GNU logs - #78156, boring messages

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Subject: bug#78156: 31.0.50; 3.2 Install a Function Definition
Resent-From: badli al rashid <theothernighttheotherday@HIDDEN>
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--000000000000baef270633f8a682
Content-Type: text/plain; charset="UTF-8"

--text follows this line--
From the elisp intro book, 3.2 Install a Function Definition.
An error occur when installing / running (C-x C-e) the function below

     (defun multiply-by-seven (number)
       "Multiply NUMBER by seven."
       (* 7 number))


Debugger entered--Lisp error: (void-variable number)
  (* 7 number)
  (progn (* 7 number))
  eval((progn (* 7 number)) t)
  elisp--eval-last-sexp(nil)
  #f(compiled-function () #<bytecode 0x18675df5af7f>)()
  handler-bind-1(#f(compiled-function () #<bytecode 0x18675df5af7f>)
(error) eval-expression--debug)
  eval-last-sexp(nil)
  funcall-interactively(eval-last-sexp nil)
  call-interactively(eval-last-sexp nil nil)
  command-execute(eval-last-sexp)
  recursive-edit()
  debug(error (void-variable definition.) :backtrace-base
eval-expression--debug)
  eval-expression--debug((void-variable definition.))
  (progn definition.)
  eval((progn definition.) t)
  elisp--eval-last-sexp(nil)
  #f(compiled-function () #<bytecode 0x18675df5af7f>)()
  handler-bind-1(#f(compiled-function () #<bytecode 0x18675df5af7f>)
(error) eval-expression--debug)
  eval-last-sexp(nil)
  funcall-interactively(eval-last-sexp nil)
  call-interactively(eval-last-sexp nil nil)
  command-execute(eval-last-sexp)
  recursive-edit()
  debug(error (void-variable number) :backtrace-base eval-expression--debug)
  eval-expression--debug((void-variable number))
  (* 7 number)
  (progn (* 7 number))
  eval((progn (* 7 number)) t)
  elisp--eval-last-sexp(nil)
  #f(compiled-function () #<bytecode 0x18675df5af7f>)()
  handler-bind-1(#f(compiled-function () #<bytecode 0x18675df5af7f>)
(error) eval-expression--debug)
  eval-last-sexp(nil)
  funcall-interactively(eval-last-sexp nil)
  call-interactively(eval-last-sexp nil nil)
  command-execute(eval-last-sexp)


In GNU Emacs 31.0.50 (build 1, aarch64-unknown-linux-android21) of
 2025-04-29 built on xeon
Repository revision: 825ea052ad5638c056037c4cac92c9e666dc3820
Windowing system distributor 'Xiaomi', version 34.0.0
System Description:
Redmi/sunstone_global/sunstone:14/UKQ1.240624.001/OS2.0.1.0.UMQMIXM:user/release-keys

Configured using:
 'configure --with-png=yes --with-webp=yes --with-gif=yes
 --with-jpeg=yes --with-xml2=yes --with-sqlite3=yes --with-gnutls=yes
 --with-tiff=yes --with-selinux=yes --with-modules=yes
 --with-tree-sitter=yes --with-imagemagick=no --with-lcms2=yes
 --with-mailutils= --with-pop=no-by-default --with-harfbuzz=yes
 --with-threads=yes --with-rsvg=yes --enable-check-lisp-object-type=
 --cache-file=config_cache.1 'CFLAGS=-O2
 -Werror=implicit-function-declaration''

Configured features:
GIF GLIB GMP GNUTLS HARFBUZZ JPEG LIBSELINUX LIBXML2 MODULES NOTIFY
INOTIFY PDUMPER PNG RSVG SECCOMP SQLITE3 THREADS TIFF TREE_SITTER WEBP
ZLIB

Important settings:
  value of $LANG: en_GB.UTF8
  locale-coding-system: utf-8-unix

Major mode: Debugger

Minor modes in effect:
  tooltip-mode: t
  global-eldoc-mode: t
  eldoc-mode: t
  show-paren-mode: t
  electric-indent-mode: t
  mouse-wheel-mode: t
  modifier-bar-mode: t
  tool-bar-mode: t
  menu-bar-mode: t
  file-name-shadow-mode: t
  global-font-lock-mode: t
  font-lock-mode: t
  blink-cursor-mode: t
  minibuffer-regexp-mode: t
  buffer-read-only: t
  column-number-mode: t
  line-number-mode: t
  indent-tabs-mode: t
  transient-mark-mode: t
  auto-composition-mode: t
  auto-encryption-mode: t
  auto-compression-mode: t

Load-path shadows:
~/Documents/packages/rainbow/rainbow-delimiters hides
/data/data/org.gnu.emacs/files/.emacs.d/elpa/rainbow-delimiters-2.1.5/rainbow-delimiters

Features:
(shadow sort mail-extr emacsbug lisp-mnt message yank-media puny dired
dired-loaddefs rfc822 mml mml-sec epa derived epg rfc6068 epg-config
gnus-util text-property-search mm-decode mm-bodies mm-encode mail-parse
rfc2231 mailabbrev gmm-utils mailheader sendmail rfc2047 rfc2045
ietf-drums mm-util mail-prsvr mail-utils ielm pp comint ansi-osc
ansi-color ring kmacro thingatpt vc-git diff-mode track-changes files-x
vc-dispatcher elec-pair face-remap help-fns radix-tree cl-print debug
backtrace help-mode find-func time-date mule-util info
display-line-numbers init finder-inf rainbow-delimiters easy-mmode
rainbow-delimiters-autoloads package browse-url xdg url url-proxy
url-privacy url-expand url-methods url-history url-cookie
generate-lisp-file url-domsuf url-util mailcap url-handlers url-parse
auth-source cl-seq eieio eieio-core cl-macs icons password-cache json
subr-x map byte-opt gv bytecomp byte-compile url-vars cl-loaddefs cl-lib
rmc iso-transl tooltip cus-start cconv eldoc paren electric uniquify
ediff-hook vc-hooks lisp-float-type elisp-mode mwheel android-win
term/common-win touch-screen ls-lisp tool-bar dnd fontset image
regexp-opt fringe tabulated-list replace newcomment text-mode lisp-mode
prog-mode register page tab-bar menu-bar rfn-eshadow isearch easymenu
timer select scroll-bar mouse jit-lock font-lock syntax font-core
term/tty-colors frame minibuffer nadvice seq simple cl-generic
indonesian philippine cham georgian utf-8-lang misc-lang vietnamese
tibetan thai tai-viet lao korean japanese eucjp-ms cp51932 hebrew greek
romanian slovak czech european ethiopic indian cyrillic chinese
composite emoji-zwj charscript charprop case-table epa-hook
jka-cmpr-hook help abbrev obarray oclosure cl-preloaded button loaddefs
theme-loaddefs faces cus-face macroexp files window text-properties
overlay sha1 md5 base64 format env code-pages mule custom widget keymap
hashtable-print-readable backquote threads inotify dynamic-setting
android multi-tty move-toolbar make-network-process tty-child-frames
emacs)

Memory information:
((conses 16 125782 40750) (symbols 48 10611 0) (strings 32 34048 1974)
 (string-bytes 1 800690) (vectors 16 20310)
 (vector-slots 8 196436 9107) (floats 8 51 153) (intervals 56 4321 0)
 (buffers 992 18))


Sent from Gmail

--000000000000baef270633f8a682
Content-Type: text/html; charset="UTF-8"
Content-Transfer-Encoding: quoted-printable

<div dir=3D"auto"><div><div dir=3D"auto"><br></div><div dir=3D"auto"><br></=
div><div dir=3D"auto">--text follows this line--</div><div dir=3D"auto">Fro=
m the elisp intro book,=C2=A03.2 Install a Function Definition.</div><div d=
ir=3D"auto">An error occur when installing / running (C-x C-e) the function=
 below</div><div dir=3D"auto"><br></div><div dir=3D"auto"><div dir=3D"auto"=
>=C2=A0 =C2=A0 =C2=A0(defun multiply-by-seven (number)</div><div dir=3D"aut=
o">=C2=A0 =C2=A0 =C2=A0 =C2=A0&quot;Multiply NUMBER by seven.&quot;</div><d=
iv dir=3D"auto">=C2=A0 =C2=A0 =C2=A0 =C2=A0(* 7 number))</div><div dir=3D"a=
uto"><br></div></div><div dir=3D"auto"><br></div><div dir=3D"auto">Debugger=
 entered--Lisp error: (void-variable number)</div><div dir=3D"auto">=C2=A0 =
(* 7 number)</div><div dir=3D"auto">=C2=A0 (progn (* 7 number))</div><div d=
ir=3D"auto">=C2=A0 eval((progn (* 7 number)) t)</div><div dir=3D"auto">=C2=
=A0 elisp--eval-last-sexp(nil)</div><div dir=3D"auto">=C2=A0 #f(compiled-fu=
nction () #&lt;bytecode 0x18675df5af7f&gt;)()</div><div dir=3D"auto">=C2=A0=
 handler-bind-1(#f(compiled-function () #&lt;bytecode 0x18675df5af7f&gt;) (=
error) eval-expression--debug)</div><div dir=3D"auto">=C2=A0 eval-last-sexp=
(nil)</div><div dir=3D"auto">=C2=A0 funcall-interactively(eval-last-sexp ni=
l)</div><div dir=3D"auto">=C2=A0 call-interactively(eval-last-sexp nil nil)=
</div><div dir=3D"auto">=C2=A0 command-execute(eval-last-sexp)</div><div di=
r=3D"auto">=C2=A0 recursive-edit()</div><div dir=3D"auto">=C2=A0 debug(erro=
r (void-variable definition.) :backtrace-base eval-expression--debug)</div>=
<div dir=3D"auto">=C2=A0 eval-expression--debug((void-variable definition.)=
)</div><div dir=3D"auto">=C2=A0 (progn definition.)</div><div dir=3D"auto">=
=C2=A0 eval((progn definition.) t)</div><div dir=3D"auto">=C2=A0 elisp--eva=
l-last-sexp(nil)</div><div dir=3D"auto">=C2=A0 #f(compiled-function () #&lt=
;bytecode 0x18675df5af7f&gt;)()</div><div dir=3D"auto">=C2=A0 handler-bind-=
1(#f(compiled-function () #&lt;bytecode 0x18675df5af7f&gt;) (error) eval-ex=
pression--debug)</div><div dir=3D"auto">=C2=A0 eval-last-sexp(nil)</div><di=
v dir=3D"auto">=C2=A0 funcall-interactively(eval-last-sexp nil)</div><div d=
ir=3D"auto">=C2=A0 call-interactively(eval-last-sexp nil nil)</div><div dir=
=3D"auto">=C2=A0 command-execute(eval-last-sexp)</div><div dir=3D"auto">=C2=
=A0 recursive-edit()</div><div dir=3D"auto">=C2=A0 debug(error (void-variab=
le number) :backtrace-base eval-expression--debug)</div><div dir=3D"auto">=
=C2=A0 eval-expression--debug((void-variable number))</div><div dir=3D"auto=
">=C2=A0 (* 7 number)</div><div dir=3D"auto">=C2=A0 (progn (* 7 number))</d=
iv><div dir=3D"auto">=C2=A0 eval((progn (* 7 number)) t)</div><div dir=3D"a=
uto">=C2=A0 elisp--eval-last-sexp(nil)</div><div dir=3D"auto">=C2=A0 #f(com=
piled-function () #&lt;bytecode 0x18675df5af7f&gt;)()</div><div dir=3D"auto=
">=C2=A0 handler-bind-1(#f(compiled-function () #&lt;bytecode 0x18675df5af7=
f&gt;) (error) eval-expression--debug)</div><div dir=3D"auto">=C2=A0 eval-l=
ast-sexp(nil)</div><div dir=3D"auto">=C2=A0 funcall-interactively(eval-last=
-sexp nil)</div><div dir=3D"auto">=C2=A0 call-interactively(eval-last-sexp =
nil nil)</div><div dir=3D"auto">=C2=A0 command-execute(eval-last-sexp)</div=
><div dir=3D"auto"><br></div><div dir=3D"auto"><br></div><div dir=3D"auto">=
In GNU Emacs 31.0.50 (build 1, aarch64-unknown-linux-android21) of</div><di=
v dir=3D"auto">=C2=A02025-04-29 built on xeon</div><div dir=3D"auto">Reposi=
tory revision: 825ea052ad5638c056037c4cac92c9e666dc3820</div><div dir=3D"au=
to">Windowing system distributor &#39;Xiaomi&#39;, version 34.0.0</div><div=
 dir=3D"auto">System Description: Redmi/sunstone_global/sunstone:14/UKQ1.24=
0624.001/OS2.0.1.0.UMQMIXM:user/release-keys</div><div dir=3D"auto"><br></d=
iv><div dir=3D"auto">Configured using:</div><div dir=3D"auto">=C2=A0&#39;co=
nfigure --with-png=3Dyes --with-webp=3Dyes --with-gif=3Dyes</div><div dir=
=3D"auto">=C2=A0--with-jpeg=3Dyes --with-xml2=3Dyes --with-sqlite3=3Dyes --=
with-gnutls=3Dyes</div><div dir=3D"auto">=C2=A0--with-tiff=3Dyes --with-sel=
inux=3Dyes --with-modules=3Dyes</div><div dir=3D"auto">=C2=A0--with-tree-si=
tter=3Dyes --with-imagemagick=3Dno --with-lcms2=3Dyes</div><div dir=3D"auto=
">=C2=A0--with-mailutils=3D --with-pop=3Dno-by-default --with-harfbuzz=3Dye=
s</div><div dir=3D"auto">=C2=A0--with-threads=3Dyes --with-rsvg=3Dyes --ena=
ble-check-lisp-object-type=3D</div><div dir=3D"auto">=C2=A0--cache-file=3Dc=
onfig_cache.1 &#39;CFLAGS=3D-O2</div><div dir=3D"auto">=C2=A0-Werror=3Dimpl=
icit-function-declaration&#39;&#39;</div><div dir=3D"auto"><br></div><div d=
ir=3D"auto">Configured features:</div><div dir=3D"auto">GIF GLIB GMP GNUTLS=
 HARFBUZZ JPEG LIBSELINUX LIBXML2 MODULES NOTIFY</div><div dir=3D"auto">INO=
TIFY PDUMPER PNG RSVG SECCOMP SQLITE3 THREADS TIFF TREE_SITTER WEBP</div><d=
iv dir=3D"auto">ZLIB</div><div dir=3D"auto"><br></div><div dir=3D"auto">Imp=
ortant settings:</div><div dir=3D"auto">=C2=A0 value of $LANG: en_GB.UTF8</=
div><div dir=3D"auto">=C2=A0 locale-coding-system: utf-8-unix</div><div dir=
=3D"auto"><br></div><div dir=3D"auto">Major mode: Debugger</div><div dir=3D=
"auto"><br></div><div dir=3D"auto">Minor modes in effect:</div><div dir=3D"=
auto">=C2=A0 tooltip-mode: t</div><div dir=3D"auto">=C2=A0 global-eldoc-mod=
e: t</div><div dir=3D"auto">=C2=A0 eldoc-mode: t</div><div dir=3D"auto">=C2=
=A0 show-paren-mode: t</div><div dir=3D"auto">=C2=A0 electric-indent-mode: =
t</div><div dir=3D"auto">=C2=A0 mouse-wheel-mode: t</div><div dir=3D"auto">=
=C2=A0 modifier-bar-mode: t</div><div dir=3D"auto">=C2=A0 tool-bar-mode: t<=
/div><div dir=3D"auto">=C2=A0 menu-bar-mode: t</div><div dir=3D"auto">=C2=
=A0 file-name-shadow-mode: t</div><div dir=3D"auto">=C2=A0 global-font-lock=
-mode: t</div><div dir=3D"auto">=C2=A0 font-lock-mode: t</div><div dir=3D"a=
uto">=C2=A0 blink-cursor-mode: t</div><div dir=3D"auto">=C2=A0 minibuffer-r=
egexp-mode: t</div><div dir=3D"auto">=C2=A0 buffer-read-only: t</div><div d=
ir=3D"auto">=C2=A0 column-number-mode: t</div><div dir=3D"auto">=C2=A0 line=
-number-mode: t</div><div dir=3D"auto">=C2=A0 indent-tabs-mode: t</div><div=
 dir=3D"auto">=C2=A0 transient-mark-mode: t</div><div dir=3D"auto">=C2=A0 a=
uto-composition-mode: t</div><div dir=3D"auto">=C2=A0 auto-encryption-mode:=
 t</div><div dir=3D"auto">=C2=A0 auto-compression-mode: t</div><div dir=3D"=
auto"><br></div><div dir=3D"auto">Load-path shadows:</div><div dir=3D"auto"=
>~/Documents/packages/rainbow/rainbow-delimiters hides /data/data/org.gnu.e=
macs/files/.emacs.d/elpa/rainbow-delimiters-2.1.5/rainbow-delimiters</div><=
div dir=3D"auto"><br></div><div dir=3D"auto">Features:</div><div dir=3D"aut=
o">(shadow sort mail-extr emacsbug lisp-mnt message yank-media puny dired</=
div><div dir=3D"auto">dired-loaddefs rfc822 mml mml-sec epa derived epg rfc=
6068 epg-config</div><div dir=3D"auto">gnus-util text-property-search mm-de=
code mm-bodies mm-encode mail-parse</div><div dir=3D"auto">rfc2231 mailabbr=
ev gmm-utils mailheader sendmail rfc2047 rfc2045</div><div dir=3D"auto">iet=
f-drums mm-util mail-prsvr mail-utils ielm pp comint ansi-osc</div><div dir=
=3D"auto">ansi-color ring kmacro thingatpt vc-git diff-mode track-changes f=
iles-x</div><div dir=3D"auto">vc-dispatcher elec-pair face-remap help-fns r=
adix-tree cl-print debug</div><div dir=3D"auto">backtrace help-mode find-fu=
nc time-date mule-util info</div><div dir=3D"auto">display-line-numbers ini=
t finder-inf rainbow-delimiters easy-mmode</div><div dir=3D"auto">rainbow-d=
elimiters-autoloads package browse-url xdg url url-proxy</div><div dir=3D"a=
uto">url-privacy url-expand url-methods url-history url-cookie</div><div di=
r=3D"auto">generate-lisp-file url-domsuf url-util mailcap url-handlers url-=
parse</div><div dir=3D"auto">auth-source cl-seq eieio eieio-core cl-macs ic=
ons password-cache json</div><div dir=3D"auto">subr-x map byte-opt gv bytec=
omp byte-compile url-vars cl-loaddefs cl-lib</div><div dir=3D"auto">rmc iso=
-transl tooltip cus-start cconv eldoc paren electric uniquify</div><div dir=
=3D"auto">ediff-hook vc-hooks lisp-float-type elisp-mode mwheel android-win=
</div><div dir=3D"auto">term/common-win touch-screen ls-lisp tool-bar dnd f=
ontset image</div><div dir=3D"auto">regexp-opt fringe tabulated-list replac=
e newcomment text-mode lisp-mode</div><div dir=3D"auto">prog-mode register =
page tab-bar menu-bar rfn-eshadow isearch easymenu</div><div dir=3D"auto">t=
imer select scroll-bar mouse jit-lock font-lock syntax font-core</div><div =
dir=3D"auto">term/tty-colors frame minibuffer nadvice seq simple cl-generic=
</div><div dir=3D"auto">indonesian philippine cham georgian utf-8-lang misc=
-lang vietnamese</div><div dir=3D"auto">tibetan thai tai-viet lao korean ja=
panese eucjp-ms cp51932 hebrew greek</div><div dir=3D"auto">romanian slovak=
 czech european ethiopic indian cyrillic chinese</div><div dir=3D"auto">com=
posite emoji-zwj charscript charprop case-table epa-hook</div><div dir=3D"a=
uto">jka-cmpr-hook help abbrev obarray oclosure cl-preloaded button loaddef=
s</div><div dir=3D"auto">theme-loaddefs faces cus-face macroexp files windo=
w text-properties</div><div dir=3D"auto">overlay sha1 md5 base64 format env=
 code-pages mule custom widget keymap</div><div dir=3D"auto">hashtable-prin=
t-readable backquote threads inotify dynamic-setting</div><div dir=3D"auto"=
>android multi-tty move-toolbar make-network-process tty-child-frames</div>=
<div dir=3D"auto">emacs)</div><div dir=3D"auto"><br></div><div dir=3D"auto"=
>Memory information:</div><div dir=3D"auto">((conses 16 125782 40750) (symb=
ols 48 10611 0) (strings 32 34048 1974)</div><div dir=3D"auto">=C2=A0(strin=
g-bytes 1 800690) (vectors 16 20310)</div><div dir=3D"auto">=C2=A0(vector-s=
lots 8 196436 9107) (floats 8 51 153) (intervals 56 4321 0)</div><div dir=
=3D"auto">=C2=A0(buffers 992 18))</div></div><div dir=3D"auto"><br></div><d=
iv><br></div><div data-smartmail=3D"gmail_signature">Sent from Gmail</div><=
/div>

--000000000000baef270633f8a682--

Message sent:

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X-Loop: help-debbugs@HIDDEN
From: help-debbugs@HIDDEN (GNU bug Tracking System)
To: badli al rashid <theothernighttheotherday@HIDDEN>
Subject: bug#78156: Acknowledgement (31.0.50; 3.2 Install a Function
 Definition)
Message-ID: <handler.78156.B.174599292725417.ack <at> debbugs.gnu.org>
References: <CAJinB_CrLdFX61FG5Zt7yRKgZ76kR9B09_zO_MkXk76Y7Xj_WA@HIDDEN>
X-Gnu-PR-Message: ack 78156
X-Gnu-PR-Package: emacs
Reply-To: 78156 <at> debbugs.gnu.org
Date: Wed, 30 Apr 2025 06:03:02 +0000

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Subject: bug#78156: 31.0.50; 3.2 Install a Function Definition
Resent-From: Eli Zaretskii <eliz@HIDDEN>
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To: badli al rashid <theothernighttheotherday@HIDDEN>
Cc: 78156 <at> debbugs.gnu.org
Date: Wed, 30 Apr 2025 09:31:17 +0300
Message-Id: <86wmb2nosq.fsf@HIDDEN>
From: Eli Zaretskii <eliz@HIDDEN>
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 (message from badli al rashid on Wed, 30 Apr 2025 14:01:30 +0800)
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> From: badli al rashid <theothernighttheotherday@HIDDEN>
> Date: Wed, 30 Apr 2025 14:01:30 +0800
> 
> From the elisp intro book, 3.2 Install a Function Definition.
> An error occur when installing / running (C-x C-e) the function below
> 
>      (defun multiply-by-seven (number)
>        "Multiply NUMBER by seven."
>        (* 7 number))
> 
> Debugger entered--Lisp error: (void-variable number)
>   (* 7 number)
>   (progn (* 7 number))
>   eval((progn (* 7 number)) t)
>   elisp--eval-last-sexp(nil)
>   #f(compiled-function () #<bytecode 0x18675df5af7f>)()
>   handler-bind-1(#f(compiled-function () #<bytecode 0x18675df5af7f>) (error) eval-expression--debug)
>   eval-last-sexp(nil)
>   funcall-interactively(eval-last-sexp nil)
>   call-interactively(eval-last-sexp nil nil)
>   command-execute(eval-last-sexp)
>   recursive-edit()
>   debug(error (void-variable definition.) :backtrace-base eval-expression--debug)
>   eval-expression--debug((void-variable definition.))
>   (progn definition.)
>   eval((progn definition.) t)
>   elisp--eval-last-sexp(nil)
>   #f(compiled-function () #<bytecode 0x18675df5af7f>)()
>   handler-bind-1(#f(compiled-function () #<bytecode 0x18675df5af7f>) (error) eval-expression--debug)
>   eval-last-sexp(nil)
>   funcall-interactively(eval-last-sexp nil)
>   call-interactively(eval-last-sexp nil nil)
>   command-execute(eval-last-sexp)
>   recursive-edit()
>   debug(error (void-variable number) :backtrace-base eval-expression--debug)
>   eval-expression--debug((void-variable number))
>   (* 7 number)
>   (progn (* 7 number))
>   eval((progn (* 7 number)) t)
>   elisp--eval-last-sexp(nil)
>   #f(compiled-function () #<bytecode 0x18675df5af7f>)()
>   handler-bind-1(#f(compiled-function () #<bytecode 0x18675df5af7f>) (error) eval-expression--debug)
>   eval-last-sexp(nil)
>   funcall-interactively(eval-last-sexp nil)
>   call-interactively(eval-last-sexp nil nil)
>   command-execute(eval-last-sexp)

Please describe what you did, because I cannot reproduce the problem.
My steps were:

 . emacs -Q
 . insert the function's definition into the *scratch* buffer
 . C-x C-e on the closing parenthesis of the function to install the
   function in Emacs
 . type (multiply-by-seven 10) into *scratch* buffer
 . type C-x C-e after that
 . the result (70) is shown in the echo area, as expected

So I see no bug here.

From the backtrace you show, I'm guessing that you evaluated something
like

   (multiply-by-seven number)

without making 'number' a variable with some numerical value.

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Date: Wed, 30 Apr 2025 09:37:45 +0300
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From: Eli Zaretskii <eliz@HIDDEN>
To: badli al rashid <theothernighttheotherday@HIDDEN>
In-Reply-To: <CAJinB_Do3Gdc-F_pk6EkY=S6hqH-w_S0LtDgf+eKsz0AZWCe8w@HIDDEN>
 (message from badli al rashid on Wed, 30 Apr 2025 14:13:54 +0800)
Subject: Re: bug#78157: 31.0.50; 3.2 Install a Function Definition
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merge 78157 78156
thanks

> From: badli al rashid <theothernighttheotherday@HIDDEN>
> Date: Wed, 30 Apr 2025 14:13:54 +0800
> 
> error when installing the second version of the function from elisp
> introduction to programming
> 
>      (defun multiply-by-seven (number)       ; Second version.
>        "Multiply NUMBER by seven."
>        (+ number number number number number number number))

I'm quite sure this is the same problem as in the previous bug#78156
which you reported.

Moreover, given this:

> Debugger entered--Lisp error: (void-variable number)
>   (* 7 number)
>   (progn (* 7 number))
>   eval((progn (* 7 number)) t)

it looks like you didn't even install the new definition of the
multiply-by-seven function, because Emacs is still using the old
definition.

These are all user mistakes typical for a newcomer to Emacs Lisp.

There's nothing wrong with reporting these issues and asking for help
and advice, but this list is not the proper forum for that.  Given
your level of knowledge of Emacs Lisp, may I suggest that you instead
post to the help-gnu-emacs@HIDDEN mailing list, whose purpose is
explicitly to help newcomers to Emacs?  If the discussion on that list
indicates that there's a real bug in Emacs or its documentation,
please submit a bug report with all the details using report-emacs-bug.

Thanks.

Last modified: Wed, 30 Apr 2025 06:45:02 UTC

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