4.4 What is different about Emacs 23?
Emacs has a new font code that can use multiple font backends,
including freetype and fontconfig. Emacs can use the Xft library for
anti-aliasing, and the otf and m17n libraries for complex text layout and
The Emacs character set is now a superset of Unicode. Several new
language environments have been added.
Emacs now supports using both X displays and ttys in the same session
Emacs can be started as a daemon in the background.
There is a new NeXTstep port of Emacs. This supports GNUstep and Mac OS
X (via the Cocoa libraries). The Carbon port of Emacs, which supported
Mac OS X in Emacs 22, has been removed.
Directory-local variables can now be defined, in a similar manner to
- Transient Mark mode (see Highlighting a region) is on by default.
Other changes include: support for serial port access; D-Bus bindings; a
new Visual Line mode for line-motion; improved completion; a new mode
(‘DocView’) for viewing of PDF, PostScript, and DVI documents; nXML
mode (for editing XML documents) is included; VC has been updated for
newer version control systems; etc.