* src/buffer.c (Frestore_buffer_modified_p): Sync it with
Fset_buffer_modified_p.
(Fforce_mode_line_update): New function, moved from subr.el.
(Fset_buffer_modified_p): Use them.
(syms_of_buffer): Defsubr Fforce_mode_line_update.
* lisp/rect.el: Use lexical-binding. Add new rectangular region support.
(rectangle-mark): New command.
(rectangle--region): New var.
(deactivate-mark-hook): Reset rectangle--region.
(rectangle--extract-region, rectangle--insert-for-yank)
(rectangle--highlight-for-redisplay)
(rectangle--unhighlight-for-redisplay): New functions.
(region-extract-function, redisplay-unhighlight-region-function)
(redisplay-highlight-region-function): Use them to handle
rectangular region.
* lisp/simple.el (region-extract-function): New var.
(delete-backward-char, delete-forward-char, deactivate-mark): Use it.
(kill-new, kill-append): Remove obsolete `yank-handler' argument.
(kill-region): Replace obsolete `yank-handler' arg with `region'.
(copy-region-as-kill, kill-ring-save): Add `region' argument.
(redisplay-unhighlight-region-function)
(redisplay-highlight-region-function): New vars.
(redisplay--update-region-highlight): New function.
(pre-redisplay-function): Use it.
(exchange-point-and-mark): Don't deactivate the mark before
reactivate-it anyway.
* lisp/comint.el (comint-kill-region): Remove yank-handler argument.
* lisp/delsel.el (delete-backward-char, backward-delete-char-untabify)
(delete-char): Remove property, since it's now part of their
default behavior.
(self-insert-iso): Remove property since this command doesn't exist.
* src/xdisp.c (prepare_menu_bars): Call Vpre_redisplay_function.
(syms_of_xdisp): Declare pre-redisplay-function.
(markpos_of_region): Remove function.
(init_iterator, compute_stop_pos, handle_face_prop)
(face_before_or_after_it_pos, reseat_to_string)
(get_next_display_element, window_buffer_changed)
(redisplay_internal, try_cursor_movement, redisplay_window)
(try_window_reusing_current_matrix, try_window_id, display_line)
(note_mode_line_or_margin_highlight, note_mouse_highlight)
(display_string, mouse_face_from_buffer_pos): Remove region handling.
* src/window.h (struct window): Remove field `region_showing'.
* src/dispextern.h (struct it): Remove region_beg/end_charpos.
(face_at_buffer_position, face_for_overlay_string)
(face_at_string_position): Update prototypes.
* src/xfaces.c (face_at_buffer_position, face_for_overlay_string)
(face_at_string_position): Remove `region_beg' and `region_end' args.
* src/fontset.c (Finternal_char_font):
* src/font.c (font_at, font_range): Adjust calls accordingly.
* src/insdel.c (Qregion_extract_function): New var.
(syms_of_insdel): Initialize it.
(prepare_to_modify_buffer_1): Use it.
provides the prior behavior..
* src/keyboard.c (Finput_pending_p): Accept optional check-timers
param.
* lisp/subr.el (sit-for): Call (input-pending-p t) so as to behave
as before.
* test/automated/timer-tests.el: New file. Tests that (sit-for 0)
allows another timer to run.
Fixes: debbugs:15045
where after-change-functions is disabled.
(set-temporary-overlay-map): Don't remove oneself from pre-command-hook
until we removed ourself from overriding-terminal-local-map.
Fixes: debbugs:15501
instead of the docstring to discourage use of the `restriction' arg.
(error): Use `declare'.
* src/charset.c (Fdecode_char, Fencode_char): Remove description of
`restriction' arg. now that it's hidden by advertised-calling-convention.
(called-interactively-p): Use it.
* test/automated/advice-tests.el (advice-test-called-interactively-p-around)
(advice-test-called-interactively-p-filter-args)
(advice-test-called-interactively-p-around): New tests.
Fixes: debbugs:3984
(text-clone--maintaining): New var.
(text-clone--maintain): Rename from text-clone-maintain. Use it
instead of inhibit-modification-hooks.
* lisp/emacs-lisp/nadvice.el (advice--normalize): For aliases to macros, use
a proxy, so as handle autoloads and redefinitions of the target.
(advice--defalias-fset, advice-remove): Use advice--symbol-function.
* lisp/emacs-lisp/pcase.el (pcase-mutually-exclusive-predicates):
Remove bogus (arrayp . stringp) pair. Add entries for `vectorp'.
(pcase--mutually-exclusive-p): New function.
(pcase--split-consp): Use it.
(pcase--split-pred): Use it. Optimize the case where `pat' is a qpat
mutually exclusive with the current predicate.
* test/automated/advice-tests.el (advice-tests-nadvice): Test removal
before definition.
(advice-tests-macroaliases): New test.
* lisp/emacs-lisp/edebug.el (edebug-lookup-function): Remove function.
(edebug-macrop): Remove. Use `macrop' instead.
* lisp/emacs-lisp/advice.el (ad-subr-p): Remove. Use `subrp' instead.
(ad-macro-p):
* lisp/eshell/esh-cmd.el (eshell-macrop):
* lisp/apropos.el (apropos-macrop): Remove. Use `macrop' instead.
* lisp/emacs-lisp/debug.el (debug): Don't let-bind the debugger-outer-*
vars, except for debugger-outer-match-data.
(debugger-frame-number): Move check for "on a function call" from
callers into it. Add `skip-base' argument.
(debugger-frame, debugger-frame-clear): Simplify accordingly.
(debugger-env-macro): Only reset the state stored in non-variables,
i.e. current-buffer and match-data.
(debugger-eval-expression): Rewrite using backtrace-eval.
* lisp/subr.el (internal--called-interactively-p--get-frame): Remove.
(called-interactively-p):
* lisp/emacs-lisp/edebug.el (edebug--called-interactively-skip): Use the new
`base' arg of backtrace-frame instead.
* src/eval.c (set_specpdl_old_value): New function.
(unbind_to): Minor simplification.
(get_backtrace_frame): New function.
(Fbacktrace_frame): Use it. Add `base' argument.
(backtrace_eval_unrewind, Fbacktrace_eval): New functions.
(syms_of_eval): Export backtrace-eval.
* src/xterm.c (x_focus_changed): Simplify.
* configure.ac (log2): Check for this function.
* doc/lispref/numbers.texi (Math Functions): Remove obsolete function log10.
* lisp/subr.el (log10): Move here from C code, and declare as obsolete.
All uses of (log10 X) replaced with (log X 10).
* src/floatfns.c (Flog) [HAVE_LOG2]: Use log2 if available and if the
base is 2; this is more accurate.
(Flog10): Move to Lisp (marked obsolete there).
(eval-after-load): Allow form to be a function.
take advantage of lexical-binding.
(do-after-load-evaluation): Use dolist and adjust to new format.
* lisp/simple.el (bad-packages-alist): Use dolist and with-eval-after-load.
* doc/lispref/loading.texi (Hooks for Loading): Document with-eval-after-load
instead of eval-after-load. Don't document after-load-alist.
* src/lread.c (syms_of_lread):
* src/fns.c (Fprovide): Adjust to new format of after-load-alist.
* src/keyboard.c (menu_bar_items, tool_bar_items):
* src/doc.c (Fsubstitute_command_keys): Voverriding_terminal_local_map does
not override local keymaps any more.
* doc/emacs/display.texi (Highlight Interactively): Add global keybindings
with the key prefix `M-s h'. Document old command `highlight-phrase'.
Document new command `highlight-symbol-at-point'.
* lisp/bindings.el (search-map): Bind `highlight-symbol-at-point' to
`M-s h .'.
* lisp/hi-lock.el (highlight-symbol-at-point): New alias for the new
command `hi-lock-face-symbol-at-point'.
(hi-lock-face-symbol-at-point): New command.
(hi-lock-map): Bind `highlight-symbol-at-point' to `C-x w .'.
(hi-lock-menu): Add `highlight-symbol-at-point'.
(hi-lock-mode): Doc fix.
* lisp/isearch.el (isearch-forward-symbol-at-point): New command.
(search-map): Bind `isearch-forward-symbol-at-point' to `M-s .'.
(isearch-highlight-regexp): Add a regexp which matches
words/symbols for word/symbol mode.
* lisp/subr.el (find-tag-default-bounds): New function with the body
mostly moved from `find-tag-default'.
(find-tag-default): Move most code to `find-tag-default-bounds',
call it and apply `buffer-substring-no-properties' afterwards.
Fixes: debbugs:14427
* ido.el (ido-set-matches-1): Use it.
* progmodes/octave.el (inferior-octave-completion-table): Use it.
* ido.el (ido-remove-consecutive-dups): Remove.
