* etc/images/README: Update copyright information for new images.
* etc/images/connect-to-url.pbm:
* etc/images/connect-to-url.xpm: Import new images from GNOME.
* lisp/xwidget.el (xwidget-webkit-tool-bar-map): New keymap variable.
(xwidget-webkit-mode): Set tool-bar-map to the appropriate map.
* src/xterm.c (handle_one_xevent): Clear help and mouse face
when handling xwidget entry events.
* src/xwidget.c (xwidget_motion_or_crossing): Add device to crossing
events.
(x_draw_xwidget_glyph_string): Add EnterWindowMask and
LeaveWindowMask.
* src/xterm.c (handle_one_xevent): Pass through some events to
xwidgets.
* src/xwidget.c (synthesize_focus_in_event)
(find_suitable_pointer, xwidget_button_1)
(xwidget_button, xwidget_motion_or_crossing): New functions.
(xwidget_view_from_window): Draw offscreen window instead of the
widget.
(x_draw_xwidget_glyph_string): Set appropriate event masks.
* src/xwidget.h (xwidget_button, xwidget_motion_or_crossing): New
functions.
* src/dispextern.h (struct glyph): Store xwidget ID instead of a
reference.
* src/dispnew.c (scrolling_window): Enable scrolling optimization on
xwidget builds.
* src/xdisp.c (fill_xwidget_glyph_string, produce_xwidget_glyph):
Obtain xwidget from ID.
* src/xterm.c (x_scroll_run): Scroll xwidget windows.
* src/xwidget.c (id_to_xwidget_map, xwidget_counter): New xwidget
variables.
(Fmake_xwidget): Assign each xwidget a unique ID, and keep track of
that ID.
(xwidget_from_id): New function.
(syms_of_xwidget): Initialize id_to_xwidget_map.
(xwidget_end_redisplay): Lookup xwidgets via ID.
* src/xwidget.h (struct xwidget): Add ID field.
(xwidget_from_id): New function.
Since Emacs draws using X11 primitives, Emacs drawing operations can
erase the GtkDrawingArea used to draw the offscreen widget, which
leads to unpleasant flickering effects, all of which can be prevented
by creating a native X window and drawing to that instead.
* src/xterm.c (x_window_to_frame): Return xwidget window if
appropriate.
(handle_one_xevent): Handle xwidget expose events.
* src/xwidget.c (x_window_to_xvw_map): New variable.
(xwidget_view_from_window): New function.
(xwidget_show_view, xwidget_hide_view)
(offscreen_damage_event): Move to drawing xwidgets with X windows.
(xv_do_draw)
(xwidget_expose): New function.
(xwidget_osr_draw_cb, xwidget_osr_event_forward)
(xwidget_osr_event_set_embedder): Removed.
(xwidget_init_view): Replace use of GtkDrawingArea with that of an X
window.
(x_draw_xwidget_glyph_string): Prevent xwidget views from constantly
generating expose events, and use an X window instead of a
GtkDrawingArea.
(syms_of_xwidget): Initialize x_window_to_xwv_map.
src/xwidget.h (struct xwidget_view): Replace GTK widgets with
X-related fields.
(xwidget_view_from_window, xwidget_expose): New functions.
* lisp/emacs-lisp/ert-x.el (ert-with-temp-file): Ensure return
value when :directory is t is the directory name.
* test/lisp/emacs-lisp/ert-x-tests.el
(ert-x-tests-with-temp-directory): Extend test for the above.
* lisp/emacs-lisp/ert-x.el
(ert-with-temp-file): Add temp file name suffix based on file name of
caller. Reflow docstring.
(ert--with-temp-file-generate-suffix): New defun.
* test/lisp/emacs-lisp/ert-x-tests.el
(ert-x-tests--with-temp-file-generate-suffix): New test.
* doc/misc/eww.texi (Advanced): Document it.
* lisp/net/eww.el (eww-url-transformers): New user option.
(eww-remove-tracking): New default function.
(eww--transform-url): Helper function.
(eww-follow-link): Use it.
(eww): Ditto.
* doc/emacs/killing.texi (Clipboard): Refer to it.
* doc/lispref/frames.texi (Yanking Media): Document the mechanism.
* lisp/yank-media.el: New file.
* lisp/gnus/message.el (message-mode): Register a yank handler for
images.
(message-insert-screenshot): Factor out image code from here...
(message--yank-media-image-handler): ... to here.
* lisp/image-mode.el (image-auto-resize-max-scale-percent): New
user option to limit how much 'fit-window' will scale up an image.
(image--scale-within-limits-p): New function.
(image-toggle-display-image): Respect above new user option.
* lisp/image-mode.el (image-auto-resize, image-transform-resize):
Add new value 'fit-window', meaning to scale the image up or down
to fit the window. (Bug#)
(image-transform-fit-to-window): New command.
(image-transform-fit-to-height, image-transform-fit-to-width):
Make obsolete in favor of above new command.
(image-mode-map): Bind "s w" to 'image-transform-fit-to-window'.
Move binding for obsolete command 'image-transform-fit-to-width'
to "s i".
(image-mode-map): Add menu entry for
'image-transform-fit-to-window'. Remove menu entries for above
obsolete commands.
* doc/emacs/files.texi (Image Mode): Update documentation.
(image-transform-fit-both): Doc fix.
* lisp/outline.el (outline-flag-region): Update buttons on most
outline toggling commands (bug#51629).
(outline--fix-up-all-buttons): Take a region as parameter.
(outline-cycle-buffer): Adjust call.
* lisp/erc/erc.el (erc-cmd-default): prevent excess trailing newlines
from being sent.
* test/lisp/erc/erc-tests.el: Update `erc-process-input-line' test to
check for excess line feeds with unknown commands.
* lisp/erc/erc-backend.el (erc-server-reconnecting,
erc--server-reconnecting): obsolete and replace the former with new
internal variant, which carries a simplified meaning.
(erc-server-reconnect-p, erc--server-reconnect-p): Obsolete and
replace the former with an internal function, and change behavior to
disregard `erc-server-reconnecting' when rendering verdict.
(erc-process-sentinel-2): ensure local var `erc--server-reconnecting'
is t when timers are scheduled or firing, and nil otherwise, including
after retries exhausted. This agrees with the straightforward way
`erc-server-reconnecting' has always been used by `erc-cmd-RECONNECT'.
(erc-server-connect): set `erc--server-reconnecting'.
* lisp/erc/erc.el (erc-cmd-RECONNECT): use `erc--server-reconnecting'
instead of `erc-server-reconnecting'.
* etc/NEWS: Fix wording and spelling.
* doc/emacs/mule.texi (Input Methods): Add index entries and fix
wording.
* admin/notes/unicode: Update instructions for updating Emacs for
the latest Unicode Standard.
