* lisp/emacs-lisp/seq.el (seq-uniq): Add autoload cookie.
* lisp/pcomplete.el: (pcomplete-uniquify-list): Use seq-uniq.
* lisp/eshell/esh-util.el (eshell-uniqify-list)
(eshell-uniquify-list):
* lisp/nxml/rng-util.el (rng-uniquify-equal):
* lisp/progmodes/idlwave.el (idlwave-uniquify):
* lisp/textmodes/artist.el (artist-uniq): Make into obsolete
function aliases for seq-uniq.  Update callers.
* lisp/nxml/rng-util.el (rng-uniquify-eq): Make obsolete in favor
of seq-uniq.  Update callers.

* lisp/allout.el:
* lisp/emacs-lisp/edebug.el:
* lisp/emacs-lisp/ert.el:
* lisp/erc/erc-menu.el:
* lisp/help-mode.el:
* lisp/net/dictionary.el:
* lisp/nxml/rng-nxml.el:
* lisp/progmodes/ebrowse.el:
* lisp/progmodes/meta-mode.el:
* lisp/progmodes/prolog.el:
* lisp/progmodes/ps-mode.el:
* lisp/progmodes/vera-mode.el:
* lisp/wid-browse.el: Remove redundant require of easymenu.  We only
use the autoloaded macro 'easy-menu-define' here.

* doc/lispref/display.texi (Size of Displayed Text):
* doc/lispref/windows.texi (Buffer Display Action Functions):
* etc/NEWS:
* etc/ORG-NEWS (Org-Attach has been refactored and extended):
* lisp/battery.el (display-battery-mode, battery--upower-subsribe):
* lisp/calendar/parse-time.el:
* lisp/dired-x.el:
* lisp/emacs-lisp/chart.el (chart-sequece, chart-bar-quickie):
* lisp/emacs-lisp/eldoc.el (eldoc-echo-area-use-multiline-p)
(eldoc-documentation-strategy):
* lisp/emacs-lisp/pcase.el (pcase--split-pred, pcase--u1):
* lisp/gnus/gnus-search.el (gnus-search-expandable-keys)
(gnus-search-parse-query, gnus-search-query-return-string)
(gnus-search-imap, gnus-search-imap-search-command)
(gnus-search-transform-expression):
* lisp/gnus/nnselect.el:
* lisp/isearch.el (isearch-lazy-count-format):
* lisp/mh-e/mh-show.el (mh-show-msg):
* lisp/net/dictionary-connection.el (dictionary-connection-open):
* lisp/net/dictionary.el (dictionary-default-popup-strategy)
(dictionary, dictionary-split-string, dictionary-do-select-dictionary)
(dictionary-display-dictionarys, dictionary-search)
(dictionary-tooltip-mode):
* lisp/net/eudcb-macos-contacts.el (eudc-macos-contacts-set-server):
* lisp/net/mailcap.el (mailcap-mime-data):
* lisp/net/tramp-smb.el (tramp-smb-maybe-open-connection):
* lisp/nxml/nxml-mode.el (nxml-mode):
* lisp/progmodes/cc-engine.el:
* lisp/progmodes/cperl-mode.el (cperl-mode)
(cperl-fontify-syntaxically):
* lisp/progmodes/flymake.el (flymake-diagnostic-functions):
* lisp/progmodes/verilog-mode.el (verilog--supressed-warnings)
(verilog-preprocess):
* lisp/simple.el (self-insert-uses-region-functions):
* lisp/textmodes/bibtex.el (bibtex-copy-summary-as-kill):
* lisp/textmodes/texnfo-upd.el (texinfo-insert-master-menu-list):
* src/dispnew.c:
* src/font.c (Ffont_get):
* src/indent.c (compute_motion):
* src/process.c (init_process_emacs):
* src/w32fns.c (deliver_wm_chars):
* test/lisp/jsonrpc-tests.el (deferred-action-complex-tests):
Fix typos in documentation, comments, and internal identifiers.

* 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.

* test/lisp/electric-tests.el:
* lisp/term/w32console.el:
* lisp/nxml/rng-util.el:
* leim/leim-ext.el: Use lexical-binding.

* lisp/international/titdic-cnv.el (tit-process-header)
(miscdic-convert):
* lisp/international/mule-cmds.el (leim-list-header):
* lisp/international/ja-dic-cnv.el (skkdic-convert):
Use lexical-binding in the generated file.

* lisp/nxml/nxml-mode.el (nxml-char-ref-display-glyph-flag)
(nxml-sexp-element-flag, nxml-slash-auto-complete-flag)
(nxml-child-indent, nxml-attribute-indent)
(nxml-bind-meta-tab-to-complete-flag)
(nxml-prefer-utf-16-to-utf-8-flag)
(nxml-prefer-utf-16-little-to-big-endian-flag)
(nxml-default-buffer-file-coding-system)
(nxml-auto-insert-xml-declaration-flag): Add :safe to allow easier
cusomization (bug#45969).

Run "TZ=UTC0 admin/update-copyright".

* lisp/calc/calc.el (calc-embedded-announce-formula-alist)
(calc-embedded-open-formula, calc-embedded-close-formula)
(calc-matrix-mode):
* lisp/cedet/semantic/imenu.el (semantic-imenu-sort-bucket-function):
* lisp/emacs-lisp/find-func.el (find-feature-regexp):
* lisp/emulation/cua-base.el (cua-paste-pop-rotate-temporarily):
* lisp/emulation/viper-init.el (viper-fast-keyseq-timeout)
(viper-related-files-and-buffers-ring):
* lisp/emulation/viper-keym.el (viper-want-ctl-h-help):
* lisp/gnus/gnus-art.el (gnus-article-banner-alist):
* lisp/gnus/gnus-group.el (gnus-keep-same-level):
* lisp/gnus/gnus-score.el (gnus-adaptive-word-length-limit):
* lisp/gnus/gnus-sum.el (gnus-inhibit-user-auto-expire):
* lisp/gnus/gnus-uu.el (gnus-uu-ignore-files-by-type)
(gnus-uu-do-not-unpack-archives)
(gnus-uu-unmark-articles-not-decoded)
(gnus-uu-correct-stripped-uucode, gnus-uu-save-in-digest)
(gnus-uu-post-include-before-composing):
* lisp/gnus/gnus.el (gnus-use-long-file-name)
(gnus-install-group-spam-parameters):
* lisp/gnus/message.el (message-cite-style):
* lisp/gnus/nnmail.el
(nnmail-split-fancy-with-parent-ignore-groups)
(nnmail-cache-ignore-groups):
* lisp/ido.el (ido-rewrite-file-prompt-functions):
* lisp/mail/feedmail.el (feedmail-fiddle-plex-user-list)
(feedmail-spray-address-fiddle-plex-list):
* lisp/mh-e/mh-e.el (mh-annotate-msg-hook):
* lisp/net/imap.el (imap-process-connection-type):
* lisp/net/rcirc.el (rcirc-omit-threshold):
* lisp/net/tramp-sh.el (tramp-copy-size-limit):
* lisp/nxml/nxml-mode.el (nxml-default-buffer-file-coding-system):
* lisp/obsolete/landmark.el (landmark-max-stall-time):
* lisp/obsolete/tls.el (tls-checktrust):
* lisp/org/org-indent.el
(org-indent-mode-turns-off-org-adapt-indentation)
(org-indent-mode-turns-on-hiding-stars):
* lisp/org/org-protocol.el (org-protocol-project-alist):
* lisp/progmodes/cc-vars.el (c-doc-comment-style):
* lisp/progmodes/cperl-mode.el (cperl-indent-subs-specially):
* lisp/progmodes/flymake-proc.el (flymake-proc-allowed-file-name-masks):
* lisp/progmodes/hideif.el (hide-ifdef-expand-reinclusion-protection):
* lisp/simple.el (minibuffer-history-case-insensitive-variables):
* lisp/tab-bar.el (tab-bar-close-last-tab-choice):
* lisp/textmodes/reftex-vars.el
(reftex-special-environment-functions):
* lisp/vc/ediff-init.el (ediff-startup-hook, ediff-cleanup-hook)
(ediff-metachars):
* lisp/vc/ediff-merg.el (ediff-show-clashes-only):
* lisp/vc/ediff-mult.el (ediff-default-filtering-regexp): Shorten doc
strings to not exceed 80-column limits.  (Bug#44858)

* lisp/nxml/xsd-regexp.el (xsdre-range-list-to-char-alternative):
Make (string-match (xsdre-translate "\\p{P}") "a-b") work
(bug#24093) -- the "forbidden" characters don't have to be the
first elements in a range.