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| | GNU Emacs NEWS -- history of user-visible changes.
Copyright (C) 2014-2017 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 27.
See file HISTORY for a list of GNU Emacs versions and release dates.
See files NEWS.26, NEWS.25, NEWS.24, NEWS.23, NEWS.22, NEWS.21,
NEWS.20, NEWS.19, 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 necessary documentation updates are complete.
(This means all relevant manuals in doc/ AND lisp doc-strings.)
--- means no change in the manuals is needed.
When you add a new item, use the appropriate mark if you are sure it applies,
\f
* Installation Changes in Emacs 27.1
\f
* Startup Changes in Emacs 27.1
\f
* Changes in Emacs 27.1
+++
** New function 'logcount' calculates an integer's Hamming weight.
\f
* Editing Changes in Emacs 27.1
---
** New variable 'x-wait-for-event-timeout'.
This controls how long Emacs will wait for updates to the graphical
state to take effect (making a frame visible, for example).
\f
* Changes in Specialized Modes and Packages in Emacs 27.1
** Enhanced xterm support
*** New variable 'xterm-set-window-title' controls whether Emacs
sets the XTerm window title. The default is to set the window title.
\f
* New Modes and Packages in Emacs 27.1
\f
* Incompatible Lisp Changes in Emacs 27.1
** The FILENAME argument to 'file-name-base' is now mandatory and no
longer defaults to 'buffer-file-name'.
---
** The function 'eldoc-message' now accepts a single argument.
Programs that called it with multiple arguments before should pass
them through 'format' first. Even that is discouraged: for ElDoc
support, you should set 'eldoc-documentation-function' instead of
calling 'eldoc-message' directly.
\f
* Lisp Changes in Emacs 27.1
\f
* Changes in Emacs 27.1 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:
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