* doc/misc/efaq.texi: Misc copyedits.

Prefer mailing lists to newgroups.
(History of Emacs): Rename from "Status of Emacs".
Move XEmacs node here.
(Emacs for other operating systems): Merge all the "non-Unix"
systems into a single node.

1 files changed, 138 insertions, 178 deletions

diff --git a/doc/misc/efaq.texi b/doc/misc/efaq.texi
index c718e34433f..0be35396b80 100644
--- a/doc/misc/efaq.texi
+++ b/doc/misc/efaq.texi
@@ -86,7 +86,7 @@ Emacs, the Emacs manual is often the best starting point.
 * FAQ notation::
 * General questions::
 * Getting help::
-* Status of Emacs::
+* History of Emacs::
 * Common requests::
 * Bugs and problems::
 * Compiling and installing Emacs::
@@ -215,11 +215,6 @@ completion, @kbd{?} for a list of possibilities, and @kbd{M-p} and
 @kbd{M-n} (or up-arrow and down-arrow) to see previous commands entered.
 An Emacs @dfn{command} is an @dfn{interactive} Emacs function.
 
-@cindex @key{Do} key
-Your system administrator may have bound other key sequences to invoke
-@code{execute-extended-command}.  A function key labeled @kbd{Do} is a
-good candidate for this, on keyboards that have such a key.
-
 If you need to run non-interactive Emacs functions, see @ref{Evaluating
 Emacs Lisp code}.
 
@@ -231,7 +226,7 @@ Emacs Lisp code}.
 @cindex Info, finding topics in
 
 When we refer you to some @var{topic} in the Emacs manual, you can
-read this manual node inside Emacs (assuming nothing is broken) by
+read this manual node inside Emacs by
 typing @kbd{C-h i m emacs @key{RET} m @var{topic} @key{RET}}.
 
 This invokes Info, the GNU hypertext documentation browser.  If you don't
@@ -240,9 +235,8 @@ already know how to use Info, type @kbd{?} from within Info.
 If we refer to @var{topic}:@var{subtopic}, type @kbd{C-h i m emacs
 @key{RET} m @var{topic} @key{RET} m @var{subtopic} @key{RET}}.
 
-If these commands don't work as expected, your system administrator may
-not have installed the Info files, or may have installed them
-improperly.  In this case you should complain.
+(If these commands don't work as expected, your system may be missing
+the Info files, or they may not be installed properly.)
 
 If you are reading this FAQ in Info, you can simply press @key{RET} on a
 reference to follow it.
@@ -323,8 +317,8 @@ Free Software Foundation, and related organizations.
 
 @menu
 * Real meaning of copyleft::
-* Guidelines for newsgroup postings::
-* Newsgroup archives::
+* Guidelines for mailing list postings::
+* Mailing list archives::
 * Reporting bugs::
 * Unsubscribing from Emacs lists::
 * Contacting the FSF::
@@ -359,54 +353,53 @@ distribute any version of Emacs or a related program, and give the
 recipients the same freedom that you enjoyed.
 @end quotation
 
-@node Guidelines for newsgroup postings
-@section  What are appropriate messages for the various Emacs newsgroups?
-@cindex Newsgroups, appropriate messages for
-@cindex GNU newsgroups, appropriate messages for
-@cindex Usenet groups, appropriate messages for
+@node Guidelines for mailing list postings
+@section  What are appropriate messages for the various Emacs mailing lists?
 @cindex Mailing lists, appropriate messages for
-@cindex Posting messages to newsgroups
-
+@cindex Posting messages to mailing lists
 @cindex GNU mailing lists
-The Emacs mailing lists are described at
+
+There are various Emacs mailing lists, described at
 @uref{https://savannah.gnu.org/mail/?group=emacs, the Emacs Savannah
-page}. Some of them are gatewayed to newsgroups.
+page}.
 
-The newsgroup @uref{news:comp.emacs} is for discussion of Emacs programs
-in general.  The newsgroup @uref{news:gnu.emacs.help} is specifically
-for GNU Emacs.  It therefore makes no sense to cross-post to both
-groups, since only one can be appropriate to any question.
+The main ones are: @code{help-gnu-emacs}, @code{bug-gnu-emacs},
+and @code{emacs-devel}.
 
 Messages advocating ``non-free'' software are considered unacceptable on
-any of the @code{gnu.*} newsgroups except for @uref{news:gnu.misc.discuss},
-which was created to hold the extensive flame-wars on the subject.
+any of the @code{gnu.*} mailing lists (except for @code{gnu-misc-discuss}).
 ``Non-free'' software includes any software for which the end user can't
-freely modify the source code and exchange enhancements.  Be careful to
-remove the @code{gnu.*} groups from the @samp{Newsgroups:} line when
-posting a followup that recommends such software.
+freely modify the source code and exchange enhancements.  Please
+remove GNU mailing lists from the recipients when
+posting a reply that recommends such software.
 
-@uref{news:gnu.emacs.bug} is a place where bug reports appear, but avoid
-posting bug reports to this newsgroup directly (@pxref{Reporting bugs}).
+@cindex newsgroups
+Some of the GNU mailing lists are gatewayed to newsgroups.
+The newsgroup @uref{news:comp.emacs} is for discussion of Emacs programs
+in general.  The newsgroup @uref{news:gnu.emacs.help} (i.e., the
+@code{help-gnu-emacs} mailing list) is specifically
+for GNU Emacs.  It therefore makes no sense to cross-post to both
+groups, since only one can be appropriate to any question.
 
 Finally, we recommend reading the
 @url{https://www.gnu.org/philosophy/kind-communication.html, GNU Kind
 Communications Guidelines} before posting to any GNU lists or
 newsgroups.
 
-@node Newsgroup archives
-@section Where can I get old postings to @uref{news:gnu.emacs.help} and other GNU groups?
-@cindex Archived postings from @code{gnu.emacs.help}
-@cindex Usenet archives for GNU groups
-@cindex Old Usenet postings for GNU groups
+@node Mailing list archives
+@section Where can I find old postings to GNU mailing lists?
+@cindex Mailing list archives
 
 The FSF has maintained archives of all of the GNU mailing lists for many
 years, although there may be some unintentional gaps in coverage.  The
 archive can be browsed over the web at
 @uref{https://lists.gnu.org/r/, the GNU mail archive}.
 
+@cindex Usenet archives for GNU groups
+@cindex Old Usenet postings for GNU groups
 Web-based Usenet search services, such as
 @uref{http://groups.google.com/groups/dir?q=gnu&, Google}, also
-archive the @code{gnu.*} groups.
+archive the @code{gnu.*} newsgroups.
 
 @node Reporting bugs
 @section Where should I report bugs and other problems with Emacs?
@@ -854,12 +847,9 @@ Emacs news, a history of recent user-visible changes
 
 @end table
 
-More GNU information, including back issues of the @cite{GNU's
-Bulletin}, are at
-
-@uref{https://www.gnu.org/bulletins/bulletins.html} and
+More GNU and FSF information is available at
 
-@uref{http://www.cs.pdx.edu/~trent/gnu/gnu.html}
+@uref{https://www.gnu.org} and @uref{http://www.fsf.org}
 
 @node Help installing Emacs
 @section Where can I get help in installing Emacs?
@@ -885,12 +875,9 @@ C-f} (@kbd{M-x view-emacs-FAQ}).  The very latest version is available
 in the Emacs development repository (@pxref{Latest version of Emacs}).
 
 @c ------------------------------------------------------------
-@node Status of Emacs
-@chapter Status of Emacs
-@cindex Status of Emacs
-
-This chapter gives you basic information about Emacs, including the
-status of its latest version.
+@node History of Emacs
+@chapter History of Emacs
+@cindex History of Emacs
 
 @menu
 * Origin of the term Emacs::
@@ -903,6 +890,7 @@ status of its latest version.
 * New in Emacs 22::
 * New in Emacs 21::
 * New in Emacs 20::
+* Difference between Emacs and XEmacs::
 @end menu
 
 @node Origin of the term Emacs
@@ -941,7 +929,6 @@ conventions}).
 @cindex Latest version of Emacs
 @cindex Development, Emacs
 @cindex Repository, Emacs
-@cindex Bazaar repository, Emacs
 
 Emacs @value{EMACSVER} is the current version as of this writing.  A version
 number with two components (e.g., @samp{24.5}) indicates a released
@@ -1466,6 +1453,43 @@ several languages in the same document; the ``Customize'' facility for
 modifying variables without having to use Lisp; and automatic conversion
 of files from Macintosh, Microsoft, and Unix platforms.
 
+
+@node Difference between Emacs and XEmacs
+@section What is the difference between Emacs and XEmacs (formerly Lucid Emacs)?
+@cindex XEmacs
+@cindex Difference Emacs and XEmacs
+@cindex Lucid Emacs
+@cindex Epoch
+
+XEmacs was a branch version of Emacs that is no longer actively
+developed.  XEmacs was first called Lucid Emacs, and was initially
+derived from a prerelease version of Emacs 19.  In this FAQ, we use
+the name ``Emacs'' only for the official version.
+
+XEmacs last released a new version on January 30, 2009, and it lacks
+many important features that exists in Emacs.  In the past, it was not
+uncommon for Emacs packages to include code for compatibility with
+XEmacs.  Nowadays, although some packages still maintain such
+compatibility code, several of the more popular built-in and third
+party packages have either stopped supporting XEmacs or were developed
+exclusively for Emacs.
+
+Some XEmacs code has been contributed to Emacs, and we 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 the Emacs
+release, aside from generic C support packages that retain their
+separate identity and are not integrated into the code of Emacs
+proper.)
+
+If you want to talk about these two versions and distinguish them,
+please call them ``Emacs'' and ``XEmacs.''  To contrast ``XEmacs''
+with ``GNU Emacs'' would be misleading, since XEmacs too has its
+origin in the work of the GNU Project.  Terms such as ``Emacsen'' and
+``(X)Emacs'' are not wrong, but they are not very clear, so it
+is better to write ``Emacs and XEmacs.''
+
 @c ------------------------------------------------------------
 @node Common requests
 @chapter Common requests
@@ -3356,6 +3380,7 @@ dired, @code{directory-listing-before-filename-regexp}.
 
 @menu
 * Installing Emacs::
+* Emacs for other operating systems::
 * Problems building Emacs::
 @end menu
 
@@ -3368,9 +3393,7 @@ dired, @code{directory-listing-before-filename-regexp}.
 @cindex Source code, building Emacs from
 
 This answer is meant for users of Unix and Unix-like systems.  Users of
-other operating systems should see the series of questions beginning
-with @ref{Emacs for MS-DOS}, which describe where to get non-Unix source
-and binaries, and how to install Emacs on those systems.
+other operating systems should see @xref{Emacs for other operating systems}.
 
 Most GNU/Linux distributions provide pre-built Emacs packages.
 If Emacs is not installed already, you can install it by running (as
@@ -3389,20 +3412,20 @@ a list of sites that make them available.  On @url{https://ftp.gnu.org},
 the main GNU distribution site, sources are available as
 
 @c Don't include VER in the file name, because pretests are not there.
-@uref{https://ftp.gnu.org/pub/gnu/emacs/emacs-VERSION.tar.gz}
+@uref{https://ftp.gnu.org/pub/gnu/emacs/emacs-VERSION.tar.xz}
 
-(Replace @samp{VERSION} with the relevant version number, e.g., @samp{23.1}.)
+(Replace @samp{VERSION} with the relevant version number, e.g., @samp{27.1}.)
 
 @item
 Next uncompress and extract the source files.  This requires
-the @code{gzip} and @code{tar} programs, which are standard utilities.
+the @code{xz} and @code{tar} programs, which are standard utilities.
 If your system does not have them, these can also be downloaded from
 @url{https://ftp.gnu.org}.
 
 GNU @code{tar} can uncompress and extract in a single-step:
 
 @example
-tar -zxvf emacs-VERSION.tar.gz
+tar -axvf emacs-VERSION.tar.xz
 @end example
 
 @item
@@ -3416,9 +3439,8 @@ cd emacs-VERSION
 make                # use Makefile to build components, then Emacs
 @end example
 
-If the @code{make} completes successfully, the odds are fairly good that
-the build has gone well.  (@xref{Problems building Emacs}, if you weren't
-successful.)
+If the @code{make} completes successfully, you can go on to install it.
+(@xref{Problems building Emacs}, if you weren't successful.)
 
 @item
 By default, Emacs is installed in @file{/usr/local}.  To actually
@@ -3433,6 +3455,46 @@ and any Emacs Info files that might be in @file{/usr/local/share/info/}.
 
 @end itemize
 
+@node Emacs for other operating systems
+@section Where can I get Emacs for macOS, MS Windows, etc?
+
+@cindex Apple computers, Emacs for
+@cindex Macintosh, Emacs for
+@cindex macOS, Emacs for
+Beginning with version 22.1, Emacs supports macOS natively.
+See the file @file{nextstep/INSTALL} in the distribution.
+
+@cindex FAQ for Emacs on MS-Windows
+@cindex Emacs for MS-Windows
+@cindex Microsoft Windows, Emacs for
+There is a separate FAQ for Emacs on MS-Windows,
+@pxref{Top,,,efaq-w32,FAQ for Emacs on MS Windows}.
+
+@cindex GNUstep, Emacs for
+Beginning with version 23.1, Emacs supports GNUstep natively.
+See the file @file{nextstep/INSTALL} in the distribution.
+
+@cindex MS-DOS, Emacs for
+@cindex DOS, Emacs for
+@cindex Compiling Emacs for DOS
+@cindex Emacs for MS-DOS
+To build Emacs from source for MS-DOS, see the instructions in the file
+@file{msdos/INSTALL} in the distribution.  The DOS port builds and runs
+on plain DOS, and also on all versions of MS-Windows from version 3.X
+onwards, including Windows XP and Vista. Pre-built binaries may be
+available at
+@uref{http://www.delorie.com/pub/djgpp/current/v2gnu/emacs.README}
+
+For a list of other implementations of Emacs (and Emacs
+look-alikes), consult the list of ``Emacs implementations and literature,''
+available at
+
+@uref{http://www.finseth.com/emacs.html}
+
+Note that while many of these programs look similar to Emacs, they often
+lack certain features, such as the Emacs Lisp extension language.
+
+
 @node Problems building Emacs
 @section What should I do if I have trouble building Emacs?
 @cindex Problems building Emacs
@@ -3456,22 +3518,16 @@ problem (@pxref{Reporting bugs}).
 @cindex Finding Emacs and related packages
 
 @menu
-* Finding Emacs on the Internet::
+* Downloading Emacs::
 * Finding a package with particular functionality::
 * Packages that do not come with Emacs::
 * Spell-checkers::
 * Current GNU distributions::
-* Difference between Emacs and XEmacs::
 * Emacs for minimalists::
-* Emacs for MS-DOS::
-* Emacs for MS-Windows::
-* Emacs for GNUstep::
-* Emacs for macOS::
 @end menu
 
-@node Finding Emacs on the Internet
-@section Where can I get Emacs on the net?
-@cindex Finding Emacs on the Internet
+@node Downloading Emacs
+@section Downloading Emacs
 @cindex Downloading Emacs
 
 Information on downloading Emacs is available at
@@ -3487,25 +3543,22 @@ archive sites that make GNU software available.
 @cindex Finding an Emacs Lisp package
 @cindex Functionality, finding a particular package
 
-First of all, you should check to make sure that the package isn't
-already available.  For example, typing @kbd{M-x apropos @key{RET}
-python @key{RET}} lists all functions and variables containing the
-string @samp{python}.
-
-It is also possible that the package is on your system, but has not been
-loaded.  To see which packages are available for loading, look through
-your computer's lisp directory (@pxref{File-name conventions}).  The Lisp
-source to most packages contains a short description of how they
-should be loaded, invoked, and configured---so before you use or
-modify a Lisp package, see if the author has provided any hints in the
-source code.
-
 The command @kbd{C-h p} (@code{finder-by-keyword}) allows you to browse
-the constituent Emacs packages.
+the packages that come with Emacs.
 
 For advice on how to find extra packages that are not part of Emacs,
 see @ref{Packages that do not come with Emacs}.
 
+Other techniques that might be useful:
+
+Typing @kbd{M-x apropos @key{RET} python @key{RET}} lists all
+functions and variables containing the string @samp{python}.
+
+You can look through your computer's lisp directory (@pxref{File-name
+conventions}).  The Lisp source to most packages contains a short
+description of what they do and how they should be used.
+
+
 @c Note that M-x view-external-packages references this node.
 @node Packages that do not come with Emacs
 @section Where can I get Emacs Lisp packages that don't come with Emacs?
@@ -3550,8 +3603,8 @@ additional extensions.  @uref{https://wikemacs.org, WikEmacs} is an
 alternative wiki for Emacs.
 
 @uref{http://www.damtp.cam.ac.uk/user/sje30/emacs/ell.html, The Emacs
-Lisp List (ELL)}, has pointers to many Emacs Lisp files, but at time
-of writing it is no longer being updated.
+Lisp List (ELL)}, is no longer being updated, but has pointers to
+older Emacs Lisp files.
 
 It is impossible for us to list here all the sites that offer Emacs
 Lisp packages.  If you are interested in a specific feature, then
@@ -3602,42 +3655,6 @@ A list of sites mirroring @samp{ftp.gnu.org} can be found at
 
 @uref{https://www.gnu.org/prep/ftp}
 
-@node Difference between Emacs and XEmacs
-@section What is the difference between Emacs and XEmacs (formerly Lucid Emacs)?
-@cindex XEmacs
-@cindex Difference Emacs and XEmacs
-@cindex Lucid Emacs
-@cindex Epoch
-
-XEmacs was a branch version of Emacs that is no longer actively
-developed.  XEmacs was first called Lucid Emacs, and was initially
-derived from a prerelease version of Emacs 19.  In this FAQ, we use
-the name ``Emacs'' only for the official version.
-
-XEmacs last released a new version on January 30, 2009, and it lacks
-many important features that exists in Emacs.  In the past, it was not
-uncommon for Emacs packages to include code for compatibility with
-XEmacs.  Nowadays, although some packages still maintain such
-compatibility code, several of the more popular built-in and third
-party packages have either stopped supporting XEmacs or were developed
-exclusively for Emacs.
-
-Some XEmacs code has been contributed to Emacs, and we 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 the Emacs
-release, aside from generic C support packages that retain their
-separate identity and are not integrated into the code of Emacs
-proper.)
-
-If you want to talk about these two versions and distinguish them,
-please call them ``Emacs'' and ``XEmacs.''  To contrast ``XEmacs''
-with ``GNU Emacs'' would be misleading, since XEmacs too has its
-origin in the work of the GNU Project.  Terms such as ``Emacsen'' and
-``(X)Emacs'' are not wrong, but they are not very clear, so it
-is better to write ``Emacs and XEmacs.''
-
 @node Emacs for minimalists
 @section I don't have enough disk space to install Emacs
 @cindex Zile
@@ -3651,63 +3668,6 @@ information is available from
 
 @uref{https://www.gnu.org/software/zile/}
 
-
-@node Emacs for MS-DOS
-@section Where can I get Emacs for MS-DOS?
-@cindex MS-DOS, Emacs for
-@cindex DOS, Emacs for
-@cindex Compiling Emacs for DOS
-@cindex Emacs for MS-DOS
-
-To build Emacs from source for MS-DOS, see the instructions in the file
-@file{msdos/INSTALL} in the distribution.  The DOS port builds and runs
-on plain DOS, and also on all versions of MS-Windows from version 3.X
-onwards, including Windows XP and Vista.
-
-The file @file{etc/PROBLEMS} contains some additional information
-regarding Emacs under MS-DOS.
-
-A pre-built binary distribution of the old Emacs 24 is available, as
-described at
-
-@uref{http://www.delorie.com/pub/djgpp/current/v2gnu/emacs.README}
-
-For a list of other MS-DOS implementations of Emacs (and Emacs
-look-alikes), consult the list of ``Emacs implementations and literature,''
-available at
-
-@uref{http://www.finseth.com/emacs.html}
-
-Note that while many of these programs look similar to Emacs, they often
-lack certain features, such as the Emacs Lisp extension language.
-
-@node Emacs for MS-Windows
-@section Where can I get Emacs for Microsoft Windows?
-@cindex FAQ for Emacs on MS-Windows
-@cindex Emacs for MS-Windows
-@cindex Microsoft Windows, Emacs for
-
-There is a separate FAQ for Emacs on MS-Windows,
-@pxref{Top,,,efaq-w32,FAQ for Emacs on MS Windows}.
-For MS-DOS, @pxref{Emacs for MS-DOS}.
-
-
-@node Emacs for GNUstep
-@section Where can I get Emacs for GNUstep?
-@cindex GNUstep, Emacs for
-
-Beginning with version 23.1, Emacs supports GNUstep natively.
-See the file @file{nextstep/INSTALL} in the distribution.
-
-@node Emacs for macOS
-@section Where can I get Emacs for macOS?
-@cindex Apple computers, Emacs for
-@cindex Macintosh, Emacs for
-@cindex macOS, Emacs for
-
-Beginning with version 22.1, Emacs supports macOS natively.
-See the file @file{nextstep/INSTALL} in the distribution.
-
 @c ------------------------------------------------------------
 @node Key bindings
 @chapter Key bindings