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Remove some references to "in Emacs 21 or later"

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* doc/misc/efaq.texi (Colors on a TTY, Disabling backups)
(Errors with init files, Backspace invokes help)
(Backspace invokes help): Remove some references to "in Emacs 21 or
later".  Now everyone can be assumed to use at least that version.
This commit is contained in:
Stefan Kangas 2020-10-15 15:00:05 +02:00
parent 519e23d727
commit 0f3bdd577e
1 changed files with 21 additions and 23 deletions
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doc/misc/efaq.texi
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@ -1525,13 +1525,12 @@ customize, with completion.
@cindex Syntax highlighting on a TTY
@cindex Console, colors
In Emacs 21.1 and later, colors and faces are supported in non-windowed mode,
i.e., on Unix and GNU/Linux text-only terminals and consoles, and when
invoked as @samp{emacs -nw} on X, and MS-Windows. (Colors and faces were
supported in the MS-DOS port since Emacs 19.29.) Emacs automatically
detects color support at startup and uses it if available. If you think
that your terminal supports colors, but Emacs won't use them, check the
@code{termcap} entry for your display type for color-related
Colors and faces are supported in non-windowed mode, i.e., on Unix and
GNU/Linux text-only terminals and consoles, and when invoked as
@samp{emacs -nw} on X, MS-DOS and MS-Windows. Emacs automatically
detects color support at startup and uses it if available. If you
think that your terminal supports colors, but Emacs won't use them,
check the @code{termcap} entry for your display type for color-related
capabilities.
The command @kbd{M-x list-colors-display} pops up a window which
@ -2540,12 +2539,12 @@ To disable or change the way backups are made,
@pxref{Backup Names,,, emacs, The GNU Emacs Manual}.
@cindex Backup files in a single directory
Beginning with Emacs 21.1, you can control where Emacs puts backup files
by customizing the variable @code{backup-directory-alist}. This
variable's value specifies that files whose names match specific patters
should have their backups put in certain directories. A typical use is
to add the element @code{("." . @var{dir})} to force Emacs to put
@strong{all} backup files in the directory @file{dir}.
You can control where Emacs puts backup files by customizing the
variable @code{backup-directory-alist}. This variable's value
specifies that files whose names match specific patters should have
their backups put in certain directories. A typical use is to add the
element @code{("." . @var{dir})} to force Emacs to put @strong{all}
backup files in the directory @file{dir}.
@node Disabling auto-save-mode
@section How do I disable @code{auto-save-mode}?
@ -3054,7 +3053,7 @@ if ("$term" == emacs) set term=dumb
@cindex Debugging @file{.emacs} file
An error occurred while loading either your @file{.emacs} file or the
system-wide file @file{site-lisp/default.el}. Emacs 21.1 and later pops the
system-wide file @file{site-lisp/default.el}. Emacs pops the
@file{*Messages*} buffer, and puts there some additional information
about the error, to provide some hints for debugging.
@ -3869,12 +3868,11 @@ You may be able to get a keyboard that is completely programmable, or a
terminal emulator that supports remapping of any key to any other key.
@item
With Emacs 21.1 and later, you can control the effect of the
@key{Backspace} and @key{Delete} keys, on both dumb terminals and a
windowed displays, by customizing the option
@code{normal-erase-is-backspace-mode}, or by invoking @kbd{M-x
normal-erase-is-backspace}. See the documentation of these symbols
(@pxref{Emacs Lisp documentation}) for more info.
You can control the effect of the @key{Backspace} and @key{Delete}
keys, on both dumb terminals and a windowed displays, by customizing
the option @code{normal-erase-is-backspace-mode}, or by invoking
@kbd{M-x normal-erase-is-backspace}. See the documentation of these
symbols (@pxref{Emacs Lisp documentation}) for more info.
@item
It is possible to swap the @key{Backspace} and @key{DEL} keys inside
@ -3925,9 +3923,9 @@ many modes that have local bindings of @key{DEL} that will interfere.
@end itemize
When Emacs 21 or later runs on a windowed display, it binds the
@key{Delete} key to a command which deletes the character at point, to
make Emacs more consistent with keyboard operation on these systems.
When Emacs runs on a windowed display, it binds the @key{Delete} key
to a command which deletes the character at point, to make Emacs more
consistent with keyboard operation on these systems.
For more information about troubleshooting this problem, see @ref{DEL
Does Not Delete, , If @key{DEL} Fails to Delete, emacs, The GNU Emacs