GNU Emacs NEWS -- history of user-visible changes.
-Copyright (C) 2007, 2008, 2009, 2010 Free Software Foundation, Inc.
+Copyright (C) 2007-2011 Free Software Foundation, Inc.
See the end of the file for license conditions.
Please send Emacs bug reports to bug-gnu-emacs@gnu.org.
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.
+\f
+* Installation Changes in Emacs 23.4
+
+** The MS-Windows build prefers libpng version 1.14 or later.
+Versions of libpng before 1.14 had security issues, so we now
+recommend to use version 1.14 or later. Precompiled Windows binaries
+require version 1.14 or later. See README.W32 and nt/INSTALL for
+details and pointers to URLs where the latest libpng can be
+downloaded.
+
+\f
+* Changes in Emacs 23.4 on non-free operating systems
+
+** The MS-Windows port can now use more than 500MB of heap.
+Depending on the available virtual memory, Emacs on Windows can now
+have up to 2GB of heap space. This allows, e.g., to visit several
+large (> 256MB) files in the same session.
+
\f
* Installation Changes in Emacs 23.3
-* Startup Changes in Emacs 23.3
+** New configure option --with-crt-dir specifies the location of your
+crt*.o files, if they are in a non-standard location. This is only
+used on x86-64 and s390x GNU/Linux architectures.
* Changes in Emacs 23.3
-\f
-* Editing Changes in Emacs 23.3
+** The last-resort backup file `%backup%~' is now written to
+`user-emacs-directory', instead of the user's home directory.
+
+** If Emacs creates `user-emacs-directory', that directory's
+permissions are now set to rwx------, ignoring the umask.
\f
* Changes in Specialized Modes and Packages in Emacs 23.3
----
-** The appt-add command takes an optional argument for the warning time.
+** Calendar and diary
+
+*** The appt-add command takes an optional argument, the warning time.
This can be used in place of the default appt-message-warning-time.
----
-** You can allow inferior Python processes to load modules from the
+** Python mode
+
+*** You can allow inferior Python processes to load modules from the
current directory by setting `python-remove-cwd-from-path' to nil.
+** Rmail
+
+*** The default value of `rmail-enable-mime' is now t. Rmail decodes
+MIME contents automatically. You can customize the variable
+`rmail-enable-mime' back to `nil' to disable this automatic MIME
+decoding.
+
+*** The command `rmail-mime' change the displaying of a MIME message
+between decoded presentation form and raw data if `rmail-enable-mime'
+is non-nil. And, with prefix argument, it change only the displaying
+of the MIME entity at point.
+
+*** The new command `rmail-mime-next-item' (bound to TAB) moves point
+to the next item of MIME message.
+
+*** The new command `rmail-mime-previous-item' (bound to backtab) moves
+point to the previous item of MIME message.
+
+*** The new command `rmail-mime-toggle-hidden' (RET) hide or show the
+body of the MIME entity at point.
+
** VC and related modes
*** New VC command `vc-log-incoming', bound to `C-x v I'.
*** New VC command vc-find-conflicted-file.
-+++
*** The 'g' key in VC diff, log, log-incoming and log-outgoing buffers
reruns the corresponding VC command to compute an up to date version
of the buffer.
*** vc-dir for Bzr supports viewing shelve contents and shelving snapshots.
-+++
*** Special markup can be added to log-edit buffers.
You can add headers specifying additional information to be supplied
to the version control system. For example:
** Obsolete packages
-+++
*** lmenu.el and cl-compat.el are now obsolete.
\f
\f
* Lisp changes in Emacs 23.3
-+++
** `e' and `pi' are now called `float-e' and `float-pi'.
The old names are obsolete.
-+++
** The use of unintern without an obarray arg is now obsolete.
----
** The function `princ-list' is now obsolete.
-+++
** The yank-handler argument to kill-region and friends is now obsolete.
-+++
** New function byte-to-string, like char-to-string but for bytes.
\f
* Changes in Emacs 23.3 on non-free operating systems
-+++
-** The nextstep port can have different modifiers for the left and right
+** The NeXTstep port can have different modifiers for the left and right
alt/option key by customizing the value for ns-right-alternate-modifier.
\f
*** Emacs now supports multi-page TIFF images.
-** New NeXTSTEP-based port.
+** New NeXTstep-based port.
This provides support for GNUstep (via the GNUstep libraries) and Mac
OS X (via the Cocoa libraries).
nextstep/README and nextstep/INSTALL in the Emacs source directory.
** Mac OS X is no longer supported via Carbon.
-Use the NeXTSTEP port, described above.
+Use the NeXTstep port, described above.
** The new configuration option "--with-dbus" enables D-Bus language
bindings for Emacs.
matches a regexp.
*** The value of comment-style now defaults to `indent'.
-Thefore, comment-start markers are inserted at the current indentation
+Therefore, comment-start markers are inserted at the current indentation
of the region to comment, rather than the leftmost column.
*** The new commands `pp-macroexpand-expression' and
PDF and DVI files are now opened in Doc View mode by default.
-In Postcript mode, C-c C-c launches Doc View minor mode for viewing
-the postscript file.
+In PostScript mode, C-c C-c launches Doc View minor mode for viewing
+the PostScript file.
** EasyPG provides an interface to the GNU Privacy Guard (GnuPG).
It includes a GnuPG keyring browser, cryptographic operations on
*** hide-ifdef-mode allows shadowing ifdef-blocks instead of hiding them.
See option `hide-ifdef-shadow' and function `hide-ifdef-toggle-shadowing'.
-*** `icomplete-prospects-height' now supercedes `icomplete-prospects-length'.
+*** `icomplete-prospects-height' now supersedes `icomplete-prospects-length'.
*** Info displays breadcrumbs in the header of the page.
See Info-breadcrumbs-depth to control it.
*** New keymap `search-map' bound to `M-s' provides global bindings
for search related commands.
-*** New keymap `multi-query-replace-map' contains additonal keys bound
+*** New keymap `multi-query-replace-map' contains additional keys bound
to `automatic-all' and `exit-current' for multi-buffer interactive replacement.
*** The variable `inhibit-changing-match-data', if non-nil, prevents
mode: outline
paragraph-separate: "[ \f]*$"
end:
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-arch-tag: e759449d-88b3-4de4-9900-3a6c3dfa23e2