GNU Emacs NEWS -- history of user-visible changes. Copyright (C) 2007 Free Software Foundation, Inc. See the end of the file for license conditions. Please send Emacs bug reports to emacs-pretest-bug@gnu.org. If possible, use M-x report-emacs-bug. This file is about changes in Emacs version 23. See files NEWS.22, NEWS.21, NEWS.20, NEWS.19, NEWS.18, and NEWS.1-17 for changes in older Emacs versions. You can narrow news to a specific version by calling `view-emacs-news' with a prefix argument or by typing C-u C-h C-n. Temporary note: +++ indicates that the appropriate manual has already been updated. --- means no change in the manuals is called for. When you add a new item, please add it without either +++ or --- so we will look at it and add it to the manual. * About external Lisp packages * Installation Changes in Emacs 23.1 ** The default X toolkit is now Gtk+, rather than Lucid. ** configure now checks for libgif before libungif when searching for a GIF library. * Changes in Emacs 23.1 ** If you set find-file-confirm-nonexistent-file to t, then C-x C-f requires confirmation before opening a non-existent file. ** If the gpm mouse server is running and t-mouse-mode enabled, Emacs uses a Unix socket in a GNU/Linux console to talk to server, rather than faking events using the client program mev. This C level approach provides mouse highlighting, and help echoing in the minibuffer. ** The new variable next-error-recenter specifies how next-error should recenter the visited source file. Its value can be a number (for example, 0 for top line, -1 for bottom line), or nil for no recentering. * Startup Changes in Emacs 23.1 * Incompatible Editing Changes in Emacs 23.1 * Editing Changes in Emacs 23.1 ** New command kill-matching-buffers kills buffers whose name matches a regexp. ** Bookmark commands live under prefix C-x p now, instead of C-x r. Some of the individual bindings have changed; do C-x p C-h for details. * New Modes and Packages in Emacs 23.1 ** css-mode to edit Cascading Style Sheets. ** bibtex-style-mode helps you write BibTeX's *.bst files. ** vera-mode to edit Vera files. ** socks.el (which had been part of W3) is now part of Emacs. ** minibuffer-indicate-depth-mode shows the minibuffer depth in the prompt. * Changes in Specialized Modes and Packages in Emacs 23.1 ** compilation-auto-jump-to-first-error tells `compile' to jump to the first error encountered during compilations. ** In the `copyright' package, you can specify your copyright holders's names. Only copyright lines with holders matching copyright-names-regexp will be considered for update. ** VC *** VC backends can provide completion of revision names. *** VC has some support for Bazaar (bzr). *** VC has some support for Mercurial (hg). ** sgml-electric-tag-pair-mode lets you simultaneously edit matched tag pairs. ** BibTeX mode: *** New `bibtex-entry-format' options `whitespace', `braces', and `string', disabled by default. *** New variable `bibtex-cite-matcher-alist' contains rules to identify cited keys in BibTeX entries, used by `bibtex-find-crossref. *** Command `bibtex-url' now allows multiple URLs per entry. +++ ** Tramp *** New connection methods. The new methods "plinkx", "plink2", "psftp", "sftp" and "fish" have been introduced. There are also new so-called gateway methods "tunnel" and "socks". *** Multihop syntax has been removed. The pseudo-method "multi" has been removed. Instead of, multi hops can be specified by the new variable `tramp-default-proxies-alist'. *** More default settings. Default values can be set via the variables `tramp-default-user', `tramp-default-user-alist' and `tramp-default-host'. *** Connection information is cached. In order to reduce connection setup, information about used connections are kept persistent in a file. The name of this file is defined in the variable `tramp-persistency-file-name'. *** Control of remote processes. Running processes on a remote host can be controlled by settings in `tramp-remote-path' and `tramp-remote-process-environment'. *** Success of remote copy is checked. When the variable `file-precious-flag' is set, the success of a remote file copy is checked via the file's checksum. ** comint-mode uses `start-file-process' now (see Lisp Changes). If `default-directory' is a remote file name, subprocesses are started on the corresponding remote system. * Changes in Emacs 23.1 on non-free operating systems * Incompatible Lisp Changes in Emacs 23.1 +++ ** The function `dired-call-process' has been removed. * Lisp Changes in Emacs 23.1 +++ ** In `condition-case', a handler can specify "let the debugger run first". You do this by writing `debug' in the list of conditions to be handled, like this: (condition-case nil (foo bar) ((debug error) nil)) ** The `require-match' argument to `completing-read' accepts a new value `confirm-only'. +++ ** The regexp form \(?:\) specifies the group number explicitly. +++ ** New variable `user-emacs-directory'. Use this instead of "~/.emacs.d". +++ ** The new function `image-refresh' refreshes all images associated with a given image specification. +++ ** The new function `start-file-process is similar to `start-process', but obeys file handlers. The file handler is chosen based on `default-directory'. +++ ** `file-remote-p' has a new optional parameter CONNECTED. With this paramter passed non-nil, it is checked whether a remote connection has been established already. ** The two new functions `looking-at-p' and `string-match-p' can do the same matching as `looking-at' and `string-match' without changing the match data. * New Packages for Lisp Programming in Emacs 23.1 ---------------------------------------------------------------------- This file is part of GNU Emacs. GNU Emacs is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2, or (at your option) any later version. GNU Emacs is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with GNU Emacs; see the file COPYING. If not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. Local variables: mode: outline paragraph-separate: "[ ]*$" end: arch-tag: e759449d-88b3-4de4-9900-3a6c3dfa23e2