* src/dispextern.h (struct it): New 'narrowed_begv' field.
* src/dispextern.h (WITH_NARROWED_BEGV): New macro.
* src/xdisp.c (get_narrowed_begv): New function.
(init_iterator): Initilize the 'narrowed_begv' field.
(back_to_previous_line_start, get_visually_first_element,
move_it_vertically_backward): Use the new macro.
* src/dispextern.h: Prototype of 'get_narrowed_begv'.
* src/window.c (window_body_height): Make it externally visible.
* src/window.h: Prototype of 'window_body_height'.
* src/composite.c (find_automatic_composition): Optimize display in buffers
with very long lines with 'get_narrowed_begv'.
* lisp/obsolete/longlines.el: Reobsolete longlines-mode.
* etc/NEWS: Announce the new minor mode, and remove the unobsoletion
indication for 'longlines-mode'.
* doc/emacs/trouble.texi (Long Lines): Remove the section.
(Lossage): Remove the entry for the Long Lines section.
* doc/emacs/emacs.texi (Top): Remove the entry for the Long Lines section.
* lisp/files.el (auto-narrow-display-length): Improve docstring.
(auto-narrow-widen-automatically): Add 'undo' to the command list.
(auto-narrow-hook): New defcustom.
(auto-narrow-pre-command-function, auto-narrow-post-command-function):
Move initialization code.
(auto-narrow-mode): Do not make the 'auto-narrow-mode' permanent local
anymore.
* lisp/font-lock.el (turn-off-font-lock-mode): New convenience function.
* src/xdisp.c (set_vertical_scroll_bar): Fix typo.
(redisplay_window): Use the new convenience function.
* src/buffer.h (BUFFER_NEEDS_AUTO_NARROWING_P,
BUFFER_AUTO_NARROWED_NON_NARROWED_P): Two new convenience functions.
* src/window.c (Frecenter): Do not recenter auto-narrowed buffers that
are not actually narrowed.
* etc/NEWS: Improvement.
* doc/emacs/display.texi (Auto-Narrowing): Improvement.
* lisp/files.el (auto-narrow-mode): New minor mode.
(auto-narrow-pre-command-function, auto-narrow-post-command-function):
New auxiliary functions for the minor mode.
(auto-narrow-display-length, auto-narrow-widen-automatically): New
defcustoms for the minor mode.
(auto-narrow--widen-automatically, auto-narrow--isearch-widen-automatically,
auto-narrow--initialized): New internal variables for the minor mode.
* src/buffer.h (struct buffer): New internal variable for the minor mode.
(bset_auto_narrow__narrowing_state, BUFFER_AUTO_NARROWED_P): New
auxiliary functions.
* src/buffer.c (init_buffer_once, syms_of_buffer): New internal variable
for the minor mode. Update the docstring of mode-line-format.
* src/fileio.c (Finsert_file_contents): Detect whether the minor mode should
be entered when the buffer is displayed.
(syms_of_fileio): New defcustom for the minor mode.
* src/keyboard.c (syms_of_keyboard): New hook functions for the minor mode.
(command_loop_1): Execute the hook functions.
* src/xdisp.c (redisplay_window): Enter the minor mode when the buffer is
displayed.
(decode_mode_spec): Indicate when the minor mode is active
in the modeline. Indicate the buffer position relative to the whole buffer.
(set_vertical_scroll_bar): Indicate the buffer position relative to the
whole buffer.
(syms_of_xdisp): Two new symbols.
* lisp/isearch.el (isearch-widen-automatically): New defcustom.
(isearch-search): Use the new defcustom.
* lisp/bindings.el (mode-line-modes): Do not propertize the indication
in the modeline when the new minor mode is active.
* etc/NEWS: Announce the new minor mode, and remove the unobsoletion
indication for 'longlines-mode'.
* lisp/longlines.el: Reobsolete longlines-mode.
* doc/emacs/display.texi (Auto-Narrowing): New section, describing the new
minor mode.
(Display): Entry for the new section.
* doc/emacs/trouble.texi (Long Lines): Remove the section.
(Lossage): Remove the entry for the Long Lines section.
* doc/emacs/emacs.texi (Top): Remove the entry for the Long Lines section.
* doc/lispref/keymaps.texi (Inheritance and Keymaps): Document
using 'make-composed-keymap' with 'defvar-keymap'.
* lisp/help-mode.el (help-mode-map): Use defvar-keymap to make this
code match the above documentation change.
* doc/lispref/files.texi (Directory Names):
* lisp/files.el (file-parent-directory): Improve wording of the
documentation of 'file-parent-directory'. (Bug#56355)
* src/pgtkterm.c (window_state_event): Support values fullheight and
fullwidth for the fullscreen frame-parameter
* doc/lispref/frames.texi (Size Parameters): Document inability to
actively set hullheight/fullwidth for PGTK frames
* configure.ac: Bump GTK version for PGTK
* etc/NEWS: Change GTK version in PGTK announcement
* 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.
