Don't put trailing optional nil values into `command-history'

* src/callint.c (fix_command): Don't put trailing optional nil
values into `command-history' (bug#45333).

Fix macOS parallel bootstrap error (bug#55846)

* nextstep/Makefile.in (${ns_appdir}):
Change to a single-target rule to avoid the same actions being
executed in parallel.

Mention the REQUIRE-MATCH extension in NEWS

Allow specifying a wildcard argument to list-directory again

* lisp/files.el (list-directory): Allow specifying a wildcard
argument interactively again (bug#55877).

Allow REQUIRE-MATCH to be a function

* doc/lispref/minibuf.texi (Minibuffer Completion): Document it.

* lisp/minibuffer.el (completion--complete-and-exit): Allow
REQUIRE-MATCH to be a function.
(read-file-name): Mention it.

* src/minibuf.c (Fcompleting_read): Mention it.

Fix receiving drops from drop-only Motif programs

* lisp/x-dnd.el (x-dnd-xm-read-targets-table): Fix doc string.
(x-dnd-handle-motif): Recompute types and state on XmDROP_START
if no state already exists.

Eliminate extra call to XTranslateCoordinates looking for drop target

* src/xterm.c (x_dnd_get_target_window): Translate coordinates
starting from the root window and avoid extra sync.

Merge from origin/emacs-28

22a832ad82 Mention the #f syntax from cl-prin1

; Merge from origin/emacs-28

The following commit was skipped:

3fd0854378 Fix file name quoting in tramp-smb.el (do not merge)

Merge from origin/emacs-28

d02c94090c Fix error reporting in process-async-https-with-delay
9a4862a973 * doc/misc/org.org: Remove spurious markup.
768ed1476a Make Tramp version check more robust
7f778c6943 Fix debugging with GDB when a breakpoint has multiple loca...
25e53e9391 ; * lisp/files.el (file-expand-wildcards): Doc fix.
3ea9357d10 Update documentation of 'aset' and 'store-substring'

# Conflicts:
# lisp/files.el

Add tests for x-dnd Motif value parsing logic

* test/lisp/x-dnd-tests.el: New file.

Don't rely on TARGETS to read selection targets for Motif DND

* lisp/x-dnd.el (x-dnd-types-alist):
(x-dnd-known-types): Fix formatting.
(x-dnd-xm-unpack-targets-table-header):
(x-dnd-xm-read-single-rec):
(x-dnd-xm-read-targets-table):
(x-dnd-xm-read-targets): New functions.
(x-dnd-handle-motif): Read targets from the targets table
of the drag window instead of the selection's TARGET target.

Fix crashes in x_tooltip_window_to_frame on GTK

* src/xterm.c (x_tooltip_window_to_frame): Ignore all non-X
frames instead of trying to get their tooltip window.

* src/haikuselect.c (haiku_note_drag_motion): Only handle visible tip_f.

Fix DND tooltip handling with tooltip-reuse-hidden-frame

* src/xterm.c (x_dnd_update_tooltip_position): Don't move window
if tip_f is not visible.

Update the 'etags' test suite

* ETAGS.good_1:
* ETAGS_good_2:
* ETAGS_good_3:
* ETAGS_good_4:
* ETAGS_good_5:
* ETAGS_good_6: Adapt to recent changes in test sources.

* lib-src/etags.c (C_entries): Add commentary for resetting
bracelev.  (Bug#45246)

; * src/window.c (window_body_unit_from_symbol): Fix Lisp EQ.

Adjust browse-url test after previous browse-url change

Make browse-url-encode-url encode even less

* lisp/net/browse-url.el (browse-url-encode-url): Don't encode
dollar signs, because that's out of spec (bug#55873).

Improve `C-h b' output for remapped commands.

* lisp/help.el (describe-map): Include the bindings of the
remapped commands (bug#14084).

This will result in output like this, instead of just listing the
remapped commands:

<remap> <display-buffer>                ido-display-buffer
C-x 4 C-o                               display-buffer
<remap> <display-buffer-other-frame>    ido-display-buffer-other-frame
C-x 5 C-o                               display-buffer-other-frame
<remap> <insert-buffer>                 ido-insert-buffer
C-x x i                                 insert-buffer
<remap> <kill-buffer>                   ido-kill-buffer
C-x k                                   kill-buffer
<remap> <switch-to-buffer>              ido-switch-buffer
C-x b                                   switch-to-buffer
<remap> <switch-to-buffer-other-frame>  ido-switch-buffer-other-frame
C-x 5 b                                 switch-to-buffer-other-frame
<remap> <switch-to-buffer-other-window> ido-switch-buffer-other-window
C-x 4 b                                 switch-to-buffer-other-window

New setting for mouse-drag-copy-region to not put "" onto kill ring

* doc/emacs/frames.texi (Mouse Commands): Document it.
* lisp/mouse.el (mouse-drag-copy-region): Add value (bug#17211)
for not putting "" strings onto the kill ring.
(mouse-set-region, mouse-save-then-kill): Use the new value.

Fix recalculation of `icon-title-format' after a frame is iconified

Previously it would only happen upon the next mode line
redisplay, meaning that just pressing C-z would not update the
implicit title, since C-z doesn't cause a redisplay.

* src/dispextern.h: Update prototypes.
* src/frame.h (SET_FRAME_ICONIFIED): De-slugify.  Call
`gui_consider_frame_title', since `icon-title-format' might be
different from the current frame title.
* src/xdisp.c (gui_consider_frame_title): Export (also in
dispextern.h).  (bug#55850)

Mention the #f syntax from cl-prin1

* doc/lispref/objects.texi (Special Read Syntax): Mention #f,
which is in cl-prin1 output (bug#55853).

Fix file name quoting in tramp-smb.el (do not merge)

* lisp/net/tramp-smb.el (tramp-smb-handle-write-region): Quote tmpfile.
(tramp-smb-get-localname): Remove superfluous test.  (Bug#55855)

* test/lisp/net/tramp-tests.el (tramp-test03-file-name-method-rules):
Remove superfluous checks.

Make `line-number-at-pos' work more like in earlier Emacs versions

* src/fns.c (Fline_number_at_pos): Allow calling with position
outside the region if called with ABSOLUTE non-nil (bug#55847).
This isn't announced in the doc string, but makes function
compatible with the version in earlier Emacs versions.

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

Never return tooltip frames from ns-begin-drag

* src/nsterm.m ([EmacsWindow draggedImage:movedTo:]):
([EmacsWindow beginDrag:forPasteboard...]): Don't return frame
if tooltip.

; Fix typos in Kharoshthi script support

* etc/HELLO:
* lisp/leim/quail/misc-lang.el ("kharoshthi"):
* lisp/language/misc-lang.el ("Kharoshthi"): Fix typos.

Handle monitor attribute updates during drag-and-drop

* src/xterm.c (x_monitors_changed_cb):
(handle_one_xevent): Set x_dnd_monitors during monitor changes.

Add support for the Kharoshthi script

* etc/NEWS: Announce the new language environment and script.
* etc/HELLO: Add Kharoshthi greeting.

* lisp/leim/quail/misc-lang.el ("kharoshthi"): New input method.
* lisp/language/misc-lang.el ("Kharoshthi"): New language
environment.  Set up composition rules for Kharoshthi.
(Bug#55539)

Satisfy GCC warnings on the GNUstep build

* src/nsfns.m (ns_move_tooltip_to_mouse_location):
* src/nsterm.m ([EmacsWindow draggedImage:movedTo:]): Pacify GCC.

Disable tooltip timeouts for drag-and-drop tooltips

* lisp/mouse.el (mouse-drag-and-drop-region-display-tooltip):
Don't time out the created tooltip.

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

Implement `follow-tooltip' on NS as well

* lisp/term/ns-win.el (x-begin-drag): Pass `follow-tooltip'.
* src/nsfns.m (Fx_show_tip): Record last dx and dy.
(syms_of_nsfns): New staticpros.
* src/nsmenu.m ([EmacsTooltip moveTo:]): New method.

* src/nsselect.m (Fns_begin_drag): New parameter
`follow-tooltip'.

* src/nsterm.h (@interface EmacsWindow):
(EmacsTooltip): Update prototypes.
* src/nsterm.m ([EmacsWindow draggedImage:movedTo:]): Move any
tooltip to the right location.
([EmacsWindow beginDrag:forPasteboard...]): New parameter
`followTooltip'.

Note caveats of `follow-tooltip' with system tooltips

* lisp/mouse.el (mouse-drag-and-drop-region): Turn off system
tooltips inside.
* src/xfns.c (Fx_begin_drag): Say that follow-tooltip doesn't
work with system tooltips.

; * doc/lispref/processes.texi (Bindat Types): Fix wording.  (Bug#55815)

bindat: Improve str, strz documentation

* doc/lispref/processes.texi (Bindat Types): Expand the documentation
for the `str' and `strz' types to clarify expectations and explain
edge case behavior.

Implement `follow-tooltip' for DND on Haiku

* lisp/term/haiku-win.el (x-begin-drag): Implement
`follow-tooltip'.
* src/haikufns.c (Fx_show_tip): Record last dx and dy.
(syms_of_haikufns): New staticpros.

* src/haikuselect.c (haiku_unwind_drag_message): Clear new flag.
(Fhaiku_drag_message): New argument `follow-tooltip'.  Set new
flag.
(haiku_dnd_compute_tip_xy): New function.
(haiku_note_drag_motion): Move tooltip if flag is true.

* src/haikuterm.c (haiku_read_socket): Don't generate help event
if mouse moves onto a tooltip during DND.
* src/haikuterm.h: Update prototypes.

Account for remapped faces in $COLUMNS and $LINES in Eshell

* src/window.h (window_body_unit): New enum...
(window_body_width): ... use it.

* src/window.c (window_body_unit_from_symbol): New function.
(window_body_height, window_body_width): Make PIXELWISE a
'window_body_unit'.
(window-body-height, window-body-width): Accept 'remap' for PIXELWISE.
(window-lines-pixel-dimensions, window_change_record_windows)
(run_window_change_functions, resize_frame_windows, grow_mini_window)
(shrink_mini_window, scroll-left, scroll-right): Update calls to
'window_body_height' and 'window_body_width'.

* src/indent.c (compute_motion): Update calls to 'window_body_width'.

* lisp/eshell/em-ls.el (eshell-ls-find-column-widths)
(eshell-ls-find-column-lengths): Use 'window-body-width'.

* lisp/eshell/esh-var.el (eshell-variable-aliases-list): Use
'window-body-width' and 'window-body-height'.

* test/lisp/eshell/esh-var-tests.el (esh-var-test/window-height)
(esh-var-test/window-width): Rename to...
(esh-var-test/lines-var, esh-var-test/columns-var): ... and update
expected value.

* doc/lispref/windows.texi (Window Sizes): Document new behavior of
PIXELWISE argument for 'window-body-width' and 'window-body-height'.

* etc/NEWS: Announce this change (bug#55696).

Revert "* src/comp.c (Fcomp_el_to_eln_filename): Update error message."

This reverts commit ec987e3e1786d06ffd306e5717b4d7fd118f05ac.
This change was installed on the emacs-28 branch instead.

Allow C-x 4 4, C-x 5 5, C-x t t to handle commands that use switch-to-buffer

* lisp/window.el (display-buffer-override-next-command):
Temporarily set switch-to-buffer-obey-display-actions to t,
and revert back to the original value afterwards.
This allows other-window-prefix, other-frame-prefix, other-tab-prefix,
windmove-display-in-direction to override the default behavior of
commands that use switch-to-buffer.
https://lists.gnu.org/archive/html/emacs-devel/2022-06/msg00483.html

* src/comp.c (Fcomp_el_to_eln_filename): Update error message.

Also show mouse DND tooltip contents during interprogram drag-and-drop

* doc/lispref/frames.texi (Drag and Drop): Document new
parameter to `x-begin-drag'.
* lisp/mouse.el (mouse-drag-and-drop-region): Don't hide tooltip
when initiating interprogram drag-and-drop.
* lisp/term/haiku-win.el (x-begin-drag):
* lisp/term/ns-win.el (x-begin-drag): Add stubs for new
parameter.
* src/xfns.c (Fx_begin_drag): New parameter `follow-tooltip'.
(Fx_show_tip, syms_of_xfns): Add records of the last dx and dy
given to `x-show-tip'.
* src/xterm.c (x_clear_dnd_monitors): New function.
(x_dnd_begin_drag_and_drop): Save monitor attributes list if
appropriate.
(x_dnd_compute_tip_xy, x_dnd_update_tooltip_position): New
function.
(x_dnd_update_state, handle_one_xevent): Update tooltip position
during DND mouse movement.
(syms_of_xterm): Update staticpros.
* src/xterm.h: Update prototypes.

Fix dnd-tests on builds without X

* test/lisp/dnd-tests.el (x-get-selection-internal): New
function declaration.

Ignore tooltip frames when looking for DND target

* src/xterm.c (x_dnd_get_target_window): When not using client
lists, look beneath any tooltip frame.

Make use of faster atom intern functions in xselect.c

* src/xselect.c (symbol_to_x_atom):
(x_atom_to_symbol): Use x_get_atom_name and
x_intern_cached_atom.

Fix error reporting in process-async-https-with-delay

* test/src/process-tests.el (process-async-https-with-delay): Use
'plist-get' instead of 'assq' in testing for a connection error.
The 'status' variable is a plist, not an alist.  (Bug#55849)

* lisp/rect.el: Return correct positions of region-beginning/end (bug#55234)

(rectangle-mark-mode): Add advices for region-beginning and region-end.
(rectangle--region-beginning, rectangle--region-end): New advices.
(rectangle--extract-region): Let-bind rectangle-mark-mode around
region-beginning and region-end to use the original functions.

Add more super and subscript characters to latin input methods

* lisp/leim/quail/latin-post.el ("latin-postfix", "latin-prefix"): Add
mssing super and subscript characters.  (Bug#55722)

Add fractions to latin-post input method

* lisp/leim/quail/latin-post.el ("latin-postfix"): Add fractions.

Add more ways to enter trade mark and registered sign

* lisp/international/iso-transl.el (iso-transl-char-map): Add sequence
for TRADE MARK.
* lisp/leim/quail/latin-post.el ("latin-postfix"): Add REGISTERED SIGN
and TRADE MARK.
* lisp/leim/quail/latin-pre.el ("latin-prefix"): Add TRADE MARK.

Allow running some DND tests interactively

* src/xselect.c (x_get_local_selection): Respect new variable.
(syms_of_xselect): New variable
`x-treat-local-requests-remotely'.

* test/lisp/dnd-tests.el (x-begin-drag, gui-set-selection):
Don't redefine these functions under X.
(dnd-tests-verify-selection-data): Use
`x-get-selection-internal' under X.
(dnd-tests-extract-selection-data): New function.
(dnd-tests-begin-text-drag): Update accordingly.
(dnd-tests-begin-file-drag, dnd-tests-begin-drag-files):
Temporarily skip these tests under X.

Revert "Give ,@ a prefix syntax in elisp-mode"

This reverts commit d003848b5e3ad2dfbe84cc62b99776fdc6734325.

This leads to hangs in edebug-tests.

Don't split Eshell expansions by line when using split-subscript operator

* lisp/eshell/esh-var.el (eshell-apply-indices): Use
'eshell-convert-to-number' instead of 'eshell-convert'.

* test/lisp/eshell/esh-var-tests.el
(esh-var-test/interp-convert-var-split-indices): Expand test
(bug#55838).

* doc/man/emacs.1.in: Add --init-directory.

* doc/man/emacs.1.in: Document --init-directory (bug#55839).

Simplify XDND toplevel freeing code

* src/xterm.c (x_free_dnd_toplevels): New function.
(x_dnd_cleanup_drag_and_drop, x_dnd_begin_drag_and_drop): Record
an unwind function to free DND toplevels instead of doing that
manually everywhere.

Fix last-modified meaning in bookmark.el

* lisp/bookmark.el (bookmark-update-last-modified): New function
to update the last-modified field.
(bookmark-send-edited-annotation, bookmark-relocate)
(bookmark-rename): Use `bookmark-update-last-modified' in
annotations editing, relocation and renaming.

icomplete-in-buffer doc fix

* lisp/icomplete.el (icomplete-in-buffer): dabbrev now uses
icomplete-in-buffer (bug#45764).

* doc/misc/org.org: Remove spurious markup.

Make Tramp version check more robust

* lisp/net/trampver.el (tramp-repository-branch)
(tramp-repository-version): Check for "git" executable.

Factor out test configuration for remote files

* lisp/emacs-lisp/ert-x.el (tramp-methods)
(tramp-default-host-alist): Declare.
(ert-remote-temporary-file-directory): New defconst.

* test/README: Mention dnd-tests.el.

* test/lisp/autorevert-tests.el
(auto-revert-test-remote-temporary-file-directory): Remove.
Replace all uses by `ert-remote-temporary-file-directory'.

* test/lisp/dnd-tests.el (ert-x): Require.
(dnd-tests-temporary-file-directory): Remove.  Replace all uses by
`ert-remote-temporary-file-directory'.

* test/lisp/filenotify-tests.el
(file-notify-test-remote-temporary-file-directory): Remove.
Replace all uses by `ert-remote-temporary-file-directory'.

* test/lisp/shadowfile-tests.el (ert-x): Require.
(shadow-test-remote-temporary-file-directory): Remove.  Replace
all uses by `ert-remote-temporary-file-directory'.

* test/lisp/net/tramp-tests.el: Don't require ert.
(ert-remote-temporary-file-directory): Define if it doesn't exist.
(tramp-test-temporary-file-directory): Remove.  Replace all uses
by `ert-remote-temporary-file-directory'.

Preserve doc string in `byte-compile` (bug#55830)

* lisp/emacs-lisp/bytecomp.el (byte-compile--reify-function):
Don't transpose doc string and interactive spec, which must come
in this order.
* test/lisp/emacs-lisp/bytecomp-tests.el
(bytecomp-function-attributes): New test.

Make responding to selection requests work inside popups

* src/xfns.c (Fx_file_dialog):
* src/xmenu.c (x_menu_wait_for_event, create_and_show_popup_menu)
(create_and_show_dialog, x_menu_show): Defer selection requests.
* src/xselect.c (x_get_foreign_selection)
(x_handle_selection_notify): Add some more info to selection
trace.

* src/xterm.c (x_defer_selection_requests): Make non-static.
(x_release_selection_requests_and_flush): New function.
(x_dnd_begin_drag_and_drop): Use DEFER_SELECTIONS instead.
(x_wait_for_cell_change): Fix initial value of rc for pushed
back events.
(handle_one_xevent): Allow GTK to respond to selections in its
windows too.

* src/xterm.h (DEFER_SELECTIONS): New slug of code.

Fix quitting in one go out of `mouse-drag-and-drop-region'

* src/xterm.c (x_dnd_begin_drag_and_drop): Make sure
handle_interrupt is called inside the nested event loop upon a
quit event.

Fix crash with outdated selection requests

* src/xselect.c (x_handle_selection_request): Don't store into
stack if it wasn't previously pushed.

Improve drag-and-drop tests

* lisp/dnd.el (dnd-begin-file-drag, dnd-begin-drag-files): Fix
type of `x-xdnd-username'.
* lisp/select.el (selection-converter-alist): Fix declaration of
_DT_NETFILE converter.

* test/lisp/dnd-tests.el (dnd-tests-verify-selection-data):
Handle "compound" selection converters.
(dnd-tests-parse-tt-netfile): New function.
(dnd-tests-begin-file-drag, dnd-tests-begin-drag-files): Verify
validity of file selection data.

More fixes to mouse event reporting during drag-and-drop

* src/xterm.c (x_dnd_begin_drag_and_drop): Don't reset
dpyinfo->grabbed when quitting.
(handle_one_xevent): Keep track of dpyinfo->grabbed as well
inside the drag-and-drop event loop.

pcomplete-parse-arguments: Fix last change

* lisp/pcomplete.el (pcomplete-parse-arguments):
Throw the previous value of 'pcomplete-stub' (a list) rather than
the newly constructed one (bug#50470).

* doc/emacs/vc1-xtra.texi (Customizing VC): Remove deprecated Mtn.

Give ,@ a prefix syntax in elisp-mode

* lisp/progmodes/elisp-mode.el (elisp-mode-syntax-propertize):
Give ,@ a prefix syntax so that we can properly identify symbols
that follow it, i.e., ,@foo (bug#44418).

Demote extended attribute errors in basic-save-buffer-2

* lisp/files.el (basic-save-buffer-2): Give demoted errors when
reading extended attributes that fail (bug#43723).

Regenerated ldefs-boot.el

This is the first check-in after the loaddefs-gen.el rewrite.

Remove Mtn from vc-handled-backends

* lisp/vc/vc-hooks.el (vc-handled-backends): Remove the deprecate
vc-mtn backend.

Fix loaddefs-generate--rubric recorded name

* lisp/emacs-lisp/loaddefs-gen.el (loaddefs-generate--rubric): Fix
the name that's recorded in the file -- this is only used by
loaddefs-gen now, I think.

Make artist-mode work in zoomed buffers

* lisp/textmodes/artist.el (artist-mouse-draw-continously):
(artist-mouse-draw-continously):
(artist-mouse-draw-poly):
(artist-mouse-draw-1point):
(artist-mouse-draw-2points):
(artist-mouse-draw-2points): Work better when the window is zoomed
(bug#46035).

Allow posn-col-row to return data on a per-window basis

* doc/lispref/commands.texi (Accessing Mouse): Document it.
* lisp/subr.el (posn-col-row): Extend to use window data.

Allow hooks to alter the process in prolog-ensure-process

* lisp/progmodes/prolog.el (prolog-ensure-process): Start the mode
after starting the process, so that the mode hook can talk to the
process (bug#46003).

find-func.el: Fix bug#41104

* lisp/emacs-lisp/find-func.el (find-function-advised-original): Look
at the actual function definition rather than
`advice--symbol-function` which sometimes returns only the advice.

* test/lisp/emacs-lisp/find-func-tests.el
(find-func-tests--find-library-verbose): Add test.

Add selection stuff to DND tests

* test/lisp/dnd-tests.el (dnd-tests-selection-table): New
defvar.
(gui-set-selection): Actually implement in a way that validates
the local value and stores it for future use.
(dnd-tests-verify-selection-data): New function.
(dnd-tests-begin-text-drag): Add tests for the contents of
various selections.

Fix debugging with GDB when a breakpoint has multiple locations

* lisp/progmodes/gdb-mi.el (gdb-breakpoints--add-breakpoint-row):
New function, extracted from 'gdb-breakpoints-list-handler-custom'.
Don't print "in <unknown>" for header-rows of breakpoints with
multiple locations that don't have a function name attached.
(gdb-breakpoints-list-handler-custom): Add to the breakpoint table
also any locations in multiple-location breakpoints, which are
supported since GDB 6.8.

Fix coding style of some Haiku files

* src/haiku_support.cc: (FrameResized):
(class EmacsView, AfterResize): Fix coding and initializer
style.

* src/haiku_support.h (struct haiku_resize_event): Rename
confusingly named fields.
* src/haikuterm.c (haiku_read_socket): Update accordingly.

Simplify mode line for vc-print-root-log

* lisp/vc/vc.el (vc-print-root-log): Don't display "from <file>"
(bug#45007).

Fix more bugs with DND selection handling

* src/xterm.c (x_defer_selection_requests)
(x_release_selection_requests): New functions.
(x_dnd_begin_drag_and_drop): Use those functions to defer
selections instead.  Fix error signalled when ownership of
XdndSelection is lost.
(handle_one_xevent): Likewise.

Clarify highlight-changes-rotate-faces doc string

* lisp/hilit-chg.el (highlight-changes-rotate-faces): Doc string
clarification (bug#44150).

Remove mentions of GNOME MediaKeys from dbus documentation examples

* doc/misc/dbus.texi (Properties and Annotations):
* lisp/net/dbus.el (dbus-get-all-managed-objects): Remove
mentions of obsolete GNOME APIs from example text.

Improve compatibility with some clients of the Motif drop protocol

* lisp/select.el (x-dnd-targets-list): New defvar.
(xselect-convert-to-targets): Convert XdndSelection based on the
DND targets list.
* src/xfns.c (Fx_begin_drag): Pass new argument.
* src/xselect.c (struct x_selection_request): New struct.
(x_push_current_selection_request):
(x_pop_current_selection_request): New functions.
(x_selection_request_lisp_error, x_reply_selection_request)
(x_handle_selection_request, x_convert_selection)
(syms_of_xselect_for_pdumper): Correctly handle recursive
requests for MULTIPLE by maintaining a stack of selection
requests, converted selections, and other data.
* src/xterm.c (x_dnd_begin_drag_and_drop): New argument
`selection_target_list'.  Bind it to the DND targets list.
(syms_of_xterm): New defvar and associated defsym.
* src/xterm.h: Update prototypes.

Add new drag-and-drop test

* test/lisp/dnd-tests.el (dnd-tests-get-local-file-uri): New
test.

Fix leak of event data on GTK+ 2.x

* src/xterm.c (handle_one_xevent): Fix goto XI_OTHER for
valuator motion events generated on scroll bars.

Update Haiku drag-and-drop code

* lisp/term/haiku-win.el (haiku-drag-and-drop): Don't allow
dropping on places other than the text area (it doesn't work).
Also respect mouse-yank-at-point.

Don't allow dropping on invalid drop sites

* lisp/x-dnd.el (x-dnd-drop-data): If dropping on something
other than the text area, don't set point.
(x-dnd-handle-xdnd, x-dnd-handle-motif): Don't pretend dropping
on the mode line is ok.

Don't display mouse face during mouse drag-and-drop

* lisp/mouse.el (mouse-drag-and-drop-region): Don't display
mouse face, since it leads to a lot of flicker.

Prevent crashes with very large Motif targets tables

* src/xterm.c (xm_setup_dnd_targets): Catch errors around
xm_write_targets_table lest we get a BadAlloc error.

Fix two crashes when a display connection is lost

This fixes errors caused by invalid error traps being left on
the error handler stack if an IO error causes a non-local exit
out of the protected code, and another crash caused by
delete_frame trying to read async input.

* src/eval.c (unwind_to_catch, push_handler_nosignal): Save and
restore the X error handler stack.
* src/lisp.h (struct handler): [HAVE_X_WINDOWS]: New field
`x_error_handler_depth'.

* src/xterm.c (struct x_error_message_stack): Make string a
regular string.
(x_unwind_errors_to): New function.
(x_error_catcher, x_catch_errors_with_handler)
(x_uncatch_errors_after_check, x_uncatch_errors): Update the
stack depth.
(x_check_errors): Stop manually unwinding since unwind_to_catch
now does that for us.
(x_had_errors_p, x_clear_errors): Update for new type of
`string'.
(x_connection_closed): Block input between just before
delete_frame to when the terminal is unlinked.

* src/xterm.h: Update prototypes.

Fix execute-extended-command help text for remapped commands

* lisp/simple.el (execute-extended-command): Don't provide
misleading help text for remapped commands (bug#23543).

Allow using xref buttons in non-*Help* buffers

* lisp/help-mode.el (help-buffer): Allow using the xref buttons in
non-*Help* buffers (bug#8147) (but display the result in a *Help*
buffer).

; * lisp/emacs-lisp/lisp.el (raise-sexp): Doc fix.  (Bug#55788)

Make find-file-noselect not pick buffers with broken symlinks

* lisp/files.el (find-buffer-visiting): Improve doc string.
(find-file-noselect): Don't pick buffers with broken symlinks,
because that's too confusing (bug#41414).

Improve scheme-mode syntax-rules indentation

* lisp/progmodes/scheme.el (syntax-rules): Indent syntax-rules
with a parameter better (bug#40869).

Improve find-sibling-file error reporting

* lisp/files.el (find-sibling-file): Improve error reporting.

Update comments in X error handling code

* src/xterm.c (struct x_error_message_stack, x_error_message)
(x_error_catcher, x_catch_errors, x_had_errors_p)
(x_clear_errors): Long-overdue comment update.  Describe the
fields of the error message stack, and the fact that
`x_error_message' is a stack, not a pointer to a string (which
has been true since 2006).  Also describe the updated conditions
used to find an applicable error handler and to call
x_uncatch_errors_after_check.