Commit c513d7cf authored by Richard M. Stallman's avatar Richard M. Stallman
Browse files

(Difference between Emacs and XEmacs): Rewrite.

parent 9f14953b
2004-08-26 Richard M. Stallman <rms@gnu.org>
* faq.texi (Difference between Emacs and XEmacs): Rewrite.
2004-08-25 Kenichi Handa <handa@m17n.org>
* custom.texi (Non-ASCII Rebinding): Fix and simplify the
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......@@ -3586,45 +3586,25 @@ A list of sites mirroring @samp{ftp.gnu.org} can be found at
@cindex Lucid Emacs
@cindex Epoch
First of all, they're both GNU Emacs. XEmacs is just as much a later
version of GNU Emacs as the FSF-distributed version. This FAQ refers to
the latest version to be distributed by the FSF as ``Emacs,'' partly
because the XEmacs maintainers now refer to their product using the
``XEmacs'' name, and partly because there isn't any accurate way to
differentiate between the two without getting mired in paragraphs of
legalese and history.
XEmacs, which began life as Lucid Emacs, is based on an early version of
Emacs 19 and Epoch, an X-aware version of Emacs 18.
Emacs (i.e., the version distributed by the FSF) has a larger installed
base and now always contains the MULE multilingual facilities.
XEmacs can do some clever tricks with X and MS-Windows, such as
putting arbitrary graphics in a buffer. Similar facilities have been
implemented for Emacs as part of a new redisplay implementation for
Emacs 21, and are available in the latest Emacs releases.
Emacs and XEmacs each come with
Lisp packages that are lacking in the other; RMS says that the FSF would
include more packages that come with XEmacs, but that the XEmacs
maintainers don't always keep track of the authors of contributed code,
which makes it impossible for the FSF to have certain legal papers
signed. (Without these legal papers, the FSF will not distribute Lisp
packages with Emacs.) The two versions have some
significant differences at the Lisp programming level.
XEmacs is a branch version of Emacs. It was earlier called as Lucid
Emacs, and it was based on a prerelease version of Emacs 19. In this
FAQ, we use the name ``Emacs'' only for the official version.
Emacs and XEmacs each come with Lisp packages that are lacking in the
other. The two versions have some significant differences at the Lisp
programming level.
Many XEmacs features have found their way into recent versions of Emacs,
and more features can be expected in the future, but there are still many
differences between the two.
The latest stable branch of XEmacs as of this writing is 21.4; you can
get it at
@uref{ftp://ftp.xemacs.org/pub/xemacs/xemacs-21.4/xemacs-21.4.12.tar.gz}
More information about XEmacs, including a list of frequently asked
questions (FAQ), is available at
@uref{http://www.xemacs.org/}
The FSF has used some of the code in XEmacs, and would like to use
other parts, but the earlier XEmacs maintainers did not always keep
track of the authors of contributed code, which makes it impossible
for the FSF to get copyright papers signed for that code. (The FSF
requires these papers for all the code included in Emacs, aside from
generic C support packages that are not integrated into the code of
Emacs proper.)
@node Emacs for MS-DOS, Emacs for Windows, Difference between Emacs and XEmacs, Finding Emacs and related packages
@section Where can I get Emacs for my PC running MS-DOS?
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