value
in the resulting buffer (esp. if the project selector was used,
(https://lists.gnu.org/archive/html/emacs-devel/2021-02/msg00140.html).
(project-or-external-find-regexp): Same.

Tramp code cleanup

* lisp/net/tramp.el (tramp-signal-hook-function)
(tramp-handle-access-file, tramp-handle-copy-directory)
(tramp-handle-directory-files, tramp-handle-file-local-copy)
(tramp-handle-insert-file-contents, tramp-handle-load):
* lisp/net/tramp-adb.el (tramp-adb-handle-directory-files-and-attributes)
(tramp-adb-handle-make-directory)
(tramp-adb-handle-file-local-copy, tramp-adb-handle-copy-file)
(tramp-adb-handle-rename-file):
* lisp/net/tramp-crypt.el (tramp-crypt-do-copy-or-rename-file)
(tramp-crypt-handle-directory-files)
(tramp-crypt-handle-make-directory):
* lisp/net/tramp-gvfs.el (tramp-gvfs-dbus-event-error)
(tramp-gvfs-do-copy-or-rename-file)
(tramp-gvfs-handle-make-directory):
* lisp/net/tramp-rclone.el (tramp-rclone-do-copy-or-rename-file)
(tramp-rclone-handle-directory-files):
* lisp/net/tramp-sh.el (tramp-sh-handle-make-symbolic-link)
(tramp-sh-handle-directory-files-and-attributes)
(tramp-sh-handle-file-name-all-completions)
(tramp-sh-handle-copy-directory, tramp-do-copy-or-rename-file)
(tramp-sh-handle-make-directory)
(tramp-sh-handle-file-local-copy)
(tramp-sh-inotifywait-process-filter):
* lisp/net/tramp-smb.el (tramp-smb-handle-copy-directory)
(tramp-smb-handle-copy-file, tramp-smb-handle-directory-files)
(tramp-smb-handle-file-local-copy)
(tramp-smb-handle-make-directory, tramp-smb-handle-rename-file):
* lisp/net/tramp-sudoedit.el (tramp-sudoedit-do-copy-or-rename-file):
Unify error report.

* lisp/net/tramp-adb.el (tramp-adb-file-name-handler): Sync args
with other `tramp-*-file-name-handler'.

* lisp/net/tramp-compat.el (tramp-error): Declare.
(tramp-compat-file-missing): New defsubst.

* lisp/net/tramp-gvfs.el (tramp-gvfs-do-copy-or-rename-file):
Handle volatile files.
(tramp-gvfs-set-attribute): New defun.
(tramp-gvfs-handle-set-file-modes)
(tramp-gvfs-handle-set-file-times)
(tramp-gvfs-handle-set-file-uid-gid): Use it.

* lisp/net/tramp-sh.el (tramp-do-copy-or-rename-file):
Use `msg-operation'.

* lisp/net/tramp-smb.el (tramp-smb-handle-insert-directory):
Remove superfluous `format:
(tramp-smb-maybe-open-connection): Simplify loop.

* lisp/net/tramp.el (tramp-handle-file-truename): Drop volume letter from
symlinked files.

* test/lisp/net/tramp-tests.el (tramp--test-gdrive-p): New defun.
(tramp--test-nextcloud-p): Remove.
(tramp-test40-special-characters-with-ls): Do not skip on MS Windows.
(tramp-test41-utf8): Skip if needed.

Merge from origin/emacs-27

7355209f53 (origin/emacs-27) * lisp/window.el (recenter-top-bottom): ...
dc78f8a4ea (emacs-27) url-http.el: Special-case NTLM authentication
85b0137858 * lisp/isearch.el (isearch-lazy-highlight): Fix defcustom ...
cbeda21083 Sync latest SKK-JISYO.L

; Merge from origin/emacs-27

The following commit was skipped:

0bc4b003d7 ; emacs-26 → emacs-27

Merge from origin/emacs-27

9c75434173 Fix build failure on macOS 10.7 (bug#46036)
ca44ea18ef Improve documentation of auto-resize-tool/tab-bars

; Merge from origin/emacs-27

The following commit was skipped:

9e45c29224 (xref-revert-buffer): Also 'erase-buffer' when handling a ...

Merge from origin/emacs-27

74a71c41e0 (tag: emacs-27.1.91) Update files for 27.1.91 pretest

# Conflicts:
# ChangeLog.3
# etc/AUTHORS
# lisp/ldefs-boot.el

; Merge from origin/emacs-27

The following commit was skipped:

86a2207d92 Bump Emacs version to 27.1.91

Make backslash characters no longer escape in `f90-mode'

* lisp/progmodes/f90.el (f90-backslash-not-special): Make obsolete
(bug#32766).
(f90-mode-syntax-table): Make the backslash be a normal
(non-escape) character, which is the default since about 2007 (and
F2K): https://gcc.gnu.org/bugzilla/show_bug.cgi?id=34203

Update lisp/progmodes/verilog-mode.el

* lisp/progmodes/verilog-mode.el: Cleanup compile-time warning
suppression.  Use underscore for unused arguments and other style
cleanups.  Use '# for function references.  By Stefan Monnier.
(verilog-auto-reset, verilog-sig-tieoff):
Fix AUTORESET '0 (#1714). Reported by Paul Adams.
(verilog-simplify-range-expression):
Fix AUTOWIRE simplifying X/Y where there is a remainder (#1712).
Reported by Joachim Lechner.
(verilog-read-sub-decls-expr):
Fix multiplication in multidimensional AUTOINST output (#1698).
Reported by alanamckee.
(verilog-at-constraint-p, verilog-at-streaming-op-p, verilog-streaming-op-re):
Add streaming operator support (#1692) (#1516),
(verilog-auto-assign-modport, verilog-auto-inout-modport):
Support adding prefix to AUTOASSIGNMODPORT and AUTOINOUTMODPORT (#1690).
(verilog-signals-matching-dir-re):
Fix error when matching regexp with 2D packed memory.
Reported by Chris DeMarco.
(verilog-declaration-core-re): Allow parameter
declaration statements to align like any other declaration (#1683).
Suggested by Vinam Arora.
(verilog-auto-inout, verilog-auto-inout-in)
(verilog-auto-inout-module, verilog-auto-input, verilog-auto-inst)
(verilog-auto-inst-param, verilog-auto-output-every)
(verilog-signals-matching-regexp)
(verilog-signals-not-matching-regexp):
When "?!" is at the front of a signal-matching regexp, invert it.
(verilog-declaration-varname-matcher)
(verilog-highlight-max-lookahead, verilog-mode)
(verilog-single-declaration-end) (verilog-font-lock-keywords-1):
Improve syntax highlighting in declaration statements, and support
multi-line declarations, #1681.  Reported by Vinam Arora.

CC Mode: Prevent "const" inside an identifier being recognized as the keyword

This fixes bug #45560.

* lisp/progmodes/cc-engine.el (c-forward-declarator)
(c-forward-decl-or-cast-1): Amend certain regexp match numbers on account of
the change below.  Surround some looking-at calls with save-match-data.

* lisp/progmodes/cc-langs.el (c-type-decl-prefix-keywords-key): New lang
const.
(c-type-decl-prefix-key): Reformulate to match operators and keywords
separately, using the new lang const (above).

* lisp/gnus/gnus-art.el: Fix misuse of `standard-value`.

* lisp/custom.el (custom--standard-value): New function.

* lisp/gnus/gnus-art.el: (gnus-article-browse-html-parts)
(gnus-article-browse-html-article):
* lisp/dired-aux.el (dired-do-find-regexp-and-replace):
* lisp/emacs-lisp/package-x.el (package-upload-buffer-internal):
* lisp/startup.el (command-line): Use it.

* lisp/gnus/gnus-group.el: Fix a regression due to lexical scoping

(gnus-group-highlight): Improve docstring.
(gnus-group-update-eval-form): Add `group` and `method` to the vars
provided to `eval`.

* lisp/window.el (recenter-top-bottom): Clarify doc string.

Handle errors in `comint-strip-ctrl-m' in some cases

* lisp/comint.el (comint-strip-ctrl-m): Don't signal errors when
used noninteractively (bug#33115).

* lisp/emacs-lisp/lisp-mode.el (lisp-mode): Also set `comment-end-skip`

Fix |# fontification in lisp-mode

* lisp/emacs-lisp/lisp-mode.el (lisp-mode): Give the |# the
correct (font-lock-comment-delimited-face) face (bug#39820).

Copyright-paperwork-exempt: yes

Have `dired-mode' refer to Customize instead of listing some variables

* lisp/dired.el (dired-mode): Punt to Customize instead of listing
some of the dired variables (bug#46239).

Prefer defvar-local in remaining libraries

* lisp/align.el (align-mode-rules-list)
(align-mode-exclude-rules-list):
* lisp/bookmark.el (bookmark-current-bookmark)
(bookmark-annotation-name)
(bookmark--annotation-from-bookmark-list):
* lisp/calc/calc-embed.el (calc-embedded-all-active)
(calc-embedded-some-active):
* lisp/comint.el (comint-password-function):
* lisp/completion.el (completion-syntax-table):
* lisp/dframe.el (dframe-track-mouse-function)
(dframe-help-echo-function, dframe-mouse-click-function)
(dframe-mouse-position-function, dframe-timer)
(dframe-attached-frame, dframe-controlled):
* lisp/ehelp.el (electric-help-orig-major-mode):
* lisp/eshell/esh-util.el (eshell-path-env):
* lisp/expand.el (expand-pos, expand-index, expand-point):
* lisp/face-remap.el (text-scale-mode-remapping)
(text-scale-mode-lighter, text-scale-mode-amount)
(text-scale-remap-header-line, buffer-face-mode-remapping):
* lisp/ffap.el (ffap-menu-alist):
* lisp/files-x.el (connection-local-variables-alist):
* lisp/foldout.el (foldout-fold-list, foldout-mode-line-string):
* lisp/follow.el (follow-start-end-invalid):
* lisp/forms.el (forms--mode-setup):
* lisp/gnus/message.el (message-cross-post-old-target)
(message-options):
* lisp/help-mode.el (help-xref-stack, help-xref-forward-stack)
(help-xref-stack-item, help-xref-stack-forward-item):
* lisp/hexl.el (hexl-mode--old-var-vals, hexl-ascii-overlay):
* lisp/hilit-chg.el (hilit-chg-string):
* lisp/ido.el (ido-eoinput):
* lisp/imenu.el (imenu-generic-expression)
(imenu-create-index-function, imenu-default-goto-function)
(imenu-prev-index-position-function)
(imenu-extract-index-name-function, imenu-name-lookup-function)
(imenu-syntax-alist, imenu-case-fold-search):
* lisp/jka-compr.el (jka-compr-really-do-compress):
* lisp/language/ethio-util.el (ethio-prefer-ascii-space):
* lisp/leim/quail/hangul.el (hangul-input-method-help-text):
* lisp/leim/quail/japanese.el (quail-japanese-package-saved):
* lisp/linum.el (linum-overlays, linum-available):
* lisp/man.el (Man-original-frame, Man-arguments, Man--sections)
(Man--refpages, Man-page-list, Man-current-page)
(Man-page-mode-string):
* lisp/pcomplete.el (pcomplete-current-completions)
(pcomplete-last-completion-length)
(pcomplete-last-completion-stub, pcomplete-last-completion-raw)
(pcomplete-last-window-config, pcomplete-window-restore-timer):
* lisp/reveal.el (reveal-open-spots, reveal-last-tick):
* lisp/ruler-mode.el (ruler-mode):
* lisp/scroll-lock.el (scroll-lock-preserve-screen-pos-save):
* lisp/server.el (server-buffer-clients, server-existing-buffer):
* lisp/tab-line.el (tab-line-exclude):
* lisp/tar-mode.el (tar-data-buffer, tar-data-swapped):
* lisp/thumbs.el (thumbs-current-tmp-filename)
(thumbs-current-image-filename, thumbs-extra-images)
(thumbs-image-num, thumbs-buffer, thumbs-marked-list):
* lisp/tutorial.el (tutorial--point-before-chkeys)
(tutorial--point-after-chkeys, tutorial--lang):
* lisp/url/url-vars.el (url-current-object)
(url-current-mime-headers, url-current-lastloc):
* lisp/view.el (view-mode, view-old-buffer-read-only)
(view-old-Helper-return-blurb, view-page-size)
(view-half-page-size, view-last-regexp, view-return-to-alist)
(view-exit-action, view-overlay):
* lisp/wid-edit.el (widget-global-map, widget-field-new)
(widget-field-list, widget-field-last, widget-field-was):
* lisp/woman.el (woman-imenu-done): Prefer defvar-local.

Remove redundant :group args in play/*.el

* lisp/play/bubbles.el:
* lisp/play/cookie1.el:
* lisp/play/decipher.el:
* lisp/play/dunnet.el:
* lisp/play/gametree.el:
* lisp/play/gomoku.el:
* lisp/play/hanoi.el: Remove redundant :group args.

; Move obsolete version variables further down

* lisp/dframe.el:
* lisp/speedbar.el: Move obsolete variables from the top of the file
to the bottom, where they don't obscure the license information.

Bind 'revert-buffer' to 'C-x g' globally

* lisp/bindings.el: Bind 'revert-buffer' to 'C-x g' globally.
* doc/emacs/files.texi: Replace 'M-x revert-buffer' with 'C-x g'.
* etc/NEWS: Document the change (bug#46151).

Fix up invalid_syntax error signalling

* src/lread.c (invalid_syntax_lisp): Instead of putting the
line/column in a string, signal an error containing the numbers as
data.  This allows for easier post-processing and is how other
similar errors (like (forward-sexp 1)) do it.

ruby-syntax-propertize: Fix certain cases following ::

* lisp/progmodes/ruby-mode.el (ruby-syntax-propertize):
Make sure to backtrack if the "symbols with special characters"
rule is aborted because of preceding colon.

Make syntax errors say the line/column they appear at

* src/lisp.h: Add count_lines prototype.
* src/lread.c (invalid_syntax_lisp): New function (bug#36970).
(invalid_syntax): Extend function to take a readcharfun parameter.
(read_emacs_mule_char, character_name_to_code): Pass in.
(read_escape, invalid_radix_integer, read1): Ditto.

* src/xdisp.c (count_lines): Add a more succinct shim over
display_count_lines.

; Auto-commit of loaddefs files.

* test/src/minibuf-tests.el (test-inhibit-interaction): Fix test.

Remove another variable obsolete since Emacs 23.2

* src/keymap.c (syms_of_keymap, Fdefine_key):
* lisp/subr.el (define-key-rebound-commands): Remove variable obsolete
since Emacs 23.2.

* lisp/hi-lock.el (hi-lock-mode): Doc fix; don't mention Emacs 21.

Make XEmacs compat alias obsolete in allout-widgets.el

* lisp/allout-widgets.el (allout-frame-property): Redefine compat
alias as obsolete function alias for 'frame-parameter'.
(allout-fetch-icon-image): Update caller.

Redefine two functions as regular defuns

* lisp/dframe.el (dframe-popup-kludge, dframe-mouse-event-p):
Redefine as regular defun.

Make two eshell aliases obsolete

* lisp/eshell/esh-util.el (eshell-user-name): Redefine as obsolete
function alias for 'user-login-name'.
(eshell-copy-tree): Redefine as obsolete function alias for
'copy-tree'.
* lisp/eshell/esh-cmd.el (eshell-do-eval): Don't use above
obsolete alias.

Add cross-references to defvar-local

* src/data.c (Fmake_variable_buffer_local):
* src/eval.c (Fdefvar): Add cross-references to 'defvar-local'.

Fix indentation of non-comment HTML with -- in it

* lisp/textmodes/sgml-mode.el (sgml-comment-indent-new-line): Only
indent as if we're in a comment if syntax-ppss says that we're in
a comment (bug#36227).

* lisp/eshell/em-cmpl.el (eshell--complete-commands-list): Fix last fix

Complete `*firef` to `*firefox` rather than to `firefox`.

* lisp/eshell/em-cmpl.el: Try and fix bug#41423

(eshell--complete-commands-list): Rename from `eshell-complete-commands-list`.
Return a (dynamic) completion table rather than a list of completions.
Use `dolist` and `push`.

url-http.el: Special-case NTLM authentication

* lisp/url/url-http.el (url-http-handle-authentication): Do not
signal an error on NTLM authorization strings.  (Bug#43566)

* admin/*.el: Use lexical-binding

* admin/admin.el: Use lexical-binding.
(manual-misc-manuals): Pass a limit to `looking-back`.
(reminder-for-release-blocking-bugs): Don't use `_` for a real variable.

* admin/authors.el: Use lexical-binding.
(authors-disambiguate-file-name): Remove unused var `parent`.

* admin/cus-test.el:
* admin/find-gc.el:
* admin/gitmerge.el: Use lexical-binding.

Merge remote-tracking branch 'origin/scratch/lexical-gnus' into trunk

* lisp/gnus/gnus-group.el: Defvar all the `gnus-tmp-*` vars

These were collected via

    sed -n -e 's/.*\(gnus-tmp-[^     ()]*\).*/(defvar \1)/p' \
        lisp/gnus/gnus-group.el

* lisp/isearch.el (isearch-lazy-highlight): Fix defcustom type (bug#46208)

; * lisp/double.el: Delete cruft dating back to 1994.

Prefer defvar-local in preloaded files

* lisp/abbrev.el:
* lisp/bindings.el (mode-line-mule-info, mode-line-modified)
(mode-line-remote, mode-line-process)
(mode-line-buffer-identification):
* lisp/buff-menu.el (Buffer-menu-files-only):
* lisp/files.el (buffer-file-number, buffer-file-read-only)
(local-write-file-hooks, write-contents-functions)
(file-local-variables-alist, dir-local-variables-alist)
(save-buffer-coding-system, buffer-save-without-query):
* lisp/font-core.el (font-lock-defaults):
* lisp/font-lock.el (font-lock-keywords-case-fold-search)
(font-lock-syntactically-fontified)
(font-lock-extend-after-change-region-function)
(font-lock-extend-region-functions, font-lock-major-mode):
* lisp/menu-bar.el (list-buffers-directory):
* lisp/simple.el (next-error--message-highlight-overlay)
(next-error-buffer, next-error-function)
(next-error-move-function, goto-line-history)
(minibuffer-default-add-done, undo-extra-outer-limit):
* lisp/tab-bar.el (tab-switcher-column):
* lisp/term/ns-win.el (ns-select-overlay):
* lisp/window.el (window-size-fixed, window-area-factor)
(window-group-start-function, window-group-end-function)
(set-window-group-start-function)
(recenter-window-group-function)
(pos-visible-in-window-group-p-function)
(selected-window-group-function)
(move-to-window-group-line-function): Prefer defvar-local.

Prefer defvar-local in mail/*.el

* lisp/mail/emacsbug.el (report-emacs-bug-send-command)
(report-emacs-bug-send-hook):
* lisp/mail/reporter.el (reporter-initial-text):
* lisp/mail/supercite.el (sc-mail-info, sc-attributions):
* lisp/mail/rmail.el (rmail-buffer-swapped, rmail-view-buffer):
Prefer defvar-local.

Prefer defvar-local in progmodes/*.el

This skips libraries that might want compatibility with Emacs 24.2.

* lisp/progmodes/compile.el (compilation-auto-jump-to-next)
(compilation--previous-directory-cache, compilation--parsed)
(compilation-gcpro):
* lisp/progmodes/cpp.el (cpp-overlay-list, cpp-edit-buffer)
(cpp-parse-symbols, cpp-edit-symbols):
* lisp/progmodes/ebnf2ps.el (ebnf-eps-upper-x, ebnf-eps-upper-y)
(ebnf-eps-prod-width, ebnf-eps-max-height, ebnf-eps-max-width):
* lisp/progmodes/f90.el (f90-cache-position):
* lisp/progmodes/gud.el (gud-marker-acc):
* lisp/progmodes/js.el (js--quick-match-re)
(js--quick-match-re-func, js--cache-end, js--last-parse-pos)
(js--state-at-last-parse-pos, js--tmp-location):
* lisp/progmodes/octave.el (inferior-octave-directory-tracker-resync):
* lisp/progmodes/sh-script.el (sh-header-marker): Prefer defvar-local.

Prefer defvar-local in textmodes/*.el

This skips libraries that might want compatibility with Emacs 24.2.

* lisp/textmodes/artist.el (artist-curr-go)
(artist-line-char-set, artist-line-char, artist-fill-char-set)
(artist-fill-char, artist-erase-char, artist-default-fill-char)
(artist-draw-region-min-y, artist-draw-region-max-y)
(artist-borderless-shapes):
* lisp/textmodes/css-mode.el (css--at-ids, css--bang-ids)
(css--nested-selectors-allowed):
* lisp/textmodes/enriched.el (enriched-old-bindings):
* lisp/textmodes/flyspell.el (flyspell-generic-check-word-predicate)
(flyspell-consider-dash-as-word-delimiter-flag)
(flyspell-dash-dictionary, flyspell-dash-local-dictionary)
(flyspell-word-cache-start, flyspell-word-cache-end)
(flyspell-word-cache-word, flyspell-word-cache-result)
(flyspell-changes, flyspell-auto-correct-pos)
(flyspell-auto-correct-region, flyspell-auto-correct-ring)
(flyspell-auto-correct-word):
* lisp/textmodes/ispell.el (ispell-local-dictionary-overridden)
(ispell-local-pdict, ispell-buffer-session-localwords):
* lisp/textmodes/refill.el (refill-ignorable-overlay)
(refill-doit):
* lisp/textmodes/sgml-mode.el (html--buffer-classes-cache)
(html--buffer-ids-cache):
* lisp/textmodes/table.el (table-mode-indicator):
* lisp/textmodes/tex-mode.el (tex-send-command-modified-tick):
* lisp/textmodes/two-column.el (2C-autoscroll-start, 2C-mode):
Prefer defvar-local.

Prefer defvar-local in cedet

* lisp/cedet/ede.el (ede-object-root-project)
(ede-object-project, ede-object):
* lisp/cedet/mode-local.el (mode-local-symbol-table):
* lisp/cedet/semantic.el (semantic--parse-table)
(semantic-symbol->name-assoc-list)
(semantic-symbol->name-assoc-list-for-type-parts)
(semantic-case-fold, semantic--buffer-cache)
(semantic-unmatched-syntax-cache)
(semantic-unmatched-syntax-cache-check, semantic-parser-name)
(semantic--completion-cache, semantic-parse-tree-state)
(semantic-init-mode-hook, semantic-parser-warnings):
* lisp/cedet/semantic/bovine.el
(semantic-bovinate-nonterminal-check-obarray):
* lisp/cedet/semantic/complete.el (semantic-collector-per-buffer-list):
* lisp/cedet/semantic/ctxt.el (semantic-command-separation-character)
(semantic-function-argument-separation-character):
* lisp/cedet/semantic/db-find.el (semanticdb-find-lost-includes)
(semanticdb-find-scanned-include-tags):
* lisp/cedet/semantic/db.el (semanticdb-new-database-class)
(semanticdb-default-find-index-class)
(semanticdb-current-database, semanticdb-current-table)
(semanticdb-project-system-databases)
(semanticdb-out-of-buffer-create-table-fcn):
* lisp/cedet/semantic/debug.el (semantic-debug-parser-source)
(semantic-debug-parser-class)
(semantic-debug-parser-debugger-source):
* lisp/cedet/semantic/dep.el (semantic-dependency-include-path)
(semantic-dependency-system-include-path):
* lisp/cedet/semantic/format.el (semantic-function-argument-separator)
(semantic-format-parent-separator):
* lisp/cedet/semantic/fw.el (semantic-new-buffer-fcn-was-run):
* lisp/cedet/semantic/grammar.el (semantic-grammar-macros)
(semantic--grammar-macros-regexp-1)
(semantic--grammar-macros-regexp-2):
* lisp/cedet/semantic/idle.el (semantic-idle-scheduler-mode):
* lisp/cedet/semantic/imenu.el (semantic-imenu-expandable-tag-classes):
* lisp/cedet/semantic/lex-spp.el
(semantic-lex-spp-macro-symbol-obarray)
(semantic-lex-spp-project-macro-symbol-obarray)
(semantic-lex-spp-dynamic-macro-symbol-obarray)
(semantic-lex-spp-dynamic-macro-symbol-obarray-stack):
* lisp/cedet/semantic/lex.el (semantic-flex-keywords-obarray)
(semantic-lex-types-obarray, semantic-lex-analyzer)
(semantic-lex-syntax-modifications, semantic-lex-syntax-table)
(semantic-lex-comment-regex, semantic-lex-number-expression)
(semantic-lex-depth, semantic-flex-extensions)
(semantic-flex-syntax-modifications, semantic-ignore-comments)
(semantic-flex-enable-newlines, semantic-flex-enable-whitespace)
(semantic-flex-enable-bol, semantic-number-expression)
(semantic-flex-depth):
* lisp/cedet/semantic/senator.el (senator-isearch-semantic-mode):
* lisp/cedet/semantic/sort.el
(semantic-orphaned-member-metaparent-type):
* lisp/cedet/semantic/tag.el (semantic-tag-expand-function):
* lisp/cedet/semantic/util-modes.el (semantic-show-parser-state-string)
(semantic-stickyfunc-sticky-classes)
(semantic-highlight-func-ct-overlay):
* lisp/cedet/semantic/util.el
(semantic-type-relation-separator-character)
(semantic-equivalent-major-modes):
* lisp/cedet/semantic/wisent.el (wisent-error-function)
(wisent-lexer-function): Prefer defvar-local.

Prefer defvar-local in net/*.el

* lisp/net/browse-url.el (browse-url-temp-file-name):
* lisp/net/rcirc.el (rcirc-ignore-buffer-activity-flag)
(rcirc-low-priority-flag, rcirc-parent-buffer)
(rcirc-activity-types, rcirc-last-sender):
* lisp/net/soap-inspect.el (soap-inspect-previous-items)
(soap-inspect-current-item):
* lisp/net/telnet.el (telnet-remote-echoes)
(telnet-interrupt-string, telnet-count): Prefer defvar-local.

Prefer defvar-local in vc/*.el

* lisp/vc/ediff-diff.el (ediff-whitespace, ediff-word-1)
(ediff-word-2, ediff-word-3, ediff-word-4):
* lisp/vc/ediff-init.el (ediff-defvar-local):
* lisp/vc/smerge-mode.el (smerge-check-cache):
* lisp/vc/vc-bzr.el (vc-bzr-annotation-table):
* lisp/vc/vc-dispatcher.el (vc-mode-line-hook): Prefer defvar-local.

* etc/MACHINES: Document that we support AArch64 with macOS.

Minimise the time Vminibuffer_list is in an inconsistent state (src/minibuf.c)

src/minibuf.c (get_minibuffer): Move the XSETCAR which writes the new
minibuffer into Vminibuffer_list to immediately after the MB's creation, so
that the list is in a consistent state before calling fundamental-mode or
minibuffer-inactive-mode.

Prefer defvar-local in international/*.el

* lisp/international/mule-cmds.el (current-input-method)
(current-input-method-title, current-transient-input-method)
(previous-transient-input-method, input-method-history)
(deactivate-current-input-method-function)
(describe-current-input-method-function):
* lisp/international/mule.el (buffer-file-coding-system-explicit):
* lisp/international/quail.el (quail-current-package)
(quail-guidance-str, quail-overlay, quail-conv-overlay)
(quail-current-key, quail-current-str)
(quail-current-translations, quail-current-data):
* lisp/international/robin.el (robin-mode)
(robin-current-package-name): Prefer defvar-local in
international/*.el.

Prefer defvar-local in nxml/*.el

* lisp/nxml/rng-cmpct.el (rng-c-current-token)
(rng-c-escape-positions, rng-c-file-name):
* lisp/nxml/rng-pttrn.el (rng-current-schema):
* lisp/nxml/rng-valid.el (rng-validate-timer)
(rng-validate-quick-timer, rng-error-count, rng-message-overlay)
(rng-message-overlay-inhibit-point, rng-message-overlay-current)
(rng-validate-up-to-date-end, rng-conditional-up-to-date-start)
(rng-conditional-up-to-date-end, rng-dtd): Prefer defvar-local.

Prefer defvar-local in emacs-lisp/*.el

* lisp/emacs-lisp/chart.el (chart-local-object):
* lisp/emacs-lisp/easy-mmode.el (define-minor-mode)
(define-globalized-minor-mode):
* lisp/emacs-lisp/edebug.el:
* lisp/emacs-lisp/generic.el (generic-font-lock-keywords):
* lisp/emacs-lisp/re-builder.el (reb-regexp, reb-regexp-src)
(reb-overlays):
* lisp/emacs-lisp/syntax.el
(syntax-propertize-extend-region-functions): Prefer defvar-local.

Prefer defvar-local in allout

* lisp/allout.el (allout-just-did-undo, allout-mode)
(allout-layout, allout-regexp, allout-bullets-string)
(allout-bullets-string-len, allout-depth-specific-regexp)
(allout-depth-one-regexp, allout-line-boundary-regexp)
(allout-bob-regexp, allout-header-subtraction)
(allout-plain-bullets-string-len, allout-mode-prior-settings)
(allout-outside-normal-auto-fill-function)
(allout-encryption-plaintext-sanitization-regexps)
(allout-encryption-ciphertext-rejection-regexps)
(allout-explicitly-deactivated, allout-recent-prefix-beginning)
(allout-recent-prefix-end, allout-recent-depth)
(allout-recent-end-of-subtree, allout-post-goto-bullet)
(allout-command-counter, allout-this-command-hid-text):
* lisp/allout-widgets.el (allout-widgets-mode)
(allout-widgets-tally, allout-widgets-mode-inhibit)
(allout-inhibit-body-modification-hook)
(allout-widgets-changes-record)
(allout-widgets-undo-exposure-record)
(allout-escaped-prefix-regexp, allout-item-icon-keymap)
(allout-item-body-keymap, allout-cue-span-keymap)
(allout-widgets-last-decoration-timing)
(allout-container-item-widget): Prefer defvar-local.

Prefer defvar-local in cua

* lisp/emulation/cua-base.el (cua-inhibit-cua-keys)
(cua--status-string):
* lisp/emulation/cua-rect.el (cua--rectangle)
(cua--rectangle-overlays): Prefer defvar-local.

Obsolete viper-deflocalvar for defvar-local

* lisp/emulation/viper-init.el (viper-deflocalvar): Make obsolete.
Use defvar-local.

* lisp/emulation/viper-cmd.el (viper--undo-change-group-handle):
* lisp/emulation/viper-init.el (viper-vi-intercept-minor-mode)
(viper-vi-basic-minor-mode, viper-vi-local-user-minor-mode)
(viper-vi-global-user-minor-mode)
(viper-vi-state-modifier-minor-mode)
(viper-vi-diehard-minor-mode, viper-vi-kbd-minor-mode)
(viper-insert-intercept-minor-mode)
(viper-insert-basic-minor-mode)
(viper-insert-local-user-minor-mode)
(viper-insert-global-user-minor-mode)
(viper-insert-state-modifier-minor-mode)
(viper-insert-diehard-minor-mode, viper-insert-kbd-minor-mode)
(viper-replace-minor-mode, viper-emacs-intercept-minor-mode)
(viper-emacs-local-user-minor-mode)
(viper-emacs-global-user-minor-mode, viper-emacs-kbd-minor-mode)
(viper-emacs-state-modifier-minor-mode)
(viper-vi-minibuffer-minor-mode)
(viper-insert-minibuffer-minor-mode)
(viper-automatic-iso-accents, viper-special-input-method)
(viper-intermediate-command, viper-began-as-replace)
(viper-replace-overlay, viper-last-posn-in-replace-region)
(viper-last-posn-while-in-insert-state)
(viper-sitting-in-replace, viper-replace-chars-to-delete)
(viper-replace-region-chars-deleted, viper-current-state)
(viper-cted, viper-current-indent, viper-preserve-indent)
(viper-auto-indent, viper-electric-mode, viper-insert-point)
(viper-pre-command-point, viper-com-point)
(viper-ex-style-motion, viper-ex-style-editing)
(viper-ESC-moves-cursor-back, viper-delete-backwards-in-replace)
(viper-related-files-and-buffers-ring)
(viper-local-search-start-marker, viper-search-overlay)
(viper-last-jump, viper-last-jump-ignore)
(viper-minibuffer-current-face, viper-minibuffer-overlay):
* lisp/emulation/viper-keym.el (viper-vi-local-user-map)
(viper-insert-local-user-map, viper-emacs-local-user-map)
(viper--key-maps, viper-need-new-vi-local-map)
(viper-need-new-insert-local-map)
(viper-need-new-emacs-local-map):
* lisp/emulation/viper-mous.el (viper-mouse-click-search-noerror)
(viper-mouse-click-search-limit):
* lisp/emulation/viper-util.el (viper-non-word-characters)
(viper-ALPHA-char-class):
* lisp/emulation/viper.el: Use defvar-local instead of now obsolete
macro viper-deflocalvar.

Don't attempt to display input method guidance in expired minibuffers

This caused infinite waits in circumstances involving setting an input method
in a global minor mode.  This commit fixes bug #45792.

* lisp/international/quail.el (quail-show-guidance): Test the major mode is
not minibuffer-inactive-mode before proceding with the function.

execute-kbd-macro doc string clarification

* src/macros.c (Fexecute_kbd_macro): Mention that the buffer is
(potentially) changed (bug#37396).

Make operating-system-release obsolete

* lisp/subr.el (operating-system-release): Make obsolete
(bug#39940).  There are no in-tree usages any more, and the data
doesn't seem all that interesting on its own.

Doc string improvements around `default-korean-keyboard'

* lisp/language/korea-util.el (default-korean-keyboard): Mention
"Hangul" here for easier discoverability.
(toggle-korean-input-method, quail-hangul-switch-symbol-ksc)
(quail-hangul-switch-hanja): Mention the variable.

Revert "Improve fontifying of #| ... |# in `lisp-mode'"

This reverts commit 1275dc4711af77c9c223063dcd149d782d497463.

Setting comment-end isn't the correct thing to do -- it makes M-; insert that string.

; Fix my previous commit

* lisp/play/5x5.el (5x5-solver-output): Prefer defvar-local.
* lisp/play/gamegrid.el (gamegrid-display-table): Provide default
value.

Prefer defvar-local in play/*.el

* lisp/play/5x5.el
(5x5-grid, 5x5-x-pos, 5x5-y-pos, 5x5-moves, 5x5-cracking):
* lisp/play/decipher.el (decipher-alphabet)
(decipher-stats-buffer, decipher-undo-list-size)
(decipher-undo-list):
* lisp/play/gamegrid.el (gamegrid-use-glyphs)
(gamegrid-use-color, gamegrid-font, gamegrid-face)
(gamegrid-display-options, gamegrid-buffer-width)
(gamegrid-buffer-height, gamegrid-blank, gamegrid-timer)
(gamegrid-display-mode, gamegrid-display-table)
(gamegrid-face-table, gamegrid-buffer-start)
(gamegrid-score-file-length):
* lisp/play/snake.el (snake-length, snake-velocity-x)
(snake-velocity-y, snake-positions, snake-score, snake-paused)
(snake-moved-p, snake-velocity-queue):
* lisp/play/tetris.el (tetris-shape, tetris-rot)
(tetris-next-shape, tetris-n-shapes, tetris-n-rows)
(tetris-score, tetris-pos-x, tetris-pos-y, tetris-paused):
Prefer defvar-local.

* lisp/play/5x5.el (5x5-defvar-local): Make obsolete.

Remove redundant defvar for artist-mode

* lisp/textmodes/artist.el (artist-mode): Remove redundant
defvar; it is defined by define-minor-mode.

Prefer defvar-local in erc

* lisp/erc/erc-backend.el (erc-server-current-nick)
(erc-server-process, erc-session-server, erc-session-connector)
(erc-session-port, erc-server-announced-name)
(erc-server-version, erc-server-parameters)
(erc-server-connected, erc-server-reconnect-count)
(erc-server-quitting, erc-server-reconnecting)
(erc-server-timed-out, erc-server-banned)
(erc-server-error-occurred, erc-server-lines-sent)
(erc-server-last-peers, erc-server-last-sent-time)
(erc-server-last-ping-time, erc-server-last-received-time)
(erc-server-lag, erc-server-filter-data, erc-server-duplicates)
(erc-server-processing-p, erc-server-flood-last-message)
(erc-server-flood-queue, erc-server-flood-timer)
(erc-server-ping-handler):
* lisp/erc/erc-capab.el (erc-capab-identify-activated)
(erc-capab-identify-sent):
* lisp/erc/erc-dcc.el (erc-dcc-byte-count, erc-dcc-entry-data)
(erc-dcc-file-name):
* lisp/erc/erc-ezbounce.el (erc-ezb-session-list):
* lisp/erc/erc-join.el (erc--autojoin-timer):
* lisp/erc/erc-netsplit.el (erc-netsplit-list):
* lisp/erc/erc-networks.el (erc-network):
* lisp/erc/erc-notify.el (erc-last-ison, erc-last-ison-time):
* lisp/erc/erc-ring.el (erc-input-ring, erc-input-ring-index):
* lisp/erc/erc-stamp.el (erc-timestamp-last-inserted)
(erc-timestamp-last-inserted-left)
(erc-timestamp-last-inserted-right):
* lisp/erc/erc.el (erc-session-password, erc-channel-users)
(erc-server-users, erc-channel-topic, erc-channel-modes)
(erc-insert-marker, erc-input-marker, erc-last-saved-position)
(erc-dbuf, erc-active-buffer, erc-default-recipients)
(erc-session-user-full-name, erc-channel-user-limit)
(erc-channel-key, erc-invitation, erc-channel-list)
(erc-bad-nick, erc-logged-in, erc-default-nicks)
(erc-nick-change-attempt-count, erc-send-input-line-function)
(erc-channel-new-member-names, erc-channel-banlist)
(erc-current-message-catalog): Prefer defvar-local.

Remove redundant requires of 'derived'

* lisp/net/newst-backend.el (derived):
* lisp/net/newst-plainview.el (derived):
* lisp/play/gametree.el (derived):
* lisp/textmodes/less-css-mode.el (derived): Remove redundant require;
'define-derived-mode' is autoloaded.

Sync latest SKK-JISYO.L

* leim/SKK-DIC/SKK-JISYO.L: Sync to current upstream version.

; emacs-26 → emacs-27

Recompute mode-lines when marking conflicts resolved

* lisp/vc/vc.el (vc-mark-resolved):
Recompute the mode lines of the affected files.

* lisp/gnus: Use closures now that we activated `lexical-binding`

* lisp/gnus/nnml.el (nnml-request-accept-article):
* lisp/gnus/nnmairix.el (nnmairix-request-marks):
* lisp/gnus/nnmail.el (nnmail-get-new-mail-1):
* lisp/gnus/mm-view.el (mm-inline-image)
(mm-inline-text-html-render-with-w3m, mm-inline-text)
(mm-insert-inline, mm-inline-message):
* lisp/gnus/mm-partial.el (mm-inline-partial):
* lisp/gnus/mm-archive.el (mm-archive-dissect-and-inline):
* lisp/gnus/gnus-util.el (gnus-create-info-command):
* lisp/gnus/gnus-topic.el (gnus-topic-edit-parameters)
(gnus-topic-sort-topics-1):
* lisp/gnus/gnus-sum.el (gnus-summary-edit-article):
* lisp/gnus/gnus-srvr.el (gnus-server-edit-server):
* lisp/gnus/gnus-msg.el (gnus-inews-make-draft)
(gnus-inews-add-send-actions, gnus-summary-cancel-article)
(gnus-summary-supersede-article, gnus-summary-resend-message)
(gnus-configure-posting-styles):
* lisp/gnus/gnus-kill.el (gnus-execute):
* lisp/gnus/gnus-html.el (gnus-html-wash-images):
* lisp/gnus/gnus-group.el (gnus-group-edit-group)
(gnus-group-nnimap-edit-acl):
* lisp/gnus/gnus-draft.el (gnus-draft-edit-message, gnus-draft-setup):
* lisp/gnus/gnus-art.el (gnus-article-edit-part)
(gnus-mm-display-part, gnus-article-edit):
* lisp/gnus/gnus-agent.el (gnus-category-edit-predicate)
(gnus-category-edit-score, gnus-category-edit-groups):
Use closures instead of `(lambda ...).

* lisp/gnus/nnoo.el (noo--defalias): New function.
(nnoo-import-1, nnoo-define-skeleton-1): Use it to avoid `eval`.

* lisp/gnus: Use lexical-binding in all the files

* lisp/gnus/gnus-group.el (features): Use `dlet`.
(gnus-tmp-level, gnus-tmp-marked, gnus-tmp-group): Declare vars.
(gnus-group-insert-group-line): Bind dynbound vars via `let` rather
than as formal args.  Bind `number` as dynbound.
(gnus-visual, gnus-score-find-score-files-function)
(gnus-home-score-file, gnus-apply-kill-hook)
(gnus-summary-expunge-below): Declare vars.
(gnus-group-restart, gnus-group-list-plus): Fix `interactive` spec
since the arg is unused.

* lisp/gnus/mail-source.el (mail-source-bind, mail-source-bind-common):
Use `dlet` and suppress the warnings about the non-prefixed dynbound vars.
(mail-source-set-1): Remove unused var `auth-info`.
(mail-source-call-script): Remove unused var `background`.
(mail-source-fetch-pop, mail-source-check-pop): Bind pop3 vars with `dlet`.

* lisp/gnus/gnus-int.el (mail-source-plugged, gnus-inhibit-demon):
Declare vars.
(gnus-server-opened, gnus-status-message)
(gnus-open-server, gnus-close-server, gnus-request-list)
(gnus-finish-retrieve-group-infos, gnus-retrieve-group-data-early)
(gnus-request-list-newsgroups, gnus-request-newgroups)
(gnus-request-regenerate, gnus-request-compact, gnus-request-group)
(gnus-retrieve-groups, gnus-request-post, gnus-request-expunge-group)
(gnus-request-scan, gnus-request-update-info, gnus-request-marks)
(gnus-request-accept-article, gnus-request-create-group)
(gnus-asynchronous-p, gnus-remove-denial):
Bind `gnus-command-method` via `let` rather than as formal args.

* lisp/gnus/gnus-topic.el (gnus-topic-insert-topic-line):
Pass documented vars to eval for `gnus-topic-line-format-spec`.

* lisp/gnus/message.el (message-yank-original): Use `cl-progv` rather
than `eval` to bind the vars from `message-cite-style`.

* lisp/gnus/mml.el (mml-parse-1): Use `apply` instead of `eval`.
(gnus-newsgroup-name, gnus-displaying-mime, gnus-newsgroup-name)
(gnus-article-prepare-hook, gnus-newsgroup-charset)
(gnus-original-article-buffer, gnus-message-buffer)
(message-this-is-news, message-this-is-mail): Declare vars.

* lisp/gnus/deuglify.el (gnus-outlook-rearrange-article): Remove unused
var `cite-marks`.
* lisp/gnus/gnus-art.el (ansi-color-context-region): Declare var.
(gnus-mime-display-attachment-buttons-in-header): Move declaration
before first use.
(gnus-mime-display-alternative): Remove unused var `from`.
* lisp/gnus/gnus-bookmark.el (gnus-bookmark-bmenu-list): Remove unused
var `start` `end`.
* lisp/gnus/gnus-cache.el (gnus-article-decode-hook)
(nnml-generate-active-function): Declare var.
* lisp/gnus/gnus-cite.el (gnus-message-citation-mode): Remove unused
var `keywords`.
* lisp/gnus/gnus-cloud.el (gnus-cloud-encode-data): Remove unused var
`cipher`.
(gnus-cloud-ensure-cloud-group): Remove unused var `method`.
* lisp/gnus/gnus-delay.el (gnus-delay-article): Remove unused var `days`.
* lisp/gnus/gnus-html.el (gnus-html-wash-images): Remove unused vars
`tag`, `string`, and `images`.
(gnus-html-wash-tags): Remove unused vars `string` and `images`.
* lisp/gnus/gnus-msg.el (gnus-msg-mail): Remove unused var `group-name`.
(gnus-group-mail, gnus-group-news, gnus-summary-mail-other-window)
(gnus-summary-news-other-window):
Remove unused vars `group` and `buffer`.
(gnus-configure-posting-styles): Remove unused vars `style` and `attribute`.
* lisp/gnus/gnus-picon.el (gnus-picon-find-face): Remove unused vars
`database`, `directory`, and `instance`.
(gnus-picon-transform-newsgroups): Remove unused var `point`.
* lisp/gnus/gnus-range.el (gnus-range-difference): Remove unused var `safe`.
* lisp/gnus/gnus-score.el (gnus-score-load-file): Remove unused var
`score-fn`.
* lisp/gnus/gnus-sum.el (message-options-set-recipient): Declare var.
* lisp/gnus/gnus-undo.el (gnus-undo): Fix docstring lie.
* lisp/gnus/gnus-util.el (print-string-length)
(iswitchb-make-buflist-hook): Declare vars.
(gnus-emacs-version): Remove unused var `codename`.
(gnus-rename-file): Remove unused vars `old-name` and `new-name`.
* lisp/gnus/gnus-uu.el (gnus-uu-yenc-article): Remove unused var
`start-char`.
(gnus-asynchronous): Declare var.
* lisp/gnus/mm-partial.el (gnus-displaying-mime): Declare var.
(mm-inline-partial): Remove unused var `buffer`.
* lisp/gnus/mm-view.el (w3m-force-redisplay, w3m-safe-url-regexp)
(gnus-displaying-mime, gnus-original-article-buffer)
(gnus-article-prepare-hook): Declare vars.
* lisp/gnus/mml-smime.el (mml-smime-epg-encrypt): Remove unused var
`boundary`.
(mml-smime-epg-verify): Remove unused vars `plain` and `signature-file`.
* lisp/gnus/mml1991.el (pgg-text-mode): Declare var.
* lisp/gnus/mml2015.el (pgg-text-mode): Declare var.
(mml2015-pgg-decrypt): Remove unused var `result`.
(mml2015-epg-key-image-to-string): Remove unused var `error`.
(mml2015-epg-decrypt): Remove unused var `result`.
(mml2015-epg-verify): Remove unused vars `plain` and `signature-file`.
* lisp/gnus/nnbabyl.el (nnml-current-directory): Declare var.
* lisp/gnus/nndiary.el (nndiary-files): Move declaration before first use.
* lisp/gnus/nnfolder.el (nnfolder-request-accept-article):
Remove unused var `buf`.
* lisp/gnus/nnmail.el (nnmail-parse-active): Remove unused var `err`.
* lisp/gnus/nnmairix.el (nnmairix-request-group): Remove unused var `args`.
(nnmairix-request-create-group): Remove unused var `info`.
(nnmairix-request-list): Remove unused var `folder`.
(nnmairix-request-set-mark): Remove unused var `propto`.
(nnmairix-request-set-mark): Remove unused vars `number` and `method`.
(nnmairix-close-group): Remove unused var `method`.
(nnmairix-create-search-group-from-message): Remove unused var `cq`.
(nnmairix-create-server-and-default-group): Remove unused var `create`.
(nnmairix-purge-old-groups): Remove unused var `folder`.
(nnmairix-remove-tick-mark-original-article, nnmairix-get-valid-servers):
Remove unused var `cur`.
(nnmairix-replace-group-and-numbers): Remove unused var `header`.
(nnmairix-goto-original-article): Remove unused var `rval`.
(nnmairix-widget-create-query): Remove unused var `allwidgets`.
* lisp/gnus/nnmbox.el (nnml-current-directory): Declare var.
* lisp/gnus/nnmh.el (nnmh-toplev): Move declaration before first use.
(nnmh-request-list-1): Remove unused var `rdir`.
* lisp/gnus/nnml.el (nnml-generate-nov-file): Remove unused var `file`.
* lisp/gnus/nnrss.el (nnrss-request-article): Remove unused var `post`.
(nnrss-request-article): Remove unused var `fn`.
(nnrss-check-group): Remove unused var `rdf-ns`.
* lisp/gnus/nnweb.el (nnweb-request-article): Remove unused var `active`.
(nnweb-google-parse-1): Remove unused var `Score`.
* lisp/gnus/spam-stat.el (spam-stat-error-holder): Remove var.
(spam-stat-buffer-words-with-scores): Remove unused var `word`.
(spam-stat-score-buffer): Remove unused var `spam-stat-error-holder`.
(spam-stat-split-fancy): Use `err` instead of `spam-stat-error-holder`.
* lisp/gnus/spam-wash.el (spam-wash): Remove unused var `handle`.
* lisp/gnus/spam.el (spam-copy-or-move-routine): Remove unused vars
`article` and `mark`.
(spam-register-routine): Remove unused var `article`.
(spam-log-undo-registration): Remove unused var `found`.
(spam-ifile-register-with-ifile): Remove unused var `parameters`.
(spam-check-stat): Remove unused vars `category` and `return`.
(spam-parse-list): Remove unused var `found`.
(spam-filelist-register-routine): Remove unused var `from`.

* lisp/gnus: Misc simplifications found during conversion to lexical

* lisp/gnus/nnoo.el (noo-import-1, nnoo-define-skeleton-1): Use `dolist`.
(noo-map-functions, nnoo-define-basics): Directly emit the code rather than
going through an intermediate function; this also avoids the use of `eval`.
(noo-map-functions-1, nnoo-define-basics-1): Delete functions,
folded into their corresponding macro.

* lisp/gnus/gmm-utils.el (gmm-tool-bar-from-list): Demote `eval` to
`symbol-value`.

* lisp/gnus/gnus-art.el (gnus-button-handle-describe-key): Avoid `eval`
since `kbd` is a function nowadays.
(gnus-treat-part-number): Rename from `part-number`.
(gnus-treat-total-parts): Rename from `total-parts`.
(gnus-treat-article, gnus-treat-predicate): Adjust accordingly.

* lisp/gnus/gnus-cache.el (gnus-agent-load-alist): Use `declare-function`.

* lisp/gnus/gnus-group.el (gnus-cache-active-hashtb): Use `defvar`.
(gnus-group-iterate): Make it a normal function since lexical scoping
avoids the risk of name capture anyway.
(gnus-group-delete-articles): Actually use the `oldp` arg.

* lisp/gnus/gnus-html.el (gnus-html-wash-images): Fix debug message so
it's emitted after the `url` var it prints is actually initialized.
And avoid `setq` while we're at it.

* lisp/gnus/gnus-msg.el (gnus-group-mail, gnus-group-news)
(gnus-summary-mail-other-window, gnus-summary-news-other-window):
Merge `let`s using `let*`.

* lisp/gnus/gnus-spec.el (gnus-update-format-specifications):
Tighten the scope of `buffer`, and tighten a regexp.
(gnus-parse-simple-format): Reduce code duplication.

* lisp/gnus/gnus-start.el (gnus-child-mode): Don't `defvar` it since we
never use that variable and accordingly don't define it as a minor mode.

* lisp/gnus/gnus-util.el (gnus-byte-compile): Simplify so it obeys
`gnus-use-byte-compile` not just on the first call.
(iswitchb-minibuffer-setup): Declare.

* lisp/gnus/mail-source.el (mail-source-bind-1)
(mail-source-bind-common-1): Use `mapcar`.
(mail-source-set-common-1): Use `dolist`.
(display-time-event-handler): Declare.

* lisp/gnus/mml-smime.el (mml-smime-epg-verify): Reduce code duplication.

* lisp/gnus/mml.el (mml-parse-1): Reduce code duplication.

* lisp/gnus/mml2015.el (mml2015-epg-verify): Reduce code duplication.

* lisp/gnus/nnmail.el (nnmail-get-split-group): Tighten regexp.
(nnmail-split-it): Reduce code duplication.

* lisp/gnus/nnweb.el (nnweb-request-article): Avoid `setq`.

* lisp/gnus/spam.el (BBDB): Use the `noerror` arg of `require`, and
define all the functions for BBDB regardless if the require succeeded.
(spam-exists-in-BBDB-p): Don't inline, not worth it.

Fix build failure on macOS 10.7 (bug#46036)

* src/nsfns.m (ns_set_represented_filename): Define the NSNumber in a
more compatible manner.

With minibuffer-follows-selected-frame `hybrid', preserve recursive Mbuffers

...when enable-recursive-minibuffers is non-nil, and several minibuffers are
activated from different frames.  Also set the major mode of a reused active
minibuffer to `fundamental-mode' - up till now it's been
minibuffer-inactive-mode.

* src/minibuf.c (read_minibuf): with the indicated settings of variables,
"stack up" all containing minibuffers on the mini-window of the current
frame.  Delete another, now superfluous such stacking up.
(set_minibuffer_mode): New function.
(get_minibuffer): Call the above new function (twice), in place of inline
code, ensuring active minibuffers are never left in minibuffer-inactive-mode.

* lisp/gnus: Remove redundant `:group` args

* lisp/gnus/spam-stat.el:
* lisp/gnus/spam-report.el:
* lisp/gnus/smime.el:
* lisp/gnus/nnrss.el:
* lisp/gnus/nnmairix.el:
* lisp/gnus/nnimap.el:
* lisp/gnus/nndiary.el:
* lisp/gnus/mm-url.el:
* lisp/gnus/mail-source.el:
* lisp/gnus/gnus-win.el:
* lisp/gnus/gnus-topic.el:
* lisp/gnus/gnus-sieve.el:
* lisp/gnus/gnus-search.el:
* lisp/gnus/gnus-registry.el:
* lisp/gnus/gnus-notifications.el:
* lisp/gnus/gnus-gravatar.el:
* lisp/gnus/gnus-eform.el:
* lisp/gnus/gnus-dup.el:
* lisp/gnus/gnus-diary.el:
* lisp/gnus/gnus-demon.el:
* lisp/gnus/gnus-delay.el:
* lisp/gnus/gnus-cloud.el:
* lisp/gnus/gnus-cite.el:
* lisp/gnus/gnus-bookmark.el:
* lisp/gnus/gmm-utils.el:
* lisp/gnus/deuglify.el:
* lisp/gnus/canlock.el: Remove redundant `:group` arguments

* lisp/gnus: Demote some macros and defsubsts, plus a fix

* lisp/gnus/gnus-sum.el (gnus-summary-thread-level)
(gnus-summary-article-mark): Turn macros into `defsubst`.

* lisp/gnus/mail-source.el (mail-source-bind-common): Actually use its arg.

* lisp/gnus/nntp.el (nntp-copy-to-buffer): Turn macro into a `defsubst`.
(nntp-wait-for, nntp-retrieve-data, nntp-send-command): Don't inline
those, it's not worth it.

* lisp/gnus: Use `with-current-buffer` at a few more places

* lisp/gnus/nnmbox.el (nnmbox-request-scan, nnmbox-read-mbox):
* lisp/gnus/nnmairix.el (nnmairix-create-search-group):
* lisp/gnus/nnfolder.el (nnfolder-existing-articles):
* lisp/gnus/nndraft.el (nndraft-auto-save-file-name):
* lisp/gnus/nndoc.el (nndoc-request-article):
* lisp/gnus/nnbabyl.el (nnbabyl-read-mbox):
* lisp/gnus/gnus-score.el (gnus-score-body):
* lisp/gnus/gnus-start.el (gnus-dribble-enter)
(gnus-dribble-eval-file, gnus-ask-server-for-new-groups)
(gnus-read-newsrc-file, gnus-read-descriptions-file):
* lisp/gnus/gnus-spec.el (gnus-update-format-specifications):
* lisp/gnus/gnus-draft.el (gnus-draft-edit-message):
* lisp/gnus/gnus-art.el (gnus-request-article-this-buffer)
(gnus-article-edit-exit): Use `with-current-buffer`.

Fix NS build broken by a recent change

* src/nsmenu.m (set_frame_menubar, Fns_reset_menu): Adapt to
recent changes in set_frame_menubar.  (Bug#45759)

Allow the caller to specify own face on suffix in annotation-function

* lisp/minibuffer.el (completion--insert-strings):
Don't add 'completions-annotations' face when the caller
specified own face in annotation-function.
Remove no-op code for 'unless prefix' branch.
(completion-metadata, completion-extra-properties):
Update docs of affixation-function.
Suggested by Clemens <clemera@posteo.net> (bug#45780)

* test/lisp/minibuffer-tests.el: Rename package name from
completion-tests.el to minibuffer-tests.el.
Add new test completion--insert-strings-faces.

* doc/lispref/minibuf.texi (Completion Variables)
(Programmed Completion): Update descriptions of
annotation-function and affixation-function.

; Improve defcustom :type in last change.

Reduce flicker in Isearch mode

Lazy highlighting now happens immediately when the search string is at
least as long as the value of the new custom variable
`lazy-highlight-no-delay-length`.  Also avoid updating the lazy
count in the echo area too often.
* isearch.el (lazy-highlight-no-delay-length): New defcustom.
* isearch.el (lazy-lazy-count-format): Avoid a momentarily incorrect
count when reversing search direction.
* isearch.el (isearch-lazy-highlight-new-loop): Avoid a call to
`isearch-message` that is quickly succeed by a second echo area
update, thus causing flicker.
* isearch.el (isearch-lazy-highlight-new-loop):
Start lazy highlight immediately if appropriate.
* etc/NEWS: Announce the change.
* doc/emacs/search.texi: Document `lazy-highlight-no-delay-length'.

Copyright-paperwork-exempt: yes

* lisp/gnus/gnus-msg.el: Remove empty `unwind-protect`s

(gnus-msg-mail, gnus-group-mail)
(gnus-group-news, gnus-summary-mail-other-window)
(gnus-summary-news-other-window): Remove empty `unwind-protect`.

* lisp/gnus/mm-encode.el (mm-default-file-type): New name

Rename from misleading `mm-default-file-encoding`.
(mm-default-file-encoding): Redefine as obsolete alias.

* lisp/mail/sendmail.el (mail-add-attachment):
* lisp/mh-e/mh-mime.el (mh-minibuffer-read-type):
* lisp/gnus/gnus-art.el (gnus-mime-view-part-as-type-internal):
* lisp/gnus/gnus-dired.el (gnus-dired-attach):
* lisp/gnus/mml.el (mml-generate-mime-1, mml-minibuffer-read-type)
(mml-attach-file): Use the new name.

* lisp/gnus: Quote functions with #'

To get better warnings, try and use #' to quote function names.

* lisp/gnus/canlock.el:
* lisp/gnus/deuglify.el:
* lisp/gnus/gmm-utils.el:
* lisp/gnus/gnus-agent.el:
* lisp/gnus/gnus-art.el:
* lisp/gnus/gnus-bookmark.el:
* lisp/gnus/gnus-cache.el:
* lisp/gnus/gnus-cite.el:
* lisp/gnus/gnus-cus.el:
* lisp/gnus/gnus-delay.el:
* lisp/gnus/gnus-diary.el:
* lisp/gnus/gnus-dired.el:
* lisp/gnus/gnus-draft.el:
* lisp/gnus/gnus-fun.el:
* lisp/gnus/gnus-group.el:
* lisp/gnus/gnus-html.el:
* lisp/gnus/gnus-int.el:
* lisp/gnus/gnus-kill.el:
* lisp/gnus/gnus-mlspl.el:
* lisp/gnus/gnus-msg.el:
* lisp/gnus/gnus-notifications.el:
* lisp/gnus/gnus-picon.el:
* lisp/gnus/gnus-registry.el:
* lisp/gnus/gnus-rfc1843.el:
* lisp/gnus/gnus-salt.el:
* lisp/gnus/gnus-score.el:
* lisp/gnus/gnus-search.el:
* lisp/gnus/gnus-sieve.el:
* lisp/gnus/gnus-srvr.el:
* lisp/gnus/gnus-start.el:
* lisp/gnus/gnus-topic.el:
* lisp/gnus/gnus-undo.el:
* lisp/gnus/gnus-util.el:
* lisp/gnus/gnus-uu.el:
* lisp/gnus/gnus.el:
* lisp/gnus/mail-source.el:
* lisp/gnus/message.el:
* lisp/gnus/mm-archive.el:
* lisp/gnus/mm-decode.el:
* lisp/gnus/mm-url.el:
* lisp/gnus/mm-util.el:
* lisp/gnus/mm-view.el:
* lisp/gnus/mml-sec.el:
* lisp/gnus/mml-smime.el:
* lisp/gnus/mml.el:
* lisp/gnus/nnagent.el:
* lisp/gnus/nndiary.el:
* lisp/gnus/nndoc.el:
* lisp/gnus/nndraft.el:
* lisp/gnus/nnfolder.el:
* lisp/gnus/nnheader.el:
* lisp/gnus/nnmail.el:
* lisp/gnus/nnmaildir.el:
* lisp/gnus/nnmairix.el:
* lisp/gnus/nnmh.el:
* lisp/gnus/nnml.el:
* lisp/gnus/nnrss.el:
* lisp/gnus/nnselect.el:
* lisp/gnus/nnspool.el:
* lisp/gnus/nnvirtual.el:
* lisp/gnus/nnweb.el:
* lisp/gnus/smiley.el:
* lisp/gnus/smime.el:
* lisp/gnus/spam-report.el:
* lisp/gnus/spam-stat.el:
* lisp/gnus/spam-wash.el:
* lisp/gnus/spam.el:

* lisp/gnus/gnus-art.el: Add `event` args and operate at its position.

(gnus-mime-save-part-and-strip)
(gnus-mime-delete-part, gnus-mime-save-part, gnus-mime-pipe-part)
(gnus-mime-view-part, gnus-mime-view-part-as-type)
(gnus-mime-copy-part, gnus-mime-print-part, gnus-mime-inline-part)
(gnus-mime-view-part-as-charset, gnus-mime-view-part-externally)
(gnus-mime-view-part-internally, gnus-article-press-button):
Add `event` arg and operate at its position.

* lisp/gnus: Use `declare`.

* lisp/gnus/nnoo.el (defvoo, deffoo, nnoo-declare, nnoo-import)
(nnoo-map-functions):
* lisp/gnus/nnmaildir.el (nnmaildir--with-nntp-buffer)
(nnmaildir--with-work-buffer, nnmaildir--with-nov-buffer)
(nnmaildir--with-move-buffer, nnmaildir--condcase):
* lisp/gnus/mm-decode.el (mm-with-part):
* lisp/gnus/gnus-msg.el (gnus-setup-message):
* lisp/gnus/gnus-agent.el (gnus-agent-with-fetch, gnus-agent-while-plugged):
* lisp/gnus/mail-source.el (mail-source-set-1, mail-source-value):
Use `declare`.

* lisp/gnus/gnus-util.el (gnus-define-keys): Use `declare`, and also
don't quote `keymap` if it's a variable name.
(gnus-define-keys-1): Reject the case where `keymap` is a variable name.
(gnus-eval-in-buffer-window, gnus-define-keys-safe)
(gnus-define-keymap, gnus-atomic-progn, gnus-with-output-to-file)
(gnus-parse-without-error): Use `declare`.
(gnus-atomic-progn-assign, gnus-atomic-setq): Delete macros.

* lisp/gnus/gnus-undo.el (gnus-undo-register): Drop indent and edebug spec
since they're not really appropriate for a function.

* lisp/gnus/gnus-art.el (gnus--\,@): New macro.
Use it at top-level to construct the `gnus-article-FOO` => `article-FOO`
wrapper functions.
(gnus-with-article-headers, gnus-with-article-buffer): Use `declare`.

Remove unused argument from set_frame_menubar (Bug#45759)

* src/w32menu.c (set_frame_menubar):
* src/xmenu.c (set_frame_menubar): Remove unused argument.
All callers updated.

Improve documentation of auto-resize-tool/tab-bars

* src/xdisp.c (syms_of_xdisp) <auto-resize-tool-bars>
<auto-resize-tab-bars>: Doc fix.  (Bug#46178)

Also highlight 'conflict' with the warning face

* lisp/vc/vc-git.el (vc-git-dir-printer):
Also highlight 'conflict' with the warning face, like
vc-default-dir-printer does already.

; Use American spelling in etc/NEWS.

auth-source-search doc string fix

* lisp/auth-source.el (auth-source-search): Fix example (bug#36286).

* lisp/tab-line.el (tab-line-new-tab): Use tty menus when supported.

New Rmail option 'rmail-show-message-set-modified'

* lisp/mail/rmail.el (rmail-show-message-set-modified): New
option.
(rmail-show-message-1): If 'rmail-show-message-set-modified' is
non-nil, don't reset the buffer's modified state.  (Bug#45941)

* etc/NEWS: Announce the new option.

Fix vc-hg-rename-file on file names like ~/foo/bar

* lisp/vc/vc-hg.el (vc-hg-rename-file): Use absolute file names,
because hg doesn't like getting file names like "~/foo/bar"
(bug#36932).

Fix interaction between two dired cleanup variables

* lisp/dired.el (dired-clean-up-after-deletion): Kill the buffers
if you have `dired-clean-up-buffers-too' set and
`dired-clean-confirm-killing-deleted-buffers' nil (bug#38037).

Copyright-paperwork-exempt: yes

Improve :foreground description in the manual

* doc/lispref/frames.texi (Font and Color Parameters): Make the
description less confusing (bug#38710).

Add source to sgml-empty-tags

* lisp/textmodes/sgml-mode.el (html-mode): Add "source" as an empty
tag to fix indentation when this element is present (bug#46181).