man/anti.texi

   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.
   4
   5 @node Antinews, Mac OS, X Resources, Top
   6 @appendix Emacs 21.3 Antinews
   7
   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.
  11
  12 @itemize @bullet
  13 @item
  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
  17 build Emacs.
  18
  19 @item
  20 The file position and line number information is now at the end
  21 of the mode line.
  22
  23 @item
  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
  28 least with RCS).
  29
  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}.
  34
  35 @item
  36 Filesets are not supported.
  37
  38 @item
  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.
  42
  43 @item
  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.
  46
  47 @item
  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
  51 it cannot handle.
  52
  53 @item
  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.
  57
  58 @item
  59 Yanking now preserves all text properties that were in the killed
  60 text.  The variable @code{yank-excluded-properties} has no meaning.
  61
  62 @item
  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}.
  67
  68 @item
  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.
  72
  73 @item
  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.
  77
  78 @item
  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.
  83
  84 @item
  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
  89 argument.
  90
  91 @item
  92 @kbd{C-@key{SPC} C-@key{SPC}} has no special meaning and neither does
  93 @kbd{C-u C-x C-x}.
  94
  95 @item
  96 There is no horizontal-bar cursor.
  97
  98 @item
  99 The faces @code{minibuffer-prompt} and @code{mode-line-inactive}
 100 do not exist, and the features they control don't exist either.
 101
 102 @item
 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.
 106
 107 @item
 108 SGML mode does not handle XML syntax, and does not have indentation support.
 109
 110 @item
 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.
 114
 115 @item
 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
 118 explicitly.
 119
 120 @item
 121 The @samp{--fullwidth}, @samp{--fullheight} and @samp{--fullscreen}
 122 command line options are not supported.
 123
 124 @item
 125 The @samp{--geometry} option now entirely applies only to the initial
 126 frame.
 127
 128 @item
 129 Many commands have been removed from the menus or rearranged.
 130
 131 @item
 132 Many @code{etags} features for customizing parsing using regexps
 133 have been removed.
 134
 135 @item
 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.)
 139
 140 @item
 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
 143 one, @kbd{C-x e}.
 144
 145 @item
 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.
 148 @end itemize
 149
 150 @ignore
 151    arch-tag: 32932bd9-46f5-41b2-8a0e-fb0cc4caeb29
 152 @end ignore