Fix recent documentation changes

* doc/lispref/minibuf.texi (Multiple Queries): Move the
reference to 'read-char-from-minibuffer' from here...
* doc/lispref/commands.texi (Reading One Event): ...to here.
Fix the wording of the description of
'read-char-from-minibuffer'.

Make GTK font chooser respect face-ignored-fonts

* src/font.c (font_delete_unmatched): Move Vface_ignored_fonts
matching to...
(font_is_ignored): ..Here.  New function.
* src/gtkutil.c (xg_font_filter): New function, uses font_is_ignored
to filter fonts.
(xg_get_font): Set GTK font chooser filter to xg_font_filter.
* src/gtkutil.h: Add prototype for font_is_ignored.

Obsolete rfc2047-quote-special-characters-in-quoted-strings (bug#38200)

* lisp/mail/rfc2047.el
(rfc2047-quote-special-characters-in-quoted-strings): Make obsolete
instead of removing it.

Remove rfc2047-quote-special-characters-in-quoted-strings (bug#38200)

* lisp/mail/rfc2047.el
(rfc2047-quote-special-characters-in-quoted-strings): Remove function.
(rfc2047-encode-message-header, rfc2047-encode-region): Don't use it.

(vc-default-update-on-retrieve-tag): Accept backend argument

* lisp/vc/vc.el (vc-default-update-on-retrieve-tag): Accept
backend argument (bug#38156).  This fixes a bug introduced in the
previous patch.

Fix mouse-1 on Gnus article buffer buttons

* lisp/gnus/gnus-art.el (gnus-article-add-button): Make mouse-1
work as required by mouse-1-click-follows-link (bug#38144).

VC: ability to skip update buffers prompt

* lisp/vc/vc.el (vc-default-update-on-retrieve-tag): New function.
(vc-retrieve-tag): Call `update-on-retrieve-tag' backend function
to determine if prompt for update buffers is needed; Include tag
name into the "Retrieving tag" message.
* lisp/vc/vc-git.el (vc-git-update-on-retrieve-tag):
* lisp/vc/vc-hg.el (vc-hg-update-on-retrieve-tag):
* lisp/vc/vc-svn.el (vc-svn-udate-on-retrieve-tag): New functions.
Buffers update prompt on `vc-retrieve-tag' is omitted (bug#38156).

Make clone-buffer not unbind global variable

* lisp/simple.el (clone-buffer): Make clone-buffer not globally
unset locally void variable (bug#38179).

Copyright-paperwork-exempt: yes

Update signature in etc/DISTRIB

* etc/DISTRIB: Update signature (bug#38188).

Make dired-do-compress-to require format-spec

* lisp/dired-aux.el (dired-do-compress-to): Require format-spec
runtime (bug#38189).

Allow using edebug-remove-instrumentation more fine-grained

* lisp/emacs-lisp/edebug.el (edebug-remove-instrumentation):
Prompt the user for what functions to remove instrumentation from
a la cancel-edebug-on-entry (bug#38195).

time-stamp: update support for time zone numeric offset

* time-stamp.el (time-stamp-string-preprocess): Change new format for
numeric time zone from %:z to %5z to match format-time-string better.
(time-stamp-format): Document support for numeric time zone.
See discussion in bug#32931.

* NEWS: Mention time-stamp-format %5z.

Don't show Attachment(s) header in html article viewed with browse-url

* lisp/gnus/gnus-art.el (gnus-article-browse-html-article):
Bind gnus-mime-display-attachment-buttons-in-header to nil.

* lisp/tab-line.el (tab-line-tabs-buffer-list): Use window-prev-buffers too.

* lisp/tab-line.el (tab-line-tabs-buffer-list): Move window-prev-buffers here
from tab-line-tabs-buffer-groups.

Fix double-rounding bug in ceiling etc.

This is doable now that we have bignums.
* src/floatfns.c (integer_value): Remove; no longer used.
(rescale_for_division): New function.
(rounding_driver): Use it to divide properly (by using bignums)
even when arguments are float, fixing a double-rounding FIXME.
* src/lisp.h (LOG2_FLT_RADIX): Move here ...
* src/timefns.c (frac_to_double): ... from here.
* test/src/floatfns-tests.el (big-round):
Add a test to catch the double-rounding bug.

Refactor bignum multiplication, exponentiation

This doesn’t alter behavior, and simplifies the next commit.
* src/bignum.c (GMP_NLIMBS_MAX, NLIMBS_LIMIT, emacs_mpz_size)
(emacs_mpz_mul, emacs_mpz_mul_2exp, emacs_mpz_pow_ui): Move here ...
* src/data.c: ... from here.

Refactor double integer scaling

This doesn’t alter behavior, and simplifies a future commit.
* src/floatfns.c (double_integer_scale): New function,
with body adapted from the old timefns.c.
* src/timefns.c (decode_float_time): Use it.

Finish last Tramp patch

* lisp/net/tramp.el (outline-regexp): Remove declaration.
(tramp-debug-outline-regexp): Add thread regexp.
(tramp-debug-font-lock-keywords): New defconst.
(tramp-debug-outline-level): Adapt to changed
`tramp-debug-outline-regexp'.
(tramp-get-debug-buffer): Use `tramp-debug-font-lock-keywords'.

Add "Noto Color Emoji" to face-ignored-fonts

* src/xfaces.c (syms_of_xfaces) [HAVE_XFT]: Add "Noto Color Emoji" to
face-ignored-fonts (Bug#37786).

Some refinement in Tramp debug buffer.

* lisp/net/tramp.el (outline-regexp): Remove declaration.
(tramp-debug-font-lock-keywords): New defconst.
(tramp-get-debug-buffer): Use it.

Adapt Tramp docstrings according to checkdoc

* lisp/net/tramp.el (tramp-backup-directory-alist)
(tramp-echoed-echo-mark-regexp, tramp-syntax-values)
(tramp-lookup-syntax, tramp-build-prefix-format)
(tramp-build-prefix-regexp, tramp-build-method-regexp)
(tramp-build-postfix-method-format)
(tramp-build-postfix-method-regexp)
(tramp-build-prefix-ipv6-format, tramp-build-prefix-ipv6-regexp)
(tramp-build-postfix-ipv6-format)
(tramp-build-postfix-ipv6-regexp)
(tramp-build-postfix-host-format)
(tramp-build-postfix-host-regexp, tramp-unknown-id-string)
(tramp-unknown-id-integer, tramp-build-file-name-regexp)
(tramp-build-completion-file-name-regexp, tramp-chunksize)
(tramp-find-method, tramp-find-user, tramp-find-host)
(tramp-dissect-file-name, tramp-get-buffer)
(tramp-get-connection-buffer, tramp-debug-message, tramp-error)
(with-tramp-connection-property, tramp-run-real-handler)
(tramp-file-name-for-operation, tramp-file-name-handler)
(tramp-completion-file-name-handler)
(tramp-completion-handle-file-name-completion)
(tramp-completion-dissect-file-name)
(tramp-completion-dissect-file-name1)
(tramp-handle-file-name-as-directory)
(tramp-handle-file-name-directory)
(tramp-handle-file-name-nondirectory, tramp-mode-string-to-int)
(tramp-file-mode-from-int):
* lisp/net/tramp-adb.el (tramp-adb-file-name-p):
* lisp/net/tramp-archive.el (tramp-archive-run-real-handler)
(tramp-archive-file-name-handler)
(tramp-archive-dissect-file-name)
(with-parsed-tramp-archive-file-name)
(tramp-archive-gvfs-file-name, tramp-archive-handle-access-file):
* lisp/net/tramp-cmds.el (tramp-list-remote-buffers):
* lisp/net/tramp-compat.el (tramp-unload-file-name-handlers)
(tramp-compat-funcall, tramp-compat-tramp-file-name-slots):
* lisp/net/tramp-ftp.el (tramp-ftp-file-name-handler)
(tramp-ftp-file-name-p):
* lisp/net/tramp-gvfs.el (tramp-gvfs-file-name-p)
(tramp-gvfs-file-name-handler)
(tramp-gvfs-stringify-dbus-message)
(tramp-gvfs-monitor-process-filter)
(tramp-gvfs-handler-mounted-unmounted):
* lisp/net/tramp-integration.el
(tramp-rfn-eshadow-update-overlay-regexp):
* lisp/net/tramp-rclone.el (tramp-rclone-file-name-p)
(tramp-rclone-file-name-handler, tramp-rclone-send-command):
* lisp/net/tramp-sh.el (tramp-sh--quoting-style-options)
(tramp-sh-gio-monitor-process-filter)
(tramp-sh-gvfs-monitor-dir-process-filter)
(tramp-sh-inotifywait-process-filter, tramp-find-executable)
(tramp-set-remote-path, tramp-open-shell, tramp-find-shell)
(tramp-send-command-and-check, tramp-shell-case-fold)
(tramp-get-remote-path):
* lisp/net/tramp-smb.el (tramp-smb-file-name-p)
(tramp-smb-file-name-handler)
(tramp-smb-do-file-attributes-with-stat)
(tramp-smb-handle-substitute-in-file-name)
(tramp-smb-get-stat-capability, tramp-smb-shell-quote-argument):
* lisp/net/tramp-sudoedit.el (tramp-sudoedit-file-name-p)
(tramp-sudoedit-file-name-handler)
(tramp-sudoedit-send-command-string):
* test/lisp/net/tramp-archive-tests.el (tramp-archive-test-all):
* test/lisp/net/tramp-tests.el (tramp--test-gvfs-p)
(tramp--test-with-proper-process-name-and-buffer)
(tramp-test-all): Adapt docstrings according to `checkdoc'.

Avoid fido-mode's setup on non-icomplete minibuffers

Otherwise we would lose things like C-r (isearch-backward) when doing
simple stuff like non-icomplete pp-eval-expression.

* lisp/icomplete.el (icomplete--fido-mode-setup): Restrict setup
to when icomplete-mode really kicks in.

* lisp/tab-line.el (tab-line-tabs-buffer-list-function): New variable.

(tab-line-tabs-buffer-list): New function.
(tab-line-tabs-mode-buffers, tab-line-tabs-buffer-groups):
Call tab-line-tabs-mode-buffers.
(tab-line-tabs-buffer-groups): Add 'close' function that uses
kill-buffer instead of bury-buffer that makes no sense here.
(tab-line-format): Don't show the close button when a tab
has no 'close' function or buffer.
(tab-line-switch-to-prev-tab, tab-line-switch-to-next-tab):
Support tabs with 'buffer' properties.
(tab-line-close-tab): Call 'close' function when defined.

* lisp/dired.el (dired-dwim-target): Add new choices (bug#35385)

* lisp/dired.el (dired-dwim-target): Add choices
dired-dwim-target-next and dired-dwim-target-recent.

* lisp/dired-aux.el (dired-dwim-target-next)
(dired-dwim-target-recent): New functions.
(dired-dwim-target-directories): Call either of them.

* doc/emacs/dired.texi (Operating on Files): Mention new
preferences in dired-dwim-target.

Conditionally omit edition numbers, dates in doc

This redoes the 2019-11-02T00:24:02!eggert@cs.ucla.edu patch,
updated after consultation with John Sullivan.
Omit printed edition numbers in online manuals while keeping
them in printed manuals.  In online manuals the edition
numbers seem to cause more confusion than they cure; e.g.,
https://shop.fsf.org/books/gnu-emacs-manual-18th-edition-v-261
currently advertises "18th edition" even as it points to
https://www.gnu.org/software/emacs/manual/pdf/emacs.pdf which
says "Seventeenth Edition".  It is simpler and less confusing
to stick to one version number like "27.0" in online manuals.
For printed manuals people can run, e.g., "texi2any -D
'EDITION Nineteenth'" when generating the 19th printed edition
of the Emacs manual.
* doc/emacs/emacs.texi (EDITION):
* doc/lispintro/emacs-lisp-intro.texi (edition-number, update-date):
* doc/lispref/elisp.texi (VERSION, DATE):
Remove definitions.  Instead, let the person printing the book
specify these values, with the default being the online version
which does not have printed edition numbers.
* doc/lispintro/emacs-lisp-intro.texi (titlepage-edition-number):
New flag, for the edition number as it appears on the title page.

Make sure buffer is live before retrieving underline properties (Bug#38038)

* src/window.h (WINDOW_BUFFER_LOCAL_VALUE): New macro.
* src/nsterm.m (ns_draw_text_decoration):
* src/w32term.c (w32_draw_glyph_string):
* src/xterm.c (x_draw_glyph_string): Make sure buffer is live
before retrieving underline properties from it (Bug#38038).

* lisp/emacs-lisp/easymenu.el (easy-menu-make-symbol): Fix last change

Fix a few more minor quoting problems.

Rename font-log-refontify

* lisp/font-lock.el (font-lock-debug-fontify): Rename to make it
clearer what the function is for.
* doc/lispref/modes.texi (Font Lock Basics): Ditto.

* lisp/startup.el (command-line): Fix last change in package--activated

Fix some quoting glitches in doc strings

Fix quoting glitch in formatting Gnus messages

* lisp/gnus/gnus-util.el (defmacro, gnus-message): Use
‘format-message’, not ‘format’, to be compatible with ‘message’.

Fix glitch in generating cxterm doc strings

* lisp/international/titdic-cnv.el (tit-process-header):
In generated doc strings, escape \, ", ', and ` properly.
Currently only ' appears but we might as well future-proof this.

Verilog-Mode collected updates.

* lisp/progmodes/verilog-mode.el (verilog-read-decls): Fix to skip
over base64-encoded protected data while reading AUTO declarations.
Reported by Berend Ozceri.
(verilog-auto-inst-port, verilog-auto-inst-vector): Support 'unsigned'
in `verilog-auto-inst-vector'. Reported by Jeff Riley.
(verilog-read-decls): Fix to ignore `line in AUTOINST, git
bug18. Reported by Berend Ozceri.
(verilog-library-extensions): Support .va /.vah/.sva/.svah file
extensions to load verilog-mode for Verilog-AMS.  Reported by Shareef
Jalloq.
(verilog-read-sub-decls-expr): Fix AUTOOUTPUT etc misparsing Verilog
casts, bug1526.  Reported by Udi Finkelstein.

Add several configuration files to auto-mode-alist

* lisp/files.el (auto-mode-alist): Use conf-mode for .asoundrc,
.mairixrc, .mbsyncr, .msmtprc, .nvidia-settings-rc, .offlineimaprc,
.reportbugrc, .rtorrent.rc, .screenrc, .mpdconf, .notmuch-config.  Use
conf-windows-mode for .redshift.conf.  (Bug#38065)

Document Lisp floats a bit better

* doc/lispref/numbers.texi (Float Basics):
* doc/misc/cl.texi (Implementation Parameters):
* lisp/emacs-lisp/cl-lib.el (cl-most-positive-float)
(cl-least-positive-float)
(cl-least-positive-normalized-float, cl-float-epsilon)
(cl-float-negative-epsilon):
Document IEEE floating point better.  Don’t suggest that Emacs
might use some floating-point format other than IEEE format, as
Emacs currently assumes IEEE in several places and there seems
little point in removing those assumptions.

* lisp/tab-bar.el: Better handling of closed-tabs in tab-bar-list.

* lisp/tab-bar.el (tab-bar-list-delete-from-list): Add closed tab to
tab-bar-closed-tabs.
(tab-bar-list-select): Don't add the closed intermediate tab to
tab-bar-closed-tabs.

* lisp/autorevert.el: Use 'minibuffer-message' to not obscure the prompt.

* lisp/autorevert.el (auto-revert-handler): Use 'minibuffer-message'
instead of 'message'.  Call it from the original window's buffer
that in case of the minibuffer should be current, so
minibuffer-message could add a message to it.  (Bug#34614)

* lisp/emacs-lisp/ert-x.el (ert--make-message-advice): Add nil to
the list of values to not use for format-message, because
minibuffer-message calls 'message' with nil argument, and tests fail.

Make dired-get-subdir-min obsolete

* lisp/dired.el (dired-get-subdir-min): Redefine as obsolete function
alias for 'cdr'.  (Bug#11571)
(dired-get-subdir, dired-get-subdir-max, dired-clear-alist)
(dired-next-subdir, dired-current-directory):
* lisp/dired-aux.el (dired-rename-subdir-2)
(dired-alist-sort, dired-insert-subdir-del)
(dired-insert-subdir-doupdate, dired-goto-subdir)
(dired-hide-subdir, dired-hide-all): Use 'cdr' instead of
the above obsolete function.
(dired-subdir-alist): Doc fix.

Co-authored-by: Drew Adams <drew.adams@oracle.com>

Move read-char-from-minibuffer from simple.el to subr.el and document it.

* doc/lispref/minibuf.texi (Multiple Queries):
Document read-char-from-minibuffer (bug#10477, bug#38076).

* lisp/subr.el (read-char-history)
(read-char-from-minibuffer-map)
(read-char-from-minibuffer-map-hash)
(read-char-from-minibuffer-insert-char)
(read-char-from-minibuffer-insert-other, empty-history)
(read-char-from-minibuffer): Move from simple.el to subr.el.

* lisp/cedet/semantic/wisent/comp.el (wisent-struct): Remove

(core, shifts, reductions, errs): Use cl-defstruct instead.
Adjust all users of the set-<struct>-<field> setters to use
`setf` instead.

Add extra bindings to fido-mode.

* lisp/icomplete.el (icomplete-fido-mode-map) : Add arrows and other
bindings to reproduce ido behaviour.

Disable a portion of one doc-test

* test/src/doc-tests.el (doc-test-substitute-command-keys):
Disable component that fails twice in the past 5 weeks
due to changes in the minibuffer map.

Don't overwrite y-or-n-p prompt by message from asynchronous man (bug#19064)

* lisp/man.el (Man-bgproc-sentinel): Postpone displaying the message
and deleting the buffer until exiting the code block with
with-current-buffer.  Use minibuffer-message to display message
to handle possibly active minibuffer.

Don't obscure the minibuffer by message (bug#17272)

* lisp/subr.el (do-after-load-evaluation): Use minibuffer-message
to not obscure a possibly active minibuffer.

* lisp/minibuffer.el (minibuffer-message):
Record message in the *Messages* buffer.

Use the minibuffer to read answer in userlock.el (bug#38076)

* lisp/userlock.el: Rename 'fn' to 'filename'.
(ask-user-about-supersession-threat): Use read-char-from-minibuffer
instead of read-char-choice.

* lisp/startup.el (package--activated): Fix redundant definition

* lisp/ffap.el (ffap-read-file-or-url): Don't use url-file-handler

Simplify accordingly (and don't call substitute-in-file-name redundantly).

hack-local-variables-confirm uses the minibuffer to read answer (bug#38076)

* lisp/files.el (hack-local-variables-confirm):
Use read-char-from-minibuffer instead of read-char-choice.
Remove special handling of original window scrolling
that is now supported in the minibuffer.  This fixes
https://lists.gnu.org/archive/html/emacs-devel/2019-10/msg01020.html
(files--ask-user-about-large-file): Use read-char-from-minibuffer
instead of read-char-choice.

Add CHARS arg to read-char-from-minibuffer compatible with read-char-choice.

* lisp/simple.el (read-char-history):
Rename from read-char-from-minibuffer-history.  (Bug#38076)
(read-char-from-minibuffer-insert-char):
Rename from read-char-from-minibuffer-self-insert.
(read-char-from-minibuffer-map-hash): New defconst.
(read-char-from-minibuffer-insert-other): New command.
(read-char-from-minibuffer): Add optional args CHARS and HISTORY.
(zap-to-char): Use 'read-char-history as HISTORY arg of
read-char-from-minibuffer.

* lisp/emacs-lisp/map-ynp.el (read-answer): Use sit-for instead of sleep-for.
Replace short answer history yes-or-no-p-history with read-char-history.

'y-or-n-p' now uses the minibuffer to read 'y' or 'n' answer (bug#38076)

* doc/lispref/minibuf.texi (Yes-or-No Queries): Update the fact
that y-or-n-p uses the minibuffer.

* lisp/subr.el (y-or-n-p-history-variable): New variable.
(y-or-n-p-map): New keymap.
(y-or-n-p-insert-y, y-or-n-p-insert-n, y-or-n-p-insert-other):
New commands.
(y-or-n-p): Rewrite to use read-from-minibuffer and make-composed-keymap
with y-or-n-p-map and query-replace-map.

Run scroll/recenter commands from minibuffer in original window (bug#38076)

* lisp/minibuffer.el (with-minibuffer-selected-window): New macro.
(minibuffer-recenter-top-bottom, minibuffer-scroll-up-command)
(minibuffer-scroll-down-command, minibuffer-scroll-other-window):
(minibuffer-scroll-other-window-down): New commands.
(minibuffer-local-map): Remap recenter/scroll symbols to their
minibuffer wrappers: recenter-top-bottom to minibuffer-recenter-top-bottom.

* src/window.c (Fother_window_for_scrolling): Use 'lambda' value for
MINIBUF arg of Fnext_window, so minibuffer-scroll-other-window and
minibuffer-scroll-other-window-down doesn't try to scroll the
minibuffer window.

Improve an error about the message signer

* lisp/gnus/mml-sec.el (mml-secure-epg-sign): Don't suggest setting
  `mml-secure-smime-sign-with-sender' if it's already non-nil.

Fix font-lock-keywords slightly

* lisp/font-lock.el (font-lock-keywords): Tweak doc string
slightly (bug#35005).

Fix case-insensitive completion of buffer names

* test/src/minibuf-tests.el (test-try-completion-ignore-case):
New test, suggested by Stefan Monnier <monnier@iro.umontreal.ca>.

* src/minibuf.c (Ftry_completion): Don't treat strings that
are identical but for the case as if they were identical for
the purposes of not counting the same string twice.  This
fixes case-insensitive completion when all the candidates are
identical but for the letter-case.  (Bug#11339)

Fix an error in selecting encoding when writing zip files

* lisp/international/mule-cmds.el (select-safe-coding-system):
Treat no-conversion-multibyte that came from find-auto-coding
the same as no-conversion for the purposes of encoding.  The
same logic that considers no-conversion always safe should do
the same with no-conversion-multibyte.  (Bug#38155)

* lisp/progmodes/cc-vars.el (c-mark-wrong-style-of-comment):
Fix version.

Revert "Nudge icomplete-mode a little closer to fido-mode"

Fixes bug#38131.

This is not the best way to have fido-mdoe emulate that particular bit
of ido-mode.

This reverts commit 5761a1a3939e23d8e8c725241dd9398a12f191b0.

Rename some commands to reflect they are fido-mode specific

* lisp/icomplete.el (icomplete-fido-kill)
(icomplete-fido-delete-char, icomplete-fido-ret)
(icomplete-fido-backward-updir): Rename from icomplete-magic-ido-*
versions.
(icomplete-fido-mode-map): Use new command names.

Protect flex's display-sort-function against 0-length candidates

* lisp/minibuffer.el (completion--flex-adjust-metadata): Assume a
candidate missing a score has a score of 0.

Widen around c-font-lock-fontify-region.  This fixes bug #38049.

* lisp/progmodes/cc-mode (c-font-lock-fontify-region): Widen in this function,
to ensure that the CC Mode font locking mechanism can examine characters
outside the given region.

CC Mode.  Allow fontification of "wrong" style comments with warning face.

This fixes bug #4192.

* etc/NEWS: Add a new entry.

* lisp/progmodes/cc-defs.el (c-font-lock-flush): New macro.

* lisp/progmodes/cc-cmds.el (c-toggle-comment-style): On toggling the comment
style, invoke c-font-lock-flush when c-mark-wrong-style-of-comment is non-nil,
to cause that marking to be done instead on the other style of comment.

* lisp/progmodes/cc-fonts.el (c-maybe-font-lock-wrong-style-comments): New
function.
(c-cpp-matchers): Call c-maybe-font-lock-wrong-style-comments when
appropriate.

* lisp/progmodes/cc-vars.el (c-mark-wrong-style-of-comment): New customizable
option.

* doc/misc/cc-mode.texi (top level, Indentation Commands, Guessing the Style,
Custom Macros): For some opening quote marks, correct '' to ``.
(Minor Modes): Add an xref to the new page "Wrong Comment Style" in a
footnote.
(Wrong Comment Style): New page.

Fix unresponsive Help menu in macOS

* src/nsterm.m (ns_check_menu_open): Don't postpone mouse drag and
non-user-generated mouse down events (Bug#31371).

Avoid compiler warnings in addpm.c and ddeclient.c

* nt/ddeclient.c (DdeCallback):
* nt/addpm.c (DdeCallback): Modify types of the last 2
arguments to avoid compiler warnings in 64-bit builds.
(Bug#38040)

Fix last change

* lisp/simple.el (goto-history-element)
(next-history-element): Fix quoting of "future history".

* doc/lispref/minibuf.texi (Minibuffer Commands)
(Text from Minibuffer): Add index entry and cross-reference
for "future history".  (Bug#38026)

Mention future history in history-related minibuffer commands

* lisp/simple.el (goto-history-element):
* doc/lispref/minibuf.texi (Minibuffer Commands): Explain
negative NABS.
* lisp/simple.el (next-history-element):
* doc/lispref/minibuf.texi (Minibuffer Commands): Mention
"future history."  (Bug#38026)

Fix some quoting glitches in doc strings

This also fixes a misplaced "only".

* lisp/ffap.el (ffap-read-file-or-url): Fix some URL cases

* lisp/ffap.el (ffap-read-file-or-url): Simplify further

* lisp/ffap.el (ffap-read-file-or-url): Use `read-file-name`

Since we use `url-handler-mode` to deal with URLs, `read-file-name`
works just as well, with the added benefit that it interacts correctly
with packages that rebind `read-file-name-function`, such as Helm.

(ffap-read-url-internal, ffap-read-file-or-url-internal): Remove, unused.

Fix MS-Windows version reference in FAQ

* doc/misc/efaq-w32.texi (Which versions of Windows): Clarify that we
support all recent versions of MS-Windows.  (Bug#38023)

Nudge icomplete-mode a little closer to fido-mode

* lisp/icomplete.el (icomplete-completions): Don't use ellipsis when
truncating determ in fido-mode.  Highlight the center part of
determ with icomplete-first-match.

Have pcm styles apply faces to face prop, not font-lock-face

This is the way the basic completion styles work.  This fixes
candidate highlighting in icomplete.

* lisp/minibuffer.el (completion-pcm--hilit-commonality): Apply
faces to 'face property, not font-lock-face.

Minor copyedits in ELisp manual

* doc/lispref/lists.texi (Sets And Lists): Minor rewording of
the "Common Lisp note".  (Bug#37811)

Ensure building and running on non-IPv6 capable hosts works

* src/process.c (Fmake_network_process) [AF_INET6]: Only build ::1
localhost when IPv6 is supported.
(Fnetwork_lookup_address_info) [AF_INET6]: Move check for Qipv6 inside
ifdef, since its definition depends on AF_INET6.  Don't return IPv6
addresses when they're not supported.

* test/src/process-tests.el (lookup-family-specification,
lookup-google): Only do IPv6 lookup if IPv6 is supported.

Handle case where a face's :extend attribute is unspecified (Bug#37774)

* src/xfaces.c (merge_face_vectors, merge_named_face): Handle case
where the :extend attribute's value is 'unspecified' (Bug#37774).

* lisp/emacs-lisp/easymenu.el: Don't quote lambdas

(easy-menu-do-define, easy-menu-make-symbol): Replace `(lambda ..)
with a closure.

Handle different system names of w32 in Tramp (Bug#38079)

* lisp/net/tramp.el (tramp-restricted-shell-hosts-alist):
Initialize with `system-name' in small and capital chars.

Describe IPv6 format in docstring for 'make-network-process'

* src/process.c (Fmake_network_process): Add description of IPv6
address format.

Revert "Don't flash previous buffer when connecting with emacsclient"

This reverts commit 49fc040077b33bd1e78ee425575e76329b772a41.
It turns out that the fix for a minor aesthetical annoyance
caused much more serious bugs: bug#31038, bug#35726, Bug#37097,

; * etc/NEWS: Fix wording of last change.

python.el: Pdbtracking improvements

Allow not to kill buffers when pdbtracking session is finished.
Pdbtracking session considered finished judging from the user input.

* lisp/progmodes/python.el (python-pdbtrack-kill-buffers): New
customizable variable.
(python-pdbtrack-set-tracked-buffer): Use it.
(python-pdbtrack-unset-tracked-buffer)
(python-pdbtrack-tracking-finish): New functions.
(python-pdbtrack-continue-command, python-pdbtrack-exit-command):
New customizable variables.
(python-pdbtrack-process-sentinel): New function.  Finish
pdbtracking session when process is killed.
(python-pdbtrack-prev-command-continue): New variable.
(python-pdbtrack-comint-input-filter-function): New function.
Finish pdbtracking session based on commands sent to pdb.
(python-pdbtrack-comint-output-filter-function): Unset/set
tracking buffer if looking at pdb prompt; finish pdbtracking
session if filename of current stack frame starts with
"<" e.g. "<stdin>".
(python-pdbtrack-comint-output-filter-function): Don't override
overlay-arrow-string.
(python-pdbtrack-setup-tracking): New function.
(inferior-python-mode): Use it.
(python-pdbtrack-stacktrace-info-regexp): Default value is changed.
Must also match lines with filename like "<stdin>" and "<string>".
* etc/NEWS: Mention python-pdbtrack-kill-buffers

; * etc/NEWS: Minor copyedits in the Fido mode entry.

Make ange-ftp fit for tramp-tests

* lisp/net/ange-ftp.el (ange-ftp-repaint-minibuffer): Use empty message.
(ange-ftp-quote-string): Unquote the string.
(ange-ftp-substitute-in-file-name, ange-ftp-access-file)
(ange-ftp-copy-directory, ange-ftp-make-symbolic-link)
(ange-ftp-add-name-to-file): New defuns.  Set 'ange-ftp property.
(ange-ftp-real-substitute-in-file-name)
(ange-ftp-real-copy-directory): New defuns.
(ange-ftp-file-name-as-directory): Care about `non-essential'.
(ange-ftp-file-attributes): Handle ID-STRING.
(ange-ftp-copy-file-internal, ange-ftp-rename-file)
(ange-ftp-make-directory): Improve error handling.
(ange-ftp-insert-directory): Initialize SWITCHES if they are nil.

* test/lisp/net/tramp-tests.el (ange-ftp-make-backup-files): Declare.
(tramp-test39-make-nearby-temp-file, tramp--test-ange-ftp-p): New defun.
(tramp-test05-expand-file-name-relative)
(tramp-test06-directory-file-name, tramp-test10-write-region)
(tramp-test11-copy-file, tramp-test12-rename-file)
(tramp-test17-insert-directory)
(tramp-test26-file-name-completion)
(tramp-test37-make-auto-save-file-name)
(tramp-test38-find-backup-file-name)
(tramp--test-special-characters): Use it.

Clean up major mode check in package-menu-mode

* lisp/emacs-lisp/package.el (package--ensure-package-menu-mode):
Extract function to warn about incorrect major mode...
(package-menu-toggle-hiding, package-menu-refresh)
(package-menu-execute): ...from here.
(package-menu--mark-upgrades-1): And here, but move call...
(package-menu-mark-upgrades): ...here instead.
(package-menu-hide-package, package-menu-mark-delete)
(package-menu-mark-install, package-menu-mark-unmark)
(package-menu-quick-help, package-menu-get-status)
(package-menu-filter-by-keyword, package-menu-filter-by-name)
(package-menu-clear-filter): Add call to new function.  (Bug#37891)

Test that comint-password-prompt-regexp matches "git push"

* test/lisp/comint-tests.el (comint-testsuite-password-strings): Test
that 'comint-password-prompt-regexp' matches 'git push'
output.  (Bug#20910)

* lisp/dired-aux.el (dired-vc-rename-file): New defcustom.

(dired-rename-file): Call vc-rename-file when dired-vc-rename-file is non-nil.

* lisp/vc/vc.el (vc-rename-file): Allow renaming added files.
Call vc-file-clearprops on new file too for the case when
old and new files were renamed to each other back and forth.

https://lists.gnu.org/archive/html/emacs-devel/2019-11/msg00069.html

* lisp/tab-bar.el (tab-bar-history-old): Rename from tab-bar-history-current.

(tab-bar-history-old-minibuffer-depth):
Rename from tab-bar-history--minibuffer-depth.

* lisp/tab-line.el: More configurability for tab buffer groups.

* lisp/tab-line.el (tab-line-tabs-buffer-group-function)
(tab-line-tabs-buffer-group-sort-function)
(tab-line-tabs-buffer-groups-sort-function): New defvars.
(tab-line-tabs-buffer-group-name): Rename from
tab-line-tabs-buffer-groups--name and use tab-line-tabs-buffer-group-function.
(tab-line-tabs-buffer-groups): Use tab-line-tabs-buffer-groups-sort-function
and tab-line-tabs-buffer-group-sort-function.
(tab-line-new-tab): Let bind tab-line-tabs-buffer-groups to
mouse-buffer-menu-mode-groups.

Simplify fixnum division slightly

* src/data.c (arith_driver): Streamline fixnum division a bit
more, and add a comment about why overflow is impossible.
This responds to a private comment by Stefan Monnier.

Add a full set of CC Mode language variables to js.el.

This will allow js.el to work after maintenance changes in CC Mode, e.g. the
fix to bug #11165.

* lisp/progmodes/js.el (top level): Create a CC Mode derived language called
js-mode and based on Java Mode.
(js-mode): call c-init-language-vars for js-mode.  Remove the direct settings
of several CC Mode language variables which are now defined through the
derived language mechanism.  Call c-set-style and set up the needed style
variables c-block-comment-prefix and c-comment-prefix-regexp.

Minor fix in the Emacs manual

* doc/emacs/msdos.texi (ls in Lisp): Fix the description of
'ls-lisp-verbosity'.  (Bug#38077)

time-stamp: add support for time zone numeric offset

* time-stamp.el: Implement %:z as expanding to the numeric time zone
offset, to address the feature request of bug#32931.  Do not document it
yet, to discourage compatibility problems in mixed Emacs 26 and Emacs 27
environments.  Documentation will be added in a subsequent release at
least two years later.  (We cannot yet use %z for numeric time zone
because in Emacs 26 it was documented to do something else.)

* time-stamp-tests.el (time-stamp-test-format-time-zone): expand this
test and break it into two tests, time-stamp-test-format-time-zone-name
and time-stamp-test-format-time-zone-offset.

More error checks in Tramp's make-directory

* lisp/net/tramp-adb.el (tramp-adb-handle-make-directory):
* lisp/net/tramp-gvfs.el (tramp-gvfs-handle-make-directory):
* lisp/net/tramp-sh.el (tramp-sh-handle-make-directory):
* lisp/net/tramp-smb.el (tramp-smb-handle-make-directory):
* lisp/net/tramp-sudoedit.el (tramp-sudoedit-handle-make-directory):
Signal `file-already-exists' if DIR exists.

* test/lisp/net/tramp-tests.el (tramp-test04-substitute-in-file-name):
Fix thinko.
(tramp-test13-make-directory, tramp-test14-delete-directory)
(tramp-test15-copy-directory): Extend tests.

Fix problem with my last commit in package.el

* lisp/emacs-lisp/package.el (package-menu--refresh-archives): Rename
from duplicated name package-menu--refresh.  (Bug#38084)
(package-menu-mode, list-packages): Use new name.

Update from Gnulib

This incorporates:
2019-10-24 timespec-add, timespec-sub: simplify
* lib/timespec-add.c, lib/timespec-sub.c:
Copy from Gnulib.

Remove unneeded overflow check in integer division

* src/data.c (arith_driver): Remove unnecessary runtime test,
since integer overflow is impossible on division of fixnums,
given that the worst case is MOST_NEGATIVE_FIXNUM / -1 which is
representable as an EMACS_INT (albeit not as a fixnum).

Avoid changing value of defcustom package-enable-at-startup

* lisp/emacs-lisp/package.el (package--activated): New variable to
avoid changing value of defcustom 'package-enable-at-startup'.
(package-initialize): Don't set 'package-enable-at-startup'.
(package-initialize, package-activate-all): Set 'package--activated'
instead of 'package-enable-at-startup'.
(package--initialized): Add doc string.

* lisp/startup.el (command-line): Check if 'package--activated' is
non-nil before activating packages.

* doc/lispref/package.texi (Packaging Basics): Update docs.

Make 'g' refresh package data in package menu

* lisp/emacs-lisp/package.el (package-menu--refresh): Rename from
'package-menu-refresh', make internal and non-interactive.
(package-menu-mode-map, package-menu-mode-menu, package-menu-mode)
(list-packages): Use the above.  (Bug#35504)
(package-menu-refresh): Redefine as obsolete fuction alias for
'revert-buffer'.
* doc/emacs/package.texi (Package Menu): Document it.
* etc/NEWS: Announce it.

Rename *-multiframe-window to *-window-any-frame

Suggested by Drew Adams.

* lisp/frame.el
(next-multiframe-window): Define as obsolete alias for...
(next-window-any-frame): ...new function name.
(previous-multiframe-window): Define as obsolete alias for...
(previous-window-any-frame): ...new function name.  (Bug#12436)

* lisp/term/ns-win.el (global-map): Use new command name.
* doc/emacs/windows.texi (Other Window): Document it.
* etc/NEWS: Announce it.