(Antinews): Rewrite.

1 files changed, 61 insertions, 261 deletions

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 @node Antinews, Mac OS, X Resources, Top
 @appendix Emacs 21 Antinews
 
-  For those users who live backwards in time, here is information about
-downgrading to Emacs version 21.4.  We hope you will enjoy the greater
-simplicity that results from the absence of many Emacs @value{EMACSVER}
-features.
+  For those users who live backwards in time, here is information
+about downgrading to Emacs version 22.3.  We hope you will enjoy the
+greater simplicity that results from the absence of many Emacs
+@value{EMACSVER} features.
 
 @itemize @bullet
 
 @item
-The buffer position and line number are now displayed at the end of
-the mode line, where they can be more easily seen.
+The Fontconfig font library is no longer supported.  To specify a
+font, you must use an XLFD (X Logical Font Descriptor).  The other
+ways of specifying fonts---so-called ``Fontconfig'' and ``GTK'' font
+names---are clearly redundant, and have been removed.
 
 @item
-The mode line of the selected window is no longer displayed with a
-special face.  All mode lines are created equal.  Meanwhile, you can
-use the variable @code{mode-line-inverse-video} to control whether
-mode lines are highlighted at all---@code{nil} means don't highlight
-them.
+Emacs no longer performs font anti-aliasing.  If your fonts look ugly,
+try choosing a larger font and increasing the screen resolution.  This
+may admittedly become difficult as you go further back in time, since
+available screen resolutions will decrease.
 
 @item
-Clicking on a link with the left mouse button (@kbd{mouse-1}) will
-always set point at the position clicked, instead of following the
-link.  If you want to follow the link, use the middle mouse button
-(@kbd{mouse-2}).
+Emacs has added support for some soon-to-be-non-obsolete platforms.
+These include GNU/Linux systems based on libc version 5, BSD systems
+based on the COFF executable format, Solaris versions less than 2.6,
+and many more.
 
 @item
-Emacs is tired of X droppings.  If you drop a file or a piece of text
-onto an Emacs window, nothing will happen.
+Emacs can no longer display frames on X windows and text terminals
+(ttys) simultaneously.  If you start Emacs as an X application, the
+Emacs job can only create X frames; if you start Emacs on a tty, the
+Emacs job can only use that tty.
 
 @item
-On an xterm, even if you enable Xterm Mouse mode, Emacs provides a
-more convincing simulation of a text terminal by not responding to
-mouse clicks on the mode line, header line, or display margin.
+Emacs can no longer be started as a daemon.
 
 @item
-For simplicity, windows always have fringes.  We wouldn't want to
-in-fringe anyone's windows.  Likewise, horizontal scrolling always
-works in the same automatic way.
+Transient Mark mode is now disabled by default.  Furthermore, some
+commands that operate specifically on the region when it is active and
+Transient Mark mode is enabled (such as @code{fill-paragraph}
+@code{ispell-word}, and @code{indent-for-tab-command}), no longer do
+so.
 
 @item
-The horizontal-bar cursor shape has been removed.
+The line motion commands, @kbd{C-n} and @kbd{C-p}, now move by logical
+text lines, not screen lines.  Even if a long text line is continued
+over multiple screen lines, @kbd{C-n} and @kbd{C-p} treat it as a
+single line, because that's ultimately what it is.
 
 @item
-If command line arguments are given, Emacs will not display a splash
-screen, so that you can immediately get on with your editing.  The
-command-line option @samp{--no-splash} is therefore obsolete, and has
-been removed.
+Visual Line mode, which provides ``word wrap'' functionality, has been
+removed.  You can still use Long Lines mode to gain an approximation
+of word wrapping, though this has some drawbacks---for instance,
+syntax highlighting often doesn't work well on wrapped lines.
 
 @item
-These command line options have also been removed: @samp{--color},
-@samp{--fullwidth}, @samp{--fullheight}, @samp{--fullscreen},
-@samp{--no-blinking-cursor}, @samp{--no-desktop}, and @samp{-Q}.
+The variable @code{shift-select-mode} has been deleted; holding
+@key{shift} while typing a motion command no longer creates a
+temporarily active region.  You can still create temporarily active
+regions by dragging the mouse.
 
 @item
-The @samp{--geometry} option applies only to the initial frame, and
-the @samp{-f} option will not read arguments for interactive
-functions.
+@kbd{C-l} now runs @code{recenter} instead of
+@code{recenter-top-bottom}.  This always sets the current line at the
+center of the window, instead of cycling through the center, top, and
+bottom of the window on successive invocations of @kbd{C-l}.  This
+lets you type @kbd{C-l C-l C-l C-l} to be @emph{absolutely sure} that
+you have recentered the line.
 
 @item
-We have standardized on one location for the user init file: the file
-named @file{.emacs} in your home directory.  Emacs will not look for
-the init file in @file{~/.emacs.d/init.el}.  Similarly, don't try
-putting @file{.emacs_SHELL} as @file{init_SHELL.sh} in
-@file{~/.emacs.d}; Emacs won't find it.
+Typing @kbd{M-n} at the start of the minibuffer history list no longer
+attempts to generate guesses of possible minibuffer input.  It instead
+does the straightforward thing, by issuing the message @samp{End of
+history; no default available}.
 
 @item
-Emacs will not read @file{~/.abbrev_defs} automatically.  If you want
-to load abbrev definitions from a file, you must always do so
-explicitly.
+Individual buffers can no longer display faces specially.  The text
+scaling commands @kbd{C-x C-+}, @kbd{C-x C--}, and @kbd{C-x C-0} have
+been removed, and so has the buffer face menu bound to
+@kbd{S-down-mouse-1}.
 
 @item
-When you are logged in as root, all files now give you writable
-buffers, reflecting the fact that you can write any files.
+Emacs now uses an internal encoding, known as @samp{emacs-mule}, which
+is not a superset of Unicode.
 
 @item
-The maximum size of buffers and integer variables has been halved.  On
-32-bit machines, the maximum buffer size is now 128 megabytes.
-
-@item
-An unquoted @samp{$} in a file name is now an error, if the following
-name is not recognized as an environment variable.  Thus,
-the file name @file{foo$bar} would probably be an error.  Meanwhile,
-the @code{setenv} command does not expand @samp{$} at all.
-
-@item
-If a single command accumulates too much undo information, Emacs never
-discards it.  If Emacs runs out of memory as a result, it will handle
-this by crashing.
-
-@item
-Many commands have been removed from the menus or rearranged.
-
-@item
-The @kbd{C-h} (help) subcommands have been rearranged---especially
-those that display specific files.  Type @kbd{C-h C-h} to see a list
-of these commands; that will show you what is different.
-
-@item
-The @kbd{C-h v} and @kbd{C-h f} commands no longer show a hyperlink to
-the C source code, even if it is available.  If you want to find the
-source code, grep for it.
-
-@item
-The apropos commands will not accept a list of words to match, in
-order to encourage you to be more specific.  Also, the user option
-@code{apropos-sort-by-scores} has been removed.
-
-@item
-The minibuffer prompt is now displayed using the default face.
-The colon is enough to show you what part is the prompt.
-
-@item
-Minibuffer completion commands always complete the entire minibuffer
-contents, just as if you had typed them at the end of the minibuffer,
-no matter where point is actually located.
-
-@item
-The command @code{backward-kill-sexp} is now bound to @kbd{C-M-delete}
-and @kbd{C-M-backspace}.  Be careful when using these key sequences!
-It may shut down your X server, or reboot your operating system.
-
-@item
-Commands to set the mark at a place away from point, including
-@kbd{M-@@}, @kbd{M-h}, etc., don't do anything special when you repeat
-them.  In most cases, typing these commands multiple times is
-equivalent to typing them once.  @kbd{M-h} ignores numeric arguments.
-
-@item
-The user option @code{set-mark-command-repeat-pop} has been removed.
-
-@item
-@kbd{C-@key{SPC} C-@key{SPC}} has no special meaning--it just sets the
-mark twice.  Neither does @kbd{C-u C-x C-x}, which simply exchanges
-point and mark like @kbd{C-x C-x}.
-
-@item
-The function @code{sentence-end} has been eliminated in favor of a
-more straightforward approach: directly setting the variable
-@code{sentence-end}.  For example, to end each sentence with a single
-space, use
-
-@lisp
-(setq sentence-end "[.?!][]\"')@}]*\\($\\|[ \t]\\)[ \t\n]*")
-@end lisp
-
-@item
-The variable @code{fill-nobreak-predicate} is no longer customizable,
-and it can only hold a single function.
-
-@item
-Nobreak spaces and hyphens are displayed just like normal characters,
-and the user option @code{nobreak-char-display} has been removed.
-
-@item
-@kbd{C-w} in an incremental search always grabs an entire word
-into the search string.  More precisely, it grabs text through
-the next end of a word.
-
-@item
-Yanking now preserves all text properties that were in the killed
-text.  The variable @code{yank-excluded-properties} has been removed.
-
-@item
-Occur mode, Info mode, and Comint-derived modes now control
-fontification in their own way, and @kbd{M-x font-lock-mode} has
-nothing to do with it.  To control fontification in Info mode, use the
-variable @code{Info-fontify}.
-
-@item
-@samp{M-x shell} is now completely standard in regard to scrolling
-behavior.  It no longer has the option of scrolling the input line to
-the bottom of the window the way a text terminal running a shell does.
-
-@item
-The Grep package has been merged with Compilation mode.  Many
-grep-specific commands and user options have thus been eliminated.
-Also, @kbd{M-x grep} never tries the GNU grep @samp{-H} option,
-and instead silently appends @file{/dev/null} to the command line.
-
-@item
-In Dired's @kbd{!} command, @samp{*} and @samp{?} now
-cause substitution of the file names wherever they appear---not
-only when they are surrounded by whitespace.
-
-@item
-When a file is managed with version control, the command @kbd{C-x C-q}
-(whose general meaning is to make a buffer read-only or writable) now
-does so by checking the file in or out.  Checking the file out makes
-the buffer writable; checking it in makes the buffer read-only.
-
-You can still use @kbd{C-x v v} to do these operations if you wish;
-its meaning is unchanged.  If you want to control the buffer's
-read-only flag without performing any version control operation,
-use @kbd{M-x toggle-read-only}.
-
-@item
-SGML mode does not handle XML syntax, and does not have indentation
-support.
-
-@item
-Many Info mode commands have been removed.  Incremental search in Info
-searches only the current node.
-
-@item
-Many @code{etags} features for customizing parsing using regexps
-have been removed.
-
-@item
-The Emacs server now runs a small C program called @file{emacsserver},
-rather than trying to handle everything in Emacs Lisp.  Now there can
-only be one Emacs server running at a time.  The @code{server-mode}
-command and @code{server-name} user option have been eliminated.
-
-@item
-The @file{emacsclient} program no longer accepts the @samp{--eval},
-@samp{--display} and @samp{--server-file} command line options, and
-can only establish local connections using Unix domain sockets.
-
-@item
-The command @code{quail-show-key}, for showing how to input a
-character, has been removed.
-
-@item
-The default value of @code{keyboard-coding-system} is always
-@code{nil}, regardless of your locale settings.  If you want some
-other value, set it yourself.
-
-@item
-Unicode support and unification between Latin-@var{n} character sets
-have been removed.  Cutting and pasting X selections does not support
-``extended segments'', so there are certain coding systems it cannot
-handle.
-
-@item
-The input methods for Emacs are included in a separate distribution
-called ``Leim.''  To use this, you must extract the Leim tar file on
-top of the Emacs distribution, into the same directory, before you
-build Emacs.
-
-@item
-The following input methods have been eliminated: belarusian,
-bulgarian-bds, bulgarian-phonetic, chinese-sisheng, croatian, dutch,
-georgian, latin-alt-postfix, latin-postfix, latin-prefix,
-latvian-keyboard, lithuanian-numeric, lithuanian-keyboard,
-malayalam-inscript, rfc1345, russian-computer, sgml, slovenian,
-tamil-inscript ucs, ukrainian-computer, vietnamese-telex, and welsh.
-
-@item
-The following language environments have been eliminated: Belarusian,
-Bulgarian, Chinese-EUC-TW, Croatian, French, Georgian, Italian,
-Latin-6, Latin-7, Latvian, Lithuanian, Malayalam, Russian, Russian,
-Slovenian, Swedish, Tajik, Tamil, UTF-8, Ukrainian, Ukrainian, Welsh,
-and Windows-1255.
-
-@item
-The @code{code-pages} library, which contained various 8-bit coding
-systems, has been removed.
-
-@item
-The Kmacro package has been replaced with a simple and elegant
-keyboard macro system.  Use @kbd{C-x (} to start a new keyboard macro,
-@kbd{C-x )} to end the macro, and @kbd{C-x e} to execute the last
-macro.  Use @kbd{M-x name-last-kbd-macro} to name the most recently
-defined macro.
-
-@item
-Emacs no longer displays your breakpoints in the source buffer, so you
-have to remember where you left them.  It can be difficult to inspect
-the state of your debugged program from the command line, so Emacs
-tries to demonstrate this in the GUD buffer.
-
-@item
-The Calc, CUA, Ibuffer, Ido, Password, Printing, Reveal,
-Ruler-mode, SES, Table, Tramp, and URL packages have been removed.
-The Benchmark, Cfengine, Conf, Dns, Flymake, Python, Thumbs, and
-Wdired modes have also been removed.
-
-@item
-The Emacs Lisp Reference Manual and the Introduction to Programming in
-Emacs Lisp are now distributed separately, not in the Emacs
-distribution.
-
-@item
-On MS Windows, there is no longer any support for tooltips, images,
-sound, different mouse pointer shapes, or pointing devices with more
-than 3 buttons.  If you want these features, consider switching to
-another operating system.  But even if you don't want these features,
-you should still switch---for freedom's sake.
-
-@item
-Emacs will not use Unicode for clipboard operations on MS Windows.
+VC no longer supports fileset-based operations on distributed version
+control systems (DVCSs) such as Arch, Bazaar, Subversion, Mercurial,
+and Git.  For instance, multi-file commits will be performed by
+committing one file at a time.  As you go further back in time, we
+will remove DVCS support entirely, so start migrating your projects to
+CVS.
 
 @item
 To keep up with decreasing computer memory capacity and disk space, many
-other functions and files have been eliminated in Emacs 21.4.
+other functions and files have been eliminated in Emacs 22.3.
 @end itemize
 
 @ignore