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| | GNU Emacs NEWS -- history of user-visible changes.
Copyright (C) 2021 Free Software Foundation, Inc.
See the end of the file for license conditions.
Please send Emacs bug reports to 'bug-gnu-emacs@gnu.org'.
If possible, use 'M-x report-emacs-bug'.
This file is about changes in Emacs version 29.
See file HISTORY for a list of GNU Emacs versions and release dates.
See files NEWS.28, NEWS.27, ..., NEWS.18, and NEWS.1-17 for changes
in older Emacs versions.
You can narrow news to a specific version by calling 'view-emacs-news'
with a prefix argument or by typing 'C-u C-h C-n'.
Temporary note:
+++ indicates that all relevant manuals in doc/ have been updated.
--- means no change in the manuals is needed.
When you add a new item, use the appropriate mark if you are sure it
applies, and please also update docstrings as needed.
\f
* Installation Changes in Emacs 29.1
\f
* Startup Changes in Emacs 29.1
\f
* Changes in Emacs 29.1
** Help
---
*** Jumping to function/variable source now saves mark before moving point.
Jumping to source from "*Help*" buffer moves the point when the source
buffer is already open. Now, the old point is pushed to mark ring.
\f
* Editing Changes in Emacs 29.1
---
** Indentation of 'cl-flet' and 'cl-labels' has changed.
These forms now indent like this:
(cl-flet ((bla (x)
(* x x)))
(bla 42))
This change also affects 'cl-macrolet', 'cl-flet*' and
'cl-symbol-macrolet'.
+++
** New user option 'translate-upper-case-key-bindings'.
This can be set to nil to inhibit translating upper case keys to lower
case keys.
+++
** New command 'ensure-empty-lines'.
This command increases (or decreases) the number of empty lines before
point.
\f
* Changes in Specialized Modes and Packages in Emacs 29.1
** image-dired
---
*** New command for the thumbnail buffer.
The new command 'image-dired-unmark-all-marks' has been added with a
binding in the menu.
---
*** info-look specs can now be expanded at run time instead of a load time.
The new ':doc-spec-function' element can be used to compute the
':doc-spec' element when the user asks for info on that particular
mode (instead of at load time).
** subr-x
+++
*** New macro 'with-memoization' provides a very primitive form of memoization
** ansi-color.el
---
*** Support for ANSI 256-color and 24-bit colors.
256-color and 24-bit color codes are now handled by ANSI color
filters and displayed with the specified color.
** term-mode
---
*** Support for ANSI 256-color and 24-bit colors, italic and other fonts.
Term-mode can now display 256-color and 24-bit color codes. It can
also handle ANSI codes for faint, italic and blinking text, displaying
it with new 'ansi-term-faint/italic/slow-blinking/fast-blinking'
faces.
\f
* New Modes and Packages in Emacs 29.1
+++
** New mode 'erts-mode'.
This mode is used to edit files geared towards testing actions in
Emacs buffers, like indentation and the like. The new ert function
'ert-test-erts-file' is used to parse these files.
\f
* Incompatible Lisp Changes in Emacs 29.1
---
** MozRepl has been removed from js.el.
MozRepl was removed from Firefox in 2017, so this code doesn't work
with recent versions of Firefox.
\f
* Lisp Changes in Emacs 29.1
+++
** Third 'mapconcat' argument 'separator' is now optional.
An explicit nil always meant the empty string, now it can be left out.
---
** Themes can now be made obsolete.
Using 'make-obsolete' on a theme is now supported. This will make
'load-theme' issue a warning when loading the theme.
+++
** New function 'define-keymap'.
This function allows defining a number of keystrokes with one form.
+++
** New macro 'defvar-keymap'.
This macro allows defining keymap variables more conveniently.
\f
* Changes in Emacs 29.1 on Non-Free Operating Systems
\f
----------------------------------------------------------------------
This file is part of GNU Emacs.
GNU Emacs is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
GNU Emacs is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with GNU Emacs. If not, see <https://www.gnu.org/licenses/>.
\f
Local variables:
coding: utf-8
mode: outline
paragraph-separate: "[ \f]*$"
end:
|