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(help-fns--compiler-macro, help-fns--parent-mode, help-fns--obsolete)
(help-fns--interactive-only): Indent output by 2 spaces.
(help-fns--side-effects): New function extracted from
describe-function-1.
(help-fns-describe-function-functions): Use it.
(help-fns--first-release, help-fns--mention-first-release): New functions.
(help-fns-function-description-header): Keymaps and macros can't
be interactive.
(help-fns--ensure-empty-line): New function.
(describe-function-1): Use it.
(help-fns--var-safe-local, help-fns--var-risky)
(help-fns--var-ignored-local, help-fns--var-file-local)
(help-fns--var-watchpoints, help-fns--var-obsolete)
(help-fns--var-alias, help-fns--var-bufferlocal): New functions,
extacted from describe-variable.
(describe-variable): Run help-fns-describe-variable-functions instead.

* lisp/simple.el (next-error-verbosity): New user variable.
(next-error, next-error-internal): Use it to control only outputting
locus message if locus changed.

Bring back the dmpstruct.h checking, and use it when
--enable-checking=structs is specified.  The checking can be helpful
to some developers, although it gets in the way of others and is
not needed for ordinary tarball builds.
* src/dmpstruct.awk: Restore this file, with mode 644 not 755.
* configure.ac: New option-arg --enable-checking=structs,
implied by --enable-checking.
(CHECK_STRUCTS): New macro and var.
* src/Makefile.in (CHECK_STRUCTS): New macro.
(dmpstruct_headers, dmpstruct.h, dmpstruct.h):
Restore these macros and rules.
(pdumper.o): Restore this dependency if $(CHECK_STRUCTS) is true.
(mostlyclean): Remove dmpstruct.h.
* src/pdumper.c [CHECK_STRUCTS]: Include dmpstruct.h,
and restore checks against hashes.

This allows a user to set a non-meta modifier for their terminal
should his/her terminal support it. See bug#35058 for background on
this change.

* lisp/emulation/cua-base.el (cua-rectangle-terminal-modifier-key):
New defcustom.

* lisp/emulation/cua-base.el (cua--shift-control-x-prefix): Use new
defcustom.

* lisp/frame.el (display-symbol-keys-p): Define.

* lisp/simple.el (normal-erase-is-backspace-setup-frame): Use eq
instead of memq.
(normal-erase-is-backspace-mode): Use display-symbol-keys-p.

(compilation-error-properties): Allow 'line' and 'end-line' to be functions,
like 'col' and 'end-col'.
(compilation-error-regexp-alist): Document this.
(compilation-parse-errors): Drop support for old undocumented feature
where 'line' was a function of 2 arguments.
(compilation--compat-error-properties): Delete function.

* src/decompress.c (Fzlib_decompress_region): Add optional
ALLOW-PARTIAL parameter.
* lisp/url/url-http.el (url-handle-content-transfer-encoding): Use it.
* doc/lispref/text.texi (Decompression): Document it.
* etc/NEWS: Announce it.

* doc/misc/cl.texi (Structures): Document :noinline.

* etc/NEWS: Mark the entry for :noinline as documented.

(cl--struct-inline): New var.
(cl-defstruct): Obey it along with a new :noinline keyword argument.

* lisp/textmodes/text-mode.el (text-mode): Do not reset
indent-line-function to its global default value of indent-relative.
* doc/lispref/modes.texi (Example Major Modes):
* etc/NEWS: Document change accordingly.

For discussion, see thread starting at:
https://lists.gnu.org/archive/html/emacs-devel/2019-03/msg01012.html
* lisp/textmodes/text-mode.el (text-mode): Do not reset
indent-line-function to its global default value of indent-relative.
* doc/lispref/modes.texi (Example Major Modes):
* etc/NEWS: Document change accordingly.

* src/xterm.c (x_cr_draw_image): Add arguments image_width and
image_height and support scaling.  All callers changed.
* src/image.c (Fimage_scaling_p): Return t when USE_CAIRO.
(x_set_image_size) [USE_CAIRO]: Record the scaled dimensions
in the image struct.
* src/dispextern.h (HAVE_NATIVE_SCALING): Define when
USE_CAIRO as well.

* etc/NEWS: Update the announcement of native image scaling.

* lisp/vc/vc-git.el (vc-git-mergebase): New function.
(vc-git-print-log): Interpret string value of arg LIMIT as an end-revision.

* lisp/vc/vc-hooks.el (vc-prefix-map): Bind 'vc-log-mergebase' to
'C-x v M L', and 'vc-diff-mergebase' to 'C-x v M D'.  (Bug#33950)

Suggested by Stefan Monnier in:
https://lists.gnu.org/r/emacs-devel/2019-03/msg00789.html
* INSTALL, etc/NEWS: Document this.
* configure.ac: Implement this.

* lisp/international/mule-cmds.el (ngettext): New function.
https://lists.gnu.org/archive/html/emacs-devel/2019-03/msg00586.html

* lisp/replace.el (flush-lines, how-many, occur-1, occur-engine)
(perform-replace): Use ngettext.

* lisp/progmodes/grep.el (grep-exit-message): Use ngettext.
(grep-mode-font-lock-keywords): Match both singular and plural form
of "matches".

* lisp/simple.el (delete-indentation):
* doc/emacs/indent.texi (Indentation Commands):
* etc/NEWS: Fix last change.  (Bug#34796)

* lisp/simple.el (delete-indentation): Join lines in the active region.
(Bug#34796)

* doc/misc/org.texi: Describe the arguments of delete-indentation.

* etc/NEWS: Mention region support in delete-indentation.

* lisp/subr.el (inhibit-null-byte-detection): Make it an obsolete alias.

* src/coding.c (setup_coding_system): Use new name.
(detect_coding): Rename null_byte_found => nul_byte_found.
(detect_coding_system): Use new name.
Rename null_byte_found => nul_byte_found.
(Fdefine_coding_system_internal): Use new name.
(syms_of_coding): Rename inhibit-null-byte-detection to
inhibit-nul-byte-detection.
* src/w16select.c (get_clipboard_data): null_char => nul_char.
* src/json.c (check_string_without_embedded_nuls): Rename from
check_string_without_embedded_nulls.
(Fjson_parse_string): Adjust accordingly.
* src/coding.h (enum define_coding_undecided_arg_index)
(enum coding_attr_index): ...null_byte... => ...nul_byte....
* lisp/info.el (info-insert-file-contents, Info-insert-dir):
* lisp/international/mule.el (define-coding-system):
* lisp/vc/vc-git.el (vc-git--call):
* doc/lispref/nonascii.texi (Lisp and Coding Systems): Use the new name.

(eshell-cmpl-initialize): Refrain from binding to the `tab` key,
which prevents the tab -> TAB remapping.
Use completion-at-point and completion-help-at-point.
(eshell-complete-commands-list): Use `fboundp` test instead of ugly
gymnastics to try and hide the function call from the compiler.
(eshell-pcomplete): Make it an alias of completion-at-point.

* doc/misc/eshell.texi (Completion): Change wording to reflect
different default behavior.

(any "a-Z0-9") generated "[0-9]", and (any (?9 . ?0)) generated "[9-0]".
Reversed ranges are either mistakes or abuse.  Neither should be allowed.

etc/NEWS: Explain the change.
lisp/emacs-lisp/rx.el (rx): Document.
(rx-check-any-string, rx-check-any): Add error checks for reversed ranges.
test/lisp/emacs-lisp/rx-tests.el (rx-char-any-range-bad): New test.

* 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.

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.

* 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'.

* 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.

* 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'.

* 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.

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.