* Changes in Emacs 23.1
** Improved X Window System support
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*** Emacs now supports using both X displays and ttys in one session.
With an Emacs server active (M-x server-start), `emacsclient -t'
creates a tty frame connected to the running emacs server. You can
You can test for the presence of this feature in your Lisp code by
testing for the `multi-tty' feature.
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**** Emacsclient can now open new terminal frames.
Now, the default behavior is to open a new Emacs frame by default.
Use the -c option to get the old behavior of opening files in the
currently selected Emacs frame.
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*** Emacs can now start in background, as a daemon when using the
--daemon command line argument. It disconnects from the terminal and
starts the server. Clients can connect and create graphical or