* lisp/mail/sendmail.el (mail-do-fcc):
* lisp/net/tramp.el (tramp-debug-message):
Prefer format-time-string to doing time formatting by hand.

* lisp/mail/feedmail.el (feedmail-rfc822-time-zone)
(feedmail-rfc822-date, feedmail-default-message-id-generator):
* lisp/mail/mail-utils.el (mail-rfc822-time-zone, mail-rfc822-date):
* lisp/timezone.el (timezone-make-arpa-date):
Simplify by using format-time-string with %z.

* lisp/mail/feedmail.el (feedmail-rfc822-time-zone):
* lisp/mail/mail-utils.el (mail-rfc822-time-zone):
Mark these should-have-been-internal functions obsolete.

* lisp/abbrev.el (expand-region-abbrevs):
* lisp/calc/calc-graph.el (calc-graph-show-dumb):
* lisp/calc/calc-help.el (calc-help-for-help):
* lisp/calc/calc-mode.el (calc-auto-why):
* lisp/calc/calc.el (calc-do):
* lisp/calculator.el (calculator-mode):
* lisp/dired-aux.el (dired-create-files)
(dired-do-create-files-regexp, dired-create-files-non-directory):
* lisp/dired-x.el (dired-virtual):
* lisp/dired.el (dired-mark-region, dired-unmark-all-files):
* lisp/emacs-lisp/map-ynp.el (map-y-or-n-p):
* lisp/emacs-lisp/re-builder.el (reb-enter-subexp-mode):
* lisp/epa-ks.el (epa-ks--display-keys):
* lisp/erc/erc.el (erc-toggle-debug-irc-protocol):
* lisp/files.el (save-some-buffers):
* lisp/gnus/gnus-dired.el (gnus-dired-find-file-mailcap)
(gnus-dired-print):
* lisp/gnus/gnus-group.el (gnus-keep-same-level):
* lisp/gnus/gnus-score.el (gnus-score-find-trace):
* lisp/gnus/gnus.el (to-list):
* lisp/gnus/message.el (message--send-mail-maybe-partially):
* lisp/mail/supercite.el (sc-set-variable):
* lisp/minibuffer.el (minibuffer-inactive-mode):
* lisp/progmodes/etags.el (select-tags-table):
* lisp/progmodes/idlw-shell.el (idlwave-shell-mode)
(idlwave-shell-char-mode-loop):
* lisp/replace.el (query-replace-help):
* lisp/simple.el (set-variable):
* lisp/subr.el (read-char-from-minibuffer):
* lisp/textmodes/ispell.el (ispell-help, ispell-message):
* lisp/textmodes/reftex-global.el (reftex-find-duplicate-labels):
* lisp/textmodes/reftex-vars.el
(reftex-toc-include-file-boundaries)
(reftex-toc-include-labels, reftex-toc-include-index-entries)
(reftex-toc-include-context, reftex-toc-follow-mode)
(reftex-index-include-context, reftex-index-follow-mode)
(reftex-enable-partial-scans)
(reftex-auto-update-selection-buffers)
(reftex-highlight-selection):
* lisp/time.el (display-time-update):
* lisp/vc/ediff-help.el (ediff-help-for-quick-help):
* lisp/vc/ediff-init.el (ediff-keep-variants):
* lisp/vc/ediff-ptch.el (ediff-fixup-patch-map)
(ediff-patch-file-internal):
* lisp/windmove.el (windmove-delete-default-keybindings): Use
'substitute-command-keys' for literal key sequences.

* lisp/userlock.el (userlock--fontify-key): Remove function.
(ask-user-about-lock, ask-user-about-lock-help)
(ask-user-about-supersession-threat)
(ask-user-about-supersession-help): Use 'substitute-command-keys' for
literal key sequences.

* lisp/ibuffer.el (ibuffer-unmark-all): Use 'substitute-command-keys'
for command.

* lisp/emulation/viper-cmd.el (viper-start-R-mode):
* lisp/emulation/viper-init.el (viper-window-display-p):
* lisp/emulation/viper-mous.el (viper-surrounding-word):
* lisp/mail/footnote.el (footnote-mode):
* lisp/textmodes/reftex-index.el: Remove some comments referring to
XEmacs.

* lisp/mail/uce.el (uce-reply-to-uce): Recommend against its use on
the first invocation.  (Bug#46472)

63abe976ce (origin/emacs-28) Document minibuffer-default-prompt-forma...
b5afbedc90 Backward compatibility option for 'nobreak-char-display'
ea1b728a06 ; * lisp/dired.el: Fix typo.
984eafeb98 Unbreak the build after Gnulib update
5946370cd1 Check, whether an FUSE mount has been broken in Tramp
90575a6c0c Disable 'nobreak-char-display' in Eldoc buffers
570e2c9a17 Fix small error in comint-send-input
fd7bb31412 Update documentation of search-whitespace-regexp
1f4ced47a1 Fix cc-compat.el syntax error
b431f54c1b Mention `seq-uniq' in `delete-dups' documentation
0a7bab689c ; Minor stylistic fixes found by checkdoc
e2861e2d08 ; * etc/NEWS: Fix typo.
1a65d49931 Port recent Gnulib changes to MS-Windows
68a256c892 Update from Gnulib
63cb65dcce * Fix mh tests for native comp builds (bug#50975)
e606cc6f40 * Fix `batch-native-compile' not to spawn a subprocess
894dfe70da Fix native-compilation build from tarball on Cygwin
2ce5e08058 Remove U+FE0F from script-representative-chars

# Conflicts:
#	etc/NEWS

* lisp/bookmark.el (bookmark-completing-read):
* lisp/calc/calc-prog.el (calc-user-define-formula):
* lisp/calc/calc-store.el (calc-permanent-variable):
* lisp/calc/calc-units.el (calc-convert-units)
(calc-convert-exact-units, calc-convert-temperature):
* lisp/cedet/semantic/complete.el
(semantic-complete-read-tag-engine):
* lisp/cus-edit.el (customize-read-group):
* lisp/dired-aux.el (dired-do-chxxx):
* lisp/dired-x.el (dired-mark-unmarked-files):
* lisp/emacs-lisp/debug.el (cancel-debug-on-entry)
(cancel-debug-on-variable-change):
* lisp/emacs-lisp/edebug.el (edebug-cancel-on-entry)
(edebug-remove-instrumentation):
* lisp/epa.el (epa-read-file-name, epa-export-keys):
* lisp/faces.el (read-face-name):
* lisp/format.el (format-decode-buffer, format-decode-region):
* lisp/gnus/gnus-art.el (gnus-read-save-file-name):
* lisp/gnus/gnus-util.el (gnus-completing-read):
* lisp/gnus/message.el (message-check-news-header-syntax):
* lisp/info.el (Info-follow-reference):
* lisp/international/mule-diag.el (describe-font)
(describe-fontset):
* lisp/international/quail.el (quail-show-keyboard-layout):
* lisp/language/cyril-util.el
(standard-display-cyrillic-translit):
* lisp/mail/rmailkwd.el (rmail-read-label):
* lisp/mail/rmailmm.el (rmail-mime-save):
* lisp/mail/rmailout.el (rmail-output-read-file-name):
* lisp/man.el (Man-goto-section, Man-follow-manual-reference):
* lisp/menu-bar.el (emacs-index--prompt):
* lisp/net/ange-ftp.el (ange-ftp-get-passwd):
* lisp/proced.el (proced-send-signal):
* lisp/progmodes/cpp.el (cpp-choose-face):
* lisp/progmodes/ebrowse.el (ebrowse-set-tree-indentation):
* lisp/progmodes/etags.el (visit-tags-table)
(visit-tags-table-buffer):
* lisp/progmodes/grep.el (grep-read-files):
* lisp/progmodes/hideif.el (hide-ifdef-define):
* lisp/progmodes/pascal.el (pascal-goto-defun):
* lisp/progmodes/prolog.el (prolog-read-predicate):
* lisp/progmodes/sql.el (sql-get-login-ext):
* lisp/ses.el (ses-define-local-printer):
* lisp/textmodes/artist.el (artist-figlet-choose-font):
* lisp/textmodes/tex-mode.el (tex-compile):
* lisp/vc/diff.el (diff):
* lisp/vc/ediff-ptch.el (ediff-prompt-for-patch-file):
* lisp/vc/ediff-util.el (ediff-read-file-name):
* lisp/vc/pcvs.el (cvs-mode-mark-on-state):
* lisp/vc/vc.el (vc-diff-build-argument-list-internal)
(vc-revision-other-window, vc-retrieve-tag):
* lisp/wid-edit.el: Prefer format-prompt unconditionally.

* lisp/org/org-capture.el (org-capture-fill-template):
* lisp/org/org-refile.el (org-refile-get-location):
* lisp/progmodes/python.el (python-eldoc-at-point):
* lisp/progmodes/verilog-mode.el (verilog-surelint-off)
(verilog-goto-defun):
* lisp/progmodes/xref.el (xref--read-identifier): Prefer format-prompt
when it is fboundp.

* admin/authors.el (authors):
* lisp/abbrev.el (abbrev-suggest-show-report):
* lisp/calc/calc.el (calc-display-trail, calc):
* lisp/completion.el (completion-locate-db-error):
* lisp/dired-x.el (dired-extra-startup):
* lisp/emacs-lisp/package.el (package-install-selected-packages):
* lisp/emulation/viper.el (viper-mode):
* lisp/facemenu.el (list-colors-display):
* lisp/mail/emacsbug.el (report-emacs-bug-hook):
* lisp/mail/sendmail.el (mail):
* lisp/menu-bar.el (menu-bar-mode):
* lisp/org/org.el (org-revert-all-org-buffers):
* lisp/progmodes/antlr-mode.el (antlr-help-rules-intro)
(antlr-insert-makefile-rules):
* lisp/progmodes/gdb-mi.el (gdb--check-interpreter):
* lisp/progmodes/xscheme.el (xscheme-process-sentinel):
* lisp/ps-print.el (ps-font-info-database):
* lisp/recentf.el (recentf-edit-list, recentf-open-files):
* lisp/vc/ediff-util.el (ediff-suspend):
* lisp/vc/pcvs.el (cvs-mode):
* lisp/vc/vc-bzr.el (vc-bzr-dir-extra-headers): Use command
substitution.

* lisp/vc/ediff-init.el (ediff-BAD-INFO):
* lisp/url/url-ldap.el (url-ldap):
* lisp/url/url-http.el (url-http--user-agent-default-string):
* lisp/textmodes/reftex.el (reftex-access-parse-file):
* lisp/textmodes/reftex-index.el (reftex-index-phrases-info):
* lisp/textmodes/ispell.el (ispell-create-debug-buffer):
* lisp/term.el (serial-read-speed):
* lisp/progmodes/verilog-mode.el (verilog-scan-debug):
* lisp/progmodes/idlwave.el (idlwave-find-module):
* lisp/progmodes/compile.el (compilation-revert-buffer):
* lisp/org/org-agenda.el (org-search-view):
* lisp/net/telnet.el (telnet-revert-buffer):
* lisp/net/soap-inspect.el (soap-sample-value-for-xs-simple-type):
* lisp/net/newst-backend.el (newsticker--cache-read):
* lisp/mh-e/mh-seq.el (mh-msg-is-in-seq):
* lisp/mail/smtpmail.el (smtpmail-via-smtp):
* lisp/mail/emacsbug.el (report-emacs-bug):
* lisp/jsonrpc.el (jsonrpc-error):
* lisp/help-fns.el (describe-variable):
* lisp/gnus/mm-decode.el (mm-possibly-verify-or-decrypt):
* lisp/gnus/gnus.el (gnus-group-startup-message):
(gnus-group-startup-message):
* lisp/gnus/gnus-group.el (gnus-group-restart):
* lisp/frame.el (make-frame-on-display):
* lisp/emulation/viper-ex.el (ex-help):
* lisp/calendar/icalendar.el (icalendar--convert-ical-to-diary):
(icalendar--add-diary-entry):
* lisp/calendar/cal-tex.el (cal-tex-end-document):
* lisp/calc/calcalg3.el (math-ninteg-romberg): Don't use `format'
on strings that have no % format directives in them.