Remove some doc references to old Emacs versions

* doc/misc/efaq.texi (Horizontal scrolling): Remove section
only relevant to Emacs 21 or older.
(Repeating commands, Editing MS-DOS files):
* lisp/progmodes/gdb-mi.el:
* lisp/woman.el: Doc fix - remove some references to Emacs 20 and older.
This commit is contained in:
Stefan Kangas 2020-01-18 19:53:01 +01:00
parent 4217bc229b
commit f3d30b5303
3 changed files with 8 additions and 26 deletions

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@ -1440,7 +1440,6 @@ of files from Macintosh, Microsoft, and Unix platforms.
* Compiler error messages::
* Indenting switch statements::
* Customizing C and C++ indentation::
* Horizontal scrolling::
* Overwrite mode::
* Turning off beeping::
* Turning the volume down::
@ -2123,23 +2122,6 @@ Java sources, etc. If you want the same customizations to be in
effect in @emph{all} languages supported by @code{cc-mode}, use
@code{c-mode-common-hook}.
@node Horizontal scrolling
@section How can I make Emacs automatically scroll horizontally?
@cindex @code{hscroll-mode}
@cindex Horizontal scrolling
@cindex Scrolling horizontally
In Emacs 21 and later, this is on by default: if the variable
@code{truncate-lines} is non-@code{nil} in the current buffer, Emacs
automatically scrolls the display horizontally when point moves off the
left or right edge of the window.
Note that this is overridden by the variable
@code{truncate-partial-width-windows} if that variable is non-@code{nil}
and the current buffer is not full-frame width.
In Emacs 20, use @code{hscroll-mode}.
@node Overwrite mode
@section How do I make Emacs ``typeover'' or ``overwrite'' instead of inserting?
@cindex @key{Insert}
@ -2305,9 +2287,9 @@ to investigate @file{cpp.el}, which is distributed with Emacs.
@cindex Commands, repeating many times
@cindex @code{.}, equivalent to @code{vi} command
As of Emacs 20.3, there is indeed a @code{repeat} command (@kbd{C-x z})
that repeats the last command. If you preface it with a prefix
argument, the prefix arg is applied to the command.
Use the @code{repeat} command (@kbd{C-x z}) to repeat the last
command. If you preface it with a prefix argument, the prefix arg is
applied to the command.
You can also type @kbd{C-x @key{ESC} @key{ESC}}
(@code{repeat-complex-command}) to reinvoke commands that used the
@ -2821,9 +2803,9 @@ Alternatively, use the following Lisp form in your @file{.emacs}:
@cindex Microsoft files, editing
@cindex Windows files, editing
As of Emacs 20, detection and handling of MS-DOS (and Windows) files is
performed transparently. You can open MS-DOS files on a Unix system,
edit it, and save it without having to worry about the file format.
Detection and handling of MS-DOS (and Windows) files is performed
transparently. You can open MS-DOS files on a Unix system, edit it,
and save it without having to worry about the file format.
When editing an MS-DOS style file, the mode line will indicate that it
is a DOS file. On Unix and GNU/Linux systems, and also on a Macintosh,

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@ -37,7 +37,7 @@
;; buffers which control the execution and describe the state of your program.
;; It separates the input/output of your program from that of GDB and displays
;; expressions and their current values in their own buffers. It also uses
;; features of Emacs 21 such as the fringe/display margin for breakpoints, and
;; features such as the fringe/display margin for breakpoints, and
;; the toolbar (see the GDB Graphical Interface section in the Emacs info
;; manual).

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@ -138,7 +138,7 @@
;; Customization, Hooks and Imenu
;; ==============================
;; WoMan supports the GNU Emacs 20+ customization facility, and puts
;; WoMan supports the GNU Emacs customization facility, and puts
;; a customization group called `WoMan' in the `Help' group under the
;; top-level `Emacs' group. In order to be able to customize WoMan
;; without first loading it, add the following sexp to your .emacs: