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bug#65819: 29.1; Incorrect description about return value


From: Ikumi Keita
Subject: bug#65819: 29.1; Incorrect description about return value
Date: Fri, 08 Sep 2023 19:10:55 +0900

The elisp reference info node `(elisp) Motion by Indent' states that
`backward-to-indentation' and `forward-to-indentation' return nil.
However, they actually return non-nil value.

Either the description in the elisp reference or the implementaion of
the commands should be corrected.

,----[ (elisp) Motion by Indent ]
|  -- Command: backward-to-indentation &optional arg
|      This command moves point backward ARG lines and then to the first
|      nonblank character on that line.  It returns ‘nil’.  If ARG is
|      omitted or ‘nil’, it defaults to 1.
| 
|  -- Command: forward-to-indentation &optional arg
|      This command moves point forward ARG lines and then to the first
|      nonblank character on that line.  It returns ‘nil’.  If ARG is
|      omitted or ‘nil’, it defaults to 1.
`----
,----[ simple.el ]
| (defun forward-to-indentation (&optional arg)
|   "Move forward ARG lines and position at first nonblank character."
|   (interactive "^p")
|   (forward-line (or arg 1))
|   (skip-chars-forward " \t"))
| 
| (defun backward-to-indentation (&optional arg)
|   "Move backward ARG lines and position at first nonblank character."
|   (interactive "^p")
|   (forward-line (- (or arg 1)))
|   (skip-chars-forward " \t"))
`----

Regards,
Ikumi Keita
#StandWithUkraine #StopWarInUkraine



In GNU Emacs 29.1 (build 1, x86_64-unknown-freebsd13.2, GTK+ Version
3.24.34, cairo version 1.17.4)
Windowing system distributor 'The X.Org Foundation', version 11.0.12101008
System Description: 13.2-RELEASE-p2

Configured using:
 'configure --with-canna --with-canna-includes=/usr/local/canna/include
--with-canna-libraries=/usr/local/canna/lib --without-xim
--disable-largefile --without-modules --with-sound=yes
--with-file-notification=yes --disable-build-details
--localstatedir=/var --without-gconf --without-libsystemd
--without-selinux CFLAGS=-O3'

Configured features:
ACL CAIRO DBUS FREETYPE GIF GLIB GNUTLS GSETTINGS HARFBUZZ JPEG JSON
LCMS2 LIBXML2 NOTIFY KQUEUE PDUMPER PNG RSVG SOUND SQLITE3 THREADS TIFF
TOOLKIT_SCROLL_BARS WEBP X11 XDBE XIM XINPUT2 XPM GTK3 ZLIB

Important settings:
  value of $EMACSLOADPATH: /home/keita/elisp:
  value of $LANG: ja_JP.UTF-8
  locale-coding-system: utf-8-unix

Major mode: MH-Folder

Minor modes in effect:
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  magit-auto-revert-mode: t
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  buffer-read-only: t
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  indent-tabs-mode: t
  transient-mark-mode: t
  auto-composition-mode: t
  auto-encryption-mode: t
  auto-compression-mode: t

Load-path shadows:
/home/keita/.emacs.d/elpa/transient-20230825.2019/transient hides 
/usr/local/share/emacs/29.1/lisp/transient
/home/keita/elisp/reftex-parse hides 
/usr/local/share/emacs/29.1/lisp/textmodes/reftex-parse
/home/keita/.emacs.d/elpa/soap-client-3.2.3/soap-inspect hides 
/usr/local/share/emacs/29.1/lisp/net/soap-inspect
/home/keita/.emacs.d/elpa/soap-client-3.2.3/soap-client hides 
/usr/local/share/emacs/29.1/lisp/net/soap-client

Features:
(shadow mh-identity mh-comp emacsbug jka-compr pp cl-print help-fns
radix-tree mule-util mh-search mh-letter flow-fill smiley qp mm-archive
mail-extr mh-mime mh-gnus mh-alias mh-show goto-addr gnus-cite gnus-art
mm-uu mml2015 mm-view mml-smime smime gnutls dig gnus-sum shr pixel-fill
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git-commit rx log-edit message sendmail yank-media puny dired
dired-loaddefs rfc822 mml mml-sec epa derived epg rfc6068 epg-config
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mail-parse rfc2231 rfc2047 rfc2045 mm-util ietf-drums mail-prsvr
mailabbrev mail-utils gmm-utils mailheader pcvs-util add-log magit-core
magit-autorevert autorevert filenotify magit-margin magit-transient
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compat preview-latex tex-site canna-im magit-autoloads pcase
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Memory information:
((conses 16 374913 42593)
 (symbols 48 26057 0)
 (strings 32 100327 10777)
 (string-bytes 1 3053530)
 (vectors 16 59138)
 (vector-slots 8 1060113 98331)
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 (intervals 56 17879 33)
 (buffers 976 32))





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