Fix some ineffective backslashes in string literals

Deal with lone backslashes that have no effect in string literals,
but indicate that something is amiss.

* lisp/auth-source-pass.el (auth-source-pass-entries):
* lisp/textmodes/artist.el (artist-figlet-get-font-list-windows):
* lisp/org/ob-abc.el (org-babel-expand-body:abc, org-babel-execute:abc):
* lisp/org/ob-forth.el (org-babel-forth-session-execute):
* lisp/vc/vc-git.el (vc-git--program-version):
Add backslash in regexp for correctness.

* lisp/gnus/nnmail.el (nnmail-split-abbrev-alist):
Replace `\||' with `\\|' to follow the obvious regexp intent.

* lisp/org/org-list.el (org-plain-list-ordered-item-terminator):
Add backslash in doc comment so that it appears as intended.

* lisp/progmodes/cc-engine.el (c-forward-decl-or-cast-1, c-end-of-decl-1):
* lisp/progmodes/f90.el (f90-font-lock-keywords-2):
* lisp/progmodes/etags.el (etags-tags-completion-table):
* lisp/progmodes/ruby-mode.el (ruby-syntax-propertize):
* test/lisp/emacs-lisp/cl-print-tests.el (cl-print-tests-1):
Remove superfluous backslashes from regexp.

* test/lisp/emacs-lisp/rx-tests.el (rx-char-any):
Remove superfluous backslash from doc comment.

Improve locale and language environment setting at startup

* lisp/international/mule-cmds.el (locale-language-names): Add
more locales and their language environments.
(set-locale-environment): Use w32-multibyte-code-page, if
non-zero, as locale-coding-system.  (Bug#34684)

* src/w32fns.c (globals_of_w32fns) <w32-multibyte-code-page>:
New variable.

* etc/NEWS: Mention w32-multibyte-code-page.

Bring back Emacs 26 compatibility to flymake.el

* lisp/progmodes/flymake.el (flymake--schedule-timer-maybe):
Revert to using seconds-to-time, since this file is part
of ELPA and needs to work on Emacs 26 too.

Use bool for menu_items_inuse

* src/menu.c (menu_items_inuse): Now bool, instead of a
Lisp_Object that is always Qt or Qnil.  All uses changed.

Customize tabulated-list sort indicators

This allows the user to customize the sorting indicators displayed
near the current column.

* lisp/emacs-lisp/tabulated-list.el (tabulated-list): New group.
(tabulated-list-gui-sort-indicator-asc)
(tabulated-list-gui-sort-indicator-desc)
(tabulated-list-tty-sort-indicator-asc)
(tabulated-list-tty-sort-indicator-desc): New defcustomd.
(tabulated-list-glyphless-char-display): Remove.
(tabulated-list-make-glyphless-char-display-table): New function.

* doc/lispref/modes.texi (Tabulated List Mode): Add documentation
for new options.

* etc/NEWS: Mention the new options.

* etc/NEWS: Document Sami input methods.  (Bug#34866)

Add notice and fix missing character

Add remaining Sami input methods

Add Skolt Sami and Inari Sami input methods

* lisp/doc-view.el (doc-view--text-view-mode): Derive from text-mode.

Fix file attribute accessor typo in Elisp manual

This was introduced in 662bee7d70ccd3903e123b08c7ec9108a1a2ce0b
2018-09-24T01:30:46Z!eggert@cs.ucla.edu.
* doc/lispref/files.texi (File Attributes): Fix typo referring to
wrong file attribute accessor.

* test/lisp/progmodes/python-tests.el
(python-syntax-after-python-backspace): Expect failure again.

; since 5feaf90

* lisp/emacs-lisp/easy-mmode.el: Fix most obvious bug#34723

(easy-mmode-define-navigation): Don't scroll in the opposite direction of
the movement.

* lisp/mail/hashcash.el (hashcash-insert-payment-async): Fix last change

* lisp/progmodes/python.el (python-rx-constituents): Fix ordering in `or`

The previous code worked earlier because of a bug in `rx` (which used
`regexp-opt` without passing it to `keep-order` argument), but now that `rx`
has been fixed the underlying bug here reared its ugly head.

Avoid gratuitous errors in 'url-retrieve-synchronously'

* lisp/url/url-http.el (url-http-debug):
* lisp/url/url-util.el (url-debug): Don't signal an error if
quit-flag is non-nil, but not t.  This could happen because
some unrelated code is running inside while-no-input.
(Bug#34763)

* lisp/battery.el (battery-bsd-apm): Group indices together; use pcase

* lisp/battery.el (battery-bsd-apm): Make it work on FreeBSD

Copyright-paperwork-exempt: yes

Use flag "t" to get remaining time, and adjust to different output order.

* lisp/mail/hashcash.el: Get rid of backquoted lambdas

Copyright-paperwork-exempt: yes

(hashcash-generate-payment-async): η-reduce.
(hashcash-insert-payment-async): Use proper closure.

* lisp/net/tramp-adb.el (tramp-adb-handle-make-process):

Use proper range when deleting the region.

Correct the indentation of CC Mode brace lists

while preserving the indentation of nested C++ uniform initialization.

* lisp/progmodes/cc-align.el (c-lineup-2nd-brace-entry-in-arglist)
(c-lineup-class-decl-init-+, c-lineup-class-decl-init-after-brace): New
indentation functions.

* lisp/progmodes/cc-engine.el (c-forward-class-decl): New function.
(c-do-declarators): New function, partially extracted from
c-font-lock-declarators, which now calls the new function.
(c-inside-bracelist-p): Amend the introductory comment.
(c-add-stmt-syntax): Add code to prevent the spurious recognition of a
'defun-block-intro when a brace pair is used as an initializer.
(c-evaluate-offset): No longer ignore vectors of length >= 2.
(c-calc-offset): Refactor clumsily nested `if'/`or' into a cond form.

* lisp/progmodes/cc-fonts.el (c-font-lock-declarators): Replace the bulk of
this function by a call to the new c-forward-class-decl.

* lisp/progmodes/cc-langs.el (c-type-decl-prefix-key): Recognize "~" as a
type decl operator.

* lisp/progmodes/cc-mode.el (c-fl-decl-start): While searching backward for a
"}" at an EOD, deal with actually finding the end of a brace list.

* doc/misc/cc-mode.texi (List Line-Up): document
c-lineup-2nd-brace-entry-in-arglist, c-lineup-class-decl-init-+, and
c-lineup-class-decl-init-after-brace.

* lisp/progmodes/cc-styles.el (c-style-alist): In styles "gnu", "bsd",
"stroustrup", "python", and "java", change the offset for brace-list-intro
from the default value or c-lineup-arglist-intro-after-paren to a list
beginning with the symbol first, followed by two of the new alignment
functions, followed by +.

* lisp/progmodes/cc-vars.el (c-offset-alist): Change the default value of
brace-list-entry from c-lineup-under-anchor back to 0.

Revert last tweak in 'comint-output-filter'

* lisp/comint.el (comint-output-filter): Revert last tweak because
it can hang gdb indefinitely.

Reindent pdumper per usual Emacs style

* src/pdumper.c, src/pdumper.h: Reindent.

Fix show-trailing-whitespace in R2L text

* src/xdisp.c (highlight_trailing_whitespace): Allow for
stretch glyphs at the left edge of R2L lines, when skipping
glyphs inserted by the display engine.  This unbreaks
show-trailing-whitespace in R2L lines.

Fix a small pdumper memory leak

* src/pdumper.c (dump_mmap_reset): Free the private area here ...
(dump_mm_heap_cb_release): ... instead of here.
(dump_mmap_release_heap): Simplify by avoiding a local.
(dump_mmap_contiguous): Reindent GNU style.

Rewrite minibuffer window resizing code

* src/frame.c (resize_mini_frames): New variable.
* src/window.c (resize_mini_window_apply): New function.
(grow_mini_window, shrink_mini_window): Remove PIXELWISE
argument.  Call resize_mini_window_apply to apply changes.
(Fresize_mini_window_internal): Call resize_mini_window_apply
to apply changes.
(Qwindow__resize_mini_frame): New symbol.
* src/window.h (grow_mini_window, shrink_mini_window): Adjust
external declarations.
* src/xdisp.c (resize_mini_window): For minibuffer-only frames
call 'window--resize-mini-frame' if resize_mini_frames is
non-nil.  Offload parts of logic to grow_mini_window and
shrink_mini_window which are now called without the PIXELWISE
argument.
(Vresize_mini_windows): Mention 'resize-mini-frames' in
doc-string.
* lisp/cus-start.el (resize-mini-frames): Add customization
support.
* lisp/window.el (window--resize-mini-window): Simplify code.
(window--resize-mini-frame): New function.
* doc/lispref/minibuf.texi (Minibuffer Windows): Describe new
option 'resize-mini-frames'.
* etc/NEWS: Mention new option 'resize-mini-frames'.

* src/editfns.c: Fix docstring typo.

Improve binary-as-unsigned treatment (Bug#34792)

* etc/NEWS:
* src/editfns.c (Fformat, binary_as_unsigned):
Update now that we always have bignums.
(syms_of_editfns) [!defined lisp_h_FIXNUMP]: Remove now-obsolete
code, since lisp_h_FIXNUMP is always defined now.
* test/src/editfns-tests.el (read-large-integer): Simplify,
now that we can assume binary-as-unsigned defaults to nil.

More regexp corrections and tweaks

Problems reported by Mattias Engdegård in:
https://lists.gnu.org/r/emacs-devel/2019-03/msg00247.html
* lisp/align.el (align-rules-list):
* lisp/comint.el (comint-output-filter):
* lisp/language/china-util.el (encode-hz-region):
* lisp/progmodes/cperl-mode.el (cperl-indent-exp):
* lisp/progmodes/idlwave.el (idlwave-is-pointer-dereference):
* lisp/progmodes/scheme.el (dsssl-font-lock-keywords):
* lisp/textmodes/texinfmt.el (texinfo-accent-commands):
* test/src/regex-emacs-tests.el (regex-tests-re-even-escapes):
Fix some regular-expression typos.

Update from Gnulib

This incorporates:
2019-03-10 alloca-opt: Fix conflict mingw's new <alloca.h> file
2019-03-03 getloadavg: Write NULL for the null pointer
Reported by Michal Privoznik <mprivozn@redhat.com>.
* lib/getloadavg.c (getloadavg): Write NULL instead of 0.
* build-aux/config.guess, build-aux/move-if-change:
* doc/misc/texinfo.tex, lib/alloca.in.h, lib/getloadavg.c:
* m4/alloca.m4:
Copy from Gnulib.
* lib/gnulib.mk.in: Regenerate.

; Auto-commit of loaddefs files.

(ruby-add-log-current-method): Recognize methods ending with ? or !

* lisp/progmodes/ruby-mode.el (ruby-add-log-current-method):
Recognize method names ending with ? or !.

project--find-regexp-in-files: Use 'grep -E'

* lisp/progmodes/project.el (project--find-regexp-in-files): Use
'grep -E' because we convert the regexp to extended already.

Changes in Tramp adb process handling

* lisp/net/tramp-adb.el (tramp-methods) <adb>: Add `tramp-remote-shell'
and `tramp-remote-shell-args'.
(tramp-adb-file-name-handler-alist): Use `tramp-handle-shell-command'
rather than `tramp-adb-handle-shell-command'.
(tramp-adb-handle-shell-command): Remove.
(tramp-adb-handle-make-process): Use a proper prompt.
(tramp-adb-wait-for-output): Simplify.

Use a runtime test for timerfd on Cygwin (Bug#34618)

* src/atimer.c [HAVE_TIMERFD] (have_buggy_timerfd): New
function.
(init_atimer) Use it.

* lisp/speedbar.el: Minor tweaks

(speedbar-directory-buttons-follow): Use file-name-as-directory.
(speedbar-ignored-directory-expressions)
(speedbar-supported-extension-expressions): Use `sym` in the setter.
(speedbar-frame-mode): Use with-current-buffer.
(speedbar-item-info-tag-helper): Use 'cond'.
(speedbar-highlight-one-tag-line): Don't use position beyond EOB.

Make doc-view work with text-mode as default major-mode (bug#34451)

* lisp/doc-view.el (doc-view--text-view-mode): New alias for view-mode.
(doc-view-open-text): Use it.
(doc-view-toggle-display): Use it.

* list/emulation/viper: Use user-error for "Viper bell"

Copyright-paperwork-exempt: yes

* lisp/emulation/viper-init.el (viper-ViperBell): New constant.
* lisp/emulation/viper-cmd.el (viper-prefix-arg-com)
(viper-forward-char, viper-backward-char, viper-goto-col)
(viper-find-char, viper-paren-match, viper-put-back, viper-Put-back)
(viper-delete-char, viper-mark-point, viper-goto-mark-subr):
* lisp/emulation/viper-ex.el (ex-delete): Use it and `user-error`.

Name buffer according to attachment filename (bug#34478).

* lisp/gnus/mm-decode.el (mm-display-external): Name buffer showing
  the attachment according to the attachment's filename, i.e. "*mm*
  <filename>" instead of " *mm*12345".

Re-enable the timerfd interface on Cygwin

* configure.ac (emacs_cv_have_timerfd): No longer set this to "no"
on Cygwin.  (Bug#34618)

; * src/editfns.c (Fformat): Fix last change.  (Bug#34792)

Mention `binary-as-unsigned' in `format' docstring (Bug#34792)

* src/src/editfns.c (format): Update docstring to mention binary-as-unsigned
(Bug#34792)

Merge from origin/emacs-26

0589de5 (origin/emacs-26) Fix markup of fake keys in the ELisp manual
82d4b98 Avoid errors in Auto Revert mode
a3b1935 Mention empty strings in file name expansion, emacs lisp refe...
a38da0d cc-mode.texi: Work around makeinfo alignment bug.  Fix proble...
464ee80 Warn against recursive invocations of 'buffer-list-update-hoo...
60b5c10 Provide more details in doc-string of 'delete-windows-on' (Bu...
f0be0f1 Improve documentation of 'delete-windows-on'
f1bddc7 * lisp/frame.el (make-frame-command): Doc fix.  (Bug#34715)
2848623 Avoid undefined behavior in gdb-mi.el
dbf1837 * lisp/window.el (fit-frame-to-buffer): Make doc-string more ...
099ef44 Minor spelling and grammar fixes (bug#34756)
52fd400 Minor improvement of documentation of '(when CONDITION . SPEC)'
f872b65 Improve documentation of 'auto-coding-functions'
04cad5e Fix visiting XML files with non-Unix EOL format
a89fabe Update example major mode code in Elisp manual

# Conflicts:
# lisp/autorevert.el
# lisp/window.el

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

Consult 'face-remapping-alist' for 'internal-border' face

* src/xterm.c (x_clear_under_internal_border)
(x_after_update_window_line):
* src/w32fns.c (x_clear_under_internal_border):
* src/w32term.c (x_after_update_window_line): Consult
'face-remapping-alist' when using the 'internal-border' face.

CC Mode: Correct some incorrect regular expressions:

* lisp/progmodes/cc-awk.el (c-awk-regexp-char-list-re): "^" -> "\\^".  R*x?R*
-> \(R*x\)?R*.

* lisp/progmodes/cc-mode.el (c-after-change-re-mark-unbalanced-strings): "|"
-> "\\|".

Do not hardcode "/bin/sh" in compile.  Bug#24338, Bug#29723

* doc/emacs/custom.texi (Connection Variables): New node.

* doc/emacs/emacs.texi (Top): Add entry for Connection Variables.

* doc/emacs/misc.texi (Single Shell): Mention default value for
remote buffers.

* doc/lispref/variables.texi (Connection Local Variables):
Describe `with-connection-local-variables' instead of
`with-connection-local-profiles'.

* doc/misc/tramp.texi (Remote processes): Refer to Emacs manual.
Mention default connection-local settings for `shell-file-name'
and `shell-command-switch'.

* etc/NEWS: Mention connection-local variables changes.

* lisp/files-x.el (hack-connection-local-variables):
Push connection-local variables to `file-local-variables-alist'.
(connection-local-criteria-for-default-directory): New defsubst.
(with-connection-local-variables): Rename from
`with-connection-local-profiles'.  Adapt implementation.

* lisp/files.el (hack-local-variables):
Call `hack-connection-local-variables'.

* lisp/shell.el (shell): Use `with-connection-local-variables'.

* lisp/subr.el (start-file-process-shell-command):
* lisp/progmodes/compile.el (compilation-start):
Use `with-connection-local-variables'.  Do not set "/bin/sh" for
remote buffers, trust settings of `shell-file-name'.  (Bug#24338),
(Bug#29723)

* lisp/net/ange-ftp.el (ange-ftp-compress, ange-ftp-uncompress):
Use `shell-command-switch'.

* lisp/net/tramp-adb.el (tramp-adb-connection-local-default-profile):
New defvar.  Add it to connection-local profiles after loading "shell".

* lisp/net/tramp-integration.el (tramp-compat): Require tramp-compat.
(tramp-compat-exec-path): Do not declare anymore.
(tramp-connection-local-safe-shell-file-names): New defvar.
(tramp-connection-local-default-profile): New defconst.  Activate
it after loading "shell".
(shell-file-name, shell-command-switch): Add safe-local-variable
property.

* lisp/net/tramp-sh.el (tramp-display-escape-sequence-regexp):
Add tramp-autoload cookie.

* test/lisp/files-x-tests.el (remote-shell-file-name):
Add safe-local-variable property to remote-* variables.
(tramp-connection-local-default-profile): Declare.
(files-x-test-with-connection-local-variables):
Rename from `files-x-test-with-connection-local-profiles'.  Adapt
implementation.

* test/lisp/net/tramp-tests.el
(tramp-test34-connection-local-variables): New test.
(tramp-test34-explicit-shell-file-name): Run it also for tramp-adb.
Bind connection-local-{profile,criteria}-alist.  Use tramp-adb
specific `shell-file-name'.  Add safe-local-variable property to
`explicit-shell-file-name' and `explicit-sh-args'.

Make help for file supersession more readable

* lisp/userlock.el (ask-user-about-supersession-help): Use
'substitute-command-keys' to show the command key for
"\\[revert-buffer]" properly.

Fix markup of fake keys in the ELisp manual

* doc/lispref/keymaps.texi (Menu Bar, Tool Bar): Fix markup of
fake keys.  (Bug#34785)

Avoid errors in Auto Revert mode

* lisp/autorevert.el (auto-revert-buffers): Cancel
auto-revert-timer only if it is non-nil.  This avoids errors
on first invocation of Auto-Revert mode.

Import Unicode 12.0 data files

* admin/unidata/copyright.html:
* admin/unidata/UnicodeData.txt:
* admin/unidata/SpecialCasing.txt:
* admin/unidata/NormalizationTest.txt:
* admin/unidata/Blocks.txt:
* admin/unidata/BidiMirroring.txt:
* admin/unidata/BidiBrackets.txt: New versions from Unicode 12.0.
* admin/unidata/unidata-gen.el (unidata-gen-file):
* admin/unidata/blocks.awk (name2alias): Adapt to changes in
new data files.
* admin/notes/unicode: Update and improve instructions for
importing a new Unicode Standard.

* lisp/international/characters.el (char-width-table): Update
lists of characters according to Unicode 12.0.
* lisp/international/fontset.el (script-representative-chars):
Add characters from new scripts to 'script-representative-chars'.
(otf-script-alist): Update according to data on the MS site.
* lisp/international/mule-cmds.el (ucs-names): Update unused
ranges of codepoints according to Unicode 12.0.

* test/lisp/international/ucs-normalize-tests.el
(ucs-normalize-tests--failing-lines-part1)
(ucs-normalize-tests--failing-lines-part2): Update for the new
NormalizationTest.txt file.
* test/manual/BidiCharacterTest.txt: Update with the new
version from Unicode 12.0.

Further redesign of window change functions

* doc/lispref/windows.texi (Window Hooks): Revise description
of window change functions.  Add documentation for
'window-state-change-hook' and window state change flag.
* etc/NEWS: Update entry for window change functions.
* src/frame.c (Fframe_window_state_change)
(Fset_frame_window_state_change): New functions.
* src/frame.h (struct frame): New boolean window_state_change.
(FRAME_WINDOW_STATE_CHANGE): New macro.
* src/window.c (window_change_record_frames): New static
boolean.
(window_change_record_frame): Remove function - code moved to
window_change_record.
(window_change_record): Record frame changes here taking
window_change_record_frames into account.
(run_window_change_functions_1): Set window_change_record_frames
whenever we run one of our hooks.
(run_window_change_functions): Run hooks also when
FRAME_WINDOW_STATE_CHANGE has been set.  Run
Vwindow_state_change_hook.  Leave decision whether to record
changes for all frames to window_change_record.
(Vwindow_state_change_functions): Update doc-string.
(Vwindow_state_change_hook): New normal hook.

Don't redraw the glyph on top of bar cursors

* src/nsterm.m (ns_draw_window_cursor): Limit when we redraw the
glyph.

Mention empty strings in file name expansion, emacs lisp reference

* doc/lispref/files.texi (Files, File Name Expansion):
Mention also empty strings.

; Improve matching of key-val labels yet more (bug#34629)

* lisp/textmodes/reftex-vars.el (reftex-label-regexps): Match
explicitly for key-val labels in optional arguments of
environments provided by "listings" and "breqn" packages and the
macro "\ctable" from the package of the same name.
Update docstring.

* lisp/emacs-lisp/autoload.el (make-autoload): Don't add useless doc

More specifically, don't add a useless '(fn)' to the docstring for
functions which take no arguments.
This should fix the 'No docstring slot for pcase--make-docstring'
warning during bootstrap.

* lisp/emacs-lisp/cursor-sensor.el: Fix sensor behavior with overlays

(cursor-sensor--detect): Also consult overlay properties when checking
to see if we just moved inside the same "element" as opposed to
changing from one to another of the same type.

New command ido-switch-to-completions.

* lisp/ido.el (ido-switch-to-completions): New command.

cc-mode.texi: Work around makeinfo alignment bug.  Fix problem with ss index

* doc/misc/cc-mode.texi (top level): Using txicommandconditionals to
differentiate between the C and perl versions of Texinfo, create an "ss
index" unless we are both using the C Texinfo and are building the .dvi output
format.
(Config Basics): Work around a perl Texinfo alignment bug by writing a
separate version of an item list structure for this version, simplifying it
considerably.

Warn against recursive invocations of 'buffer-list-update-hook' (Bug#34765)

* src/buffer.c (Vbuffer_list_update_hook):
* doc/lispref/buffers.texi (Buffer List): Warn against
recursive invocations of 'buffer-list-update-hook' (Bug#34765).

Provide more details in doc-string of 'delete-windows-on' (Bug#34749)

* lisp/window.el (delete-windows-on): Provide more details in
doc-string (Bug#34749).

More regexp corrections and tweaks

From suggestions by Mattias Engdegård in:
https://lists.gnu.org/r/emacs-devel/2019-03/msg00131.html
* lisp/arc-mode.el (archive-rar-summarize):
* lisp/gnus/gnus-art.el (gnus-button-valid-localpart-regexp):
* lisp/language/ethio-util.el (ethio-fidel-to-tex-buffer):
* lisp/nxml/rng-uri.el (rng-file-name-uri):
* lisp/org/org-mobile.el (org-mobile-apply):
* lisp/progmodes/cperl-mode.el (cperl-init-faces):
* lisp/progmodes/fortran.el (fortran-fill):
* lisp/progmodes/mantemp.el (mantemp-remove-comments)
(mantemp-remove-memfuncs, mantemp-insert-cxx-syntax):
* lisp/speedbar.el (speedbar-directory-buttons-follow):
* lisp/vc/add-log.el (change-log-font-lock-keywords):
Fix more regular expressions that seem to be typos or infelicities.

Improve documentation of 'delete-windows-on'

* doc/emacs/windows.texi (Change Window): Document
'delete-windows-on'.

* lisp/window.el (delete-windows-on): Doc fix.  (Bug#34749)

* lisp/frame.el (make-frame-command): Doc fix.  (Bug#34715)

Improve ispell.el diagnostics if Hunspell dictionaries aren't found

* lisp/textmodes/ispell.el (ispell-set-spellchecker-params):
Set ispell-last-program-name only at the end, so as to produce
useful diagnostics when Hunspell dictionaries are not found.
(Bug#34640)

Copyright-paperwork-exempt: yes

* lisp/net/rcirc.el: Undo previous change; it was a typo.

Be safer about "%" in message formats

* lisp/calc/calc-store.el (calc-copy-special-constant):
* lisp/net/rcirc.el (rcirc-handler-PART, rcirc-handler-KICK):
* lisp/org/org-agenda.el (org-agenda):
* lisp/org/org-clock.el (org-clock-out, org-clock-display):
* lisp/org/org.el (org-refile):
* lisp/progmodes/ada-xref.el (ada-goto-declaration):
* lisp/progmodes/idlwave.el (idlwave-scan-library-catalogs):
Don’t trust arbitrary strings to not contain "%" or "`" in
(message (concat STRING1 STRING2 ...)).

Avoid undefined behavior in gdb-mi.el

* lisp/progmodes/gdb-mi.el (gdb-send): Don't call match-string
if this is not a control command.  (Bug#34769)

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

Rename regexp-opt argument noreorder to keep-order

* doc/lispref/searching.texi (Regular Expression Functions):
* lisp/emacs-lisp/regexp-opt.el (regexp-opt):
Rename newly added `noreorder' argument to `keep-order', to avoid a
negative in the name.  Suggested by Phil Sainty (Bug#34641).

Fix OBJECT binding in conditional display specs

* src/xdisp.c (compute_display_string_pos): Pass OBJECT1, not
OBJECT to handle_display_spec, as the latter doesn't expect a
window object.  (Bug#34771)

Fix typo in fix for Bug#33498

* src/frame.c (delete_frame): Fix typo in previous patch,
which caused GCC to complain about the use of an uninitialized
variable.

; * lisp/window.el (fit-frame-to-buffer): Fix once more.

* lisp/window.el (fit-frame-to-buffer): Make doc-string more accurate.

Handle empty strings in Tramp's expand-file-name implementations

* lisp/net/tramp.el (tramp-handle-expand-file-name):
* lisp/net/tramp-gvfs.el (tramp-gvfs-handle-expand-file-name):
* lisp/net/tramp-sh.el (tramp-sh-handle-expand-file-name):
* lisp/net/tramp-smb.el (tramp-smb-handle-expand-file-name):
* lisp/net/tramp-sudoedit.el (tramp-sudoedit-handle-expand-file-name):
Handle empty NAME.

* test/lisp/net/tramp-tests.el (tramp-test01-file-name-syntax)
(tramp-test01-file-name-syntax-simplified)
(tramp-test01-file-name-syntax-separate): Use neutral IPv4 address.
(tramp-test05-expand-file-name): Check also "." and "".

* lisp/window.el (fit-frame-to-buffer): Make doc-string more accurate.

In unwind_with_echo_area_buffer use set_marker_restricted_both

* src/xdisp.c (unwind_with_echo_area_buffer): Use
set_marker_restricted_both instead of set_marker_both to avoid
spurious assertion failures.

Fix handling of 'window-combination-resize' with fixed-size windows

* lisp/window.el (window-combinations): New optional argument
IGNORE-FIXED.
(window--combination-resizable): New function.
(split-window): Fix handling of 'window-combination-resize'
in the presence of fixed-size windows.

Fix initialization of Vwindow_state_change_functions

* src/window.c (Vwindow_state_change_functions): Initialize the
right variable.

; * etc/CALC-NEWS: Update header for 2015/11 maintainer change.

* doc/misc/gnus-coding.texi: Remove no longer relevant sections.
; The whole remaining file is probably no longer relevant.
; It's just some basic info from 15 years ago.

* doc/misc/gnus.texi (New Features): Refer to NEWS for newer items.

Remove doc/misc/gnus-news.texi

* doc/misc/gnus.texi (No Gnus): Merge in gnus-news.texi.
* doc/misc/gnus-news.texi: Remove.

Remove etc/GNUS-NEWS (bug#34662)

It is not relevant since Gnus stopped being distributed separately.
* etc/GNUS-NEWS: Remove this generated file.
* etc/NEWS.26: Relocate an entry mistakenly added to GNUS-NEWS.
* doc/misc/gnus-coding.texi (Gnus Maintenance Guide):
No longer mention GNUS-NEWS.
* doc/misc/gnus-news.el: Remove.
* doc/misc/gnus-news.texi: Update a comment.
* lisp/Makefile.in (update-gnus-news): Remove this phony target.

Remove gnus-overrides.texi

* doc/misc/gnus-overrides.texi: Remove.
* doc/misc/auth.texi, doc/misc/emacs-mime.texi:
* doc/misc/gnus.texi, doc/misc/message.texi, doc/misc/pgg.texi:
* doc/misc/sasl.texi, doc/misc/sieve.texi:
Do not include gnus-overrides.texi.

Fix regexp issues introduced in last trunk commit.

* verilog-mode.el (verilog-coverpoint-re): Fix regexp issues introduced
in last trunk commit.

Minor spelling and grammar fixes (bug#34756)

doc/misc/cc-mode.texi (Style Variables, Customizing Indentation):
doc/misc/ede.texi (Extending EDE, ede-project-placeholder)
(ede-target, ede-proj-target, ede-compilation-program, ede-compiler)
(ede-linker): Remove apostrophe from possessive "it's".
doc/lispintro/emacs-lisp-intro.texi (Find a File):
doc/misc/gnus-faq.texi (FAQ 2-2): Write "an other" as a single word.
doc/misc/gnus.texi (Article Buttons):
lisp/gnus/gnus-art.el (gnus-button-mid-or-mail-heuristic-alist)
(gnus-button-mid-or-mail-heuristic): Write singular number of
Message-IDs, rather than plural.
lisp/gnus/message.el (message-user-fqdn): Capitalize initialism.

Remove unreliable assertion in buf_bytepos_to_charpos

* src/marker.c (buf_bytepos_to_charpos): Remove the assertion
regarding bytepos always at the head byte of a multibyte
sequence.  For the reasons, see
http://lists.gnu.org/archive/html/emacs-devel/2019-03/msg00100.html
http://lists.gnu.org/archive/html/emacs-devel/2019-03/msg00102.html

Fix regular-expression glitches and typos. Update verilog-mode from upstream.

* lisp/progmodes/verilog-mode.el (verilog-read-decls): Fix AUTO vectors with
double brackets, msg2839.
(verilog-read-auto-template-middle): Fix AUTO_TEMPLATE with regexp
capture group reference, but1379.  Reported by David Rogoff.

Fix interactive spec of some functions in window.el (Bug#34749)

* lisp/window.el (delete-windows-on, quit-windows-on)
(display-buffer-other-frame): Interactively, permit existing
buffers only (Bug#34749).

Fix handling of minibuffer-only child frames (Bug#33498)

* doc/lispref/frames.texi (Buffer Parameters): Describe how to
make a minibuffer-only child frame.
(Child Frames): Describe how minbuffer child frames are
deleted.
* src/frame.c (delete_frame): Handle deletion of minibuffer
child frames (Bug#33498).  In the course, fix reassigning of
'default-minibuffer-frame' with minibuffer-only frames.
* lisp/frame.el (frame-notice-user-settings): Handle creation of
initial minibuffer-only child frame.
(make-frame): Handle creation of frame with a minibuffer-only
child frame.

Test an IPv4 mapped IPv6 address in Tramp

* test/lisp/net/tramp-tests.el (tramp-test01-file-name-syntax)
(tramp-test01-file-name-syntax-simplified)
(tramp-test01-file-name-syntax-separate): Check also an IPv4
mapped IPv6 address.

Fix regular-expression glitches and typos

Problems reported by Mattias Engdegård in:
https://lists.gnu.org/r/emacs-devel/2019-03/msg00085.html
* admin/admin.el (set-version):
* lisp/allout.el (allout-latexify-one-item):
* lisp/arc-mode.el (archive-arc-rename-entry)
(archive-rar-summarize):
* lisp/calc/calc-graph.el (calc-graph-set-styles)
(calc-graph-hide):
* lisp/calc/calc-help.el (calc-describe-key):
* lisp/calc/calc-lang.el (math-compose-tex-func, eqn):
* lisp/calc/calc.el (calcDigit-key):
* lisp/cedet/ede/makefile-edit.el (makefile-macro-file-list):
* lisp/cedet/ede/speedbar.el (ede-tag-expand):
* lisp/cedet/semantic/sb.el (semantic-sb-show-extra)
(semantic-sb-expand-group):
* lisp/comint.el (comint-substitute-in-file-name):
* lisp/dired.el (dired-actual-switches):
* lisp/emacs-lisp/chart.el (chart-rmail-from):
* lisp/emacs-lisp/eieio-opt.el (eieio-sb-expand):
* lisp/emacs-lisp/eieio-speedbar.el (eieio-speedbar-object-expand):
* lisp/emacs-lisp/rx.el (rx-not, rx-atomic-p):
* lisp/emulation/viper-ex.el (viper-get-ex-token)
(viper-get-ex-pat, ex-set-read-variable):
* lisp/epg.el (epg--status-SIG_CREATED):
* lisp/erc/erc-speedbar.el (erc-speedbar-expand-user):
(erc-speedbar-expand-channel, erc-speedbar-expand-server)
* lisp/erc/erc.el (erc-is-message-ctcp-and-not-action-p)
(erc-banlist-update):
* lisp/eshell/em-dirs.el (eshell-parse-drive-letter, eshell/pwd):
* lisp/find-dired.el (find-dired):
* lisp/frame.el (frame-set-background-mode):
* lisp/generic-x.el (apache-log-generic-mode):
* lisp/gnus/gnus-art.el (gnus-button-valid-localpart-regexp):
* lisp/gnus/gnus.el (gnus-short-group-name):
* lisp/gnus/message.el (message-mailer-swallows-blank-line):
* lisp/ibuffer.el (ibuffer-fontification-alist):
* lisp/ido.el (ido-set-matches-1):
* lisp/info-xref.el (info-xref-lock-file-p):
* lisp/info.el (Info-dir-remove-duplicates)
(Info-unescape-quotes, Info-split-parameter-string)
(Info-speedbar-expand-node):
* lisp/international/mule.el (sgml-html-meta-auto-coding-function):
* lisp/isearch.el (isearch-pre-command-hook):
* lisp/language/ethio-util.el (ethio-fidel-to-tex-buffer):
* lisp/mail/rmail.el (rmail-collect-deleted):
* lisp/mh-e/mh-alias.el (mh-alias-suggest-alias):
* lisp/mh-e/mh-comp.el (mh-forward):
* lisp/mh-e/mh-search.el (mh-index-next-folder)
(mh-index-create-imenu-index):
* lisp/mh-e/mh-xface.el (mh-picon-get-image):
* lisp/minibuffer.el (completion--embedded-envvar-re):
* lisp/net/ange-ftp.el (ange-ftp-ls-parser):
* lisp/net/goto-addr.el (goto-address-mail-regexp)
(goto-address-find-address-at-point):
* lisp/net/pop3.el (pop3-read-response, pop3-user)
(pop3-pass, pop3-apop):
* lisp/net/tramp.el (tramp-ipv6-regexp)
(tramp-replace-environment-variables):
* lisp/nxml/nxml-maint.el (nxml-insert-target-repertoire-glyph-set):
* lisp/nxml/rng-uri.el (rng-uri-escape-multibyte):
* lisp/nxml/rng-xsd.el (rng-xsd-convert-any-uri):
* lisp/obsolete/pgg.el (pgg-fetch-key):
* lisp/obsolete/vip.el (vip-get-ex-token):
* lisp/org/ob-core.el (org-babel-string-read):
* lisp/org/org-agenda.el:
(org-agenda-add-entry-to-org-agenda-diary-file):
* lisp/org/org-element.el (org-element-keyword-parser):
* lisp/org/org-list.el (org-list-indent-item-generic):
* lisp/org/org-mhe.el (org-mhe-get-message-folder-from-index):
* lisp/org/org-mobile.el (org-mobile-apply):
* lisp/org/org-mouse.el (org-mouse-context-menu):
* lisp/org/org-plot.el (org-plot/gnuplot):
* lisp/org/org-protocol.el (org-protocol-flatten-greedy):
* lisp/org/org-table.el (org-table-copy-down)
(org-table-formula-make-cmp-string)
(org-table-get-stored-formulas, org-table-recalculate)
(org-table-edit-formulas):
* lisp/org/org.el (org-translate-link-from-planner)
(org-fill-line-break-nobreak-p):
* lisp/org/ox-ascii.el (org-ascii-item):
* lisp/org/ox-latex.el (org-latex-clean-invalid-line-breaks):
* lisp/org/ox.el (org-export-expand-include-keyword):
* lisp/progmodes/ada-xref.el (ada-treat-cmd-string):
* lisp/progmodes/cfengine.el (cfengine2-font-lock-keywords):
* lisp/progmodes/cperl-mode.el (cperl-to-comment-or-eol)
(cperl-find-pods-heres, cperl-fix-line-spacing)
(cperl-have-help-regexp, cperl-word-at-point-hard)
(cperl-make-regexp-x):
* lisp/progmodes/dcl-mode.el (dcl-option-value-offset):
* lisp/progmodes/etags.el (tag-implicit-name-match-p):
* lisp/progmodes/fortran.el (fortran-fill):
* lisp/progmodes/gdb-mi.el (gdb-speedbar-expand-node)
(gdb-locals-handler-custom):
* lisp/progmodes/grep.el (grep-mode-font-lock-keywords):
* lisp/progmodes/gud.el (gud-jdb-find-source-using-classpath):
* lisp/progmodes/js.el (js--continued-expression-p):
* lisp/progmodes/m4-mode.el (m4-font-lock-keywords):
* lisp/progmodes/meta-mode.el (meta-indent-level-count):
* lisp/progmodes/mixal-mode.el (mixal-font-lock-keywords):
* lisp/progmodes/opascal.el (opascal-find-unit-in-directory):
* lisp/progmodes/pascal.el (pascal-progbeg-re):
* lisp/progmodes/ruby-mode.el (ruby-expression-expansion-re)
(ruby-expr-beg, ruby-parse-partial)
(ruby-toggle-string-quotes, ruby-font-lock-keywords):
* lisp/progmodes/sql.el (sql--make-help-docstring):
* lisp/progmodes/verilog-mode.el (verilog-coverpoint-re)
(verilog-skip-forward-comment-p)
(verilog-read-sub-decls-gate)
(verilog-read-auto-template-middle):
* lisp/progmodes/vhdl-mode.el (vhdl-resolve-env-variable)
(vhdl-speedbar-expand-project, vhdl-speedbar-expand-entity)
(vhdl-speedbar-expand-architecture)
(vhdl-speedbar-expand-config, vhdl-speedbar-expand-package)
(vhdl-speedbar-dired):
* lisp/speedbar.el (speedbar-dired, speedbar-tag-file)
(speedbar-tag-expand):
* lisp/textmodes/dns-mode.el (dns-mode-font-lock-keywords):
* lisp/textmodes/flyspell.el (flyspell-debug-signal-word-checked):
* lisp/textmodes/ispell.el (ispell-process-line):
* lisp/textmodes/reftex-cite.el (reftex-end-of-bib-entry):
* lisp/textmodes/reftex-ref.el (reftex-replace-prefix-escapes):
* lisp/url/url-parse.el (url-generic-parse-url):
* lisp/url/url-util.el (url-truncate-url-for-viewing):
* lisp/vc/diff-mode.el (diff-unified->context):
* lisp/vc/vc-bzr.el (vc-bzr-error-regexp-alist):
* lisp/vc/vc-cvs.el (vc-cvs-parse-status):
* lisp/woman.el (woman0-el, woman-if-ignore)
(woman-change-fonts):
* lisp/xdg.el (xdg--substitute-home-env):
Fix regular-expression infelicities and typos.

Fix regular expression typos
Fix typos reported by Mattias Engdegård in:
that occurred in preloaded modules.
* lisp/frame.el (frame-set-background-mode):
* lisp/international/mule.el (sgml-html-meta-auto-coding-function):
* lisp/isearch.el (isearch-pre-command-hook):
* lisp/minibuffer.el (completion--embedded-envvar-re):

Fix diff-mode tests after renaming diff-font-lock-refine

This fixes tests broken in my last change, "Merge
diff-font-lock-refine and diff-auto-refine-mode into diff-refine" from
2019-02-24.

* test/lisp/vc/diff-mode-tests.el (diff-mode-test-font-lock):
Bind diff-refine to symbol 'font-lock' instead of binding
diff-font-lock-refine to t.
(diff-mode-test-font-lock-syntax-one-line): Bind diff-refine
to nil instead of binding diff-font-lock-refine to nil.

Minor improvement of documentation of '(when CONDITION . SPEC)'

* doc/lispref/display.texi (Other Display Specs): Add a caveat
to using the '(when CONDITION . SPEC)' display specs.

Avoid assertion violations in buf_bytepos_to_charpos

* src/marker.c (buf_bytepos_to_charpos): Disable the assertion
regarding bytepos always at the head byte of a multibyte
sequence.

Fix invocation with -rv on the command line

* lisp/frame.el (frame-set-background-mode): Avoid errors from
'face-spec-match-p' when the face was not yet realized for
FRAME.  (Bug#34725)

* lisp/emacs-lisp/map.el: Bump version to 2.0.

Prevent introducing invalid scroll bar width/height values (Bug#34569)

* src/frame.c (store_frame_param): Don't store invalid values
for scroll_bar_width/height.
(x_report_frame_params): Don't report invalid values for
scroll_bar_width/height.
(x_set_scroll_bar_width, x_set_scroll_bar_height): Don't set
invalid values for scroll_bar_width/height.

Fix minibuffer resizing with temporarily selected frames (Bug#34317)

* src/keyboard.c (command_loop_1): Resize echo area exactly
only if the echo area window is the minibuffer window of the
selected frame (Bug#34317).
* src/xdisp.c (x_consider_frame_title): Inhibit redisplay also
when restoring the selected window/frame to avoid that
resize_mini_window sizes back the minibuffer window of a
temporarily selected frame (Bug#34317).