Replace insignificant backquotes

Replace most insignificant occurrences of '`' with a straight quote,
sharp quote or nothing.  This includes backquotes in 'pcase' patterns.

* admin/admin.el:
* lisp/apropos.el:
* lisp/arc-mode.el:
* lisp/auth-source.el:
* lisp/avoid.el:
* lisp/bindings.el:
* lisp/bs.el:
* lisp/calculator.el:
* lisp/calendar/todo-mode.el:
* lisp/cedet/semantic.el:
* lisp/cedet/semantic/analyze/debug.el:
* lisp/cedet/semantic/bovine.el:
* lisp/cedet/semantic/dep.el:
* lisp/cedet/semantic/grammar.el:
* lisp/cedet/semantic/wisent/comp.el:
* lisp/cedet/semantic/wisent/grammar.el:
* lisp/cedet/srecode/mode.el:
* lisp/cus-edit.el:
* lisp/doc-view.el:
* lisp/elec-pair.el:
* lisp/electric.el:
* lisp/emacs-lisp/autoload.el:
* lisp/emacs-lisp/benchmark.el:
* lisp/emacs-lisp/byte-opt.el:
* lisp/emacs-lisp/bytecomp.el:
* lisp/emacs-lisp/cconv.el:
* lisp/emacs-lisp/cl-extra.el:
* lisp/emacs-lisp/cl-generic.el:
* lisp/emacs-lisp/cl-macs.el:
* lisp/emacs-lisp/copyright.el:
* lisp/emacs-lisp/debug.el:
* lisp/emacs-lisp/eieio-compat.el:
* lisp/emacs-lisp/ert.el:
* lisp/emacs-lisp/generator.el:
* lisp/emacs-lisp/inline.el:
* lisp/emacs-lisp/macroexp.el:
* lisp/emacs-lisp/map.el:
* lisp/emacs-lisp/package-x.el:
* lisp/emacs-lisp/package.el:
* lisp/emacs-lisp/radix-tree.el:
* lisp/emacs-lisp/smie.el:
* lisp/epa.el:
* lisp/erc/erc-dcc.el:
* lisp/erc/erc-track.el:
* lisp/erc/erc.el:
* lisp/eshell/em-ls.el:
* lisp/eshell/esh-cmd.el:
* lisp/files.el:
* lisp/filesets.el:
* lisp/font-lock.el:
* lisp/frameset.el:
* lisp/gnus/gnus-agent.el:
* lisp/gnus/gnus-art.el:
* lisp/gnus/gnus-cite.el:
* lisp/gnus/gnus-group.el:
* lisp/gnus/gnus-msg.el:
* lisp/gnus/gnus-salt.el:
* lisp/gnus/gnus-srvr.el:
* lisp/gnus/gnus-sum.el:
* lisp/gnus/gnus-topic.el:
* lisp/gnus/gnus-util.el:
* lisp/gnus/gnus.el:
* lisp/gnus/message.el:
* lisp/gnus/mm-util.el:
* lisp/gnus/mml.el:
* lisp/gnus/nnheader.el:
* lisp/gnus/nnimap.el:
* lisp/gnus/nnmairix.el:
* lisp/gnus/spam.el:
* lisp/hexl.el:
* lisp/hi-lock.el:
* lisp/ibuf-ext.el:
* lisp/ibuffer.el:
* lisp/ido.el:
* lisp/info.el:
* lisp/international/mule-cmds.el:
* lisp/international/mule-util.el:
* lisp/json.el:
* lisp/jsonrpc.el:
* lisp/language/cyrillic.el:
* lisp/language/european.el:
* lisp/language/georgian.el:
* lisp/language/tibetan.el:
* lisp/language/utf-8-lang.el:
* lisp/language/vietnamese.el:
* lisp/ldefs-boot.el:
* lisp/mail/mail-extr.el:
* lisp/man.el:
* lisp/menu-bar.el:
* lisp/mh-e/mh-acros.el:
* lisp/mh-e/mh-folder.el:
* lisp/mh-e/mh-mime.el:
* lisp/mh-e/mh-show.el:
* lisp/mh-e/mh-speed.el:
* lisp/minibuffer.el:
* lisp/mpc.el:
* lisp/net/ange-ftp.el:
* lisp/net/hmac-def.el:
* lisp/net/newst-backend.el:
* lisp/net/quickurl.el:
* lisp/net/tramp-archive.el:
* lisp/net/tramp-compat.el:
* lisp/notifications.el:
* lisp/obsolete/pgg-parse.el:
* lisp/obsolete/vc-arch.el:
* lisp/obsolete/xesam.el:
* lisp/org/ob-C.el:
* lisp/org/ob-core.el:
* lisp/org/ob-exp.el:
* lisp/org/ob-groovy.el:
* lisp/org/ob-haskell.el:
* lisp/org/ob-io.el:
* lisp/org/ob-lisp.el:
* lisp/org/ob-lob.el:
* lisp/org/ob-lua.el:
* lisp/org/ob-octave.el:
* lisp/org/ob-perl.el:
* lisp/org/ob-python.el:
* lisp/org/ob-ref.el:
* lisp/org/ob-ruby.el:
* lisp/org/ob-sql.el:
* lisp/org/org-agenda.el:
* lisp/org/org-capture.el:
* lisp/org/org-clock.el:
* lisp/org/org-colview.el:
* lisp/org/org-duration.el:
* lisp/org/org-element.el:
* lisp/org/org-entities.el:
* lisp/org/org-gnus.el:
* lisp/org/org-indent.el:
* lisp/org/org-info.el:
* lisp/org/org-inlinetask.el:
* lisp/org/org-lint.el:
* lisp/org/org-list.el:
* lisp/org/org-mouse.el:
* lisp/org/org-plot.el:
* lisp/org/org-src.el:
* lisp/org/org-table.el:
* lisp/org/org.el:
* lisp/org/ox-ascii.el:
* lisp/org/ox-html.el:
* lisp/org/ox-latex.el:
* lisp/org/ox-man.el:
* lisp/org/ox-md.el:
* lisp/org/ox-org.el:
* lisp/org/ox-publish.el:
* lisp/org/ox-texinfo.el:
* lisp/org/ox.el:
* lisp/play/bubbles.el:
* lisp/play/gamegrid.el:
* lisp/progmodes/autoconf.el:
* lisp/progmodes/cc-defs.el:
* lisp/progmodes/cc-engine.el:
* lisp/progmodes/cc-fonts.el:
* lisp/progmodes/cc-langs.el:
* lisp/progmodes/cperl-mode.el:
* lisp/progmodes/ebrowse.el:
* lisp/progmodes/elisp-mode.el:
* lisp/progmodes/flymake-cc.el:
* lisp/progmodes/flymake.el:
* lisp/progmodes/fortran.el:
* lisp/progmodes/grep.el:
* lisp/progmodes/gud.el:
* lisp/progmodes/idlwave.el:
* lisp/progmodes/js.el:
* lisp/progmodes/m4-mode.el:
* lisp/progmodes/make-mode.el:
* lisp/progmodes/mixal-mode.el:
* lisp/progmodes/modula2.el:
* lisp/progmodes/octave.el:
* lisp/progmodes/opascal.el:
* lisp/progmodes/prolog.el:
* lisp/progmodes/ps-mode.el:
* lisp/progmodes/python.el:
* lisp/progmodes/ruby-mode.el:
* lisp/progmodes/sh-script.el:
* lisp/progmodes/sql.el:
* lisp/progmodes/verilog-mode.el:
* lisp/ps-mule.el:
* lisp/rtree.el:
* lisp/ruler-mode.el:
* lisp/ses.el:
* lisp/simple.el:
* lisp/startup.el:
* lisp/subr.el:
* lisp/term/ns-win.el:
* lisp/textmodes/bibtex.el:
* lisp/textmodes/conf-mode.el:
* lisp/textmodes/css-mode.el:
* lisp/textmodes/refill.el:
* lisp/textmodes/sgml-mode.el:
* lisp/textmodes/tex-mode.el:
* lisp/tutorial.el:
* lisp/url/url-dav.el:
* lisp/url/url-gw.el:
* lisp/url/url-http.el:
* lisp/url/url-methods.el:
* lisp/url/url-privacy.el:
* lisp/vc/cvs-status.el:
* lisp/vc/diff-mode.el:
* lisp/vc/ediff-init.el:
* lisp/vc/ediff-ptch.el:
* lisp/vc/log-edit.el:
* lisp/vc/log-view.el:
* lisp/vc/pcvs-info.el:
* lisp/vc/pcvs.el:
* lisp/vc/smerge-mode.el:
* lisp/vc/vc-git.el:
* lisp/vc/vc-hg.el:
* lisp/vc/vc-mtn.el:
* lisp/vc/vc-rcs.el:
* lisp/whitespace.el:
* lisp/window.el:
* test/lisp/electric-tests.el:
* test/lisp/emacs-lisp/cl-lib-tests.el:
* test/lisp/emacs-lisp/ert-tests.el:
* test/lisp/epg-tests.el:
* test/lisp/jsonrpc-tests.el:
* test/src/data-tests.el:
* test/src/json-tests.el: Replace most insignificant backquotes.

; Remove wrongly committed file nt/gnulib.mk

Handle narrowing when marking entries of included diary files

* lisp/calendar/diary-lib.el (diary-mark-entries): Widen before
marking entries (bug#33423).

Add new Isearch commands to new Isearch menu (bug#29321, bug#32990)

* lisp/isearch.el (isearch-menu-bar-map): Add menu items for
isearch-beginning-of-buffer and isearch-end-of-buffer.
(isearch-forward): Add them to docstring.

Merge from origin/emacs-26

9877c03 (origin/emacs-26) Fix bug #33416, where typing a ) in a comme...

; Merge from origin/emacs-26

The following commit was skipped:

25a4205 Update the calc units table

Merge from origin/emacs-26

56e3e4f Improve indexing in the ELisp manual
7a4992a More Symbola-related extensions for default fontset
4ae0a75 Better support for display of U+1F900..U+1F9FF block
8f0c788 Improve documentation of 'edit-abbrevs-mode'
3c643e7 ; NEWS tweak
477414a Improve documentation of 'dired-do-compress'
9c09b1d ; * etc/NES: Minor change in the description of Dired's 'Z'.
52715e3 Improve doc string and display of 'describe-character'
93242b1 * etc/NEWS: Clarify what 'Z' does in Dired.  (Bug#33450)
0d59ae3 Update the docs of object internals

Conflicts:
etc/NEWS

Merge branch 'master' of git.sv.gnu.org:/srv/git/emacs

Add Tramp rclone method

* doc/misc/tramp.texi (Top): Remove "History".
(History): Remove node.
(Quick Start Guide): New section "Using rclone".
(External methods) <rclone>: Describe.

* etc/NEWS: Mention Tramp rclone method.

* lisp/net/tramp-rclone.el: New file.

Revert patch in tramp-equal-remote

* lisp/net/tramp-sh.el (tramp-timeout-session):
Use `tramp-file-name-equal-p'.

* lisp/net/tramp.el (tramp-equal-remote): Revert patch.

Add tool-bar and menu-bar menu for Isearch (Bug#32990)

* etc/NEWS (Search and Replace): Mention this change.

* lisp/isearch.el: Declare the new, non-autoloaded function
'tmm-menubar-keymap'.
(isearch-tmm-menubar): New function.
(isearch-menu-bar-commands): New variable.
(isearch-menu-bar-yank-map, isearch-menu-bar-map): New variables.
(isearch-mode-map): Define a menu-bar search menu and remap
'tmm-menubar' bindings to point to 'isearch-tmm-menubar'.
(isearch-tool-bar-old-map): New variable.
(isearch-tool-bar-image): New function.
(isearch-tool-bar-map): New variable.
(minor-mode-map-alist): Add an entry for Isearch so that
'isearch-menu-bar-map' shows during search.
(isearch-mode, isearch-done): Save and restore possible
buffer-local 'tool-bar-map' using 'isearch-tool-bar-old-map'.
(iseacrh-mouse-commands): New variable.
(isearch-mouse-leave-buffer): Allow commands in
isearch-mouse-commands.
(with-isearch-suspended): Only push changed states of Isearch
after running the body argument of this macro.
(isearch-pre-command-hook): Additionally allow bindings in
'isearch-tool-bar-map' to pass through, as well as commands
in isearch-menu-bar-commands.
(isearch-post-command-hook): Call 'force-mode-line-update' at its
end to make sure the menu- and tool-bars are up-to-date.

* lisp/tmm.el (tmm-menubar-keymap): New function factored out from
'tmm-menubar'.
(tmm-menubar): Use 'tmm-menubar-keymap'.
(tmm-prompt): New optional argument 'no-execute'.

Remove find-file-noselect in Tramp, it was handled in XEmacs

* lisp/net/tramp.el (tramp-file-name-for-operation):
Remove `find-file-noselect'.

Fix bug #33416, where typing a ) in a comment at EOB caused a loop (CC Mode).

* lisp/progmodes/cc-mode.el (c-fl-decl-start): A c-forward-syntactic-ws leaves
point inside whitespace when moving over a comment at EOB which has no
terminating LF.  Check this possibility and correct for it.

Update the calc units table

On 2018-11-16, the 26th meeting of the General Conference on Weights
and Measures (CGPM) has redefined the International System of Units by
adopting fixed values for the Planck constant, the elementary charge,
the Boltzmann constant, and the Avogadro constant:
https://www.bipm.org/utils/en/pdf/CGPM/Draft-Resolution-A-EN.pdf

* lisp/calc/calc-units.el (math-standard-units): Update according
to redefinition of the SI in 2018.  (Bug#33412)

Improve indexing in the ELisp manual

* doc/lispref/control.texi (Control Structures, Sequencing)
(Conditionals, Iteration, Catch and Throw, Handling Errors)
(Cleanups):
* doc/lispref/eval.texi (Self-Evaluating Forms)
(Symbol Forms, Function Forms, Macro Forms, Special Forms)
(Quoting, Backquote): Add index entries that begin with
"forms".  (Bug#33440)

More Symbola-related extensions for default fontset

* lisp/international/fontset.el (setup-default-fontset): Add
few more blocks of symbols and punctuation supported by latest
Symbola.

Better support for display of U+1F900..U+1F9FF block

* lisp/international/fontset.el (setup-default-fontset): Add
the [#x1F900..#x1F9FF] block to those supported by Symbola.

Provide new gnus-mode, derive all gnus major modes from this

* lisp/gnus/gnus.el (gnus-mode): New do-nothing major mode, derived
  from special mode.
* lisp/gnus/gnus-sum.el (gnus-summary-mode): Change from a function to
  a major mode, derive from gnus-mode.
  (gnus-summary-setup-buffer): Change call a bit -- can no longer pass
  an argument to the mode function.
* lisp/gnus/gnus-srvr.el (gnus-browse-mode): Derive from gnus-mode.
  (gnus-server-setup-buffer): Remove unnecessary function.
  (gnus-enter-server-buffer): Call gnus-server-mode here, and call it
  whether the server buffer already existed or not.
  (gnus-server-mode): Change from a function to a major mode.
  (gnus-server-mode-hook): Delete custom option, this is automatically
  created.
* lisp/gnus/gnus-salt.el (gnus-tree-mode): Derive from gnus-mode.
  (gnus-tree-mode-hook): Delete custom option, this is automatically
  created.
* lisp/gnus/gnus-kill.el (gnus-kill-file-mode-hook): Delete custom
  option.
* lisp/gnus/gnus-group.el (gnus-group-mode):
* lisp/gnus/gnus-art.el (gnus-article-mode):
* lisp/gnus/gnus-agent.el (gnus-category-mode): Derive from gnus-mode.
  (gnus-category-mode-hook): Delete custom option.

(Bug#33263)

search.texi fix for leftover from C-M-w to C-M-d change

* doc/emacs/search.texi: Replace C-M-w with C-M-d.

Improve documentation of 'edit-abbrevs-mode'

* lisp/abbrev.el (edit-abbrevs-mode): Refer to 'edit-abbrevs'
for more detailed usage information.  (Bug#33443)
(edit-abbrevs): Doc fix.

Avoid compilation warning in emacsclient.c

* lib-src/emacsclient.c (set_tcp_socket): Avoid compilation
warning in MS-Windows build.

emacsclient: fix child exit when exec fails

* lib-src/emacsclient.c (start_daemon_and_retry_set_socket):
If the execvp of Emacs fails exit instead of having the child
run on and do the work of the parent.  Coalesce duplicate code.

emacsclient: one ‘main’ function

* lib-src/emacsclient.c (main): Simplify by having just one
‘main’ function instead of two.  Don’t assume argc is positive (!).

emacsclient: tidy socket failure cleanup

* lib-src/emacsclient.c (set_tcp_socket, set_local_socket):
Close socket (instead of leaking it) when ‘connect’ fails.
(socket_status): Return errno if stat fails and -1 if we don’t own.
(set_local_socket): Simplify based on socket_status change.

; NEWS tweak

Add Isearch commands for going to absolute occurrence of matches (bug#29321)

* lisp/isearch.el (isearch-mode-map): Bind 'M-s M-<' to
'isearch-beginning-of-buffer' and 'isearch-end-of-buffer' to 'M-s M->'.
(isearch-beginning-of-buffer, isearch-end-of-buffer): New commands.

Improve documentation of 'dired-do-compress'

* lisp/dired-aux.el (dired-do-compress): Describe in the doc
string the effect on directories and on compressed archive.
(Bug#33450)

; * etc/NES: Minor change in the description of Dired's 'Z'.

emacsclient: coalesce WINDOWSNT-specific code

* lib-src/emacsclient.c (sock_err_message) [WINDOWSNT]:
Do nothing if w32_window_app () && alternate_editor.
Both callers changed.

emacsclient: sockaddr portability fixes

* lib-src/emacsclient.c (get_server_config, set_tcp_socket)
(set_local_socket): Initialize any platform-specific extensions
of struct to zero, just in case.
(set_tcp_socket, set_local_socket): Don’t assume struct
layout details that POSIX does not specify.
Use union to sidestep some problems with strict aliasing.
Remove unnecessary casts.

Some minor Tramp cleanups

* lisp/net/tramp-adb.el (tramp-adb-file-name-p):
* lisp/net/tramp-ftp.el (tramp-ftp-file-name-p):
* lisp/net/tramp-smb.el (tramp-smb-file-name-p): Make it more robust.

* lisp/net/tramp.el (tramp-handle-file-truename): Cache only the
localname.

Improve doc string and display of 'describe-character'

* lisp/descr-text.el (describe-char): Explain how does the
function obtain the various data about the character.  Don't
display "preferred" before "charset": it tends to confuse
people.

emacsclient: getopt minor cleanup

* lib-src/emacsclient.c (shortopts): New constant.
(decode_options): Use it.  Do not assume EOF == -1.

emacsclient: omit EXTRA_SPACE guesswork

* lib-src/emacsclient.c: Include <intprops.h>.
(EXTRA_SPACE): Remove; code no longer guesses this is enough.
(open_config): New function.
(get_server_config): Use it.
(set_local_socket): Compute upper bound of buffer size
instead of guessing via EXTRA_SPACE.

Add prefix arg to isearch-forward-symbol-at-point (bug#29321)

* lisp/isearch.el (isearch-forward-symbol-at-point): Add optional arg.

emacsclient: take more care with int width

* lib-src/emacsclient.c: Include inttypes.h, stddef.h.
(emacs_pid, main): Don’t assume pid fits in int.
(fail): Don’t assume pointer difference fits in int.
(set_local_socket): Don’t assume uid fits in long.

emacsclient.c: use C99 to avoid {}

* lib-src/emacsclient.c (set_local_socket):
Assume C99 decl-after-statement and reindent.

emacsclient: improve use of locals

* lib-src/emacsclient.c (main):
Use smaller scopes for some locals.

emacsclient: fix unlikely crash with "&"

* lib-src/emacsclient.c (quote_argument):
Mention *DATA in comment so it’s clear DATA must be non-null.
(quote_argument, unquote_argument): Simplify.
(unquote_argument): Don’t crash if the string ends in "&".

Fix "Allow use of Gnus search groups as notmuch path: search term"

* lisp/gnus/nnir.el (nnir-notmuch-filter-group-names-function):
  Default to nil -- getting correct behavior requires user
  intervention too often to have this enabled by default.
* lisp/gnus/nnir.el (nnir-run-notmuch): If the user has turned this
  on, then also hardcode `gnus-group-short-name' as a filter -- things
  will never work without it. Also move leading space to before the
  opening parenthesis.
* doc/misc/gnus.texi: Document option.

(Bug#33122)

Check Gnus group names when reading from browse server

* lisp/gnus/gnus-srvr.el (gnus-browse-read-group): If the group in
  question belongs to the native server, the name has to be shortened
  before we check it with `gnus-get-info'. It might work otherwise
  with nntp, but for backends like nnmaildir that have their own
  accounting system, creating an ephemeral group won't work.

* doc/misc/tramp.texi: Fix last commit.

* etc/NEWS: Clarify what 'Z' does in Dired.  (Bug#33450)

Let Tramp sudo sessions expire after a timeout

* doc/misc/tramp.texi (Inline methods) <sudo, doas>: Both methods expire
the underlying session per default.
(Predefined connection information): Explain "session-timeout".

* etc/NEWS: Mention Tramp session expiration.

* lisp/net/tramp-sh.el (tramp-methods) <sudo, doas>:
Add `tramp-session-timeout'.
(tramp-timeout-session): New defun.
(tramp-maybe-open-connection): Handle session timeout.

* lisp/net/tramp.el (tramp-methods): Adapt docstring.
(tramp-equal-remote): Extend.

Add prefix arg to isearch-repeat-forward/backward (bug#14563, bug#29321)

* lisp/isearch.el (isearch-repeat): Add optional arg COUNT.
Add a while-loop that calls `isearch-search' COUNT times.
(isearch-repeat-forward, isearch-repeat-backward):
Add optional prefix ARG passed down to `isearch-repeat'.
Handle reversed directions.

calc.el, calc-(ext|poly), calccomp: Use lexical-binding

* lisp/calc/calc-ext.el: Use lexical-binding, silence warnings.
(calc-init-extensions): Remove a few functions which can't be called
directly since they depend on dynamically scoped vars.
(calc-embedded-quiet): Declare.
(math-defcache): Use 'declare'.
(math-normalize-a): Remove declaration.
(math-normalize-nonstandard): Receive 'a' as arg instead.
(math-defintegral): Use 'declare'.
(math-exp-pos, math-exp-old-pos, math-exp-keep-spaces, math-rb-h2)
(math-read-big-baseline, math-read-big-h2, math-read-big-err-msg)
(math-exp-token, math-expr-data, math-exp-str): Declare.
(math-map-tree, math-read-expr): Avoid dynvars as formal arguments.

* lisp/calc/calc-poly.el: Use lexical-binding, silence warnings.
Turn some comments into docstrings.
(math-poly-div): Avoid dynvars as formal arguments.
(math-poly-base-top-expr): Move declaration before first use.
(calcFunc-factors, math-factor-expr, math-factor-expr-try)
(calcFunc-factor): Avoid dynvars as formal arguments.

* lisp/calc/calc.el: Use lexical-binding, silence warnings.
(math-normalize-a): Remove.
(math-normalize): Use lexical var 'a' instead.
(math-svo-c): Remove.
(math-stack-value-offset): Pass 'c' explicitly as arg to
math-stack-value-offset-fancy instead.

* lisp/calc/calccomp.el: Use lexical-binding, silence warnings.
(math-svo-c): Remove.
(math-stack-value-offset-fancy): Use new arg 'c' instead.
(math-comp-to-string-flat): Avoid dynvars as formal arguments.

Update the docs of object internals

* doc/lispref/internals.texi (Buffer Internals)
(Window Internals, Process Internals): Update the descriptions
of Lisp objects.

Merge from origin/emacs-26

d667318 (origin/emacs-26) Fix two Edebug defcustoms (bug#33428)

; Merge from origin/emacs-26

The following commit was skipped:

b8b42c2 Fix Bug#33141

Merge from origin/emacs-26

070e82b ; * src/window.c (window_scroll): Improve commentary.
60457d7 Improve documentation of the window tree
ea1a014 Fix window scrolling on TTY frames when there's no mode line
df7ed10 Fix decoding XML files encoded in ISO-8859
7851ae8 (tag: emacs-26.1.90) ; ChangeLog.3 update
1958808 * etc/AUTHORS: Update.
7252507 Fix description of some window hooks
88762b4 Run 'window--adjust-process-windows' when frame size changes ...
d6542ea Avoid errors in zone.el when there's overlay at EOB

* lisp/calc/calc-alg.el: Use lexical-binding and silence warnings

* lisp/calc/calc-alg.el: Use lexical-binding and silence warnings.
(math-defsimplify): Let-bind 'expr' instead of math-simplify-expr.
Adjust all users.
(math-simplify-expr): Don't declare any more.
(math--simplify-divide-expr): New dynbound var.
(math-simplify-divide): Bind it when needed.
(math-simplify-divisor): Use it instead of math-simplify-expr.
(math-simplify-divisor): Only bind math-simplify-divisor-[nd]over
around the calls to math-simplify-one-divisor.
(math-expr-subst, math-is-polynomial): Don't use dynbound vars as
formal arguments.
(math-polynomial-base): Move binding of math-poly-base-pred.
Don't bind math-poly-base-top-expr any more...
* lisp/calc/calc-poly.el (math-total-polynomial-base): Bind it here instead!

* lisp/calc/calc-units.el: Use lexical-binding and silence warnings.
Adjust to the new 'expr' name in math-defsimplify.
(math-find-base-units, math-to-standard-units, math-convert-units):
Don't use dynbound vars as formal arguments.
(math-simplify-expr): Don't declare any more.

Remove space from end of coding cookie

* lisp/bookmark.el (bookmark-insert-file-format-version-stamp):
Remove unnecessary space from end of coding cookie.

Fix two Edebug defcustoms (bug#33428)

* lisp/emacs-lisp/edebug.el (edebug-print-length)
(edebug-print-level): Fix customization type to allow setting
the documented valid value nil via the Customize interface.

Fix Bug#33141

* lisp/net/tramp.el (tramp-make-tramp-file-name): Avoid check for
empty method with simplified `tramp-syntax'.  (Bug#33141)

Fix last change

* lib-src/emacsclient.c (start_daemon_and_retry_set_socket)
[!WINDOWSNT]: Condition usage of socket_name on
NO_SOCKETS_IN_FILE_SYSTEM being undefined.

Avoid compiler warning in emacsclient.c

* lib-src/emacsclient.c (socket_name): Define only if
NO_SOCKETS_IN_FILE_SYSTEM is not defined, to avoid a compiler
warning.

emacsclient.c: file name component fixes

* lib-src/emacsclient.c: Include <dosname.h>.
(file_name_absolute_p): Remove, as a code duplicate.
All uses replaced by IS_ABSOLUTE_FILE_NAME.
(set_local_socket): Don’t treat \ as a file name separator
on GNU and POSIX hosts.

emacsclient.c: reindent to fit in 80

* lib-src/emacsclient.c: Reindent slightly.

emacsclient.c: use C99 better

* lib-src/emacsclient.c (get_current_dir_name)
(send_to_emacs, set_tcp_socket, set_local_socket, main):
Take advantage of C99 stmt before decl.

emacsclient.c: use STDOUT_FILENO

* lib-src/emacsclient.c (find_tty, handle_sigcont, main):
Use STDOUT_FILENO instead of fileno (stdout) or magic 1.

emacsclient.c: use bool for boolean

* lib-src/emacsclient.c (nowait, quiet, suppress_output, eval, tty)
(decode_options, file_name_absolute_p, get_server_config)
(strprefix, find_tty, set_socket, main):
Use bool for boolean.
(create_frame): New static var, replacing the old current_frame
and with inverted sense, as this is clearer.

emacsclient.c: make identifiers more local

* lib-src/emacsclient.c (progname, main_argc, main_argv):
(nowait, quiet, suppress_output, eval, current_frame, display):
(alt_display, parent_id, tty, alternate_editor, socket_name):
(server_file, tramp_prefix, emacs_pid, frame_parameters):
(longopts, xstrdup, send_bufffer, sblen, emacs_socket):
Now static.
(SEND_BUFFER_SIZE, send_buffer, sblen):
Now local to send_to_emacs.

emacsclient.c: clean up preprocessing directives

* lib-src/emacsclient.c [WINDOWSNT]: Omit duplicate stdlib.h include.
Include min-max.h.
(EXIT_SUCCESS, EXIT_FAILURE, min): Remove; no longer needed.
(AUTH_KEY_LENGTH, SEND_BUFFER_SIZE): Now constants instead of macros.

; * src/window.c (window_scroll): Improve commentary.

Improve documentation of the window tree

* doc/lispref/windows.texi (Windows and Frames): More accurate
wording regarding the relation of a mini-window to its frame's
window tree.

* src/window.h (struct window): Improve commentary to some
fields.

Fix window scrolling on TTY frames when there's no mode line

* src/window.c (window_internal_height): Remove tests for
next, prev, and parent pointers, as they are unrelated to
whether a window has a mode line.  (Bug#33363)

Fix decoding XML files encoded in ISO-8859

* lisp/international/mule.el (sgml-xml-auto-coding-function):
Avoid signaling an error from coding-system-equal when the XML
encoding tag specifies an encoding whose type is 'charset'.
(Bug#33429)

Update the calc units table

On 2018-11-16, the 26th meeting of the General Conference on Weights
and Measures (CGPM) has redefined the International System of Units by
adopting fixed values for the Planck constant, the elementary charge,
the Boltzmann constant, and the Avogadro constant:
https://www.bipm.org/utils/en/pdf/CGPM/Draft-Resolution-A-EN.pdf
* lisp/calc/calc-units.el (math-standard-units): Update according
to redefinition of the SI in 2018.

; ChangeLog.3 update

* etc/AUTHORS: Update.

* mouse.el (mouse-posn-property): Add comment

Remove uses of obsolete 'CUA' symbol property

* lisp/emulation/cua-base.el (cua-scroll-up, cua-scroll-down):
* lisp/progmodes/subword.el (subword-forward, subword-backward):
* lisp/obsolete/crisp.el (crisp-home, crisp-end):
Remove 'CUA' prop; not used any more.

Fix description of some window hooks

* doc/lispref/windows.texi (Window Hooks): Remove text that
warns against using 'save-window-excursion' while running
'window-size-change-functions', it's no more relevant.
Clarify description of 'window-configuration-change-hook'.

Run 'window--adjust-process-windows' when frame size changes (Bug#32720)

* lisp/window.el (window-size-change-functions): Run
'window--adjust-process-windows' from
'window-size-change-functions' too (Bug#32720, "another issue"
in Bug#33230).

Copyright-paperwork-exempt: yes

* lisp/vc/diff-mode.el (diff-find-source-location): Use vc-working-revision

when diff shows changes in working revision.  (Bug#33319)
(diff-goto-source): Rename variables to avoid ambiguity.

Don't exit Isearch while resizing windows with mouse (bug#32990)

* lisp/isearch.el (isearch-mouse-leave-buffer): New function.
(isearch-mode): Use isearch-mouse-leave-buffer instead of
isearch-done for mouse-leave-buffer-hook.
(isearch-done): Remove isearch-mouse-leave-buffer from
mouse-leave-buffer-hook.
(enlarge-window-horizontally, shrink-window-horizontally)
(shrink-window, mouse-drag-mode-line, mouse-drag-vertical-line):
Put property isearch-scroll with t.
(isearch-mode): Reset isearch-pre-scroll-point and
isearch-pre-move-point to nil for the case when Isearch exits
between isearch-pre-command-hook (that sets these values) and
isearch-post-command-hook (that used to reset them).

* src/cmds.c (Fself_insert_command): Get last-command-event via (new) arg.

Avoid errors in zone.el when there's overlay at EOB

* lisp/play/zone.el (zone): Make sure the window-end position
is calculated accurately, to avoid errors from
buffer-substring.  (Bug#33384)

Merge from origin/emacs-26

936a8f3 (origin/emacs-26) Document Emacs 26 behavior of Dired's 'Z' o...
99f99a1 ; Minor editing change in windows.texi
13bb665 Fix a typo in the Emacs manual

# Conflicts:
# etc/NEWS

; Merge from origin/emacs-26

The following commit was skipped:

a306d03 Fix tempfile creation when byte compiling

Merge from origin/emacs-26

edcd6b7 Small documentation correction.
168a8c2 * src/coding.c (Fcheck_coding_systems_region): Doc fix.  (Bug...
3287a7c Fix Bug#33364
acee0a8 ; Cosmetic changes in etc/NEWS
a6ef167 * test/README: Explain $REMOTE_TEMPORARY_FILE_DIRECTORY.

# Conflicts:
# etc/NEWS

; Merge from origin/emacs-26

The following commit was skipped:

b8bbbe5 Avoid kill-emacs-hook errors hanging batch mode

Update from glibc and Gnulib

This incorporates:
2018-11-15 mktime: DEBUG_MKTIME cleanup
2018-11-15 mktime: fix non-EOVERFLOW errno handling
2018-11-15 mktime: fix bug with Y2038 DST transition
2018-11-15 mktime: make more room for overflow
2018-11-15 mktime: simplify offset guess
2018-11-15 mktime: new test for mktime failure
2018-11-15 mktime: fix EOVERFLOW bug
2018-11-13 longlong: fix comment typo
* lib/gnulib.mk.in: Regenerate.
* lib/mktime.c, m4/longlong.m4: Copy from Gnulib.

; Further cosmetic changes in etc/NEWS

Mention ELPA packages which add new methods to Tramp

* doc/misc/tramp.texi (Customizing Methods): Mention ELPA packages
which add new methods to Tramp.

Document Emacs 26 behavior of Dired's 'Z' on directories

* doc/emacs/dired.texi (Operating on Files): Document behavior
of 'Z' on directories.

* etc/NEWS: Belatedly announce the new behavior of Dired's 'Z'
on directory names and on .tar.gz archives.

; Minor editing change in windows.texi

* doc/emacs/windows.texi (Window Convenience): Avoid breaking
line in the middle of a key sequence.

* lisp/windmove.el: Directional window display (bug#32790)

* lisp/windmove.el (windmove-display-no-select): New defcustom.
(windmove-display-in-direction, windmove-display-left)
(windmove-display-up, windmove-display-right)
(windmove-display-down, windmove-display-same-window)
(windmove-display-default-keybindings): New functions.

* lisp/windmove.el: Support more prefix args (bug#32790)

* lisp/windmove.el (windmove-left, windmove-up, windmove-right)
(windmove-down): Use prefix-numeric-value to support more prefix args
like 'C-u' and 'M--'.  Doc fix.

Fix a typo in the Emacs manual

* doc/emacs/rmail.texi (Rmail Deletion): Fix a typo.
Reported by Jorge P. de Morais Neto <jorge+list@disroot.org>
in emacs-manual-bugs@gnu.org

Fix tempfile creation when byte compiling

This improves on the recent fix for master failing to build
on FreeBSD.  Suggested by Stefan Monnier in:
https://lists.gnu.org/r/emacs-devel/2018-01/msg00600.html
* lisp/emacs-lisp/bytecomp.el (byte-compile-file):
Put tempfile next to the target file, as was the original intent.

(cherry picked from commit 64c846738617d1d037eac0cefb6586c04317b0a1)

Fix Bug#33394

* lisp/net/trampver.el (tramp-repository-branch)
(tramp-repository-version): Handle out-of-tree builds.  (Bug#33394)

Isearch hit count.  (Bug#29321)

* lisp/isearch.el (isearch-lazy-count): New defcustom.
(lazy-count): New defgroup.
(lazy-count-prefix-format, lazy-count-suffix-format): New defcustom.
(isearch-lazy-count-format): New function.
(isearch-message-prefix, isearch-message-suffix): Use it.
(isearch-lazy-highlight-window-start-changed)
(isearch-lazy-highlight-window-end-changed)
(isearch-lazy-count-current, isearch-lazy-count-total)
(isearch-lazy-count-hash): New variables.
(isearch-lazy-highlight-new-loop): Reset isearch-lazy-count-total
and update isearch-lazy-count-current for isearch-message.
(isearch-lazy-highlight-update): Run full-buffer loop for
isearch-lazy-count.
(isearch-lazy-highlight-buffer-update): Count isearch-lazy-count-total.
Set isearch-lazy-count-current at the end.

Minor copyedits in documentation of HOME handling

* etc/NEWS: Reword the recent entry regarding the change in
how relative file names are interpreted in $HOME.

* doc/emacs/cmdargs.texi (General Variables): Advise against
using relative directory names in $HOME.

Fix probing for pre-1970 DST

* lisp/calendar/cal-dst.el (calendar-next-time-zone-transition):
Fix recently-introduced rounding bug when probing for DST
transitions before 1970 (Bug#33380).

Document recent change to HOME handling

* doc/emacs/cmdargs.texi (General Variables):
* doc/emacs/custom.texi (Find Init):
* doc/lispref/files.texi (File Name Expansion):
* etc/NEWS: Document behavior when HOME is a relative file name.

Small documentation correction.

* doc/lispref/windows.texi (Textual Scrolling): In the description of
scroll-up-aggressively, refer to scroll-down-aggressively instead of
a recursive reference to scroll-up-aggressively.  (Bug#33369)

* src/coding.c (Fcheck_coding_systems_region): Doc fix.  (Bug#33372)

Fix a thinko in fileio.c

* src/fileio.c (get_homedir): Fix last change.  Suggested by
Paul Eggert <eggert@cs.ucla.edu>.

Fix Bug#33364

* lisp/net/tramp.el (tramp-parse-sconfig-group): Support also
"Host host1 host2 ..." syntax.  (Bug#33364)