(Status of Emacs): Re-order with most recent releases first.
(New in Emacs 23): New section. (Handling C-s and C-q with flow control): Add xref.
This commit is contained in:
Glenn Morris
@@ -1,3 +1,9 @@
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2009-06-14 Glenn Morris <rgm@gnu.org>
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* faq.texi (Status of Emacs): Re-order with most recent releases first.
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(New in Emacs 23): New section.
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(Handling C-s and C-q with flow control): Add xref.
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2009-06-13 Glenn Morris <rgm@gnu.org>
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* faq.texi (Setting up a customization file): Grammar fix.
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@@ -941,9 +941,10 @@ status of its latest version.
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@menu
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* Origin of the term Emacs::
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* Latest version of Emacs::
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* New in Emacs 20::
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* New in Emacs 21::
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* New in Emacs 23::
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* New in Emacs 22::
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* New in Emacs 21::
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* New in Emacs 20::
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@end menu
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@node Origin of the term Emacs
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@@ -981,63 +982,84 @@ conventions}).
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Emacs @value{VER} is the current version as of this writing. A version
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number with two components (e.g. @samp{22.1}) indicates a released
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version; three components (e.g. @samp{23.0.50}) indicate a development
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version.
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version; three components indicate a development
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version (e.g. @samp{23.0.50} is what will eventually become @samp{23.1}).
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@node New in Emacs 20
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@section What is different about Emacs 20?
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@cindex Differences between Emacs 19 and Emacs 20
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@cindex Emacs 20, new features in
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Because Emacs undergoes many changes before a release, the version
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number of a development version is not especially meaningful. It is
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better to refer to the date on which the sources were retrieved from the
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development repository.
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To find out what has changed in recent versions, type @kbd{C-h C-n}
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(@kbd{M-x view-emacs-news}). The oldest changes are at the bottom of
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the file, so you might want to read it starting there, rather than at
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the top.
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The following sections list some of the major new features in the last
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few Emacs releases. For full details of the changes in any version of
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Emacs, type @kbd{C-h C-n} (@kbd{M-x view-emacs-news}). As of Emacs 22,
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you can give this command a prefix argument to read about which features
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were new in older versions.
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The differences between Emacs versions 18 and 19 was rather dramatic;
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the introduction of frames, faces, and colors on windowing systems was
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obvious to even the most casual user.
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There are differences between Emacs versions 19 and 20 as well, but many
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are more subtle or harder to find. Among the changes are the inclusion
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of MULE code for languages that use non-Latin characters and for mixing
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several languages in the same document; the ``Customize'' facility for
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modifying variables without having to use Lisp; and automatic conversion
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of files from Macintosh, Microsoft, and Unix platforms.
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A number of older Lisp packages, such as Gnus, Supercite and the
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calendar/diary, have been updated and enhanced to work with Emacs 20,
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and are now included with the standard distribution.
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@node New in Emacs 21
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@section What is different about Emacs 21?
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@cindex Differences between Emacs 20 and Emacs 21
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@cindex Emacs 21, new features in
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@node New in Emacs 23
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@section What is different about Emacs 23?
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@cindex Differences between Emacs 22 and Emacs 23
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@cindex Emacs 23, new features in
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@cindex Recently introduced features
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@cindex Default features
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@cindex Variable-size fonts
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@cindex Toolbar support
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Emacs 21 features a thorough rewrite of the display engine. The new
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display engine supports variable-size fonts, images, and can play sounds
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on platforms which support that. As a result, the visual appearance of
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Emacs, when it runs on a windowed display, is much more reminiscent of
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modern GUI programs, and includes 3D widgets (used for the mode line and
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the scroll bars), a configurable and extensible toolbar, tooltips
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(a.k.a.@: balloon help), and other niceties.
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@itemize
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@cindex Anti-aliased fonts
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@cindex Freetype fonts
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@item
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Emacs has a new font code that can use multiple font backends,
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including freetype and fontconfig. Emacs can use the Xft library for
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anti-aliasing, and the otf and m17n libraries for complex text layout and
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text shaping.
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@cindex Unicode
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@cindex Character sets
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@item
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The Emacs character set is now a superset of Unicode. Several new
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language environments have been added.
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@cindex Multi-tty support
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@cindex X and tty displays
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@item
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Emacs now supports using both X displays and ttys in the same session
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(@samp{multi-tty}).
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@cindex Daemon mode
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@item
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Emacs can be started as a daemon in the background.
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@cindex NeXTSTEP port
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@cindex GNUstep port
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@cindex Mac OS X Cocoa
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@item
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There is a new NeXTSTEP port of Emacs. This supports GNUstep and Mac OS
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X (via the Cocoa libraries). The Carbon port of Emacs, which supported
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Mac OS X in Emacs 22, has been removed.
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@cindex Directory-local variables
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@item
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Directory-local variables can now be defined, in a similar manner to
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file-local variables.
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@item
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Transient Mark mode (@pxref{Highlighting a region}) is on by default.
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@end itemize
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@noindent
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Other changes include: support for serial port access; D-Bus bindings; a
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new Visual Line mode for line-motion; improved completion; a new mode
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(@samp{DocView}) for viewing of PDF, PostScript, and DVI documents; nXML
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mode (for editing XML documents) is included; VC has been updated for
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newer version control systems; etc. As always, consult the @file{NEWS}
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file for more information.
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@cindex Colors on text-only terminals
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@cindex TTY colors
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In addition, Emacs 21 supports faces on text-only terminals. This means
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that you can now have colors when you run Emacs on a GNU/Linux console
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and on @code{xterm} with @kbd{emacs -nw}.
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@node New in Emacs 22
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@section What is different about Emacs 22?
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@cindex Differences between Emacs 21 and Emacs 22
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@cindex Emacs 22, new features in
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@cindex Recently introduced features
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@cindex Default features
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@itemize
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@cindex GTK+ Toolkit
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@@ -1129,8 +1151,44 @@ In addition, Emacs 22 now includes the Emacs Lisp Reference Manual
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(@pxref{Emacs Lisp documentation}) and the Emacs Lisp Intro.
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@end itemize
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Many other changes have been made in Emacs 22, use @kbd{C-h n} to get a
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full list.
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@node New in Emacs 21
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@section What is different about Emacs 21?
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@cindex Differences between Emacs 20 and Emacs 21
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@cindex Emacs 21, new features in
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@cindex Variable-size fonts
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@cindex Toolbar support
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Emacs 21 features a thorough rewrite of the display engine. The new
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display engine supports variable-size fonts, images, and can play sounds
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on platforms which support that. As a result, the visual appearance of
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Emacs, when it runs on a windowed display, is much more reminiscent of
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modern GUI programs, and includes 3D widgets (used for the mode line and
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the scroll bars), a configurable and extensible toolbar, tooltips
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(a.k.a.@: balloon help), and other niceties.
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@cindex Colors on text-only terminals
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@cindex TTY colors
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In addition, Emacs 21 supports faces on text-only terminals. This means
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that you can now have colors when you run Emacs on a GNU/Linux console
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and on @code{xterm} with @kbd{emacs -nw}.
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@node New in Emacs 20
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@section What is different about Emacs 20?
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@cindex Differences between Emacs 19 and Emacs 20
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@cindex Emacs 20, new features in
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The differences between Emacs versions 18 and 19 were rather dramatic;
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the introduction of frames, faces, and colors on windowing systems was
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obvious to even the most casual user.
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There are differences between Emacs versions 19 and 20 as well, but many
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are more subtle or harder to find. Among the changes are the inclusion
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of MULE code for languages that use non-Latin characters and for mixing
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several languages in the same document; the ``Customize'' facility for
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modifying variables without having to use Lisp; and automatic conversion
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of files from Macintosh, Microsoft, and Unix platforms.
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@c ------------------------------------------------------------
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@node Common requests
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@@ -3985,7 +4043,7 @@ smart enough to move it to another name).
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@end itemize
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For further discussion of this issue, read the file @file{etc/PROBLEMS}
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(in the Emacs source directory when you unpack the Emacs distribution).
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(@pxref{File-name conventions}).
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@node Binding C-s and C-q
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@section How do I bind @kbd{C-s} and @kbd{C-q} (or any key) if these keys are filtered out?
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