Ref: http://lists.gnu.org/archive/html/emacs-devel/2010-02/msg00135.html
* lisp/simple.el (messages-buffer-mode): New major mode.
(messages-buffer): New function.
* lisp/startup.el (normal-top-level): Switch mode of *Messages* buffer.
* src/xdisp.c (message_dolog): If we create *Messages*,
switch it to messages-buffer-mode.
* lisp/emacs-lisp/ert.el (ert--force-message-log-buffer-truncation)
(ert-run-test): Use `message-buffer' function.
(ert--force-message-log-buffer-truncation): Ignore read-only.
* lisp/help.el (view-echo-area-messages): Use `message-buffer' function.
* lisp/mail/emacsbug.el (report-emacs-bug): Use `message-buffer' function.
* lisp/gnus/gnus-util.el (gnus-message-with-timestamp-1):
Use `message-buffer' function if available. Ignore read-only.
* etc/NEWS: Mention this.
* lisp/play/snake.el (snake-mode):
* lisp/play/mpuz.el (mpuz-mode):
* lisp/play/landmark.el (lm-mode):
* lisp/play/blackbox.el (blackbox-mode):
* lisp/play/5x5.el (5x5-mode):
* lisp/obsolete/options.el (Edit-options-mode):
* lisp/net/quickurl.el (quickurl-list-mode):
* lisp/net/newst-treeview.el (newsticker-treeview-mode):
* lisp/mail/rmailsum.el (rmail-summary-mode):
* lisp/mail/mspools.el (mspools-mode):
* lisp/locate.el (locate-mode):
* lisp/ibuffer.el (ibuffer-mode):
* lisp/emulation/ws-mode.el (wordstar-mode):
* lisp/emacs-lisp/debug.el (debugger-mode):
* lisp/array.el (array-mode):
* lisp/net/eudc.el (eudc-mode): Use define-derived-mode.
* lisp/net/mairix.el (mairix-searches-mode-font-lock-keywords):
Move initialization into declaration.
(mairix-searches-mode): Use define-derived-mode.
* lisp/net/eudc-hotlist.el (eudc-hotlist-mode): Use define-derived-mode.
(eudc-edit-hotlist): Use dolist.
* lisp/man.el (Man-mode-syntax-table): Rename from man-mode-syntax-table.
(Man-mode): Use define-derived-mode.
* lisp/info.el (Info-edit-mode-map): Rename from Info-edit-map.
(Info-edit-mode): Use define-derived-mode.
(Info-cease-edit): Use Info-mode.
* lisp/eshell/esh-mode.el (eshell-mode-syntax-table): Move initialization
into declaration.
(eshell-mode): Use define-derived-mode.
* lisp/chistory.el (command-history-mode-map): Rename from
command-history-map.
(command-history-mode): Use define-derived-mode.
* lisp/calc/calc.el (calc-trail-mode-map): New var.
(calc-trail-mode): Use define-derived-mode.
(calc-trail-buffer): Set calc-main-buffer manually.
* lisp/bookmark.el (bookmark-insert-annotation): New function.
(bookmark-edit-annotation): Use it.
(bookmark-edit-annotation-mode): Make it a proper major mode.
(bookmark-send-edited-annotation): Use derived-mode-p.
* lisp/arc-mode.el (archive-mode): Move kill-all-local-variables a tiny bit
closer to its ideal place. Use \' to match EOS.
* lisp/cedet/semantic/grammar.el (semantic-grammar-mode): Use define-derived-mode.
(semantic-grammar-mode-syntax-table): Rename from
semantic-grammar-syntax-table.
(semantic-grammar-mode-map): Rename from semantic-grammar-map.
* lisp/cedet/data-debug.el (data-debug-mode-map): Rename from data-debug-map.
(data-debug-mode): Use define-derived-mode.
* lisp/gnus/score-mode.el (gnus-score-mode-map): Move initialization
into declaration.
(gnus-score-mode): Use define-derived-mode.
* lisp/gnus/gnus-srvr.el (gnus-browse-mode): Use define-derived-mode.
* lisp/gnus/gnus-kill.el (gnus-kill-file-mode-map): Move initialization
into declaration.
(gnus-kill-file-mode): Use define-derived-mode.
(gnus-kill-file-edit-file, gnus-kill-file-enter-kill, gnus-kill):
Use derived-mode-p.
* lisp/gnus/gnus-group.el (gnus-group-mode): Use define-derived-mode.
(gnus-group-setup-buffer, gnus-group-name-at-point)
(gnus-group-make-web-group, gnus-group-enter-directory)
(gnus-group-suspend): Use derived-mode-p.
* lisp/gnus/gnus-cus.el (gnus-custom-mode): Use define-derived-mode.
* lisp/gnus/gnus-bookmark.el (gnus-bookmark-bmenu-mode): Use define-derived-mode.
* lisp/gnus/gnus-art.el (gnus-article-mode): Use define-derived-mode.
(gnus-article-setup-buffer, gnus-article-prepare)
(gnus-article-prepare-display, gnus-sticky-article)
(gnus-kill-sticky-article-buffer, gnus-kill-sticky-article-buffers)
(gnus-bind-safe-url-regexp, gnus-article-check-buffer)
(gnus-article-read-summary-keys): Use derived-mode-p.
rather than other way around.
(completion--some, completion-pcm--find-all-completions):
Don't delay signals when debugging.
(minibuffer-completion-contents): Beware fields within the
minibuffer contents.
(completion-all-sorted-completions): Use defvar-local.
(completion--do-completion, completion--cache-all-sorted-completions)
(completion-all-sorted-completions, minibuffer-force-complete):
Add args `beg' and `end'.
(completion--in-region-1): New fun, extracted from minibuffer-complete.
(minibuffer-complete): Use completion-in-region.
(completion-complete-and-exit): New fun, extracted from
minibuffer-complete-and-exit.
(minibuffer-complete-and-exit): Use it.
(completion--complete-and-exit): Rename from
minibuffer--complete-and-exit.
(completion-in-region--single-word): New function, extracted from
minibuffer-complete-word.
(minibuffer-complete-word): Use it.
(display-completion-list): Make `common-substring' argument obsolete.
(completion--in-region): Call completion--in-region-1 instead of
minibuffer-complete.
(completion-help-at-point): Pass boundaries to
minibuffer-completion-help as args rather than via an overlay.
(completion-pcm--string->pattern): Use `any-delim'.
(completion-pcm--optimize-pattern): New function.
(completion-pcm--pattern->regex): Handle `any-delim'.
* lisp/icomplete.el (icomplete-forward-completions)
(icomplete-backward-completions, icomplete-completions):
Adjust calls to completion-all-sorted-completions and
completion--cache-all-sorted-completions.
(icomplete-with-completion-tables): Default to t.
* lisp/emacs-lisp/crm.el (crm--current-element): Rename from
crm--select-current-element. Don't put an overlay but return the
boundaries instead.
(crm--completion-command): Take two new args to bind to the boundaries.
(crm-completion-help): Adjust accordingly.
(crm-complete): Use completion-in-region.
(crm-complete-word): Use completion-in-region--single-word.
(crm-complete-and-exit): Use completion-complete-and-exit.
* lisp/cus-edit.el: Use lexical-binding.
(customize-push-and-save, customize-apropos)
(custom-buffer-create-internal): Use closures.
* lisp/progmodes/bat-mode.el (bat-mode-syntax-table): "..." are strings.
* lisp/progmodes/ada-xref.el: Use setq.
* lisp/net/tramp.el (with-tramp-progress-reporter): Avoid setq.
* lisp/dframe.el: Use lexical-binding.
(dframe-frame-mode): Fix calling convention for hooks. Use a closure.
* lisp/speedbar.el (speedbar-frame-mode): Adjust call accordingly.
* lisp/descr-text.el: Use lexical-binding.
(describe-text-widget, describe-text-sexp, describe-property-list):
Use closures.
* lisp/comint.el (comint-history-isearch-push-state): Use a closure.
* lisp/calculator.el: Use lexical-binding.
(calculator-number-to-string): Make it work with lexical-binding.
(calculator-funcall): Same and use cl-letf.
are immutable. Don't use `unsafe' any more.
(cl--defsubst-expand): Don't substitute at the same time as keeping
a residual unused let-binding. Don't use `unsafe' any more.
extracted from byte-compile-callargs-warn and byte-compile-normal-call.
(byte-compile-callargs-warn, byte-compile-function-form): Use it.
(byte-compile-normal-call): Remove obsolescence check.
(byte-compile-callargs-warn): Use `push'.
(byte-compile-arglist-warn): Ignore higher-order "calls".
(byte-compile-file-form-autoload): Use `pcase'.
(byte-compile-function-form): If quoting a symbol, check that it exists.
(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.
(advice-mapc): New function, using it.
(advice-function-member-p): New function.
(advice--normalize): Store the cdr in advice--saved-rewrite since
that's the part that will be changed.
(advice--symbol-function): New function.
(advice-remove): Handle removal before the function is defined.
Adjust to new advice--saved-rewrite.
(advice-member-p): Use advice-function-member-p and
advice--symbol-function.
* src/eval.c (default_toplevel_binding): New function.
(Fdefvar): Use it.
(unbind_to, backtrace_eval_unrewind): Do a bit of CSE simplification.
(Fdefault_toplevel_value, Fset_default_toplevel_value): New subrs.
(syms_of_eval): Export them.
* src/data.c (Fdefault_value): Micro cleanup.
* src/term.c (init_tty): Use "false".
* lisp/custom.el (custom-initialize-default, custom-initialize-set)
(custom-initialize-reset, custom-initialize-changed): Affect the
toplevel-default-value (bug#6275, bug#14586).
* lisp/emacs-lisp/advice.el (ad-compile-function): Undo previous workaround
for bug#6275.
* test/automated/core-elisp-tests.el: New file.
* lisp/files.el (save-buffers-kill-terminal):
* lisp/net/browse-url.el (browse-url):
* lisp/server.el (server-save-buffers-kill-terminal):
* lisp/textmodes/reftex-toc.el (reftex-toc, reftex-toc-revert):
Prefer nil to selected-frame for the first arg of frame-parameter.
(edebug-eval): Use backtrace-eval.
(edebug--display, edebug--recursive-edit): Don't let-bind the
edebug-outer-* vars that keep track of variables we locally let-bind.
(edebug-outside-excursion): Don't restore outside values of locally
let-bound vars.
(edebug--display): Use user-error.
(cl-lexical-debug, cl-debug-env): Remove.
* 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.
