* doc/lispref/display.texi (Face Attributes):
* etc/NEWS: Document the new pseudo-value 'reset'.
* src/xfaces.c (realize_named_face, lookup_derived_face)
(gui_supports_face_attributes_p, lookup_named_face)
(Finternal_merge_in_global_face, merge_named_face, merge_faces):
Handle the 'reset' pseudo-value of a face's attribute.
(syms_of_xfaces): New symbol 'reset'.
(RESET_P): New macro.
(check_lface_attrs, Finternal_set_lisp_face_attribute): Allow
'reset' as a value of any attribute except ':inherit'.
(Bug#38771)
* lisp/dired-x.el (dired-bind-man, dired-bind-info): Change into
defvars and make obsolete.
(dired-extra-startup): Doc fix.
(dired-info, dired-man): Move from here...
* lisp/dired.el (dired-do-info, dired-do-man): ...to here and
rename. (Bug#21981)
* lisp/dired.el (dired-mode-map): Bind 'I' and 'N' to 'dired-do-info'
and 'dired-do-man'.
* doc/misc/dired-x.texi (Miscellaneous Commands): Remove documentation
of 'dired-info' and 'dired-man'.
* doc/emacs/dired.texi (Dired Enter): Document 'dired-do-info' and
'dired-do-man'.
* etc/NEWS: Announce the above changes.
* lisp/face-remap.el (global-text-scale-adjust): New command.
(text-scale-adjust): Refer to the new related command.
(global-text-scale-adjust-resizes-frames): New user option.
* lisp/mwheel.el (mouse-wheel-scroll-amount): Add the new command
to the mouse wheel scrolling events.
(mouse-wheel-global-text-scale): New function.
(mouse-wheel-mode): Use the new function with mouse-wheel-mode.
* doc/emacs/display.texi (Text Scale): Document the new command and
the new user option.
* etc/NEWS: Mention the new command and its bindings, and the new
user option.
* doc/lispref/frames.texi (Drag and Drop): Document new
variable.
* lisp/x-dnd.el (x-dnd-do-direct-save): Disable drop emulation
during XDS drag-and-drop.
* src/keyboard.c (kbd_buffer_get_event): Handle recorded value.
* src/xterm.c (x_dnd_do_unsupported_drop): Return if new
variable is nil.
(x_dnd_send_unsupported_drop): Record value of new variable in
events.
(x_dnd_begin_drag_and_drop): Handle recorded value.
(syms_of_xterm): New variable `x-dnd-use-unsupported-drop'.
* doc/misc/erc.texi: Update the `erc' and `erc-tls' entry-point
sections with the new :id keyword parameter. Expand the auth-info
related information in the passwords section. Remove all mention of
the variable `erc-rename-buffers', whose "on" behavior has been made
permanent.
* etc/ERC-NEWS: Add new section for future 5.5 release.
* doc/lispref/loading.texi (How Programs Do Loading): Update
documentation.
* lisp/emacs-lisp/macroexp.el:
(internal-macroexpand-for-load): We've been warning about eager
macro expansion for many years, so finally change that into an
error (bug#18154).
* doc/lispref/frames.texi (Drag and Drop): Document new function
`dnd-direct-save'.
* etc/NEWS: Likewise.
* lisp/dnd.el (dnd-direct-save-remote-files): New defcustom.
(dnd-begin-file-drag): Implement defucstom.
(dnd-begin-drag-files): Add kill-emacs-hook after saving remote
file.
(dnd-direct-save): New function.
* lisp/x-dnd.el (x-dnd-known-types): Fix coding style.
(x-dnd-handle-drag-n-drop-event): Handle local value with
self-originating DND events.
(x-dnd-xds-current-file, x-dnd-xds-source-frame): New defvars.
(x-dnd-handle-direct-save, x-dnd-do-direct-save): New functions.
* src/xfns.c (Fx_begin_drag): Allow any atom to be used as a DND
action.
* src/xselect.c (symbol_to_x_atom): Make public.
* src/xterm.c (x_dnd_note_self_drop): Include selection local
value.
(x_ignore_errors_for_next_request): Don't assume x_error_message
is set.
* src/xterm.h: Update prototypes.
* doc/lispref/hash.texi (Defining Hash): Explain more about what
sxhash-equal is for and what the caveats are.
* src/fns.c (Fsxhash_eql, Fsxhash_equal): Clarify doc string.
* lisp/eshell/em-pred.el (eshell-error-if-no-glob): Declare it.
(eshell-apply-modifiers): Add STRING-DESC argument and signal an error
if there are no matches and 'eshell-error-if-no-glob' is set.
(eshell-parse-arg-modifier): Pass modifier string to
'eshell-apply-modifiers'.
* test/lisp/eshell/em-pred-tests.el (eshell-eval-predicate): Simplify.
(em-pred-test/no-matches): New test.
* doc/misc/eshell.texi (Bugs and ideas): Remove todo entry about this
change.
* doc/lispref/processes.texi (Signals to Processes): Update reference
to correct default variable in the ELisp manual.
* etc/NEWS: The same for the NEWS entry (bug#56234).
* lisp/recentf.el (recentf-open): New command. (Bug#56148)
(recentf): New alias.
(recentf, recentf-mode): Update documentation to focus more on the
list of recently opened files and ways of accessing it, instead of
focusing on the menu bar only.
(recentf-list, recentf-enabled-p): Minor doc fixes.
* doc/emacs/files.texi (File Conveniences): Update documentation.
* doc/lispref/commands.texi (Interactive Call): Document it.
* lisp/minibuffer.el (minibuffer-local-must-match-map): Bind 'M-X'.
* lisp/simple.el (execute-extended-command-cycle): New command.
(read-extended-command): Use it to allow toggling (bug#47215).
(read-extended-command-1): Renamed from `read-extended-command'.
(execute-extended-command-for-buffer): Factored out most of the
code...
(command-completion--command-for-this-buffer-function): ... to
here.
(extended-command-versions): New variable.
This code is based on a patch by Felician Nemeth
<felician.nemeth@gmail.com>.
* lisp/image.el (image-map): Keybindings for flipping functions.
(image-flip-horizontally): New function that toggles image flipping
property.
(image-flip-vertically): New function that toggles image flipping
property and rotates image 180 degrees.
* src/image.c (syms_of_image): Add property.
(image_set_transform): Modify image rotation code to also horizontally
flip the image when the property is set.
* etc/NEWS: Add description.
* doc/lispref/display.texi (Image Descriptors): Document :flip
(bug#47095).
* doc/lispref/commands.texi (Reading One Event): Document it.
* lisp/emacs-lisp/rmc.el (read-multiple-choice): Allow using
long-form answers instead of single character ones.
(read-multiple-choice--long-answers): New function.
(read-multiple-choice--short-answers): Refactored out from the
main function.
This allows abandoning the redisplay of a window
that takes too long to complete. Bug#45898
* src/xdisp.c (update_redisplay_ticks): New function.
(init_iterator, set_iterator_to_next): Call
'update_redisplay_ticks'.
(syms_of_xdisp) <max_redisplay_ticks>: New variable.
<list_of_error>: Remove 'void-variable': it is no longer needed,
since 'calc_pixel_width_or_height' can no longer signal a
void-variable error, and it gets in the way of aborting
redisplay via 'redisplay_window_error'.
* src/keyboard.c (command_loop_1): Reinitialize the tick count
before executing each command in the loop.
* src/syntax.c (scan_sexps_forward): Call 'update_redisplay_ticks'
after finishing the loop.
* src/dispnew.c (make_current): Make sure enabled rows of the
current matrix have a valid hash, even if redisplay of a window
was aborted due to slowness. This avoids assertion violations in
'scrolling_window' due to the wrong hash value.
* src/xdisp.c (display_working_on_window_p): New global variable.
(unwind_display_working_on_window): New function.
* src/keyboard.c (command_loop_1): Reset
'display_working_on_window_p' before and after executing commands.
* src/window.c (Frecenter, window_scroll, displayed_window_lines):
* src/indent.c (Fvertical_motion): Set
'display_working_on_window_p' before calling 'start_display'.
* src/syntax.c (scan_sexps_forward): Call 'update_redisplay_ticks'
after finishing the loop.
* src/regex-emacs.c (re_match_2_internal):
* src/bidi.c (bidi_find_bracket_pairs, bidi_fetch_char)
(bidi_paragraph_init, bidi_find_other_level_edge): Update the
redisplay tick count as appropriate, when moving the iterator by
one character position actually requires to examine many more
positions.
* src/xdisp.c (redisplay_window_error): Show messages about
aborted redisplay of a window as delayed-warnings.
* doc/emacs/trouble.texi (DEL Does Not Delete): Move to the end of
the chapter. This issue is no longer frequent or important as it
was back in Emacs 20 days.
(Long Lines): Document 'max-redisplay-ticks'.
* doc/emacs/emacs.texi (Top): Update the detailed menu.
* etc/NEWS: Announce 'max-redisplay-ticks'.
* lisp/emacs-lisp/bindat.el (bindat--pack-strz): For fixed-length strz
fields, explicitly write a null terminator after the packed string if
there is room (bug#56048).
* doc/lispref/processes.texi (Bindat Types): Update documentation.
* test/lisp/emacs-lisp/bindat-tests.el (bindat-test--str-strz-prealloc):
Update tests.