Fix WebP support on MS-Windows

* src/image.c (WebPDecodeRGBA, WebPDecodeRGB, WebPFree): Use
correct names and argument lists in DEF_DLL_FN; fix typos.
(WebPGetFeaturesInternal): Load this instead of WebPGetFeatures,
which is a static inline function in webp/decode.h.
(WebPGetFeatures): Redirect to call WebPGetFeaturesInternal.

* lisp/term/w32-win.el (dynamic-library-alist): Fix the name of
the WebP symbol.

* configure.ac (HAVE_WEBP): Fix detection of libwebp on MinGW.

* nt/INSTALL.W64:
* nt/INSTALL: Update information about libwebp availability.

Add WebP image format support (Bug#51296)

* configure.ac (--with-webp): New option.
(HAVE_WEBP): New variable.
(emacs_config_features): Add webp.
* src/image.c (enum webp_keyword_index) [HAVE_WEBP]: New enum.
(webp_format) [HAVE_WEBP]: New variable.
(webp_image_p, init_webp_functions, webp_load) [HAVE_WEBP]: New
functions for WebP support.
(image_types) [HAVE_WEBP]: Define WebP format.
(syms_of_image) <Qwebp> [HAVE_WEBP]: New DEFSYM.  Add image type Qwebp.
* src/Makefile.in (LIBIMAGE): Add WEBP_LIBS.

* lisp/files.el (auto-mode-alist):
* lisp/image-file.el (image-file-name-extensions):
* lisp/image.el (image-type-header-regexps)
(image-type-file-name-regexps, image-type-auto-detectable): Add WebP
support.
* lisp/term/w32-win.el (dynamic-library-alist): Add the libwebp DLL.

* INSTALL:
* admin/CPP-DEFINES:
* doc/lispref/display.texi (Image Formats, Other Image Types):
* nt/INSTALL: Document WebP support.

* test/lisp/image-tests.el (image-find-image)
(image-type-from-file-name): Expand tests.
* test/src/image-tests.el (image-tests--files): Add WebP.
(image-tests-image-size/webp, image-tests-image-mask-p/webp)
(image-tests-image-metadata/webp): New tests.
* test/data/image/black.webp: New file.

In 'window-text-pixel-size' use actual mode line heights if wanted (Bug#38181)

* src/xdisp.c (Fwindow_text_pixel_size): Run display_mode_line
when MODE_LINES wants it to take actual mode line heights into
account (Bug#38181).

; Revert parts of previous commit

* admin/unidata/unidata-gen.el (unidata-gen-table)
(unidata-gen-table-symbol, unidata-gen-table-integer)
(unidata-gen-table-numeric, unidata-gen-table-word-list)
(unidata-describe-decomposition):
* lisp/composite.el (unicode-category-table):
* lisp/files.el (recover-file):
* lisp/frame.el (frames-on-display-list, frame-background-mode):
* lisp/language/indian.el (script-regexp-alist): Revert parts of
previous commit; it seemed innocent but caused issues.

Remove redundant #' before lambda

* admin/unidata/unidata-gen.el (unidata-gen-table)
(unidata-gen-table-symbol, unidata-gen-table-integer)
(unidata-gen-table-numeric, unidata-gen-table-word-list)
(unidata-describe-decomposition):
* lisp/apropos.el (apropos-user-option):
* lisp/bookmark.el (bookmark-bmenu-search):
* lisp/composite.el (unicode-category-table):
* lisp/elec-pair.el (electric-pair--balance-info):
* lisp/electric.el (electric-quote-chars):
* lisp/emulation/cua-base.el (cua-rectangle-mark-key):
* lisp/epa-hook.el (epa-file-encrypt-to):
* lisp/faces.el (face-font-selection-order)
(face-font-family-alternatives, face-font-registry-alternatives)
(face-valid-attribute-values, tty-run-terminal-initialization):
* lisp/files.el (recover-file, file-expand-wildcards):
* lisp/frame.el (frames-on-display-list):
* lisp/help-at-pt.el (help-at-pt-display-when-idle):
* lisp/help-fns.el (help-fns--face-attributes):
* lisp/ido.el (ido-mode, ido-unc-hosts):
* lisp/isearch.el (isearch-highlight-regexp)
(isearch-highlight-lines-matching-regexp):
* lisp/language/indian.el (script-regexp-alist):
* lisp/language/lao.el:
* lisp/leim/quail/ipa.el (ipa-x-sampa-prepend-to-keymap-entry):
* lisp/mh-e/mh-folder.el (mh-process-commands):
* lisp/mh-e/mh-mime.el (mh-display-with-external-viewer):
* lisp/ps-mule.el (ps-mule-end-job):
* lisp/ps-print.el (ps-color-scale, ps-background-pages)
(ps-background-text, ps-background-image, ps-background)
(ps-begin-job, ps-print-translation-table):
* lisp/recentf.el (recentf-sort-ascending)
(recentf-sort-descending, recentf-sort-basenames-ascending)
(recentf-sort-basenames-descending)
(recentf-sort-directories-ascending)
(recentf-sort-directories-descending):
* lisp/replace.el (occur-engine-add-prefix):
* lisp/select.el (xselect--encode-string):
* lisp/server.el (server-use-tcp):
* lisp/ses.el (ses-sort-column):
* lisp/sort.el (sort-columns):
* lisp/term/ns-win.el (window-system-initialization):
* lisp/tree-widget.el (tree-widget-image-formats):
* lisp/whitespace.el (whitespace-report-region): Remove redundant #'
before lambda.

Add comment on reworking a section in emacs-lisp-intro.texi

* doc/lispintro/emacs-lisp-intro.texi (Body of mark-whole-buffer):
Add comment about how one could rework this section.

Configure Emacs on emba with debug options

* test/infra/Dockerfile.emba (emacs-base): Install gdb.
(emacs-inotify): Configure debug options.

Actually fix the Pango build problem

* src/gtkutil.c (xg_weight_to_symbol): Don't break the build on
older systems.

Merge from origin/emacs-28

0545c70c16 (origin/emacs-28) ; * src/keyboard.c (readable_events): Ad...
805ed8d318 Fix todo-mode AOT test failures (bug#51308)
8f42ff31f6 Fix hi-lock AOT test failures (bug#51308)
8002fcd4b9 Fix socks test
4540130312 ; Fix typo
59df93e2dd * lisp/help.el (help--analyze-key): Add new arg BUFFER (bu...
cb8b12b56d Improve docstrings and NEWS item of 'repeat-mode'
06fe499614 * lisp/tab-bar.el (tab-bar-menu-bar): New command (bug#512...
8358da9c4c Display a tab bar item as sunken when appropriate
29fdc65860 Fix tab bar item highlight when a mouse click is dropped
7236592668 Refer to mouse-highlight from make-pointer-invisible docst...
cf4394a397 * etc/PROBLEMS: Add hex codepoint for NO-BREAK SPACE
2d647e88fa Describe how to debug fontconfig issues
c916040921 Adapt Tramp tests
1bb14f93f1 Convert ANSI color definitions in themes to use faces (e.g...
8e7cd29712 Revert "Revert back to using ESC as viper-ESC-key again"
91d71b38a3 Fix inset rectangle corners when sides aren't drawn (bug#5...
5c1a575ef4 Don't use color escape sequences in vc-git-expanded-log-entry
d7f595cc89 Code cleanup in tramp-tests.el
548a5db611 ; etc/NEWS fix wording

# Conflicts:
# etc/NEWS

Fix build on systems with older Pango versions

* src/gtkutil.c (xg_weight_to_symbol): Don't break the build on
older systems.

Fix bold/black in w32_to_fc_weight

* src/w32font.c (w32_to_fc_weight): Use symbols.

; * src/keyboard.c (readable_events): Add a comment.

Fix todo-mode AOT test failures (bug#51308)

Fix hi-lock AOT test failures (bug#51308)

Fix socks test

* test/lisp/net/socks-tests.el (socks-tests-v4-basic): Fix failure
under native-comp (bug#51308).

Add a comment to the Turkish casefiddle test

Support the "medium" font weight

* lisp/faces.el (set-face-attribute): Mention new font weights in
doc string.
* src/font.c (struct table_entry): Allow more synonyms.
(weight_table): Expand to support separating medium and normal
weights.  Also add heavy/ultra-heavy and some other variants.
(font_parse_fcname): Support more names.

* src/gtkutil.c (xg_weight_to_symbol): Support all the Pango weights.
(xg_style_to_symbol): Make into functions.
(xg_get_font): Adjust.

* src/w32font.c (w32_to_fc_weight): Use symbols.

* src/xfaces.c (syms_of_xfaces): Add the new symbols.

Add some tests for floatfns.c

* test/src/floatfns-tests.el (floatfns-tests-cos)
(floatfns-tests-sin, floatfns-tests-tan, floatfns-tests-isnan)
(floatfns-tests-exp, floatfns-tests-expt, floatfns-tests-log)
(floatfns-tests-sqrt, floatfns-tests-abs, floatfns-tests-logb)
(floatfns-tests-ceiling, floatfns-tests-floor)
(floatfns-tests-round, floatfns-tests-truncate)
(floatfns-tests-fceiling, floatfns-tests-ffloor)
(floatfns-tests-fround, floatfns-tests-ftruncate)
(divide-extreme-sign): New tests.

; Fix typo

* lisp/help.el (help--analyze-key): Add new arg BUFFER (bug#51173).

* lisp/help.el (describe-key): Use BUFFER as arg for help--analyze-key.
(describe-key-briefly): Change arg UNTRANSLATED deprecated in 27.1
to BUFFER.

* lisp/gnus/gnus-art.el (gnus-article-describe-key)
(gnus-article-describe-key-briefly): Call describe-key and
describe-key-briefly with first arg as a cons with raw keys,
and the BUFFER arg set to the current buffer.

Improve docstrings and NEWS item of 'repeat-mode'

* lisp/repeat.el (repeat-exit-timeout, repeat-echo-function)
(repeat-in-progress, repeat-map): Update docstrings.

* lisp/tab-bar.el (tab-bar-menu-bar): New command (bug#51247).

(tab-bar-format): Rename option 'tab-bar-format-menu-global' to
'tab-bar-format-menu-bar'.
(tab-bar-format-menu-bar): Rename from 'tab-bar-format-menu-global'.

Display a tab bar item as sunken when appropriate

When the mouse pointer is pressed on the tab bar, moved out of the tab
bar, and moved back in, it would be more appropriate to behave like
other programs by displaying the item as sunken.

* src/xdisp.c (note_tab_bar_highlight): Display item as sunken if the
mouse pointer returns to the tab bar down.

Fix tab bar item highlight when a mouse click is dropped

* src/xdisp.c (note_mouse_highlight): Clear last_tab_bar_item if the
movement wasn't made on top of the tab bar.

Refer to mouse-highlight from make-pointer-invisible docstring

* src/frame.c (syms_of_frame) <Vmake_pointer_invisible>: Doc fix;
add reference to 'mouse-highlight'.  (Bug#42889)

* etc/PROBLEMS: Add hex codepoint for NO-BREAK SPACE

Describe how to debug fontconfig issues

* etc/PROBLEMS: Add FC_DEBUG usage pointers.

Adapt Tramp tests

* test/lisp/net/tramp-archive-tests.el (tramp-archive-test45-auto-load):
Adapt code snippet.

* test/lisp/net/tramp-tests.el (tramp-test29-start-file-process)
(tramp-test30-make-process): Adapt tests.
(tramp--test-supports-set-file-modes-p): Renamed from
`tramp--test-supports-file-modes-p'.  Adapt all callees.
(tramp-test35-exec-path): Use it.

; * etc/NEWS: fix typos

Fix typo in previous smerge-mode-map change

* lisp/vc/smerge-mode.el (smerge-mode-map): Fix typo (bug#51303).

Convert ANSI color definitions in themes to use faces (e.g. 'ansi-color-red')

* etc/themes/dichromacy-theme.el:
* etc/themes/leuven-theme.el:
* etc/themes/misterioso-theme.el:
* etc/themes/tango-theme.el:
* etc/themes/tango-dark-theme.el:
* etc/themes/wombat-theme.el: Convert ANSI color definitions to
use faces.

Avoid excessive specbinding in all-completions

* src/minibuf.c (match_regexps):
(Ftry_completion):
(Fall_completions):
(Ftest_completion): Use fast_string_match_internal to match against
regexps in completion-regexp-list without having to bind
case-fold-search.

Revert "Revert back to using ESC as viper-ESC-key again"

This reverts commit 5d522b430bd5ecfb8f082906cd634883dbb68f3e.

The change led to M-x not working in non-gui Emacsen (bug#51253).

Further fixes for Turkish case changes in unibyte strings

* src/casefiddle.c (struct casing_context): Add new slot to keep
track of what the previous operation was.
(case_character_impl): Set it.
(do_casify_unibyte_string): Use it to handle Turkish correctly.

Add new macro with-locale-environment

* lisp/international/mule-cmds.el (with-locale-environment): New macro.
(current-locale-environment): New variable.

Add some tests for fns.c

* test/src/fns-tests.el (fns-tests-identity, fns-tests-random)
(fns-tests-length, fns-tests-safe-length)
(fns-tests-string-bytes): New tests.

Remove some XEmacs compat code from custom.el

* lisp/custom.el (deftheme, custom-declare-theme): Remove XEmacs
compat code.

xref.el: Better compatibility with outdated Emacs 28 builds

* lisp/progmodes/xref.el:
Ensure better compatibility with outdated Emacs 28 builds as well
(like the pgtk branch).  Bump the version.

* doc/lispref/files.texi (File Name Components): Mention GNU "path" convention

Make image-tests work in a no-x build

* test/src/image-tests.el: Make the tests work in a no-x build
(bug#51291).

Tweak how 'align' and 'align-regexp' align text

* lisp/align.el (align-rules-list): Change to work without `C-u'.
(align): Doc clarification.
(align-regexp): Ditto, and change default `C-u' regexp from
"\\(\\s-*\\)" to "\\(\\s-*\\)" so that it'll make things columnar
if the user just hits RET through all the defaults.

Fix inset rectangle corners when sides aren't drawn (bug#51251)

* src/nsterm.m (ns_draw_relief): Make the inner rectangle line up with
the outer rectangle's edges where the edges aren't drawn.

Improve TCO test coverage

* test/lisp/emacs-lisp/cl-macs-tests.el (cl-macs--labels):
Exercise `cond` in tail position in two different ways.

Make downcasing unibyte strings in Turkish less wrong

* src/casefiddle.c (ascii_casify_character): New function.
(do_casify_unibyte_string): Use it to make downcasing tr_TR.UTF-8
"I" less wrong.
(Fdowncase): Mention caveats.
(Fupcase):
(Fcapitalize):
(Fupcase_initials): Refer to details in `downcase'.
(syms_of_casefiddle): Define more symbols.

Don't use color escape sequences in vc-git-expanded-log-entry

* lisp/vc/vc-git.el (vc-git-expanded-log-entry): Use '--no-color' flag
in git invocation.  (Bug#51262)

Copyright-paperwork-exempt: yes

Code cleanup in tramp-tests.el

* test/lisp/net/tramp-tests.el (tramp-test29-start-file-process)
(tramp-test30-make-process): Extend tests.
(tramp--test-out-of-band-p): New defun.
(tramp--test-windows-nt-and-out-of-band-p)
(tramp-test42-utf8-with-stat, tramp-test42-utf8-with-perl)
(tramp-test42-utf8-with-ls): Use it.
(tramp--test-windows-nt-or-smb-p): Use `tramp--test-windows-nt-p'.

; etc/NEWS fix wording

Merge from origin/emacs-28

d742cc3c20 (origin/emacs-28) ; etc/NEWS: Fix typos
28db29590f * admin/notes/unicode: Refer to Unicode's emoji-style.txt
9bd2f59db6 Handle VS-16 correctly for non-emoji codepoints
e55e2d4a11 ; * etc/NEWS: Minor copyedit about 'repeat-mode'.
380981ddb5 Adjust bug-reference-bug-regexp default values to match on...
c1cf95a0e1 ; * doc/emacs/windows.texi: Doc fix.
98eb6d783a Fix a typo in emacs-lisp-intro.texi
f5b8f626e3 Fix some Tramp problems
fc988a7113 Adapt Tramp manual
0c241043a8 Further fixes to Elisp manual
8e8a920246 * lisp/progmodes/cc-engine.el (c-forward-decl-or-cast-1): ...
5a3242301d Rename tab-bar-drag-maybe to tab-bar--dragging-in-progress
bb4209a5a5 Fix xref elisp identifier namespace mistake

# Conflicts:
# etc/NEWS

* lisp/progmodes/xref.el: Bump version.

Fix Emacs 26 support in xref.el

* lisp/progmodes/xref.el (xref--defstruct): New macro.
(xref-item, xref-match-item): Use it in definitions.

; etc/NEWS: Fix typos

* admin/notes/unicode: Refer to Unicode's emoji-style.txt

Handle VS-16 correctly for non-emoji codepoints

* admin/unidata/blocks.awk: Remove emoji overrides for codepoints with
Emoji_Presentation = No, they're no longer necessary.
* lisp/composite.el: Remove #xFE0F (VS-16) from the range handled by
`compose-gstring-for-variation-glyph' so it can be handled by
`font_range'.
* src/composite.c (syms_of_composite): New variable
`auto-composition-emoji-eligible-codepoints'.
* admin/unidata/emoji-zwj.awk: Generate value for
`auto-composition-emoji-eligible-codepoints'.  Add
`composition-function-table' entries for 'codepoint + U+FE0F' for
them.
* src/font.c (codepoint_is_emoji_eligible): New function to check if
we should try to use the emoji font for a codepoint.
(font_range): Use it.

; * etc/NEWS: Minor copyedit about 'repeat-mode'.

* etc/NEWS: Move sql entry up.  Fix typos.

Adjust bug-reference-bug-regexp default values to match only at beg of word

Previously, the "bug 1" in "(debug 1)" has also been highlighted.

* lisp/progmodes/bug-reference.el (bug-reference-bug-regexp)
(bug-reference--setup-from-vc-alist,bug-reference-setup-from-mail-alist)
(bug-reference-setup-from-irc-alist): Adjust bug-reference-bug-regexp
default values to match only at the beginning of a word.

SQL mode supports sending passwords in process

Added sql-add-connection

* lisp/progmodes/sql.el (sql-add-connection): Added.

; * doc/emacs/windows.texi: Doc fix.

* doc/emacs/windows.texi (Window Choice): Make example a valid
alist (bug#51274).

Make `lookup-key' understand the new key sequence syntax

* src/keymap.c (possibly_translate_key_sequence): Factored out
into own function.
(Fdefine_key):
(Flookup_key): Use it.

Error out on invalid `define-keymap' keywords

* lisp/subr.el (define-keymap--define): Error out on invalid
keywords (bug#51268).

* lisp/emacs-lisp/byte-opt.el (byte-optimize-define-keymap): Check
keywords at compile time.
* lisp/vc/cvs-status.el (cvs-status-mode-map): Fix keyword.

Fix diff-mode-shared-map

* lisp/vc/diff-mode.el (diff-mode-shared-map): Fix syntax error in
`defvar-keymap' change.

Fix a typo in emacs-lisp-intro.texi

* doc/lispintro/emacs-lisp-intro.texi (Lisp Atoms): Fix typo.
Reported by Mor Zahavi <morzahavi@me.com>.  (Bug#51271)

Add tests for image.c

* test/src/image-tests.el: New file.

Fix some Tramp problems

* lisp/net/tramp-adb.el (tramp-adb-file-name-handler-alist):
Use `tramp-adb-handle-file-executable-p' and
`tramp-adb-handle-file-readable-p'.
(tramp-adb-handle-file-executable-p)
(tramp-adb-handle-file-readable-p): New defuns.
(tramp-adb-handle-file-writable-p): Simplify.
(tramp-adb-handle-make-process): Handle :filter being t.
(tramp-adb-find-test-command): Remove.

* lisp/net/tramp-sh.el (tramp-sh-handle-file-readable-p):
* lisp/net/tramp-sudoedit.el (tramp-sudoedit-handle-file-readable-p):
* lisp/net/tramp-gvfs.el (tramp-gvfs-file-name-handler-alist):
Use `tramp-handle-file-readable-p'.
(tramp-gvfs-handle-file-executable-p): Do not check whether file
exists, this is done in `tramp-check-cached-permissions'.
(tramp-gvfs-handle-file-readable-p): Remove.

* lisp/net/tramp.el (tramp-error): Move binding of `inhibit-message' ...
(tramp-signal-hook-function): ... here.
(tramp-handle-access-file): Rewrite.
(tramp-handle-file-readable-p): New defun.
(tramp-handle-make-process): Setting :filter to t works since
Emacs 29.1 only.

* test/lisp/net/tramp-tests.el (tramp-test17-insert-directory)
(tramp-test18-file-attributes): Extend tests.

Adapt Tramp manual

* doc/misc/tramp.texi: Use @uref instead of @url.
(Frequently Asked Questions): Adapt ELPA references.

Further fixes to Elisp manual

* doc/lispref/frames.texi (Frame Layout): Index "tab bar" instead
of "internal tab bar".
(Implied Frame Resizing): Remove irritating hyphens.
* doc/lispref/windows.texi (Windows and Frames): Remove paragraph
relating 'minibuffer-window' to 'window-list'.

* lisp/progmodes/cc-engine.el (c-forward-decl-or-cast-1): check type-start

Check type-start is non-nil at L659 of the function.

Rename tab-bar-drag-maybe to tab-bar--dragging-in-progress

* lisp/tab-bar.el (tab-bar--event-to-item, tab-bar-mouse-down-1)
(tab-bar-mouse-move-tab): Rename tab-bar-drag-maybe to
tab-bar--dragging-in-progress.

* src/xdisp.c (note_mouse_highlight): Rename tab_bar_drag_maybe to
tab_bar__dragging_in_progress.

Fix xref elisp identifier namespace mistake

Pressing `M-.` on ALPHA in

  (let ((ALPHA BETA)) ...)

would incorrectly search for ALPHA as a function rather than a variable.

* lisp/progmodes/elisp-mode.el (elisp--xref-infer-namespace): Fix logic.
* test/lisp/progmodes/elisp-mode-tests.el
(elisp-mode-infer-namespace): Add test case.

Merge from origin/emacs-28

c163fd9260 (origin/emacs-28) Minor fixes for recent changes in ELisp ...
fefada4816 Fix example in calc manual
e74e17c1f0 Rewrites of Elisp manual including tab-bar and tab-line ch...
3b138917b7 ; * INSTALL: Fix typo.
ce71446585 * lisp/tab-bar.el: Improve docstrings (bug#51247)
ace4ce16a3 * lisp/tab-bar.el (tab-bar-mouse-move-tab): Don't drag tab...
04716ca48f Add tab-bar-drag-maybe for indication of tab dragging (bug...
81e3697600 * lisp/tab-bar.el: Add a new tab on [mouse-1] instead of [...
a191d3c725 Add new and fix existing docstrings in tab-bar.el and tab-...
77dbaedadc Add tab bar support to the nextstep port
7b6fb486c2 Fix potential buffer overflow (bug#50767)
ed9f5546aa Improve doc strings in tab-line.el
686a03ee22 More documentation fixes in tab-bar.el
35920791df Improve doc strings of tab-bar commands
2d15db6e89 Fix a semantic test on some macOS machines
ac6ac76e3a Update to Org 9.5-57-g9bc3a2

Minor fixes for recent changes in ELisp manual

* doc/lispref/windows.texi (Basic Windows, Windows and Frames)
(Selecting Windows):
* doc/lispref/objects.texi (Window Type):
* doc/lispref/frames.texi (Input Focus, Frame Layout): Fix
wording, punctuation, and indexing.

Fix example in calc manual

* doc/misc/calc.texi (Arithmetic Tutorial): Fix sign in the
example (bug#51265).

*-watch-for-password-prompt: Use run-at-time to read password

* lisp/comint.el (comint-watch-for-password-prompt):
* lisp/eshell/esh-mode.el (eshell-watch-for-password-prompt):
* lisp/term.el (term-watch-for-password-prompt):
Use run-at-time to read a password (bug#51263).

Add some defvar indent tests

Mention that we now install the pdmp file with a fingerprinted name

Add indentation rules for DEFUN's def* functions

Update elp-not-profilable

* lisp/emacs-lisp/elp.el (elp-not-profilable): Update list of
denied functions (bug#40335).

Remove the "def" indentation heuristic

* lisp/emacs-lisp/lisp-mode.el (lisp-indent-function): Don't
indent function calls with names that that start with "def"
specially (bug#43329).

Rewrites of Elisp manual including tab-bar and tab-line changes

* doc/lispref/buffers.texi (Current Buffer, Buffer List): Update
references to 'selected-window'.
* doc/lispref/elisp.texi (Top): Move up Selecting Windows section
in front of Window Sizes section.
* doc/lispref/frames.texi (Creating Frames): Say window system
instead of windowing system.
(Frame Layout): Add Tab Bar to layout.
(Layout Parameters): Add 'tab-bar-lines'.
(Input Focus): Say window system window instead of window
manager window.  Fix reference to 'selected-window'.
* doc/lispref/objects.texi (Window Type): Minor rewrite.
* doc/lispref/windows.texi (Basic Windows): Rewrite.  Settle on
term 'window system window' for disambiguation with our windows.
Move 'selected-window' description to Selecting Windows section.
Move schematic of window structure here.  Use 'decorations' for
objects outside the window body.  Say that the areas reserved
for continuation and truncation glyphs, vertical dividers and
line numbers are part of the window body.
(Windows and Frames): Minor rewrite, adding and fixing some
cross references.  Move live window schematic to 'Basic Windows'
section.
(Selecting Windows): Move section in front of Window Sizes
section.  Move description of 'selected-window' here.  Move up
description of 'frame-selected-window' and
'set-frame-selected-window'.  Update and move description of
'window-bump-use-time' here.
(Window Sizes): Throughout use the term 'decorations' instead of
enumerating them individually.  Add 'window-tab-line-height'
description.
(Resizing Windows): Again use the term 'decorations' instead of
enumerating them individually.
(Splitting Windows): Minor fix.
(Cyclic Window Ordering): Improve descriptions of 'get-lru-window'
and 'get-mru-window'.  Move 'window-bump-use-time' to Selecting
Windows section.
(Coordinates and Windows, Window Configurations): Once more use
the term 'decorations' instead of enumerating them individually.
* src/window.c (Fwindow_bump_use_time): Move after
'window-use-time'.  Make it work for live windows only.  Make
WINDOW argument optional.  Update doc-string.

Fontify :doc keywords as documentation

* lisp/emacs-lisp/lisp-mode.el (lisp-string-after-doc-keyword-p):
Extend to :doc, too (bug#51230).

New option show-paren-context-when-offscreen

* lisp/simple.el (blink-paren-open-paren-line-string): Extract
functionality that shows the open paren line in the echo area into its
own function, to reuse it from paren.el.
(blink-matching-open): Use blink-paren-open-paren-line-string.
* lisp/paren.el (show-paren-context-when-offscreen): New option
show-paren-context-when-offscreen.
(show-paren-function): Implement it using
blink-paren-open-paren-line-string.
* lisp/emacs-lisp/eldoc.el (eldoc-display-message-no-interference-p):
Make sure the feature works well with eldoc.
* test/lisp/paren-tests.el (paren-tests-open-paren-line): Test
blink-paren-open-paren-line-string.
* doc/emacs/programs.texi (Matching): Update the documentation.
* etc/NEWS: And announce the new feature.

Fix possible build issue in pcvs.el and diff-mode.el

* lisp/vc/pcvs.el (easy-mmode):
* lisp/vc/diff-mode.el (easy-mmode): Require.

Add sample user function in eww-auto-rename-buffer

* eww.el (eww-auto-rename-buffer): Update doc string.

Fix bug#51176.

Co-authored-by: Abhiseck Paira <abhiseckpaira@disroot.org>
Co-authored-by: Protesilaos Stavrou <info@protesilaos.com>

Fix build issue with smerge-mode

* lisp/vc/smerge-mode.el (easy-mmode): Require.

Allow :filter t in make-process to work as with set-process-filter

* src/process.c (create_process):
(create_pty):
(Fmake_pipe_process):
(Fmake_serial_process): Don't add the read_fd if the filter is t
(which means that we don't accept output from the filter).

Do kbd-valid-p prefix comparisons case-sensitively

* lisp/subr.el (kbd-valid-p): Compare case-sensitively.

; * INSTALL: Fix typo.

Recommend against using uce.el

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

* lisp/erc/erc-compat.el (format-spec): Remove redundant require.

Prefer defvar-local in MH-E

* lisp/mh-e/mh-comp.el (mh-insert-auto-fields-done-local):
* lisp/mh-e/mh-e.el (mh-thread-scan-line-map)
(mh-thread-scan-line-map-stack):
* lisp/mh-e/mh-identity.el (mh-identity-pgg-default-user-id)
(mh-identity-local):
* lisp/mh-e/mh-scan.el (mh-cmd-note):
* lisp/mh-e/mh-seq.el (mh-non-seq-mode-line-annotation):
* lisp/mh-e/mh-thread.el (mh-thread-id-hash)
(mh-thread-subject-hash, mh-thread-id-table)
(mh-thread-index-id-map, mh-thread-id-index-map)
(mh-thread-subject-container-hash, mh-thread-duplicates)
(mh-thread-history): Prefer defvar-local.

Make thumbs-image-type obsolete

* lisp/thumbs.el (thumbs-image-type): Make into obsolete function
alias for 'image-type-from-file-name'.  Update callers.

Use define-keymap in pcvs and pcvs-defs.el

* lisp/vc/pcvs-defs.el (cvs-mode-diff-map):
* lisp/vc/pcvs.el (pcvs-defs):
(cvs-mode-diff-map): Move maps to pcvs (because the commands are
defined in pcvs.el and #' gives us checking) and transform from
easy-mmode-defmap to define-keymap.

Convert diff-mode.el from easy-mmode-defmap to define-keymap

* lisp/vc/diff-mode.el (diff-mode-shared-map, diff-mode-map)
(diff-minor-mode-map): Convert from easy-mmode-defmap to
defvar-keymap.

Convert smerge-mode.el from easy-mmode-defmap to define-keymap

* lisp/vc/smerge-mode.el (smerge-basic-map, smerge-mode-map):
Convert form easy-mmode-defmap to define-keymap.

Add kbd examples to the doc string

* lisp/subr.el (kbd): Add some examples to the doc string.

Reverse the edmacro-parse-keys/kbd vector/string logic

* lisp/edmacro.el (edmacro-parse-keys): Convert to a vector if
needed.
* lisp/subr.el (kbd): Remove the NEED-VECTOR parameter.

Allow <mouse-1> in kbd-valid-p

* lisp/subr.el (kbd-valid-p): Allow (kbd-valid-p "<mouse-1>").

Reinstate defvar-keymap expansion

* lisp/emacs-lisp/byte-opt.el
(byte-optimize-define-keymap--define): Make more robust.

Back out `define-keymap' optimization -- it leads to a build error