X-Git-Url: http://git.hcoop.net/bpt/emacs.git/blobdiff_plain/0e23ef9ddeefadcba94824c09e412c961de283e7..5cc2e639c3eacf72c4864c45454a196279a0d512:/etc/NEWS diff --git a/etc/NEWS b/etc/NEWS index 58298a9a43..b2444edcaf 100644 --- a/etc/NEWS +++ b/etc/NEWS @@ -65,6 +65,14 @@ renamed to '--enable-check-lisp-object-type', as the resulting Lisp_Object type no longer uses a union to implement the compile time check that this option enables. +--- +** The default toolkit has been changed to Gtk+ version 3. +If you don't pass --with-x-toolkit to configure or if you pass +--with-x-toolkit=gtk or --with-x-toolkit=yes, configure will try to build +with Gtk+ version 3, and if that fails, try Gtk+ version 2. +You can explicitly require a specific version by passing +--with-x-toolkit=gtk2 or --with-x-toolkit=gtk3 to configure. + * Startup Changes in Emacs 24.3 @@ -78,6 +86,25 @@ been adding them there, put them somewhere else, eg site-lisp. * Changes in Emacs 24.3 +** minibuffer-electric-default-mode can rewrite (default ...) to [...]. +Just set minibuffer-eldef-shorten-default to t before enabling the mode. + +** Most y-or-n prompts now allow you to scroll the selected window. +Typing C-v or M-v at a y-or-n prompt scrolls forward or backward +respectively, without exiting from the prompt. + +** In minibuffer filename prompts, `C-M-f' and `C-M-b' now move to the +next and previous path separator, respectively. + +** Mode line changes +--- +*** New option `mode-line-default-help-echo' specifies the help text +(shown in a tooltip or in the echo area) for any part of the mode line +that does not have its own specialized help text. + +*** You can now click mouse-3 in the coding system indicator to +invokes `set-buffer-file-coding-system'. + ** Help changes *** `C-h f' (describe-function) can now perform autoloading. @@ -90,19 +117,6 @@ correctly. To disable this, set `help-enable-auto-load' to nil. even after their associated libraries have been loaded (and the autoloads have been redefined as functions). -** The function `current-time' now returns extended-format time stamps -(HIGH LOW USEC PSEC) that use picosecond resolution; the PSEC -component is new. PSEC is typically a multiple of 1000 on current -machines. Other functions that use this format, such as -file-attributes and format-time-string, have been changed accordingly. -Old-format time stamps are still accepted. - -** New functions `system-users', `system-groups' return lists of the user -name, group names known to the system (where possible). - -** If your Emacs was built from a bzr checkout, the new variable -`emacs-bzr-version' contains information about which bzr revision was used. - ** ImageMagick support, if available, is automatically enabled. It is no longer necessary to call `imagemagick-register-types' explicitly to install ImageMagick image types; that function is called @@ -121,107 +135,137 @@ treated as images. *** Images displayed via ImageMagick now support transparency and the :background image spec property. -** Internationalization changes +** Server and client changes -*** New language environment: Persian. +*** emacsclient now obeys string values for `initial-buffer-choice', +if it is told to open a new frame without specifying any file to visit +or expression to evaluate. -** Face underlining can now use a wave. -See the "Face Attributes" section of the Elisp manual. +*** New option `server-auth-key' specifies a shared server key. -** New fringe bitmap exclamation-mark. +** In the Package Menu, newly-available packages are listed as "new", +and sorted above the other "available" packages by default. + ++++ +** `C-x C-q' is now bound to the new minor mode `read-only-mode'. +This minor mode replaces `toggle-read-only', which is now obsolete. -** String values for `initial-buffer-choice' also apply to emacsclient -frames, if emacsclient is only told to open a new frame without -specifying any file to visit or expression to evaluate. +** Emacs now generates backtraces on fatal errors. +On encountering a fatal error, Emacs now outputs a textual description +of the fatal signal, and a short backtrace on platforms like glibc +that support backtraces. + +** If your Emacs was built from a bzr checkout, the new variable +`emacs-bzr-version' contains information about the bzr revision used. +++ -** You can prevent the creation of lock files by setting `create-lockfiles' -to nil. Use with caution, and only if you really need to. +** New variable `create-lockfiles' specifies usage of lockfiles. +It defaults to t. Changing it to nil inhibits the creation of lock +files (use this with caution). +++ ** Using "unibyte: t" in Lisp source files is obsolete. Use "coding: raw-text" instead. -** Mode line changes - -*** New option `mode-line-default-help-echo' specifies the help text -(shown in a tooltip or in the echo area) for any part of the mode line -that does not have its own specialized help text. - -*** You can now click mouse-3 in the coding system indicator to -invokes `set-buffer-file-coding-system'. - +++ ** Setting `enable-remote-dir-locals' to non-nil allows directory local variables on remote hosts. -+++ -** `insert-char' is now a command, and `ucs-insert' an obsolete alias -for it. - +--- ** The entry for PCL-CVS has been removed from the Tools menu. The PCL-CVS commands are still available via the keyboard. +** Internationalization changes +--- +*** New language environment: Persian. +--- +*** New input method `vietnamese-vni'. + * Editing Changes in Emacs 24.3 ++++ +** `C-x 8 RET' is now bound to `insert-char', which is now a command. +`ucs-insert' is now an obsolete alias for `insert-char'. + +--- ** The `z' key no longer has a binding in most special modes. -It used to kill the current buffer. +It used to be bound to `kill-this-buffer', but `z' is too easy to +accidentally type. -** New option `yank-handled-properties' allows processing of text -properties on yanked text, in more ways that are more general than -just removing them, as done by `yank-excluded-properties'. +** New option `delete-trailing-lines' specifies whether +M-x delete-trailing-whitespace should delete trailing lines at the end +of the buffer. It defaults to t. -** New option `delete-trailing-lines' specifies whether the M-x -delete-trailing-whitespace command should delete trailing lines at the -end of the buffer. It defaults to t. +** Search and Replace changes -** Search changes +*** Non-regexp Isearch now performs "lax" space matching. +Each sequence of spaces in the supplied search string may match any +sequence of one or more whitespace characters, as specified by the +variable `search-whitespace-regexp'. (This variable is also used by a +similar existing feature for regexp Isearch). + +*** New Isearch command `M-s SPC' toggles lax space matching. +This applies to both ordinary and regexp Isearch. + +*** New option `replace-lax-whitespace'. +If non-nil, `query-replace' uses flexible whitespace matching too. +The default is nil. *** Global `M-s _' starts a symbol (identifier) incremental search, and `M-s _' in Isearch toggles symbol search mode. `M-s c' in Isearch toggles search case-sensitivity. -*** `search-whitespace-regexp' now acts on ordinary incremental search -as well, so that each sequence of spaces in the search string matches -any combination of one or more whitespace characters. To change this -behavior, you can give `search-whitespace-regexp' a cons cell value, -where the car and cdr specify values for ordinary and regular -expression incremental search respectively. - -** M-x move-to-column, if called interactively with no prefix arg, now -prompts for a column number. - -** `mouse-avoidance-banish-position' can now be used to customize -`mouse-avoidance-mode' further. +** Register changes ++++ +*** `C-x r +' is now overloaded to invoke `append-to-register. ++++ +*** New option `register-separator' specifies the register containing +the text to put between collected texts for use with M-x +append-to-register and M-x prepend-to-register. ** `C-u M-=' now counts lines/words/characters in the entire buffer. -** `C-M-f' and `C-M-b' will now move to the path name separator -character when doing minibuffer filename prompts. +** New binding `M-g c' for `goto-char'. -** `goto-char' is now bound to `M-g c'. +** M-x move-to-column, if called interactively with no prefix arg, now +prompts for a column number. ** New command `C-x r M-w' (copy-rectangle-as-kill). It copies the region-rectangle as the last rectangle kill. -** New input method `vietnamese-vni'. +** New option `yank-handled-properties' allows processing of text +properties on yanked text, in more ways that are more general than +just removing them, as done by `yank-excluded-properties'. * Changes in Specialized Modes and Packages in Emacs 24.3 -** Compilation has a new `compilation-always-kill' configuration variable. +** Apropos + +*** The faces used by Apropos are now directly customizable. +These faces are named `apropos-symbol', `apropos-keybinding', and so on; +see the `apropos' Custom group for details. + +**** The old options whose values specified faces to use were removed +(i.e. `apropos-symbol-face', `apropos-keybinding-face', etc.). -** Term changes +** Buffer Menu +This package has been rewritten to use Tabulated List mode. -The variables `term-default-fg-color' and `term-default-bg-color' are -now deprecated in favor of the `term-face' face, that you can -customize. Also, it is now possible to customize how are displayed the -ANSI terminal colors and styles by customizing the corresponding -`term-color-', `term-color-underline' and `term-color-bold' -faces. +*** Option `Buffer-menu-buffer+size-width' is now obsolete. +Use `Buffer-menu-name-width' and `Buffer-menu-size-width' instead. + +** Calendar + +*** You can customize the header text that appears above each calendar month. +See the variable `calendar-month-header'. + +*** The calendars produced by cal-html include holidays. +Customize cal-html-holidays to change this. ** CL + *** CL's main entry is now (require 'cl-lib). `cl-lib' is like the old `cl' except that it uses the namespace cleanly, i.e. all its definitions have the "cl-" prefix (and internal definitions use @@ -247,11 +291,131 @@ closures, so such closures will only work if `lexical-binding' is in use. A side effect is that vars without corresponding value are bound to nil rather than making them unbound. +** Compilation mode + +*** New option `compilation-always-kill'. + +** Customize + +*** `custom-reset-button-menu' now defaults to t. + +*** Non-option variables are never matched in `customize-apropos' and +`customize-apropos-options' (i.e. the prefix argument does nothing for +these commands now). + ** Desktop *** `desktop-path' no longer includes the "." directory. Desktop files are now located in ~/.emacs.d by default. +** D-Bus + ++++ +*** New variables `dbus-compiled-version' and `dbus-runtime-version'. + ++++ +*** The D-Bus object manager interface is implemented. + ++++ +*** Variables of type :(u)int32 and :(u)int64 accept floating points, +if their value does not fit into Emacs's integer range. + ++++ +*** The function `dbus-call-method' works non-blocking now, it can be +interrupted by C-g. `dbus-call-method-non-blocking' is obsolete. + ++++ +*** Signals can be sent also as unicast message. + ++++ +*** The argument list of `dbus-register-signal' has been extended, +according to the new match rule types of D-Bus. See the manual for +details. + ++++ +*** `dbus-init-bus' supports private connections. + ++++ +*** There is a new function `dbus-setenv'. + +** Diff mode + +*** Changes are now highlighted using the same color scheme as in +modern VCSes. Deletions are displayed in red (new faces +`diff-refine-removed' and `smerge-refined-removed' and new definition +of `diff-removed'), insertions in green (new faces `diff-refine-added' +and `smerge-refined-added' and new definition of `diff-added'). + +*** The variable `diff-use-changed-face' defines whether to use the +face `diff-changed', or `diff-removed' and `diff-added' to highlight +changes in context diffs. + +*** The new command `diff-remove-trailing-whitespace' fixes trailing +whitespace problems introduced by the diff. + +** Dired + +*** `dired-do-async-shell-command' executes each file sequentially +if the command ends in `;' (when operating on multiple files). +Otherwise, it executes the command on each file in parallel. + +*** Typing M-n in the minibuffer of `dired-do-chmod', `dired-do-chgrp', +`dired-do-chown', `dired-do-touch' pulls the file attributes of the +file at point. + +*** When the region is active, `m' (`dired-mark'), `u' (`dired-unmark'), +`DEL' (`dired-unmark-backward'), `d' (`dired-flag-file-deletion') +mark/unmark/flag all files in the active region. + +*** The minibuffer default for `=' (`dired-diff) has changed. +It is now the backup file for the file at point, if one exists. +In Transient Mark mode the default is the file at the active mark. + +*** `M-=' is no longer bound to `dired-backup-diff' in Dired buffers. +The global binding for `M-=', `count-words-region' is in effect. + +** Ediff now uses the same color scheme as Diff mode. + +** erc will look up server/channel names via auth-source and use the +channel keys found, if any. + +** Flymake uses fringe bitmaps to indicate errors and warnings. +See flymake-fringe-indicator-position, flymake-error-bitmap and +flymake-warning-bitmap. + +** Follow mode + +*** The obsolete variable `follow-mode-off-hook' has been removed. + +*** Follow mode no longer works by using advice. +The option `follow-intercept-processes' has been removed. + +** FFAP + +*** The option `ffap-url-unwrap-remote' can now be a list of strings, +specifying URL types which should be converted to remote file names at +the FFAP prompt. The default is now '("ftp"). + +** Ibuffer + +*** New `derived-mode' filter, bound to `/ M'. +The old binding for `/ M' (filter by used-mode) is now bound to `/ m'. + +** Mouse Avoidance mode + +The new variable `mouse-avoidance-banish-position' can now be used to +customize Mouse Avoidance mode further. + ++++ +** notifications.el supports now version 1.2 of the Notifications API. +The function `notifications-get-capabilities' returns the supported +server properties. + +** In Perl mode, new option `perl-indent-parens-as-block' causes non-block +closing brackets to be aligned with the line of the opening bracket. + +** In Proced mode, new command `proced-renice' renices marked processes. + ** Python mode A new version of python.el, which provides several new features, including: @@ -307,39 +471,6 @@ python-send-string | python-shell-send-string python-switch-to-python | python-shell-switch-to-shell python-describe-symbol | python-eldoc-at-point -** VHDL mode - -*** The free software compiler GHDL is supported (and now the default). - -*** Support for the VHDL-AMS packages has been added/updated. - -*** Updated to the 2002 revision of the VHDL standard. - -*** Accepts \r and \f as whitespace. - -** Diff mode - -Faces for changes now use the same diff color scheme as in modern VCSes -where deletions are displayed in red (new faces `diff-refine-removed' -and `smerge-refined-removed' and new definition of `diff-removed'), -insertions in green (new faces `diff-refine-added' and -`smerge-refined-added' and new definition of `diff-added'). -The variable `diff-use-changed-face' defines whether to use -the face `diff-changed', or `diff-removed' and `diff-added' -to highlight changes in context diffs. - -** Ediff now uses the same color scheme as Diff mode -on high color displays. - -** Flymake uses fringe bitmaps to indicate errors and warnings. -See flymake-fringe-indicator-position, flymake-error-bitmap and -flymake-warning-bitmap. - -** `sh-script' -*** Pairing of parens/quotes uses electric-pair-mode instead of skeleton-pair. -*** `sh-electric-here-document-mode' now controls auto-insertion of here-docs. -*** `sh-use-smie' lets you choose a new indentation and navigation code. - ** reStructuredText mode *** Rebind nearly all keys making room for more keys and complying @@ -368,45 +499,15 @@ the experience for Sphinx users. *** Package version in `rst-version'. -** New `derived-mode' filter for Ibuffer, bound to `/ M'. -`/ m' is now bound to filter by used-mode, which used to be bound to `/ M'. - -** Apropos - -*** The faces used by Apropos are now directly customizable. -These faces are named `apropos-symbol', `apropos-keybinding', and so on; -see the `apropos' Custom group for details. - -**** The old options whose values specified faces to use were removed -(i.e. `apropos-symbol-face', `apropos-keybinding-face', etc.). - -** Buffer Menu -This package has been rewritten to use Tabulated List mode. - -*** Option `Buffer-menu-buffer+size-width' is now obsolete. -Use `Buffer-menu-name-width' and `Buffer-menu-size-width' instead. +*** Support `imenu' and `which-func'. -** Calendar - -*** The calendars produced by cal-html include holidays. -Customize cal-html-holidays to change this. - -** Customize - -*** `custom-reset-button-menu' now defaults to t. - -*** Non-option variables are never matched in `customize-apropos' and -`customize-apropos-options' (i.e. the prefix argument does nothing for -these commands now). +** SH Script mode -** erc will look up server/channel names via auth-source and use the -channel keys found, if any. +*** Pairing of parens/quotes uses electric-pair-mode instead of skeleton-pair. -** Dired +*** `sh-electric-here-document-mode' now controls auto-insertion of here-docs. -*** `dired-do-async-shell-command' executes each file sequentially -if the command ends in `;' (when operating on multiple files). -Otherwise, it executes the command on each file in parallel. +*** `sh-use-smie' lets you choose a new indentation and navigation code. ** Shell @@ -414,83 +515,35 @@ Otherwise, it executes the command on each file in parallel. for a new asynchronous shell command when the default output buffer `*Async Shell Command*' is already taken by another running command. -** FFAP +** SQL Mode -*** The option `ffap-url-unwrap-remote' can now be a list of strings, -specifying URL types which should be converted to remote file names at -the FFAP prompt. The default is now '("ftp"). - -** Follow mode +*** DB2 added `sql-db2-escape-newlines' -*** The obsolete variable `follow-mode-off-hook' has been removed. +If non-nil, newlines sent to the command interpreter will be escaped +by a backslash. The default does not escape the newlines and assumes +that the sql statement will be terminated by a semicolon. -*** Follow mode no longer works by using advice. -The option `follow-intercept-processes' has been removed. - -** The `server-auth-key' variable can be used to set a permanent -shared key for Emacs Server. +** Tabulated List and packages derived from it -** In Perl mode, new option `perl-indent-parens-as-block' causes non-block -closing brackets to be aligned with the line of the opening bracket. +*** New command `tabulated-list-sort', bound to `S', sorts the column +at point, or the Nth column if a numeric prefix argument is given. -** FIXME something happened to ses.el, 2012-04-17. +** Term -** which-function-mode now applies to all applicable major modes by default. +The variables `term-default-fg-color' and `term-default-bg-color' are +now deprecated in favor of the `term-face' face, that you can +customize. Also, it is now possible to customize how are displayed the +ANSI terminal colors and styles by customizing the corresponding +`term-color-', `term-color-underline' and `term-color-bold' +faces. ** Tramp - +++ *** The syntax has been extended in order to allow ad-hoc proxy definitions. See the manual for details. - +++ *** Remote processes are now supported also on remote Windows host. -** D-Bus - -+++ -*** New variables `dbus-compiled-version' and `dbus-runtime-version'. - -+++ -*** The D-Bus object manager interface is implemented. - -+++ -*** Variables of type :(u)int32 and :(u)int64 accept floating points, -if their value does not fit into Emacs's integer range. - -+++ -*** The function `dbus-call-method' works non-blocking now, it can be -interrupted by C-g. `dbus-call-method-non-blocking' is obsolete. - -+++ -*** Signals can be sent also as unicast message. - -+++ -*** The argument list of `dbus-register-signal' has been extended, -according to the new match rule types of D-Bus. See the manual for -details. - -+++ -*** `dbus-init-bus' supports private connections. - -+++ -*** There is a new function `dbus-setenv'. - -+++ -** notifications.el supports now version 1.2 of the Notifications API. -The function `notifications-get-capabilities' returns the supported -server properties. - -** Package Menu - -*** Newly-available packages are listed in the Package Menu as "new", -and sorted above the other "available" packages by default. - -** Tabulated List and packages derived from it - -*** New command `tabulated-list-sort', bound to `S', sorts the column -at point, or the Nth column if a numeric prefix argument is given. - ** URL *** Structs made by `url-generic-parse-url' have nil `attributes' slot. @@ -503,6 +556,25 @@ and the `attributes' slot is always nil. The `url-retrieve' function now uses this to encode its URL argument, in case that is not properly encoded. +** VHDL mode + +*** The free software compiler GHDL is supported (and now the default). + +*** Support for the VHDL-AMS packages has been added/updated. + +*** Updated to the 2002 revision of the VHDL standard. + +*** Accepts \r and \f as whitespace. + +** which-function-mode now applies to all applicable major modes by default. + +--- +** winner-mode-hook now runs when the mode is disabled, as well as when it is +enabled. + +** FIXME something happened to ses.el, 2012-04-17. + + ** Obsolete packages: *** assoc.el @@ -589,68 +661,111 @@ are deprecated and will be removed eventually. **** inactivate-current-input-method-function -> deactivate-current-input-method-function -** The following obsolete variables and varaliases have been removed: +** Some obsolete functions and variables were removed: *** `facemenu-unlisted-faces' *** `rmail-decode-mime-charset' -*** `last-input-char' and `last-command-char' +*** `last-input-char', `last-command-char', `unread-command-char'. +*** `iswitchb-read-buffer' +*** `sc-version', `sc-submit-bug-report' +*** `set-char-table-default' +*** `string-to-sequence' (use `string-to-list' or `string-to-vector'). +*** `compile-internal' +*** `mode-line-inverse-video' +*** `cvs-commit-buffer-require-final-newline' +(use `'log-edit-require-final-newline'instead) +*** `cvs-changelog-full-paragraphs' +(use `log-edit-changelog-full-paragraphs' instead) +*** `cvs-diff-ignore-marks', `cvs-diff-buffer-name' +*** `vc-ignore-vc-files' (use `vc-handled-backends' instead) +*** `vc-master-templates' (use `vc-handled-backends' instead) +*** `vc-checkout-carefully' * Lisp changes in Emacs 24.3 -** New minor mode `read-only-mode' to replace toggle-read-only (now obsolete). +** New sampling-based Elisp profiler. +Try M-x profiler-start ... M-x profiler-stop; and then M-x profiler-report. +The sampling rate can be based on CPU time (only supported on some +systems), or based on memory allocations. -** New functions `autoloadp' and `autoload-do-load'. +** CL-style generalized variables are now in core Elisp. +`setf' is autoloaded; `push' and `pop' accept generalized variables. -** New function `posnp' to test if an object is a `posn'. +** `defun' also accepts a (declare DECLS) form, like `defmacro'. +The interpretation of the DECLS is determined by `defun-declarations-alist'. -** `function-get' fetches the property of a function, following aliases. +** Completion -** `toggle-read-only' accepts a second argument specifying whether to -print a message, if called from Lisp. +*** New function `completion-table-with-quoting' to handle completion +in the presence of quoting, such as file completion in shell buffers. -** CL-style generalized variables are now in core Elisp. -`setf' is autoloaded and `push' and `pop' accept generalized variables. +*** New function `completion-table-subvert' to use an existing completion +table, but with a different prefix. -** `defun' also accepts a (declare DECLS) form, like `defmacro'. -The interpretation of the DECLS is determined by `defun-declarations-alist'. +** Debugger changes -** `macro-declaration-function' is obsolete, use `macro-declarations-alist'. +*** New error type and new function `user-error'. +These do not trigger the debugger. -** New function `set-temporary-overlay-map'. +*** New option `debugger-bury-or-kill'. -** New macros `setq-local' and `defvar-local'. +*** Set `debug-on-message' to enter the debugger when a certain +message is displayed in the echo area. This can be useful when trying +to work out which code is doing something. + +*** New var `inhibit-debugger', automatically set to prevent accidental +recursive invocations. + +** Minibuffer -** New error type and new function `user-error'. Doesn't trigger the debugger. +*** `read-regexp' has a new argument HISTORY; the first argument PROMPT +of `read-regexp' accepts a string ending with a colon and space, and its +second argument DEFAULTS can be a list of strings accessible via M-n +in the minibuffer ahead of other hard-coded useful regexp-related values. +More commands use `read-regexp' now to read their regexp arguments. ** Window changes *** The functions get-lru-window, get-mru-window and get-largest-window now accept a third argument to avoid choosing the selected window. -*** New display action alist `inhibit-switch-frame', if non-nil, tells -display action functions to avoid changing which frame is selected. +*** Additional values recognized for option `window-combination-limit'. + +*** New macro `with-temp-buffer-window'. + +*** New options `temp-buffer-resize-frames' and +`temp-buffer-resize-regexps'. + +*** `temp-buffer-resize-mode' no longer resizes windows that have been +reused. + +*** New function `fit-frame-to-buffer' and new option +`fit-frame-to-buffer-bottom-margin'. + +*** New display action functions `display-buffer-below-selected', +`display-buffer-at-bottom' and `display-buffer-in-previous-window'. -*** New display action alist `pop-up-frame-parameters', if non-nil, -specifies frame parameters to give any newly-created frame. +*** New display action alist entry `inhibit-switch-frame', if non-nil, +tells display action functions to avoid changing which frame is +selected. + +*** New display action alist entry `pop-up-frame-parameters', if +non-nil, specifies frame parameters to give any newly-created frame. + +*** New display action alist entry `previous-window', if non-nil, +specifies window to reuse in `display-buffer-in-previous-window'. *** The following variables are obsolete, as they can be replaced by appropriate entries in the `display-buffer-alist' function introduced in Emacs 24.1: - ++++ **** `display-buffer-reuse-frames' **** `special-display-regexps' **** `special-display-frame-alist' **** `special-display-buffer-names' **** `special-display-function' - -** Completion - -*** New function `completion-table-with-quoting' to handle completion -in the presence of quoting, such as file completion in shell buffers. - -*** New function `completion-table-subvert' to use an existing completion -table, but with a different prefix. +**** `display-buffer-function' ** Time @@ -658,12 +773,58 @@ table, but with a different prefix. must be in the range 1000..9999. It now works with any year supported by the underlying C implementation. -** New function file-name-base. +*** `current-time' now returns extended-format time stamps +(HIGH LOW USEC PSEC), where the new PSEC slot specifies picoseconds. +PSEC is typically a multiple of 1000 on current machines. Other +functions that use this format, such as file-attributes and +format-time-string, have been changed accordingly. Old-format time +stamps are still accepted. + +*** The format of timers in timer-list and timer-idle-list is now +[TRIGGERED-P HI-SECS LO-SECS USECS REPEAT-DELAY FUNCTION ARGS IDLE-DELAY PSECS]. +The PSECS slot is new, and uses picosecond resolution. It can be +accessed via the new timer--psecs accessor. + +** Floating point functions now always return special values like NaN, +instead of signaling errors, if given invalid args, e.g. (log -1.0). +Previously, they returned NaNs on some platforms but signaled errors +on others. The affected functions are acos, asin, tan, exp, expt, +log, log10, sqrt, and mod. + +** Interpreted files are eagerly macro-expanded during load. +This can significantly speed up execution of non-byte-compiled code, +but can also bump into harmless and previously unnoticed cyclic +dependencies. These should not be fatal: they will simply cause the +macro-calls to be left for later expansion (as before), but will also +result in a warning describing the cycle. + +** Misc new functions: + +*** `autoloadp' +*** `autoload-do-load'. +*** `buffer-narrowed-p' tests if the buffer is narrowed. +*** `file-name-base' returns a file name sans directory and extension. +*** `function-get' fetches a function property, following aliases. +*** `posnp' tests if an object is a `posn'. +*** `set-temporary-overlay-map' sets up a temporary overlay map. +*** `system-users' returns the user names on the system. +*** `system-groups' returns the group names on the system. +*** `tty-top-frame' returns the topmost frame of a text terminal. + +** New macros `setq-local' and `defvar-local'. -** New function `tty-top-frame' returns the topmost frame of a text terminal. +** New fringe bitmap exclamation-mark. + +** Face underlining can now use a wave. +See the "Face Attributes" section of the Elisp manual. + +** The following functions and variables are obsolete: + +*** `automount-dir-prefix' +*** `buffer-has-markers-at' +*** `macro-declaration-function' (use `macro-declarations-alist'). +*** `window-system-version' -** `automount-dir-prefix' is obsolete. -** `buffer-has-markers-at' is obsolete. * Changes in Emacs 24.3 on non-free operating systems @@ -1396,6 +1557,10 @@ If you had that set, you need to put in your ~/.authinfo file instead. +*** SMTPmail defaults to using the address in the From: header as the +SMTP MAIL FROM envelope. To override this, set `mail-envelope-from' +to the address you wish to use instead. + ** SQL mode *** New options `sql-port', `sql-connection-alist', `sql-send-terminator',