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GNU Emacs NEWS -- history of user-visible changes.
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Copyright (C) 2007 Free Software Foundation, Inc.
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See the end of the file for license conditions.
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Please send Emacs bug reports to emacs-pretest-bug@gnu.org.
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If possible, use M-x report-emacs-bug.

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This file is about changes in Emacs version 23.
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See files NEWS.22, NEWS.21, NEWS.20, NEWS.19, NEWS.18, and NEWS.1-17
for changes in older Emacs versions.
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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.
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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.

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* About external Lisp packages

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* Installation Changes in Emacs 23.1
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** The default X toolkit is now Gtk+, rather than Lucid.

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** configure now checks for libgif before libungif when searching for
a GIF library.
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* Changes in Emacs 23.1

** 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.

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** 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.

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* Startup Changes in Emacs 23.1
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* Incompatible Editing Changes in Emacs 23.1
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* Editing Changes in Emacs 23.1
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** New command kill-matching-buffers kills buffers whose name matches a regexp.

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* New Modes and Packages in Emacs 23.1
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** css-mode to edit Cascading Style Sheets.

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** bibtex-style-mode helps you write BibTeX's *.bst files.
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** vera-mode to edit Vera files.

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** socks.el (which had been part of W3) is now part of Emacs.

** minibuffer-indicate-depth-mode shows the minibuffer depth in the prompt.
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* Changes in Specialized Modes and Packages in Emacs 23.1
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** 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.

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** VC
*** VC backends can provide completion of revision names.
*** VC has some support for Bazaar (bzr).
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*** VC has some support for Mercurial (hg).
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** sgml-electric-tag-pair-mode lets you simultaneously edit matched tag pairs.

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** 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.

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* Changes in Emacs 23.1 on non-free operating systems
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* Incompatible Lisp Changes in Emacs 23.1
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* Lisp Changes in Emacs 23.1
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** The regexp form \(?<num>:<regexp>\) specifies the group number explicitly.

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** New variable `user-emacs-directory'.
Use this instead of "~/.emacs.d".

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** The new function `image-refresh' refreshes all images associated
with a given image specification.

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* New Packages for Lisp Programming in Emacs 23.1
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----------------------------------------------------------------------
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This file is part of GNU Emacs.
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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.
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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.
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137

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Local variables:
mode: outline
paragraph-separate: "[ 	]*$"
end:
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