1 @c This is part of the Emacs manual.
2 @c Copyright (C) 2002 Free Software Foundation, Inc.
3 @c See file emacs.texi for copying conditions.
5 @node Antinews, Mac OS, X Resources, Top
6 @appendix Emacs 21.3 Antinews
8 For those users who live backwards in time, here is information about
9 downgrading to Emacs version 21.3. We hope you will enjoy the greater
10 simplicity that results from the absence of many newer features.
14 The input methods for Emacs are included in a separate distribution
15 called ``Leim''. To use them, you must extract the Leim tar file on
16 top of the Emacs distribution, into the same directory, before you
20 The file position and line number information is now at the end
24 When a file is managed with version control, the command @kbd{C-x C-q}
25 (whose general meaning is to make a buffer read-only or writable) now
26 does so by checking the file in or out. Checking the file out makes
27 the buffer writable; checking it in makes the buffer read-only (at
30 You can still use @kbd{C-x v v} to do these operations if you wish;
31 its meaning is unchanged. If you want to control the buffer's
32 read-only flag without performing any version control operation,
33 use @kbd{M-x toggle-read-only}.
36 Filesets are not supported.
39 For simplicity, windows always have fringes. We wouldn't want
40 to in-fringe anyone's windows. Likewise, horizontal scrolling
41 always works the same automatic way.
44 When you are logged in as root, all files now give you writable
45 buffers in Emacs reflecting the fact that you can write any files.
48 Unicode support and unification between Latin-@var{n} character
49 sets have been removed. Cutting and pasting X selections does not
50 support ``extended segments'' so there are certain coding systems
54 @kbd{C-w} in an incremental search always grabs an entire word
55 into the search string. More precisely, it grabs text through
56 the next end of a word.
59 Yanking now preserves all text properties that were in the killed
60 text. The variable @code{yank-excluded-properties} has no meaning.
63 Occur mode, Info mode, and Comint-derived modes now control
64 fontification in their own way, and @kbd{M-x font-lock-mode}
65 has nothing to do with it. To control fontification in Info
66 mode, use the variable @code{Info-fontify}.
69 In Dired's @kbd{!} command, @samp{*} and @samp{?} now
70 cause substitution of the file names wherever they appear---not
71 only when they are surrounded by whitespace.
74 Minibuffer completion commands now always complete the entire
75 minibuffer contents, just as if you had typed them at the end
76 of the minibuffer, no matter where point is actually located.
79 An unquoted @samp{$} in a file name is now an error, if the following
80 name is not recognized as an environment variable. Thus,
81 the file name @file{foo$bar} would probably be an error. Meanwhile,
82 the @code{setenv} command does not expand @samp{$} at all.
85 Commands to set the mark at a place away from point, including
86 @kbd{M-@@}, @kbd{M-h}, etc., don't do anything special when you repeat
87 them. In most cases, typing these commands multiple times is
88 equivalent to using them once. @kbd{M-h} does not use its numeric
92 @kbd{C-@key{SPC} C-@key{SPC}} has no special meaning and neither does
96 There is no horizontal-bar cursor.
99 The faces @code{minibuffer-prompt} and @code{mode-line-inactive}
100 do not exist, and the features they control don't exist either.
103 The default value of @code{keyboard-coding-system} is always @code{nil}.
104 Emacs does not set it based on your locale settings.
105 If you want some other value, you must set it yourself.
108 SGML mode does not handle XML syntax, and does not have indentation support.
111 The @kbd{C-h} subcommands have been rearranged--especially those that
112 display specific files. Type @kbd{C-h C-h} to see a list of these
113 commands; that will show you what is different.
116 Emacs does not read @file{~/.abbrev_defs} automatically; if you want
117 to load abbrev definitions from a file, you must always do so
121 The @samp{--fullwidth}, @samp{--fullheight} and @samp{--fullscreen}
122 command line options are not supported.
125 The @samp{--geometry} option now entirely applies only to the initial
129 Many commands have been removed from the menus or rearranged.
132 Many @code{etags} features for customizing parsing using regexps
136 The CUA, ido, table, tramp, reveal, ruler-mode, and ibuffer packages
137 have been removed. So has the spreadsheet, SES, and the algebraic
138 calculator, Calc. (We distribute Calc separately.)
141 The kmacro package has been removed. To start a keyboard macro you
142 must use @kbd{C-x (}; to end one, @kbd{C-x )}; to execute the last
146 To keep up with decreasing computer memory capacity and disk space, many
147 other functions and files have been eliminated in Emacs 21.3.