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| -rw-r--r-- | etc/NEWS | 384 |
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@@ -47,7 +47,6 @@ new display features described below. * Changes in Emacs 21.1 -+++ ** Emacs has a new redisplay engine. The new redisplay handles characters of variable width and height. @@ -56,7 +55,6 @@ oversized characters, i.e. characters larger than the logical height of a font can be used. Images of various formats can be displayed in the text. -+++ ** Emacs has a new face implementation. The new faces no longer fundamentally use X font names to specify the @@ -69,7 +67,6 @@ Faces are supported on terminals that can display color or fonts. These terminal capabilities are auto-detected. Details can be found under Lisp changes, below. -+++ ** Emacs can display faces on TTY frames. Emacs automatically detects terminals that are able to display colors. @@ -88,10 +85,8 @@ the colors supported by the terminal. This means you could have the same color customizations that work both on a windowed display and on a TTY or when Emacs is invoked with the -nw option. ---- ** New default font is Courier 12pt under X. ---- ** Sound support Emacs supports playing sound files on GNU/Linux and FreeBSD (Voxware @@ -100,7 +95,6 @@ supported file formats are RIFF-WAVE (*.wav) and Sun Audio (*.au). You must configure Emacs with the option `--with-sound=yes' to enable sound support. -+++ ** Emacs now resizes mini-windows if appropriate. If a message is longer than one line, or minibuffer contents are @@ -125,20 +119,17 @@ again. Default is `grow-only'. -+++ ** LessTif support. Emacs now runs with the LessTif toolkit (see <http://www.lesstif.org>). You will need version 0.92.26, or later. -+++ ** LessTif/Motif file selection dialog. When Emacs is configured to use LessTif or Motif, reading a file name from a menu will pop up a file selection dialog if `use-dialog-box' is non-nil. -+++ ** Toolkit scroll bars. Emacs now uses toolkit scroll bars if available. When configured for @@ -168,7 +159,6 @@ This is not a problem when Imakefiles are used because each system's imake configuration file contains the necessary information. Since Emacs doesn't use imake, this has do be done manually. -+++ ** Tool bar support. Emacs supports a tool bar at the top of a frame under X. For details @@ -182,7 +172,6 @@ To make the tool bar more useful, we need contributions of extra icons for specific modes (with copyright assignments). Contributions would also be useful to touch up some of the PBM icons manually. -+++ ** Tooltips. Tooltips are small X windows displaying a help string at the current @@ -194,7 +183,6 @@ variable values can be displayed in tooltips by pointing at them with the mouse in source buffers. You can customize various aspects of the tooltip display in the group `tooltip'. -+++ ** Automatic Hscrolling Horizontal scrolling now happens automatically if @@ -207,7 +195,6 @@ for automatic horizontal scrolling. Automatic scrolling will scroll the text more to the left if necessary, but won't scroll the text more to the right than the column set with set-window-hscroll etc. -+++ ** When using a windowing terminal, each Emacs window now has a cursor of its own. By default, when a window is selected, the cursor is solid; otherwise, it is hollow. The user-option @@ -215,13 +202,11 @@ solid; otherwise, it is hollow. The user-option cursor in non-selected windows. If nil, no cursor is shown, if non-nil a hollow box cursor is shown. -+++ ** Fringes to the left and right of windows are used to display truncation marks, continuation marks, overlay arrows and alike. The foreground, background, and stipple of these areas can be changed by customizing face `fringe'. -+++ ** The mode line under X is now drawn with shadows by default. You can change its appearance by modifying the face `mode-line'. In particular, setting the `:box' attribute to nil turns off the 3D @@ -234,7 +219,6 @@ versions of emacs to make the mode-line stand out, is now deprecated. However, setting it to nil will cause the `mode-line' face to be ignored, and mode-lines to be drawn using the default text face. -+++ ** Mouse-sensitive mode line. Different parts of the mode line have been made mouse-sensitive on all @@ -259,13 +243,11 @@ M-mouse-2 switches to the previous buffer in the buffer list. - Mouse-3 on the mode name displays a minor-mode menu. -+++ ** Hourglass pointer Emacs can optionally display an hourglass pointer under X. You can turn the display on or off by customizing group `cursor'. -+++ ** Blinking cursor M-x blink-cursor-mode toggles a blinking cursor under X and on @@ -273,7 +255,6 @@ terminals having terminal capabilities `vi', `vs', and `ve'. Blinking and related parameters like frequency and delay can be customized in the group `cursor'. -+++ ** New font-lock support mode `jit-lock-mode'. This support mode is roughly equivalent to `lazy-lock' but is @@ -284,7 +265,6 @@ details. Font-lock uses jit-lock-mode as default support mode, so you don't have to do anything to activate it. -+++ ** The default binding of the Delete key has changed. The new user-option `normal-erase-is-backspace' can be set to @@ -309,26 +289,21 @@ terminal if you don't have both Backspace, Delete and F1 keys. Programmatically, you can call function normal-erase-is-backspace-mode to toggle the behavior of the Delete and Backspace keys. -+++ ** The default for user-option `next-line-add-newlines' has been changed to nil, i.e. C-n will no longer add newlines at the end of a buffer by default. ---- ** The <home> and <end> keys now move to the beginning or end of the current line, respectively. C-<home> and C-<end> move to the beginning and end of the buffer. ---- ** Emacs now checks for recursive loads of Lisp files. If the recursion depth exceeds `recursive-load-depth-limit', an error is signaled. -+++ ** When an error is signaled during the loading of the user's init file, Emacs now pops up the *Messages* buffer. -+++ ** Emacs now refuses to load compiled Lisp files which weren't compiled with Emacs. Set `load-dangerous-libraries' to t to change this behavior. @@ -337,23 +312,19 @@ The reason for this change is an incompatible change in XEmacs's byte compiler. Files compiled with XEmacs can contain byte codes that let Emacs dump core. ---- ** Toggle buttons and radio buttons in menus. When compiled with LessTif (or Motif) support, Emacs uses toolkit widgets for radio and toggle buttons in menus. When configured for Lucid, Emacs draws radio buttons and toggle buttons similar to Motif. ---- ** The menu bar configuration has changed. The new configuration is more CUA-compliant. The most significant change is that Options is now a separate menu-bar item, with Mule and Customize as its submenus. ---- ** Item Save Options on the Options menu allows saving options set using that menu. -+++ ** Highlighting of trailing whitespace. When `show-trailing-whitespace' is non-nil, Emacs displays trailing @@ -363,41 +334,33 @@ highlighting when entering new text, trailing whitespace is not displayed if point is at the end of the line containing the whitespace. -+++ ** C-x 5 1 runs the new command delete-other-frames which deletes all frames except the selected one. -+++ ** The new user-option `confirm-kill-emacs' can be customized to let Emacs ask for confirmation before exiting. -+++ ** The header line in an Info buffer is now displayed as an emacs header-line (which is like a mode-line, but at the top of the window), so that it remains visible even when the buffer has been scrolled. This behavior may be disabled by customizing the option `Info-use-header-line'. ---- ** Polish, Czech, German, and French translations of Emacs' reference card have been added. They are named `pl-refcard.tex', `cs-refcard.tex', `de-refcard.tex' and `fr-refcard.tex'. Postscript files are included. ---- ** An `Emacs Survival Guide', etc/survival.tex, is available. ---- ** A reference card for Dired has been added. Its name is `dired-ref.tex'. A French translation is available in `fr-drdref.tex'. -+++ ** C-down-mouse-3 is bound differently. Now if the menu bar is not displayed it pops up a menu containing the items which would be on the menu bar. If the menu bar is displayed, it pops up the major mode menu or the Edit menu if there is no major mode menu. ---- ** Variable `load-path' is no longer customizable through Customize. You can no longer use `M-x customize-variable' to customize `load-path' @@ -405,11 +368,9 @@ because it now contains a version-dependent component. You can still use `add-to-list' and `setq' to customize this variable in your `~/.emacs' init file or to modify it from any Lisp program in general. -+++ ** C-u C-x = provides detailed information about the character at point in a pop-up window. -+++ ** Emacs can now support 'wheeled' mice (such as the MS IntelliMouse) under XFree86. To enable this, use the `mouse-wheel-mode' command, or customize the variable `mouse-wheel-mode'. @@ -417,43 +378,34 @@ customize the variable `mouse-wheel-mode'. The variables `mouse-wheel-follow-mouse' and `mouse-wheel-scroll-amount' determine where and by how much buffers are scrolled. -+++ ** Emacs' auto-save list files are now by default stored in a sub-directory `.emacs.d/auto-save-list/' of the user's home directory. (On MS-DOS, this subdirectory's name is `_emacs.d/auto-save.list/'.) You can customize `auto-save-list-file-prefix' to change this location. -+++ ** The function `getenv' is now callable interactively. -+++ ** The new user-option `even-window-heights' can be set to nil to prevent `display-buffer' from evening out window heights. -+++ ** The new command M-x delete-trailing-whitespace RET will delete the trailing whitespace within the current restriction. You can also add this function to `write-file-hooks' or `local-write-file-hooks'. ---- ** When visiting a file with M-x find-file-literally, no newlines will be added to the end of the buffer even if `require-final-newline' is non-nil. -+++ ** The new user-option `find-file-suppress-same-file-warnings' can be set to suppress warnings ``X and Y are the same file'' when visiting a file that is already visited under a different name. ---- ** The new user-option `electric-help-shrink-window' can be set to nil to prevent adjusting the help window size to the buffer size. -+++ ** New command M-x describe-character-set reads a character set name and displays information about that. ---- ** The new variable `auto-mode-interpreter-regexp' contains a regular expression matching interpreters, for file mode determination. @@ -464,11 +416,9 @@ interpreted by the interpreter matched by the second group of the regular expression. The mode is then determined as the mode associated with that interpreter in `interpreter-mode-alist'. ---- ** New function executable-make-buffer-file-executable-if-script-p is suitable as an after-save-hook as an alternative to `executable-chmod'. -+++ ** The most preferred coding-system is now used to save a buffer if buffer-file-coding-system is `undecided' and it is safe for the buffer contents. (The most preferred is set by set-language-environment or @@ -477,15 +427,12 @@ insert a non-ASCII character from your current language environment, the file will be saved silently with the appropriate coding. Previously you would be prompted for a safe coding system. ---- ** The many obsolete language `setup-...-environment' commands have been removed -- use `set-language-environment'. -+++ ** The new Custom option `keyboard-coding-system' specifies a coding system for keyboard input. -+++ ** New variable `inhibit-iso-escape-detection' determines if Emacs' coding system detection algorithm should pay attention to ISO2022's escape sequences. If this variable is non-nil, the algorithm ignores @@ -496,24 +443,19 @@ read a specific file without decoding escape codes, use C-x RET c (`universal-coding-system-argument'). For instance, C-x RET c latin-1 RET C-x C-f filename RET. ---- ** Variable `default-korean-keyboard' is initialized properly from the environment variable `HANGUL_KEYBOARD_TYPE'. -+++ ** New command M-x list-charset-chars reads a character set name and displays all characters in that character set. ---- ** M-x set-terminal-coding-system (C-x RET t) now allows CCL-based coding systems such as cpXXX and cyrillic-koi8. -+++ ** Emacs now attempts to determine the initial language environment and preferred and locale coding systems systematically from the LC_ALL, LC_CTYPE, and LANG environment variables during startup. -+++ ** New language environments `Polish', `Latin-8' and `Latin-9'. Latin-8 and Latin-9 correspond respectively to the ISO character sets 8859-14 (Celtic) and 8859-15 (updated Latin-1, with the Euro sign). @@ -522,12 +464,10 @@ GNU Intlfonts doesn't support these yet but recent X releases have There are new Leim input methods for Latin-8 and Latin-9 prefix (only) and Polish `slash'. -+++ ** New language environments `Dutch' and `Spanish'. These new environments mainly select appropriate translations of the tutorial. ---- ** In Ethiopic language environment, special key bindings for function keys are changed as follows. This is to conform to "Emacs Lisp Coding Convention". @@ -549,14 +489,12 @@ Lisp Coding Convention". S-f9 ethio-replace-space unchanged C-f9 ethio-toggle-space f2 ---- ** The rule of input method "slovak" is slightly changed. Now the rules for translating "q" and "Q" to "`" (backquote) are deleted, thus typing them inserts "q" and "Q" respectively. Rules for translating "=q", "+q", "=Q", and "+Q" to "`" are also deleted. Now, to input "`", you must type "=q". -+++ ** When your terminal can't display characters from some of the ISO 8859 character sets but can display Latin-1, you can display more-or-less mnemonic sequences of ASCII/Latin-1 characters instead of @@ -564,28 +502,23 @@ empty boxes (under a window system) or question marks (not under a window system). Customize the option `latin1-display' to turn this on. -+++ ** M-; now calls comment-dwim which tries to do something clever based on the context. M-x kill-comment is now an alias to comment-kill, defined in newcomment.el. You can choose different styles of region commenting with the variable `comment-style'. -+++ ** New user options `display-time-mail-face' and `display-time-use-mail-icon' control the appearance of mode-line mail indicator used by the display-time package. On a suitable display the indicator can be an icon and is mouse-sensitive. -+++ ** On window-systems, additional space can be put between text lines on the display using several methods -+++ - By setting frame parameter `line-spacing' to PIXELS. PIXELS must be a positive integer, and specifies that PIXELS number of pixels should be put below text lines on the affected frame or frames. -+++ - By setting X resource `lineSpacing', class `LineSpacing'. This is equivalent to specifying the frame parameter. @@ -594,22 +527,18 @@ equivalent to specifying the frame parameter. - By setting buffer-local variable `line-spacing'. The meaning is the same, but applies to the a particular buffer only. -+++ ** The new command `clone-indirect-buffer' can be used to create an indirect buffer that is a twin copy of the current buffer. The command `clone-indirect-buffer-other-window', bound to C-x 4 c, does the same but displays the indirect buffer in another window. -+++ ** New user options `backup-directory-alist' and `make-backup-file-name-function' control the placement of backups, typically in a single directory or in an invisible sub-directory. ---- ** New commands iso-iso2sgml and iso-sgml2iso convert between Latin-1 characters and the corresponding SGML (HTML) entities. -+++ ** New X resources recognized *** The X resource `synchronous', class `Synchronous', specifies @@ -655,7 +584,6 @@ Example: emacs.privateColormap: true -+++ ** Faces and frame parameters. There are four new faces `scroll-bar', `border', `cursor' and `mouse'. @@ -671,12 +599,10 @@ Changing frame parameter `font' sets font-related attributes of the `foreground-color' or `background-color' sets the colors of the `default' face and vice versa. -+++ ** New face `menu'. The face `menu' can be used to change colors and font of Emacs' menus. -+++ ** New frame parameter `screen-gamma' for gamma correction. The new frame parameter `screen-gamma' specifies gamma-correction for @@ -691,7 +617,6 @@ color displays. The viewing gamma Emacs uses is 0.4545. (1/2.2). The X resource name of this parameter is `screenGamma', class `ScreenGamma'. ---- ** Tabs and variable-width text. Tabs are now displayed with stretch properties; the width of a tab is @@ -701,7 +626,6 @@ Thus, tabs can be used to line up text in different fonts. ** Enhancements of the Lucid menu bar -+++ *** The Lucid menu bar now supports the resource "margin". emacs.pane.menubar.margin: 5 @@ -712,14 +636,12 @@ LessTif/Motif one. *** Arrows that indicate sub-menus are now drawn with shadows, as in LessTif and Motif. -+++ ** A block cursor can be drawn as wide as the glyph under it under X. As an example: if a block cursor is over a tab character, it will be drawn as wide as that tab on the display. To do this, set `x-stretch-cursor' to a non-nil value. -+++ ** Empty display lines at the end of a buffer may be marked with a bitmap (this is similar to the tilde displayed by vi and Less). @@ -727,7 +649,6 @@ This behavior is activated by setting the buffer-local variable `indicate-empty-lines' to a non-nil value. The default value of this variable is found in `default-indicate-empty-lines'. -+++ ** There is a new "aggressive" scrolling method. When scrolling up because point is above the window start, if the @@ -740,21 +661,17 @@ value of the buffer-local variable `scroll-down-aggressively' is a number, Emacs chooses a new window start so that point ends up that fraction of the window's height from the bottom of the window. -+++ ** You can now easily create new *Info* buffers using either M-x clone-buffer, C-u m <entry> RET or C-u g <entry> RET. M-x clone-buffer can also be used on *Help* and several other special buffers. ---- ** The command `Info-search' now uses a search history. ---- ** Listing buffers with M-x list-buffers (C-x C-b) now shows abbreviated file names. Abbreviations can be customized by changing `directory-abbrev-alist'. -+++ ** A new variable, backup-by-copying-when-privileged-mismatch, gives the highest file uid for which backup-by-copying-when-mismatch will be forced on. The assumption is that uids less than or equal to this @@ -764,42 +681,33 @@ even if your system policy allows users other than root to edit them. The default is 200; set the variable to nil to disable the feature. ---- ** The rectangle commands now avoid inserting undesirable spaces, notably at the end of lines. All these functions have been rewritten to avoid inserting unwanted spaces, and an optional prefix now allows them to behave the old way. -+++ ** The function `replace-rectangle' is an alias for `string-rectangle'. -+++ ** The new command M-x string-insert-rectangle is like `string-rectangle', but inserts text instead of replacing it. ---- ** The new command M-x query-replace-regexp-eval acts like query-replace-regexp, but takes a Lisp expression which is evaluated after each match to get the replacement text. -+++ ** M-x query-replace recognizes a new command `e' (or `E') that lets you edit the replacement string. ---- ** The new command mail-abbrev-complete-alias, bound to `M-TAB' (if you load the library `mailabbrev'), lets you complete mail aliases in the text, analogous to lisp-complete-symbol. -+++ ** The variable `echo-keystrokes' may now have a floating point value. ---- ** If your init file is compiled (.emacs.elc), `user-init-file' is set to the source name (.emacs.el), if that exists, after loading it. ---- ** The help string specified for a menu-item whose definition contains the property `:help HELP' is now displayed under X, on MS-Windows, and MS-DOS, either in the echo area or with tooltips. Many standard menus @@ -809,17 +717,14 @@ displayed by Emacs now have help strings. ** New user option `read-mail-command' specifies a command to use to read mail from the menu etc. -+++ ** The environment variable `EMACSLOCKDIR' is no longer used on MS-Windows. This environment variable was used when creating lock files. Emacs on MS-Windows does not use this variable anymore. This change was made before Emacs 21.1, but wasn't documented until now. -+++ ** Highlighting of mouse-sensitive regions is now supported in the MS-DOS version of Emacs. -+++ ** The new command `msdos-set-mouse-buttons' forces the MS-DOS version of Emacs to behave as if the mouse had a specified number of buttons. This comes handy with mice that don't report their number of buttons @@ -827,7 +732,6 @@ correctly. One example is the wheeled mice, which report 3 buttons, but clicks on the middle button are not passed to the MS-DOS version of Emacs. -+++ ** Customize changes *** Customize now supports comments about customized items. Use the @@ -848,7 +752,6 @@ file. ** New features in evaluation commands -+++ *** The commands to evaluate Lisp expressions, such as C-M-x in Lisp modes, C-j in Lisp Interaction mode, and M-:, now bind the variables print-level, print-length, and debug-on-error based on the new @@ -867,11 +770,9 @@ printed representation and an unabbreviated one. The default value of eval-expression-debug-on-error is t, so any error during evaluation produces a backtrace. ---- *** The function `eval-defun' (M-C-x) now loads Edebug and instruments code when called with a prefix argument. -+++ ** CC mode changes. Note: This release contains changes that might not be compatible with @@ -1121,44 +1022,36 @@ Provan). ** Dired changes -+++ *** New variable `dired-recursive-deletes' determines if the delete command will delete non-empty directories recursively. The default is, delete only empty directories. -+++ *** New variable `dired-recursive-copies' determines if the copy command will copy directories recursively. The default is, do not copy directories recursively. -+++ *** In command `dired-do-shell-command' (usually bound to `!') a `?' in the shell command has a special meaning similar to `*', but with the difference that the command will be run on each file individually. -+++ *** The new command `dired-find-alternate-file' (usually bound to `a') replaces the Dired buffer with the buffer for an alternate file or directory. ---- *** The new command `dired-show-file-type' (usually bound to `y') shows a message in the echo area describing what type of file the point is on. This command invokes the external program `file' do its work, and so will only work on systems with that program, and will be only as accurate or inaccurate as it is. ---- *** Dired now properly handles undo changes of adding/removing `-R' from ls switches. ---- *** Dired commands that prompt for a destination file now allow the use of the `M-n' command in the minibuffer to insert the source filename, which the user can then edit. This only works if there is a single source file, not when operating on multiple marked files. -+++ ** Gnus changes. The Gnus NEWS entries are short, but they reflect sweeping changes in @@ -1221,7 +1114,6 @@ ever-changing layouts. *** There is image support of various kinds and some sound support. ---- ** Changes in Texinfo mode. *** A couple of new key bindings have been added for inserting Texinfo @@ -1239,7 +1131,6 @@ macros *** The " key now inserts either " or `` or '' depending on context. ---- ** Changes in Outline mode. There is now support for Imenu to index headings. A new command @@ -1248,7 +1139,6 @@ the kill ring, e.g. to produce a table of contents. ** Changes to Emacs Server -+++ *** The new option `server-kill-new-buffers' specifies what to do with buffers when done with them. If non-nil, the default, buffers are killed, unless they were already present before visiting them with @@ -1259,24 +1149,20 @@ Please note that only buffers are killed that still have a client, i.e. buffers visited with `emacsclient --no-wait' are never killed in this way. -+++ ** Both emacsclient and Emacs itself now accept command line options of the form +LINE:COLUMN in addition to +LINE. ---- ** Changes to Show Paren mode. *** Overlays used by Show Paren mode now use a priority property. The new user option show-paren-priority specifies the priority to use. Default is 1000. -+++ ** New command M-x check-parens can be used to find unbalanced paren groups and strings in buffers in Lisp mode (or other modes). ** Changes to hideshow.el ---- *** Generalized block selection and traversal A block is now recognized by its start and end regexps (both strings), @@ -1284,46 +1170,37 @@ and an integer specifying which sub-expression in the start regexp serves as the place where a `forward-sexp'-like function can operate. See the documentation of variable `hs-special-modes-alist'. ---- *** During incremental search, if Hideshow minor mode is active, hidden blocks are temporarily shown. The variable `hs-headline' can be used in the mode line format to show the line at the beginning of the open block. ---- *** User option `hs-hide-all-non-comment-function' specifies a function to be called at each top-level block beginning, instead of the normal block-hiding function. ---- *** The command `hs-show-region' has been removed. -+++ *** The key bindings have changed to fit the Emacs conventions, roughly imitating those of Outline minor mode. Notably, the prefix for all bindings is now `C-c @'. For details, see the documentation for `hs-minor-mode'. ---- *** The variable `hs-show-hidden-short-form' has been removed, and hideshow.el now always behaves as if this variable were set to t. ** Changes to Change Log mode and Add-Log functions -+++ *** If you invoke `add-change-log-entry' from a backup file, it makes an entry appropriate for the file's parent. This is useful for making log entries by comparing a version with deleted functions. -+++ **** New command M-x change-log-merge merges another log into the current buffer. -+++ *** New command M-x change-log-redate fixes any old-style date entries in a log file. -+++ *** Change Log mode now adds a file's version number to change log entries if user-option `change-log-version-info-enabled' is non-nil. Unless the file is under version control the search for a file's @@ -1333,7 +1210,6 @@ Version numbers are only found in the first 10 percent of a file. *** Change Log mode now defines its own faces for font-lock highlighting. ---- ** Changes to cmuscheme *** The user-option `scheme-program-name' has been renamed @@ -1341,25 +1217,20 @@ Version numbers are only found in the first 10 percent of a file. ** Changes in Font Lock -+++ *** The new function `font-lock-remove-keywords' can be used to remove font-lock keywords from the current buffer or from a specific major mode. ---- *** Multi-line patterns are now supported. Modes using this, should set font-lock-multiline to t in their font-lock-defaults. ---- *** `font-lock-syntactic-face-function' allows major-modes to choose the face used for each string/comment. ---- *** A new standard face `font-lock-doc-face'. Meant for Lisp docstrings, Javadoc comments and other "documentation in code". ** Changes to Shell mode -+++ *** The `shell' command now accepts an optional argument to specify the buffer to use, which defaults to "*shell*". When used interactively, a non-default buffer may be specified by giving the `shell' command a @@ -1370,7 +1241,6 @@ prefix argument (causing it to prompt for the buffer name). These changes generally affect all modes derived from comint mode, which include shell-mode, gdb-mode, scheme-interaction-mode, etc. ---- *** Comint now by default interprets some carriage-control characters. Comint now removes CRs from CR LF sequences, and treats single CRs and BSs in the output in a way similar to a terminal (by deleting to the @@ -1378,7 +1248,6 @@ beginning of the line, or deleting the previous character, respectively). This is achieved by adding `comint-carriage-motion' to the `comint-output-filter-functions' hook by default. -+++ *** By default, comint no longer uses the variable `comint-prompt-regexp' to distinguish prompts from user-input. Instead, it notices which parts of the text were output by the process, and which entered by the @@ -1388,11 +1257,9 @@ respect field boundaries in a fairly natural manner. To disable this feature, and use the old behavior, customize the user option `comint-use-prompt-regexp-instead-of-fields'. -+++ *** Comint now includes new features to send commands to running processes and redirect the output to a designated buffer or buffers. ---- *** The command M-x comint-redirect-send-command reads a command and buffer name from the mini-buffer. The command is sent to the current buffer's process, and its output is inserted into the specified buffer. @@ -1401,33 +1268,27 @@ The command M-x comint-redirect-send-command-to-process acts like M-x comint-redirect-send-command but additionally reads the name of the buffer whose process should be used from the mini-buffer. -+++ *** Packages based on comint now highlight user input and program prompts, and support choosing previous input with mouse-2. To control these features, see the user-options `comint-highlight-input' and `comint-highlight-prompt'. -+++ *** The new command `comint-write-output' (usually bound to `C-c C-s') saves the output from the most recent command to a file. With a prefix argument, it appends to the file. -+++ *** The command `comint-kill-output' has been renamed `comint-delete-output' (usually bound to `C-c C-o'); the old name is aliased to it for compatibility. ---- *** The new function `comint-add-to-input-history' adds commands to the input ring (history). ---- *** The new variable `comint-input-history-ignore' is a regexp for identifying history lines that should be ignored, like tcsh time-stamp strings, starting with a `#'. The default value of this variable is "^#". ** Changes to Rmail mode ---- *** The new user-option rmail-user-mail-address-regexp can be set to fine tune the identification of the correspondent when receiving new mail. If it matches the address of the sender, the @@ -1439,40 +1300,32 @@ Usually you don't have to set this variable, except if you collect mails sent by you under different user names. Then it should be a regexp matching your mail addresses. ---- *** The new user-option rmail-confirm-expunge controls whether and how to ask for confirmation before expunging deleted messages from an Rmail file. You can choose between no confirmation, confirmation with y-or-n-p, or confirmation with yes-or-no-p. Default is to ask for confirmation with yes-or-no-p. ---- *** RET is now bound in the Rmail summary to rmail-summary-goto-msg, like `j'. ---- *** There is a new user option `rmail-digest-end-regexps' that specifies the regular expressions to detect the line that ends a digest message. ---- *** The new user option `rmail-automatic-folder-directives' specifies in which folder to put messages automatically. -+++ *** The new function `rmail-redecode-body' allows to fix a message with non-ASCII characters if Emacs happens to decode it incorrectly due to missing or malformed "charset=" header. ---- ** The new user-option `mail-envelope-from' can be used to specify an envelope-from address different from user-mail-address. ---- ** The variable mail-specify-envelope-from controls whether to use the -f option when sending mail. ---- ** Changes to TeX mode *** The default mode has been changed from `plain-tex-mode' to @@ -1530,62 +1383,48 @@ file names. ** Ispell changes -+++ *** The command `ispell' now spell-checks a region if transient-mark-mode is on, and the mark is active. Otherwise it spell-checks the current buffer. -+++ *** Support for synchronous subprocesses - DOS/Windoze - has been added. ---- *** An "alignment error" bug was fixed when a manual spelling correction is made and re-checked. ---- *** An Italian, Portuguese, and Slovak dictionary definition has been added. ---- *** Region skipping performance has been vastly improved in some cases. ---- *** Spell checking HTML buffers has been improved and isn't so strict on syntax errors. ---- *** The buffer-local words are now always placed on a new line at the end of the buffer. ---- *** Spell checking now works in the MS-DOS version of Emacs. ** Makefile mode changes ---- *** The mode now uses the abbrev table `makefile-mode-abbrev-table'. ---- *** Conditionals and include statements are now highlighted when Fontlock mode is active. ** Isearch changes ---- *** Isearch now puts a call to `isearch-resume' in the command history, so that searches can be resumed. ---- *** In Isearch mode, M-C-s and M-C-r are now bound like C-s and C-r, respectively, i.e. you can repeat a regexp isearch with the same keys that started the search. ---- *** In Isearch mode, mouse-2 in the echo area now yanks the current selection into the search string rather than giving an error. -+++ *** There is a new lazy highlighting feature in incremental search. Lazy highlighting is switched on/off by customizing variable @@ -1810,7 +1649,6 @@ Features are: - Picture mode compatibility: Artist is picture mode compatible (this can be turned off). -+++ *** The new package Eshell is an operating system command shell implemented entirely in Emacs Lisp. Use `M-x eshell' to invoke it. It functions similarly to bash and zsh, and allows running of Lisp @@ -1821,13 +1659,11 @@ the basic commands -- ls, rm, mv, cp, ln, du, cat, etc. -- have been rewritten in Lisp, it offers an operating-system independent shell, all within the scope of your Emacs process. -+++ *** The new package timeclock.el is a mode is for keeping track of time intervals. You can use it for whatever purpose you like, but the typical scenario is to keep track of how much time you spend working on certain projects. -+++ *** The new package hi-lock.el provides commands to highlight matches of interactively entered regexps. For example, @@ -1842,38 +1678,31 @@ current buffer in a form that will be recognized the next time the corresponding file is read. There are commands to highlight matches to phrases and to highlight entire lines containing a match. -+++ *** The new package zone.el plays games with Emacs' display when Emacs is idle. -+++ *** The new package tildify.el allows to add hard spaces or other text fragments in accordance with the current major mode. ---- *** The new package xml.el provides a simple but generic XML parser. It doesn't parse the DTDs however. -+++ *** The comment operations are now provided by the newcomment.el package which allows different styles of comment-region and should be more robust while offering the same functionality. `comment-region' now doesn't always comment a-line-at-a-time, but only comments the region, breaking the line at point if necessary. -+++ *** The Ebrowse package implements a C++ class browser and tags facilities tailored for use with C++. It is documented in a separate Texinfo file. -+++ *** The PCL-CVS package available by either running M-x cvs-examine or by visiting a CVS administrative directory (with a prefix argument) provides an alternative interface to VC-dired for CVS. It comes with `log-view-mode' to view RCS and SCCS logs and `log-edit-mode' used to enter check-in log messages. -+++ *** The new package called `woman' allows to browse Unix man pages without invoking external programs. @@ -1886,7 +1715,6 @@ Groff or `troff' commands are not readily available. The command `M-x woman-find-file' asks for the file name of a man page, then formats and displays it like `M-x woman' does. -+++ *** The new command M-x re-builder offers a convenient interface for authoring regular expressions with immediate visual feedback. @@ -1902,12 +1730,10 @@ matching parens to make them stand out. On such a setup you will probably also want to use the sub-expression mode when the regexp contains such to get feedback about their respective limits. -+++ *** glasses-mode is a minor mode that makes unreadableIdentifiersLikeThis readable. It works as glasses, without actually modifying content of a buffer. ---- *** The package ebnf2ps translates an EBNF to a syntactic chart in PostScript. @@ -1940,26 +1766,21 @@ The ad-hoc default EBNF syntax has the following elements: Please, see ebnf2ps documentation for EBNF syntax and how to use it. ---- *** The package align.el will align columns within a region, using M-x align. Its mode-specific rules, based on regular expressions, determine where the columns should be split. In C and C++, for example, it will align variable names in declaration lists, or the equal signs of assignments. -+++ *** `paragraph-indent-minor-mode' is a new minor mode supporting paragraphs in the same style as `paragraph-indent-text-mode'. -+++ *** bs.el is a new package for buffer selection similar to list-buffers or electric-buffer-list. Use M-x bs-show to display a buffer menu with this package. See the Custom group `bs'. ---- *** find-lisp.el is a package emulating the Unix find command in Lisp. ---- *** calculator.el is a small calculator package that is intended to replace desktop calculators such as xcalc and calc.exe. Actually, it is not too small - it has more features than most desktop calculators, @@ -1967,7 +1788,6 @@ and can be customized easily to get many more functions. It should not be confused with "calc" which is a much bigger mathematical tool which answers different needs. -+++ *** The minor modes cwarn-mode and global-cwarn-mode highlights suspicious C and C++ constructions. Currently, assignments inside expressions, semicolon following `if', `for' and `while' (except, of @@ -1975,19 +1795,15 @@ course, after a `do .. while' statement), and C++ functions with reference parameters are recognized. The modes require font-lock mode to be enabled. -+++ *** smerge-mode.el provides `smerge-mode', a simple minor-mode for files containing diff3-style conflict markers, such as generated by RCS. -+++ *** 5x5.el is a simple puzzle game. -+++ *** hl-line.el provides `hl-line-mode', a minor mode to highlight the current line in the current buffer. It also provides `global-hl-line-mode' to provide the same behaviour in all buffers. ---- *** ansi-color.el translates ANSI terminal escapes into text-properties. Please note: if `ansi-color-for-comint-mode' and @@ -1997,25 +1813,19 @@ disable font-lock and add `ansi-color-apply' to displays the output of "ls --color=yes" using the correct foreground and background colors. ---- *** delphi.el provides a major mode for editing the Delphi (Object Pascal) language. -+++ *** quickurl.el provides a simple method of inserting a URL based on the text at point. ---- *** sql.el provides an interface to SQL data bases. -+++ *** fortune.el uses the fortune program to create mail/news signatures. ---- *** whitespace.el is a package for warning about and cleaning bogus whitespace in a file. ---- *** PostScript mode (ps-mode) is a new major mode for editing PostScript files. It offers: interaction with a PostScript interpreter, including (very basic) error handling; fontification, easily customizable for @@ -2024,7 +1834,6 @@ often used code snippets; viewing of BoundingBox; commenting out / uncommenting regions; conversion of 8bit characters to PostScript octal codes. All functionality is accessible through a menu. ---- *** delim-col helps to prettify columns in a text region or rectangle. Here is an example of columns: @@ -2070,7 +1879,6 @@ delim-col has the following commands: delimit-columns-region Prettify all columns in a text region. delimit-columns-rectangle Prettify all columns in a text rectangle. -+++ *** Recentf mode maintains a menu for visiting files that were operated on recently. User option recentf-menu-filter specifies a menu filter function to change the menu appearance. For example, the @@ -2083,60 +1891,47 @@ recent file list can be displayed: The `recentf-filter-changer' menu filter function allows to dynamically change the menu appearance. ---- *** elide-head.el provides a mechanism for eliding boilerplate header text. -+++ *** footnote.el provides `footnote-mode', a minor mode supporting use of footnotes. It is intended for use with Message mode, but isn't specific to Message mode. -+++ *** diff-mode.el provides `diff-mode', a major mode for viewing/editing context diffs (patches). It is selected for files with extension `.diff', `.diffs', `.patch' and `.rej'. ---- *** EUDC, the Emacs Unified Directory Client, provides a common user interface to access directory servers using different directory protocols. It has a separate manual. ---- *** autoconf.el provides a major mode for editing configure.in files for Autoconf, selected automatically. -+++ *** windmove.el provides moving between windows. ---- *** crm.el provides a facility to read multiple strings from the minibuffer with completion. ---- *** todo-mode.el provides management of TODO lists and integration with the diary features. ---- *** autoarg.el provides a feature reported from Twenex Emacs whereby numeric keys supply prefix args rather than self inserting. ---- *** The function `turn-off-auto-fill' unconditionally turns off Auto Fill mode. ---- *** pcomplete.el is a library that provides programmable completion facilities for Emacs, similar to what zsh and tcsh offer. The main difference is that completion functions are written in Lisp, meaning they can be profiled, debugged, etc. ---- *** antlr-mode is a new major mode for editing ANTLR grammar files. It is automatically turned on for files whose names have the extension `.g'. -+++ ** Changes in sort.el The function sort-numeric-fields interprets numbers starting with `0' @@ -2146,33 +1941,26 @@ numeric base. ** Changes to Ange-ftp -+++ *** Ange-ftp allows you to specify of a port number in remote file names cleanly. It is appended to the host name, separated by a hash sign, e.g. `/[email protected]#666:mumble'. (This syntax comes from EFS.) ---- *** If the new user-option `ange-ftp-try-passive-mode' is set, passive ftp mode will be used if the ftp client supports that. ---- *** Ange-ftp handles the output of the w32-style clients which output ^M at the end of lines. -+++ ** The recommended way of using Iswitchb is via the new global minor mode `iswitchb-mode'. -+++ ** Just loading the msb package doesn't switch on Msb mode anymore. If you have `(require 'msb)' in your .emacs, please replace it with `(msb-mode 1)'. ---- ** Flyspell mode has various new options. See the `flyspell' Custom group. ---- ** The user option `backward-delete-char-untabify-method' controls the behavior of `backward-delete-char-untabify'. The following values are recognized: @@ -2186,39 +1974,31 @@ Default value is `untabify'. [This change was made in Emacs 20.3 but not mentioned then.] ---- ** In Cperl mode `cperl-invalid-face' should now be a normal face symbol, not double-quoted. ---- ** Some packages are declared obsolete, to be removed in a future version. They are: auto-show, c-mode, hilit19, hscroll, ooutline, profile, rnews, rnewspost, and sc. Their implementations have been moved to lisp/obsolete. -+++ ** auto-compression mode is no longer enabled just by loading jka-compr.el. To control it, set `auto-compression-mode' via Custom or use the `auto-compression-mode' command. ---- ** `browse-url-gnome-moz' is a new option for `browse-url-browser-function', invoking Mozilla in GNOME, and `browse-url-kde' can be chosen for invoking the KDE browser. ---- ** The user-option `browse-url-new-window-p' has been renamed to `browse-url-new-window-flag'. -+++ ** The functions `keep-lines', `flush-lines' and `how-many' now operate on the active region in Transient Mark mode. -+++ ** `gnus-user-agent' is a new possibility for `mail-user-agent'. It is like `message-user-agent', but with all the Gnus paraphernalia. ---- ** The Strokes package has been updated. If your Emacs has XPM support, you can use it for pictographic editing. In Strokes mode, use C-mouse-2 to compose a complex stoke and insert it into the @@ -2226,24 +2006,20 @@ buffer. You can encode or decode a strokes buffer with new commands M-x strokes-encode-buffer and M-x strokes-decode-buffer. There is a new command M-x strokes-list-strokes. -+++ ** Hexl contains a new command `hexl-insert-hex-string' which inserts a string of hexadecimal numbers read from the mini-buffer. ---- ** Hexl mode allows to insert non-ASCII characters. The non-ASCII characters are encoded using the same encoding as the file you are visiting in Hexl mode. ---- ** Shell script mode changes. Shell script mode (sh-script) can now indent scripts for shells derived from sh and rc. The indentation style is customizable, and sh-script can attempt to "learn" the current buffer's style. ---- ** Etags changes. *** In DOS, etags looks for file.cgz if it cannot find file.c. @@ -2287,7 +2063,6 @@ variables are tagged. *** .ss files are Scheme files, .pdb is Postscript with C syntax, .psw is for PSWrap. -+++ ** Changes in etags.el *** The new user-option tags-case-fold-search can be used to make @@ -2333,35 +2108,28 @@ auto-compression-mode is active. You can tag (with Etags) and search in buffers where no match is found. In buffers where a match is found, the original value of point is pushed on the marker ring. -+++ ** Fortran mode has a new command `fortran-strip-sequence-nos' to remove text past column 72. The syntax class of `\' in Fortran is now appropriate for C-style escape sequences in strings. ** SGML mode's default `sgml-validate-command' is now `nsgmls'. -+++ ** A new command `view-emacs-problems' (C-h P) displays the PROBLEMS file. -+++ ** The Dabbrev package has a new user-option `dabbrev-ignored-regexps' containing a list of regular expressions. Buffers matching a regular expression from that list, are not checked. ---- ** Emacs can now figure out modification times of remote files. When you do C-x C-f /user@host:/path/file RET and edit the file, and someone else modifies the file, you will be prompted to revert the buffer, just like for the local files. ---- ** The buffer menu (C-x C-b) no longer lists the *Buffer List* buffer. -+++ ** When invoked with a prefix argument, the command `list-abbrevs' now displays local abbrevs, only. -+++ ** Refill minor mode provides preliminary support for keeping paragraphs filled as you modify them. @@ -2369,11 +2137,9 @@ paragraphs filled as you modify them. may be moved between clicks that are recognized as a pair. Its value is measured in pixels. -+++ ** The new global minor mode `auto-image-file-mode' allows image files to be visited as images. ---- ** Withdrawn packages *** mldrag.el has been removed. mouse.el provides the same @@ -2462,15 +2228,12 @@ will not have any effect when support for this variable is removed. ** Function assq-delete-all replaces function assoc-delete-all. ---- ** The new function amimate-string, from lisp/play/animate.el allows the animated display of strings. -+++ ** The new function `interactive-form' can be used to obtain the interactive form of a function. -+++ ** The keyword :set-after in defcustom allows to specify dependencies between custom options. Example: @@ -2486,36 +2249,28 @@ This specifies that default-input-method should be set after current-language-environment even if default-input-method appears first in a custom-set-variables statement. -+++ ** The new hook `kbd-macro-termination-hook' is run at the end of function execute-kbd-macro. Functions on this hook are called with no args. The hook is run independent of how the macro was terminated (signal or normal termination). -+++ ** Functions `butlast' and `nbutlast' for removing trailing elements from a list are now available without requiring the CL package. -+++ ** The new user-option `even-window-heights' can be set to nil to prevent `display-buffer' from evening out window heights. -+++ ** The user-option `face-font-registry-alternatives' specifies alternative font registry names to try when looking for a font. -+++ ** Function `md5' calculates the MD5 "message digest"/"checksum". -+++ ** Function `delete-frame' runs `delete-frame-hook' before actually deleting the frame. The hook is called with one arg, the frame being deleted. -+++ ** `add-hook' now makes the hook local if called with a non-nil LOCAL arg. -+++ ** The treatment of non-ASCII characters in search ranges has changed. If a range in a regular expression or the arg of skip-chars-forward/backward starts with a unibyte character C and ends @@ -2523,27 +2278,21 @@ with a multibyte character C2, the range is divided into two: one is C..?\377, the other is C1..C2, where C1 is the first character of C2's charset. -+++ ** The new function `display-message-or-buffer' displays a message in the echo area or pops up a buffer, depending on the length of the message. ---- ** The new macro `with-auto-compression-mode' allows evaluating an expression with auto-compression-mode enabled. -+++ ** In image specifications, `:heuristic-mask' has been replaced with the more general `:mask' property. -+++ ** Image specifications accept more `:conversion's. ---- ** A `?' can be used in a symbol name without escaping it with a backslash. -+++ ** Reading from the mini-buffer now reads from standard input if Emacs is running in batch mode. For example, @@ -2552,16 +2301,13 @@ is running in batch mode. For example, will read a Lisp expression from standard input and print the result to standard output. -+++ ** The argument of `down-list', `backward-up-list', `up-list', `kill-sexp', `backward-kill-sexp' and `mark-sexp' is now optional. -+++ ** If `display-buffer-reuse-frames' is set, function `display-buffer' will raise frames displaying a buffer, instead of creating a new frame or window. -+++ ** Two new functions for removing elements from lists/sequences were added @@ -2575,37 +2321,29 @@ a list, vector, or string. The comparison is done with `equal'. Return a copy of LIST with all occurrences of ELT removed. The comparison is done with `eq'. -+++ ** The function `delete' now also works with vectors and strings. -+++ ** The meaning of the `:weakness WEAK' argument of make-hash-table has been changed: WEAK can now have new values `key-or-value' and `key-and-value', in addtion the `nil', `key', `value', and `t'. -+++ ** Function `aset' stores any multibyte character in any string without signaling "Attempt to change char length of a string". It may convert a unibyte string to multibyte if necessary. -+++ ** The value of the `help-echo' text property is called as a function or evaluated, if it is not a string already, to obtain a help string. ---- ** Function `make-obsolete' now has an optional arg to say when the function was declared obsolete. -+++ ** Function `plist-member' is renamed from `widget-plist-member' (which is retained as an alias). ---- ** Easy-menu's :filter now works as in XEmacs. It takes the unconverted (i.e. XEmacs) form of the menu and the result is automatically converted to Emacs' form. -+++ ** The new function `window-list' has been defined - Function: window-list &optional FRAME WINDOW MINIBUF @@ -2617,7 +2355,6 @@ even if it isn't active. MINIBUF nil or omitted means include the minibuffer window only if it's active. MINIBUF neither nil nor t means never include the minibuffer window. -+++ ** There's a new function `get-window-with-predicate' defined as follows - Function: get-window-with-predicate PREDICATE &optional MINIBUF ALL-FRAMES DEFAULT @@ -2650,61 +2387,48 @@ ALL-FRAMES = t means include windows on all frames including invisible frames. If ALL-FRAMES is a frame, it means include windows on that frame. Anything else means restrict to the selected frame. -+++ ** The function `single-key-description' now encloses function key and event names in angle brackets. When called with a second optional argument non-nil, angle brackets won't be printed. -+++ ** If the variable `message-truncate-lines' is bound to t around a call to `message', the echo area will not be resized to display that message; it will be truncated instead, as it was done in 20.x. Default value is nil. -+++ ** The user option `line-number-display-limit' can now be set to nil, meaning no limit. -+++ ** The new user option `line-number-display-limit-width' controls the maximum width of lines in a buffer for which Emacs displays line numbers in the mode line. The default is 200. -+++ ** `select-safe-coding-system' now also checks the most preferred coding-system if buffer-file-coding-system is `undecided' and DEFAULT-CODING-SYSTEM is not specified, -+++ ** The function `subr-arity' provides information about the argument list of a primitive. -+++ ** `where-is-internal' now also accepts a list of keymaps. -+++ ** The text property `keymap' specifies a key map which overrides the buffer's local map and the map specified by the `local-map' property. This is probably what most current uses of `local-map' want, rather than replacing the local map. ---- ** The obsolete variables `before-change-function' and `after-change-function' are no longer acted upon and have been removed. Use `before-change-functions' and `after-change-functions' instead. -+++ ** The function `apropos-mode' runs the hook `apropos-mode-hook'. -+++ ** `concat' no longer accepts individual integer arguments, as promised long ago. -+++ ** The new function `float-time' returns the current time as a float. -+++ ** The new variable auto-coding-regexp-alist specifies coding systems for reading specific files, analogous to auto-coding-alist, but patterns are checked against file contents instead of file names. @@ -2717,27 +2441,22 @@ Note that +++ before an item means the Lisp manual has been updated. When you add a new item, please add it without either +++ or --- so I will know I still need to look at it -- rms. ---- *** The features `md5' and `overlay' are now provided by default. ---- *** The special form `save-restriction' now works correctly even if the buffer is widened inside the save-restriction and changes made outside the original restriction. Previously, doing this would cause the saved restriction to be restored incorrectly. ---- *** The functions `find-charset-region' and `find-charset-string' include `eight-bit-control' and/or `eight-bit-graphic' in the returned list when they find 8-bit characters. Previously, they included `ascii' in a multibyte buffer and `unknown' in a unibyte buffer. ---- *** The functions `set-buffer-modified', `string-as-multibyte' and `string-as-unibyte' change the byte sequence of a buffer or a string if it contains a character from the `eight-bit-control' character set. ---- *** The handling of multibyte sequences in a multibyte buffer is changed. Previously, a byte sequence matching the pattern [\200-\237][\240-\377]+ was interpreted as a single character @@ -2747,7 +2466,6 @@ extra trailing bytes were ignored by Lisp functions. Now such extra bytes are independent 8-bit characters belonging to the charset eight-bit-graphic. ---- ** Fontsets are now implemented using char-tables. A fontset can now be specified for each independent character, for @@ -2809,11 +2527,9 @@ a composition at a specified position in a buffer or a string. *** The function `decompose-composite-char' is now labeled as obsolete. ---- ** The new coding system `mac-roman' is primarily intended for use on the Macintosh but may be used generally for Macintosh-encoded text. ---- ** The new character sets `mule-unicode-0100-24ff', `mule-unicode-2500-33ff', and `mule-unicode-e000-ffff' have been introduced for Unicode characters in the range U+0100..U+24FF, @@ -2826,21 +2542,17 @@ different characters, as far as Emacs is concerned. For example, text which includes Unicode characters from the Latin-2 locale cannot be encoded by Emacs with ISO 8859-2 coding system. ---- ** The new coding system `mule-utf-8' has been added. It provides limited support for decoding/encoding UTF-8 text. For details, please see the documentation string of this coding system. ---- ** The new character sets `japanese-jisx0213-1' and `japanese-jisx0213-2' have been introduced for the new Japanese standard JIS X 0213 Plane 1 and Plane 2. -+++ ** The new character sets `latin-iso8859-14' and `latin-iso8859-15' have been introduced. -+++ ** The new character sets `eight-bit-control' and `eight-bit-graphic' have been introduced for 8-bit characters in the ranges 0x80..0x9F and 0xA0..0xFF respectively. Note that the multibyte representation of @@ -2851,27 +2563,22 @@ eight-bit-graphic characters in a multibyte buffer, the search string must be multibyte, otherwise such characters will be converted to their multibyte equivalent. -+++ ** If the APPEND argument of `write-region' is an integer, it seeks to that offset in the file before writing. ---- ** The function `add-minor-mode' has been added for convenience and compatibility with XEmacs (and is used internally by define-minor-mode). ---- ** The function `shell-command' now sets the default directory of the `*Shell Command Output*' buffer to the default directory of the buffer from which the command was issued. ---- ** The functions `query-replace', `query-replace-regexp', `query-replace-regexp-eval' `map-query-replace-regexp', `replace-string', `replace-regexp', and `perform-replace' take two additional optional arguments START and END that specify the region to operate on. ---- ** The new function `count-screen-lines' is a more flexible alternative to `window-buffer-height'. @@ -2896,26 +2603,21 @@ buffer, regardless of which buffer is displayed in WINDOW. This makes possible to use `count-screen-lines' in any buffer, whether or not it is currently displayed in some window. -+++ ** The new function `mapc' is like `mapcar' but doesn't collect the argument function's results. -+++ ** The functions base64-decode-region and base64-decode-string now signal an error instead of returning nil if decoding fails. Also, `base64-decode-string' now always returns a unibyte string (in Emacs 20, it returned a multibyte string when the result was a valid multibyte sequence). ---- ** The function sendmail-user-agent-compose now recognizes a `body' header in the list of headers passed to it. -+++ ** The new function member-ignore-case works like `member', but ignores differences in case and text representation. -+++ ** The buffer-local variable cursor-type can be used to specify the cursor to use in windows displaying a buffer. Values are interpreted as follows: @@ -2926,13 +2628,11 @@ as follows: (bar . WIDTH) display a bar cursor with width WIDTH others display a box cursor. -+++ ** The variable open-paren-in-column-0-is-defun-start controls whether an open parenthesis in column 0 is considered to be the start of a defun. If set, the default, it is considered a defun start. If not set, an open parenthesis in column 0 has no special meaning. -+++ ** The new function `string-to-syntax' can be used to translate syntax specifications in string form as accepted by `modify-syntax-entry' to the cons-cell form that is used for the values of the `syntax-table' @@ -2943,7 +2643,6 @@ Example: (string-to-syntax "()") => (4 . 41) -+++ ** Emacs' reader supports CL read syntax for integers in bases other than 10. @@ -2972,55 +2671,44 @@ INTEGER optionally contains a sign. #25rah => 267 -+++ ** The function `documentation-property' now evaluates the value of the given property to obtain a string if it doesn't refer to etc/DOC and isn't a string. -+++ ** If called for a symbol, the function `documentation' now looks for a `function-documentation' property of that symbol. If it has a non-nil value, the documentation is taken from that value. If the value is not a string, it is evaluated to obtain a string. -+++ ** The last argument of `define-key-after' defaults to t for convenience. ** The new function `replace-regexp-in-string' replaces all matches for a regexp in a string. -+++ ** `mouse-position' now runs the abnormal hook `mouse-position-function'. -+++ ** The function string-to-number now returns a float for numbers that don't fit into a Lisp integer. -+++ ** The variable keyword-symbols-constants-flag has been removed. Keywords are now always considered constants. -+++ ** The new function `delete-and-extract-region' deletes text and returns it. -+++ ** The function `clear-this-command-keys' now also clears the vector returned by function `recent-keys'. -+++ ** Variables `beginning-of-defun-function' and `end-of-defun-function' can be used to define handlers for the functions that find defuns. Major modes can define these locally instead of rebinding M-C-a etc. if the normal conventions for defuns are not appropriate for the mode. -+++ ** easy-mmode-define-minor-mode now takes an additional BODY argument and is renamed `define-minor-mode'. -+++ ** If an abbrev has a hook function which is a symbol, and that symbol has a non-nil `no-self-insert' property, the return value of the hook function specifies whether an expansion has been done or not. If it @@ -3032,12 +2720,10 @@ and the abbrev has a hook with the `no-self-insert' property, and the hook function returns non-nil meaning expansion has been done, then the self-inserting character is not inserted. -+++ ** The function `intern-soft' now accepts a symbol as first argument. In this case, that exact symbol is looked up in the specified obarray, and the function's value is nil if it is not found. -+++ ** The new macro `with-syntax-table' can be used to evaluate forms with the syntax table of the current buffer temporarily set to a specified table. @@ -3049,28 +2735,23 @@ TABLE. The current syntax table is saved, BODY is evaluated, and the saved table is restored, even in case of an abnormal exit. Value is what BODY returns. -+++ ** Regular expressions now support intervals \{n,m\} as well as Perl's shy-groups \(?:...\) and non-greedy *? +? and ?? operators. Also back-references like \2 are now considered as an error if the corresponding subgroup does not exist (or is not closed yet). Previously it would have been silently turned into `2' (ignoring the `\'). -+++ ** The optional argument BUFFER of function file-local-copy has been removed since it wasn't used by anything. -+++ ** The file name argument of function `file-locked-p' is now required instead of being optional. -+++ ** The new built-in error `text-read-only' is signaled when trying to modify read-only text. ** New functions and variables for locales. -+++ The new variable `locale-coding-system' specifies how to encode and decode strings passed to low-level message functions like strerror and time functions like strftime. The new variables @@ -3085,17 +2766,14 @@ not be invoked thereafter. It uses the new variables `locale-language-names', `locale-charset-language-names', and `locale-preferred-coding-systems' to make its decisions. -+++ ** syntax tables now understand nested comments. To declare a comment syntax as allowing nesting, just add an `n' modifier to either of the characters of the comment end and the comment start sequences. -+++ ** The function `pixmap-spec-p' has been renamed `bitmap-spec-p' because `bitmap' is more in line with the usual X terminology. -+++ ** New function `propertize' The new function `propertize' can be used to conveniently construct @@ -3110,7 +2788,6 @@ specified value of that property. Example: (propertize "foo" 'face 'bold 'read-only t) -+++ ** push and pop macros. Simple versions of the push and pop macros of Common Lisp @@ -3121,7 +2798,6 @@ as the place that holds the list to be changed. (pop LISTNAME) return first elt of LISTNAME, and remove it (thus altering the value of LISTNAME). ---- ** New dolist and dotimes macros. Simple versions of the dolist and dotimes macros of Common Lisp @@ -3137,7 +2813,6 @@ are now defined in Emacs Lisp. inclusive, to COUNT, exclusive. Then return the value of RESULT, or nil if RESULT is omitted. -+++ ** Regular expressions now support Posix character classes such as [:alpha:], [:space:] and so on. These must be used within a character class--for instance, [-[:digit:].+] matches digits or a period @@ -3167,7 +2842,6 @@ or a sign. [:upper:] matches anything upper-case. [:word:] matches anything that has word syntax. -+++ ** Emacs now has built-in hash tables. The following functions are defined for hash tables: @@ -3302,26 +2976,22 @@ be strings that are compared case-insensitively. (make-hash-table :test 'case-fold) -+++ ** The Lisp reader handles circular structure. It now works to use the #N= and #N# constructs to represent circular structures. For example, #1=(a . #1#) represents a cons cell which is its own cdr. -+++ ** The Lisp printer handles circular structure. If you bind print-circle to a non-nil value, the Lisp printer outputs #N= and #N# constructs to represent circular and shared structure. -+++ ** If the second argument to `move-to-column' is anything but nil or t, that means replace a tab with spaces if necessary to reach the specified column, but do not add spaces at the end of the line if it is too short to reach that column. -+++ ** perform-replace has a new feature: the REPLACEMENTS argument may now be a cons cell (FUNCTION . DATA). This means to call FUNCTION after each match to get the replacement text. FUNCTION is called with @@ -3331,39 +3001,32 @@ If the FROM-STRING contains any upper-case letters, perform-replace also turns off `case-fold-search' temporarily and inserts the replacement text without altering case in it. -+++ ** The function buffer-size now accepts an optional argument to specify which buffer to return the size of. -+++ ** The calendar motion commands now run the normal hook calendar-move-hook after moving point. -+++ ** The new variable small-temporary-file-directory specifies a directory to use for creating temporary files that are likely to be small. (Certain Emacs features use this directory.) If small-temporary-file-directory is nil, they use temporary-file-directory instead. -+++ ** The variable `inhibit-modification-hooks', if non-nil, inhibits all the hooks that track changes in the buffer. This affects `before-change-functions' and `after-change-functions', as well as hooks attached to text properties and overlay properties. -+++ ** assq-delete-all is a new function that deletes all the elements of an alist which have a car `eq' to a particular value. -+++ ** make-temp-file provides a more reliable way to create a temporary file. make-temp-file is used like make-temp-name, except that it actually creates the file before it returns. This prevents a timing error, ensuring that no other job can use the same name for a temporary file. -+++ ** New exclusive-open feature in `write-region' The optional seventh arg is now called MUSTBENEW. If non-nil, it insists @@ -3378,7 +3041,6 @@ that means to use a special feature in the `open' system call to get an error if the file exists at that time. The error reported is `file-already-exists'. -+++ ** Function `format' now handles text properties. Text properties of the format string are applied to the result string. @@ -3399,7 +3061,6 @@ Example: results in a bold-face string with an italic `world' at the end. -+++ ** Messages can now be displayed with text properties. Text properties are handled as described above for function `format'. @@ -3412,7 +3073,6 @@ argument in it. (put-text-property 0 (length arg) 'face 'italic arg) (message msg arg)) -+++ ** Sound support Emacs supports playing sound files on GNU/Linux and the free BSDs @@ -3455,14 +3115,11 @@ Other properties are ignored. An alternative interface is called as (play-sound-file FILE &optional VOLUME DEVICE). ---- ** `multimedia' is a new Finder keyword and Custom group. -+++ ** keywordp is a new predicate to test efficiently for an object being a keyword symbol. -+++ ** Changes to garbage collection *** The function garbage-collect now additionally returns the number @@ -3475,22 +3132,17 @@ strings that have been consed so far. * Lisp-level Display features added after release 2.6 of the Emacs Lisp Manual -+++ ** The user-option `resize-mini-windows' controls how Emacs resizes mini-windows. -+++ ** The function `pos-visible-in-window-p' now has a third optional argument, PARTIALLY. If a character is only partially visible, nil is returned, unless PARTIALLY is non-nil. -+++ ** On window systems, `glyph-table' is no longer used. -+++ ** Help strings in menu items are now used to provide `help-echo' text. -+++ ** The function `image-size' can be used to determine the size of an image. @@ -3504,7 +3156,6 @@ character units (fractions of the width/height of the frame's default font). FRAME is the frame on which the image will be displayed. FRAME nil or omitted means use the selected frame. -+++ ** The function `image-mask-p' can be used to determine if an image has a mask bitmap. @@ -3514,15 +3165,12 @@ Return t if image SPEC has a mask bitmap. FRAME is the frame on which the image will be displayed. FRAME nil or omitted means use the selected frame. -+++ ** The function `find-image' can be used to find a usable image satisfying one of a list of specifications. -+++ ** The STRING argument of `put-image' and `insert-image' is now optional. -+++ ** Image specifications may contain the property `:ascent center' (see below). @@ -3534,7 +3182,6 @@ Note that +++ before an item means the Lisp manual has been updated. When you add a new item, please add it without either +++ or --- so I will know I still need to look at it -- rms. ---- ** The function tty-suppress-bold-inverse-default-colors can be used to make Emacs avoid displaying text with bold black foreground on TTYs. @@ -3557,7 +3204,6 @@ in your `.emacs'. Emacs faces have been reimplemented from scratch. They don't use XLFD font names anymore and face merging now works as expected. -+++ *** New faces. Each face can specify the following display attributes: @@ -3606,7 +3252,6 @@ A face doesn't have to specify all attributes. Those not specified have a nil value. Faces specifying all attributes are called `fully-specified'. -+++ *** Face merging. The display style of a given character in the text is determined by @@ -3616,7 +3261,6 @@ properties is taken from the `default' face. Since it is made sure that the default face is always fully-specified, face merging always results in a fully-specified face. -+++ *** Face realization. After all face attributes for a character have been determined by @@ -3649,14 +3293,12 @@ Currently all unibyte text, i.e. all buffers with registry and encoding `face-default-registry'. This is consistent with the fact that languages can also be set globally, only. -+++ **** Clearing face caches. The Lisp function `clear-face-cache' can be called to clear face caches on all frames. If called with a non-nil argument, it will also unload unused fonts. -+++ *** Font selection. Font selection tries to find the best available matching font for a @@ -3697,7 +3339,6 @@ slightly different. Setting face-ignored-fonts allows the user to ignore specific fonts. -+++ **** Scalable fonts Emacs can make use of scalable fonts but doesn't do so by default, @@ -3715,7 +3356,6 @@ that list. Example: allows the use of scalable fonts with registry `muleindian-2'. -+++ *** Functions and variables related to font selection. - Function: x-family-fonts &optional FAMILY FRAME @@ -3748,7 +3388,6 @@ Limit for font matching. If an integer > 0, font matching functions won't load more than that number of fonts when searching for a matching font. The default is currently 100. -+++ *** Setting face attributes. For the most part, the new face implementation is interface-compatible @@ -3875,7 +3514,6 @@ VALUE is the name of a face from which to inherit attributes, or a list of face names. Attributes from inherited faces are merged into the face like an underlying face would be, with higher priority than underlying faces. -+++ *** Face attributes and X resources The following X resource names can be used to set face attributes @@ -3903,7 +3541,6 @@ from X resources: :italic attributeItalic . Face.AttributeItalic :font attributeFont Face.AttributeFont -+++ *** Text property `face'. The value of the `face' text property can now be a single face @@ -3921,7 +3558,6 @@ specification can be (BACKGROUND-COLOR . COLOR) where COLOR is a color name. This is for compatibility with previous Emacs versions. -+++ ** Support functions for colors on text-only terminals. The function `tty-color-define' can be used to define colors for use @@ -3947,7 +3583,6 @@ modify their color-related behavior. The primitives `color-gray-p' and `color-supported-p' also work for any frame type. -+++ ** Platform-independent functions to describe display capabilities. The new functions `display-mouse-p', `display-popup-menus-p', @@ -3963,7 +3598,6 @@ platform-specific functions such as `x-display-pixel-width'. The new function `display-images-p' returns non-nil if a particular display can display image files. -+++ ** The minibuffer prompt is now actually inserted in the minibuffer. This makes it possible to scroll through the prompt, if you want to. @@ -3975,7 +3609,6 @@ The function minibuffer-prompt-end returns the current position of the end of the minibuffer prompt, if the minibuffer is current. Otherwise, it returns zero. -+++ ** New `field' abstraction in buffers. There is now code to support an abstraction called `fields' in emacs @@ -4060,7 +3693,6 @@ Return the contents of the field around POS, without text-properties. A field is a region of text with the same `field' property. If POS is nil, the value of point is used for POS. -+++ ** Image support. Emacs can now display images. Images are inserted into text by giving @@ -4356,7 +3988,6 @@ define an image based on available image types. The functions `put-image' and `insert-image' can be used to insert an image into a buffer. -+++ ** Display margins. Windows can now have margins which are used for special text @@ -4376,7 +4007,6 @@ one of `left-margin' or `right-margin' or nil. VALUE can be either a string, an image specification or a stretch specification (see later in this file). -+++ ** Help display Emacs displays short help messages in the echo area, when the mouse @@ -4411,7 +4041,6 @@ The hook `show-help-function' can be set to a function that displays the help string differently. For example, enabling a tooltip window causes the help display to appear there instead of in the echo area. -+++ ** Vertical fractional scrolling. The display of text in windows can be scrolled smoothly in pixels. @@ -4434,7 +4063,6 @@ used. (set-window-vscroll (selected-window) (- (window-vscroll) 0.5))))) -+++ ** New hook `fontification-functions'. Functions from `fontification-functions' are called from redisplay @@ -4448,7 +4076,6 @@ as fontified by giving them a non-nil value of the `fontified' text property. It may be reasonable for these functions to check for the `fontified' property and not put it back on, but they do not have to. -+++ ** Tool bar support. Emacs supports a tool bar at the top of a frame under X. The frame @@ -4559,7 +4186,6 @@ item. ** Mode line changes. -+++ *** Mouse-sensitive mode line. The mode line can be made mouse-sensitive by displaying strings there @@ -4580,15 +4206,12 @@ The same mechanism is used to determine the `face' and `help-echo' properties of strings in the mode line. See `bindings.el' for an example. -+++ *** If a mode line element has the form `(:eval FORM)', FORM is evaluated and the result is used as mode line element. -+++ *** You can suppress mode-line display by setting the buffer-local variable mode-line-format to nil. -+++ *** A headerline can now be displayed at the top of a window. This mode line's contents are controlled by the new variable @@ -4603,7 +4226,6 @@ The appearance of top mode lines is controlled by the face The function `coordinates-in-window-p' returns `header-line' for a position in the header-line. -+++ ** Text property `display' The `display' text property is used to insert images into text, @@ -4739,7 +4361,6 @@ different when object is a string. The normal specification consisting of SPEC only is equivalent to `(when t . SPEC)'. -+++ ** New menu separator types. Emacs now supports more than one menu separator type. Menu items with @@ -4804,7 +4425,6 @@ Two dashed lines with 3D raised appearance. Under LessTif/Motif, the last four separator types are displayed like the corresponding single-line separators. -+++ ** New frame parameters for scroll bar colors. The new frame parameters `scroll-bar-foreground' and @@ -4822,23 +4442,19 @@ The X resource name of these parameters are `scrollBarForeground' Setting these parameters overrides toolkit specific X resource settings for scroll bar colors. -+++ ** You can set `redisplay-dont-pause' to a non-nil value to prevent display updates from being interrupted when input is pending. ---- ** Changing a window's width may now change its window start if it starts on a continuation line. The new window start is computed based on the window's new width, starting from the start of the continued line as the start of the screen line with the minimum distance from the original window start. ---- ** The variable `hscroll-step' and the functions `hscroll-point-visible' and `hscroll-window-column' have been removed now that proper horizontal scrolling is implemented. -+++ ** Windows can now be made fixed-width and/or fixed-height. A window is fixed-size if its buffer has a buffer-local variable |