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Mattias Engdegård 6157e3e4bc Extend ignored-return-value warning to more functions (bug#61730) 
Warn when the return value of certain functions is unused.  Previously
this was only done for side-effect-free functions, and for `mapcar`.

These are functions where the return value is important for correct
usage or where ignoring it is likely to indicate a mistake.  The exact
set of functions is tentative and will be modified as we gain a better
understanding of which ones to include.

The current set comprises higher order functions such as `mapcar`
which are not primarily called for the effects of their function
arguments, and list-mutating functions like `nreverse` whose return
value is essential.

* lisp/emacs-lisp/bytecomp.el (byte-compile-form): Add list of
functions to warn about when their value is ignored.
* etc/NEWS: Announce.
2023-04-09 18:23:05 +02:00
..
charsets ; Add 2023 to copyright years. 2023-01-01 05:31:12 -05:00
e Implement alternative sub-buffer support in term.el 2022-01-24 20:02:33 +01:00
forms ; Add 2023 to copyright years. 2023-01-01 05:31:12 -05:00
gnus
images Improve portability of newly added icons 2023-04-03 16:16:06 +08:00
nxml Update nXML to use Emacs's Unicode support, and lexical-binding 2016-01-15 10:29:20 -05:00
org ; Add 2023 to copyright years. 2023-01-01 05:31:12 -05:00
refcards Merge from origin/emacs-29 2023-04-06 14:38:20 -04:00
schema ; Add 2023 to copyright years. 2023-01-01 05:31:12 -05:00
srecode ; Add 2023 to copyright years. 2023-01-01 05:31:12 -05:00
themes Update Modus themes to version 4.1.0 2023-02-22 20:00:13 +02:00
tutorials ; Add 2023 to copyright years. 2023-01-01 05:31:12 -05:00
AUTHORS Merge from origin/emacs-29 2023-02-21 09:44:57 +01:00
CALC-NEWS ; Add 2023 to copyright years. 2023-01-01 05:31:12 -05:00
ChangeLog.1 ; Add 2023 to copyright years. 2023-01-01 05:31:12 -05:00
compilation.txt Tighten and simplify typescript compilation-mode regexps (bug#61104) 2023-02-06 17:47:00 +01:00
COPYING Merge from Gnulib 2017-10-01 18:31:10 -07:00
DEBUG Merge from origin/emacs-29 2023-01-01 05:47:47 -05:00
DEVEL.HUMOR ; * etc/DEVEL.HUMOR: Add a recent joke. 2022-02-11 10:15:20 +02:00
DISTRIB ; Add 2023 to copyright years. 2023-01-01 05:31:12 -05:00
edt-user.el ; Add 2023 to copyright years. 2023-01-01 05:31:12 -05:00
EGLOT-NEWS Eglot: Bump to 1.14 2023-04-03 01:40:30 +01:00
emacs-buffer.gdb ; Add 2023 to copyright years. 2023-01-01 05:31:12 -05:00
emacs-mail.desktop Hide emacs-mail.desktop, emacsclient-mail.desktop from menus 2021-07-02 13:09:18 +02:00
emacs.desktop Drop redundant keywords in .desktop files. 2021-08-11 14:05:25 +02:00
emacs.icon
emacs.metainfo.xml ; Add 2023 to copyright years. 2023-01-01 05:31:12 -05:00
emacs.service * etc/emacs.service: 2020-12-14 17:59:58 +01:00
emacs_lldb.py ; Add 2023 to copyright years. 2023-01-01 05:31:12 -05:00
emacsclient-mail.desktop Avoid using bash in the emacsclient desktop file 2023-03-08 19:37:27 +01:00
emacsclient.desktop Fix quoted argument in emacsclient-mail.desktop Exec key 2022-12-24 09:19:40 +02:00
enriched.txt ; Add 2023 to copyright years. 2023-01-01 05:31:12 -05:00
ERC-NEWS * etc/ERC-NEWS: Add section for ERC 5.6. 2023-04-08 14:23:51 -07:00
ETAGS.EBNF ; Add 2023 to copyright years. 2023-01-01 05:31:12 -05:00
ETAGS.README ; Add 2023 to copyright years. 2023-01-01 05:31:12 -05:00
future-bug
gnus-tut.txt ; Add 2023 to copyright years. 2023-01-01 05:31:12 -05:00
grep.txt ; Add 2023 to copyright years. 2023-01-01 05:31:12 -05:00
HELLO ; Add 2023 to copyright years. 2023-01-01 05:31:12 -05:00
HISTORY Update HISTORY for Emacs 28.3 2023-02-17 11:22:19 +01:00
JOKES
MACHINES ; Add 2023 to copyright years. 2023-01-01 05:31:12 -05:00
MH-E-NEWS ; Add 2023 to copyright years. 2023-01-01 05:31:12 -05:00
NEWS Extend ignored-return-value warning to more functions (bug#61730) 2023-04-09 18:23:05 +02:00
NEWS.1-17 ; Add 2023 to copyright years. 2023-01-01 05:31:12 -05:00
NEWS.18 ; Add 2023 to copyright years. 2023-01-01 05:31:12 -05:00
NEWS.19 ; Add 2023 to copyright years. 2023-01-01 05:31:12 -05:00
NEWS.20 ; Add 2023 to copyright years. 2023-01-01 05:31:12 -05:00
NEWS.21 ; Add 2023 to copyright years. 2023-01-01 05:31:12 -05:00
NEWS.22 ; Add 2023 to copyright years. 2023-01-01 05:31:12 -05:00
NEWS.23 ; Add 2023 to copyright years. 2023-01-01 05:31:12 -05:00
NEWS.24 ; Add 2023 to copyright years. 2023-01-01 05:31:12 -05:00
NEWS.25 ; Add 2023 to copyright years. 2023-01-01 05:31:12 -05:00
NEWS.26 ; Add 2023 to copyright years. 2023-01-01 05:31:12 -05:00
NEWS.27 ; Add 2023 to copyright years. 2023-01-01 05:31:12 -05:00
NEWS.28 ; Add 2023 to copyright years. 2023-01-01 05:31:12 -05:00
NEWS.29 Merge from origin/emacs-29 2023-04-06 14:38:20 -04:00
NEXTSTEP ; Add 2023 to copyright years. 2023-01-01 05:31:12 -05:00
NXML-NEWS ; Add 2023 to copyright years. 2023-01-01 05:31:12 -05:00
ORG-NEWS Update to Org 9.6.1-48-g92471e 2023-03-18 21:41:22 -04:00
org.gnu.emacs.defaults.gschema.xml ; Add 2023 to copyright years. 2023-01-01 05:31:12 -05:00
package-keyring.gpg * etc/package-keyring.gpg: Update with new key 2022-12-28 12:19:02 -05:00
PROBLEMS Merge commit '1bc9dfc5bee' 2023-03-27 17:14:27 -04:00
ps-prin0.ps ; Add 2023 to copyright years. 2023-01-01 05:31:12 -05:00
ps-prin1.ps ; Add 2023 to copyright years. 2023-01-01 05:31:12 -05:00
publicsuffix.txt Update publicsuffix.txt from upstream 2023-04-01 06:00:47 +02:00
README ; Add 2023 to copyright years. 2023-01-01 05:31:12 -05:00
rgb.txt
ses-example.ses ; Add 2023 to copyright years. 2023-01-01 05:31:12 -05:00
spook.lines Add more spook.lines 2019-07-13 05:09:45 +02:00
TERMS ; Add 2023 to copyright years. 2023-01-01 05:31:12 -05:00
TODO ; Add 2023 to copyright years. 2023-01-01 05:31:12 -05:00
w32-feature.el ; Add 2023 to copyright years. 2023-01-01 05:31:12 -05:00
yow.lines Prefer straight quoting in some etc text files 2015-08-26 14:09:07 -07:00

README 

This directory contains the architecture-independent files used by or
with Emacs.  This includes some text files of documentation for GNU
Emacs or of interest to Emacs users, and the file of dumped docstrings
for Emacs functions and variables.

COPYRIGHT AND LICENSE INFORMATION FOR IMAGE FILES

File: emacs.icon
  Author: Sun Microsystems, Inc
  Copyright (C) 1999, 2001-2023 Free Software Foundation, Inc.
  License: GNU General Public License version 3 or later (see COPYING)