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Subject: bug#36480: 26.2; Using a sh-basic-offset value with a multiple of tab-width has side effects when building function using =?UTF-8?Q?=E2=80=9CC-c?= (=?UTF-8?Q?=E2=80=9D?=
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The issue had been reported to the Emacs StackExchange group using
thefollowing description.  A commentator could replicate it.-----------
-----------------------------------------------------------When using a
multiple of the "tab-width" value for "sh-basic-offset", creating a
function using the built-in command "C-c (" removes characters from the
expected result. That being said, I can create a shell function by
manually typing it. It is just this built-in command, which causes odd
behavior.
When "tab-width" and/or "sh-basic-offset" are not set inside the
".emacs" file or the latter is not a multiple of the former, it works
as expected.
Here are the tests I did:In the below examples I use "asdf" as the
function name and the pipe character ("|") is the visualization of
where point is located after I completed the built-in command.
With either variables not defined or not a multiple of one another, the
(default) result is:function asdf() {    |}
With both set to 4, the result is:function asdf() {}|
With tab-width set to 4 and sh-basic-offset to 8, the result
is:function asdf()}|
With both set to 8, the result is:function asdf}|
With both set to 16 (just for a test), the result is (semantically a
rather amusing):fu}|
Is this a bug or do I need to set another variable to a certain value
for it to work? I at least tried the variables stated in this question,
but they did not have any effect at all for this issue.--------------
--------------------------------------------------------Source: 
https://emacs.stackexchange.com/q/51324/23319

In GNU Emacs 26.2 (build 1, x86_64-redhat-linux-gnu, GTK+ Version
3.24.8) of 2019-04-30 built on buildvm-
06.phx2.fedoraproject.orgWindowing system distributor 'Fedora Project',
version 11.0.12005000Recent messages:Loading /usr/share/emacs/site-
lisp/site-start.d/autoconf-init.el (source)...doneLoading
/usr/share/emacs/site-lisp/site-start.d/desktop-entry-mode-init.el
(source)...doneLoading time...doneLoading elec-pair...doneLoading
display-line-numbers...doneLoading paren...doneFor information about
GNU Emacs and the GNU system, type C-h C-a.
Configured using: 'configure --build=x86_64-redhat-linux-gnu --
host=x86_64-redhat-linux-gnu --program-prefix= --disable-dependency-
tracking --prefix=/usr --exec-prefix=/usr --bindir=/usr/bin --
sbindir=/usr/sbin --sysconfdir=/etc --datadir=/usr/share --
includedir=/usr/include --libdir=/usr/lib64 --libexecdir=/usr/libexec
--localstatedir=/var --sharedstatedir=/var/lib --mandir=/usr/share/man
--infodir=/usr/share/info --with-dbus --with-gif --with-jpeg --with-png 
--with-rsvg --with-tiff --with-xft --with-xpm --with-x-toolkit=gtk3 --
with-gpm=no --with-xwidgets --with-modules build_alias=x86_64-redhat-
linux-gnu host_alias=x86_64-redhat-linux-gnu 'CFLAGS=-DMAIL_USE_LOCKF
-O2 -g -pipe -Wall -Werror=format-security -Wp,-D_FORTIFY_SOURCE=2
-Wp,-D_GLIBCXX_ASSERTIONS -fexceptions -fstack-protector-strong
-grecord-gcc-switches -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1
-specs=/usr/lib/rpm/redhat/redhat-annobin-cc1 -m64 -mtune=generic
-fasynchronous-unwind-tables -fstack-clash-protection -fcf-protection'
LDFLAGS=-Wl,-z,relro
PKG_CONFIG_PATH=:/usr/lib64/pkgconfig:/usr/share/pkgconfig'
Configured features:XPM JPEG TIFF GIF PNG RSVG IMAGEMAGICK SOUND DBUS
GSETTINGS GLIB NOTIFYACL LIBSELINUX GNUTLS LIBXML2 FREETYPE M17N_FLT
LIBOTF XFT ZLIBTOOLKIT_SCROLL_BARS GTK3 X11 XDBE XIM MODULES THREADS
XWIDGETS LCMS2
Important settings:  value of $LC_COLLATE: C  value of $LC_NUMERIC:
en_US  value of $LANG: en_US.UTF-8  value of $XMODIFIERS:
@im=ibus  locale-coding-system: utf-8-unix
Major mode: Lisp Interaction
Minor modes in effect:  show-paren-mode: t  global-display-line-
numbers-mode: t  display-line-numbers-mode: t  electric-pair-mode:
t  display-time-mode: t  tooltip-mode: t  global-eldoc-mode: t  eldoc-
mode: t  electric-indent-mode: t  mouse-wheel-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  auto-composition-mode:
t  auto-encryption-mode: t  auto-compression-mode: t  column-number-
mode: t  line-number-mode: t  transient-mark-mode: t
Load-path shadows:None found.
Features:(shadow sort mail-extr emacsbug message rmc puny dired dired-
loaddefsformat-spec rfc822 mml mml-sec epa epg gnus-util rmail rmail-
loaddefsmm-decode mm-bodies mm-encode mail-parse rfc2231 mailabbrev
gmm-utilsmailheader sendmail rfc2047 rfc2045 ietf-drums mm-util mail-
prsvrmail-utils php-mode advice derived rx edmacro kmacro php-
projectmode-local find-func imenu speedbar sb-image ezimage dframe
etags xrefproject flymake-proc flymake compile comint ansi-color ring
warningsthingatpt add-log cc-langs cc-mode cc-fonts cc-guess cc-menus
cc-cmdscc-styles cc-align cc-engine cc-vars cc-defs light-blue-theme
parendisplay-line-numbers elec-pair time cus-start cus-load finder-
infpackage easymenu epg-config url-handlers url-parse auth-source cl-
seqeieio eieio-core cl-macs eieio-loaddefs password-cache url-vars
seqbyte-opt gv bytecomp byte-compile cconv cl-loaddefs cl-lib time-
datemule-util tooltip eldoc electric uniquify ediff-hook vc-hookslisp-
float-type mwheel term/x-win x-win term/common-win x-dnd tool-bardnd
fontset image regexp-opt fringe tabulated-list replace newcommenttext-
mode elisp-mode lisp-mode prog-mode register page menu-barrfn-eshadow
isearch timer select scroll-bar mouse jit-lock font-locksyntax facemenu
font-core term/tty-colors frame cl-generic cham georgianutf-8-lang
misc-lang vietnamese tibetan thai tai-viet lao koreanjapanese eucjp-ms
cp51932 hebrew greek romanian slovak czech europeanethiopic indian
cyrillic chinese composite charscript charpropcase-table epa-hook jka-
cmpr-hook help simple abbrev obarray minibuffercl-preloaded nadvice
loaddefs button faces cus-face macroexp filestext-properties overlay
sha1 md5 base64 format env code-pages mulecustom widget hashtable-
print-readable backquote threads dbusbindinotify lcms2 dynamic-setting
system-font-setting font-render-settingxwidget-internal move-toolbar
gtk x-toolkit x multi-ttymake-network-process emacs)
Memory information:((conses 16 167620 9490) (symbols 48 27914 1) (miscs
40 66 106) (strings 32 49620 2522) (string-bytes 1 1461299) (vectors 16
23554) (vector-slots 8 605402 9260) (floats 8 56 61) (intervals 56 307
0) (buffers 992 11))

--=-7/TYRrVaqcFct9L3i5Xl
Content-Type: text/html; charset="utf-8"
Content-Transfer-Encoding: quoted-printable

<html dir=3D"ltr"><head></head><body style=3D"text-align:left; direction:lt=
r;"><pre>The issue had been reported to the Emacs StackExchange group using=
 the</pre><pre>following description.  A commentator could replicate it.</p=
re><pre>-------------------------------------------------------------------=
---</pre><pre>When using a multiple of the "tab-width" value for "sh-basic-=
offset", creating a function using the built-in command "C-c (" removes cha=
racters from the expected result. That being said, I can create a shell fun=
ction by manually typing it. It is just this built-in command, which causes=
 odd behavior.</pre><pre><br></pre><pre>When "tab-width" and/or "sh-basic-o=
ffset" are not set inside the ".emacs" file or the latter is not a multiple=
 of the former, it works as expected.</pre><pre><br></pre><pre>Here are the=
 tests I did:</pre><pre>In the below examples I use "asdf" as the function =
name and the pipe character ("|") is the visualization of where point is lo=
cated after I completed the built-in command.</pre><pre><br></pre><pre>With=
 either variables not defined or not a multiple of one another, the (defaul=
t) result is:</pre><pre>function asdf() {</pre><pre>    |</pre><pre>}</pre>=
<pre><br></pre><pre>With both set to 4, the result is:</pre><pre>function a=
sdf() {}|</pre><pre><br></pre><pre>With tab-width set to 4 and sh-basic-off=
set to 8, the result is:</pre><pre>function asdf()}|</pre><pre><br></pre><p=
re>With both set to 8, the result is:</pre><pre>function asdf}|</pre><pre><=
br></pre><pre>With both set to 16 (just for a test), the result is (semanti=
cally a rather amusing):</pre><pre>fu}|</pre><pre><br></pre><pre>Is this a =
bug or do I need to set another variable to a certain value for it to work?=
 I at least tried the variables stated in this question, but they did not h=
ave any effect at all for this issue.</pre><pre>---------------------------=
-------------------------------------------</pre><pre>Source: </pre><a href=
=3D"https://emacs.stackexchange.com/q/51324/23319"><pre>https://emacs.stack=
exchange.com/q/51324/23319</pre></a><pre><br></pre><pre><br></pre><pre><br>=
</pre><pre>In GNU Emacs 26.2 (build 1, x86_64-redhat-linux-gnu, GTK+ Versio=
n 3.24.8)</pre><pre> of 2019-04-30 built on buildvm-06.phx2.fedoraproject.o=
rg</pre><pre>Windowing system distributor 'Fedora Project', version 11.0.12=
005000</pre><pre>Recent messages:</pre><pre>Loading /usr/share/emacs/site-l=
isp/site-start.d/autoconf-init.el (source)...done</pre><pre>Loading /usr/sh=
are/emacs/site-lisp/site-start.d/desktop-entry-mode-init.el (source)...done=
</pre><pre>Loading time...done</pre><pre>Loading elec-pair...done</pre><pre=
>Loading display-line-numbers...done</pre><pre>Loading paren...done</pre><p=
re>For information about GNU Emacs and the GNU system, type C-h C-a.</pre><=
pre><br></pre><pre>Configured using:</pre><pre> 'configure --build=3Dx86_64=
-redhat-linux-gnu</pre><pre> --host=3Dx86_64-redhat-linux-gnu --program-pre=
fix=3D</pre><pre> --disable-dependency-tracking --prefix=3D/usr --exec-pref=
ix=3D/usr</pre><pre> --bindir=3D/usr/bin --sbindir=3D/usr/sbin --sysconfdir=
=3D/etc</pre><pre> --datadir=3D/usr/share --includedir=3D/usr/include --lib=
dir=3D/usr/lib64</pre><pre> --libexecdir=3D/usr/libexec --localstatedir=3D/=
var</pre><pre> --sharedstatedir=3D/var/lib --mandir=3D/usr/share/man</pre><=
pre> --infodir=3D/usr/share/info --with-dbus --with-gif --with-jpeg --with-=
png</pre><pre> --with-rsvg --with-tiff --with-xft --with-xpm --with-x-toolk=
it=3Dgtk3</pre><pre> --with-gpm=3Dno --with-xwidgets --with-modules</pre><p=
re> build_alias=3Dx86_64-redhat-linux-gnu host_alias=3Dx86_64-redhat-linux-=
gnu</pre><pre> 'CFLAGS=3D-DMAIL_USE_LOCKF -O2 -g -pipe -Wall -Werror=3Dform=
at-security</pre><pre> -Wp,-D_FORTIFY_SOURCE=3D2 -Wp,-D_GLIBCXX_ASSERTIONS =
-fexceptions</pre><pre> -fstack-protector-strong -grecord-gcc-switches</pre=
><pre> -specs=3D/usr/lib/rpm/redhat/redhat-hardened-cc1</pre><pre> -specs=
=3D/usr/lib/rpm/redhat/redhat-annobin-cc1 -m64 -mtune=3Dgeneric</pre><pre> =
-fasynchronous-unwind-tables -fstack-clash-protection -fcf-protection'</pre=
><pre> LDFLAGS=3D-Wl,-z,relro</pre><pre> PKG_CONFIG_PATH=3D:/usr/lib64/pkgc=
onfig:/usr/share/pkgconfig'</pre><pre><br></pre><pre>Configured features:</=
pre><pre>XPM JPEG TIFF GIF PNG RSVG IMAGEMAGICK SOUND DBUS GSETTINGS GLIB N=
OTIFY</pre><pre>ACL LIBSELINUX GNUTLS LIBXML2 FREETYPE M17N_FLT LIBOTF XFT =
ZLIB</pre><pre>TOOLKIT_SCROLL_BARS GTK3 X11 XDBE XIM MODULES THREADS XWIDGE=
TS LCMS2</pre><pre><br></pre><pre>Important settings:</pre><pre>  value of =
$LC_COLLATE: C</pre><pre>  value of $LC_NUMERIC: en_US</pre><pre>  value of=
 $LANG: en_US.UTF-8</pre><pre>  value of $XMODIFIERS: @im=3Dibus</pre><pre>=
  locale-coding-system: utf-8-unix</pre><pre><br></pre><pre>Major mode: Lis=
p Interaction</pre><pre><br></pre><pre>Minor modes in effect:</pre><pre>  s=
how-paren-mode: t</pre><pre>  global-display-line-numbers-mode: t</pre><pre=
>  display-line-numbers-mode: t</pre><pre>  electric-pair-mode: t</pre><pre=
>  display-time-mode: t</pre><pre>  tooltip-mode: t</pre><pre>  global-eldo=
c-mode: t</pre><pre>  eldoc-mode: t</pre><pre>  electric-indent-mode: t</pr=
e><pre>  mouse-wheel-mode: t</pre><pre>  tool-bar-mode: t</pre><pre>  menu-=
bar-mode: t</pre><pre>  file-name-shadow-mode: t</pre><pre>  global-font-lo=
ck-mode: t</pre><pre>  font-lock-mode: t</pre><pre>  blink-cursor-mode: t</=
pre><pre>  auto-composition-mode: t</pre><pre>  auto-encryption-mode: t</pr=
e><pre>  auto-compression-mode: t</pre><pre>  column-number-mode: t</pre><p=
re>  line-number-mode: t</pre><pre>  transient-mark-mode: t</pre><pre><br><=
/pre><pre>Load-path shadows:</pre><pre>None found.</pre><pre><br></pre><pre=
>Features:</pre><pre>(shadow sort mail-extr emacsbug message rmc puny dired=
 dired-loaddefs</pre><pre>format-spec rfc822 mml mml-sec epa epg gnus-util =
rmail rmail-loaddefs</pre><pre>mm-decode mm-bodies mm-encode mail-parse rfc=
2231 mailabbrev gmm-utils</pre><pre>mailheader sendmail rfc2047 rfc2045 iet=
f-drums mm-util mail-prsvr</pre><pre>mail-utils php-mode advice derived rx =
edmacro kmacro php-project</pre><pre>mode-local find-func imenu speedbar sb=
-image ezimage dframe etags xref</pre><pre>project flymake-proc flymake com=
pile comint ansi-color ring warnings</pre><pre>thingatpt add-log cc-langs c=
c-mode cc-fonts cc-guess cc-menus cc-cmds</pre><pre>cc-styles cc-align cc-e=
ngine cc-vars cc-defs light-blue-theme paren</pre><pre>display-line-numbers=
 elec-pair time cus-start cus-load finder-inf</pre><pre>package easymenu ep=
g-config url-handlers url-parse auth-source cl-seq</pre><pre>eieio eieio-co=
re cl-macs eieio-loaddefs password-cache url-vars seq</pre><pre>byte-opt gv=
 bytecomp byte-compile cconv cl-loaddefs cl-lib time-date</pre><pre>mule-ut=
il tooltip eldoc electric uniquify ediff-hook vc-hooks</pre><pre>lisp-float=
-type mwheel term/x-win x-win term/common-win x-dnd tool-bar</pre><pre>dnd =
fontset image regexp-opt fringe tabulated-list replace newcomment</pre><pre=
>text-mode elisp-mode lisp-mode prog-mode register page menu-bar</pre><pre>=
rfn-eshadow isearch timer select scroll-bar mouse jit-lock font-lock</pre><=
pre>syntax facemenu font-core term/tty-colors frame cl-generic cham georgia=
n</pre><pre>utf-8-lang misc-lang vietnamese tibetan thai tai-viet lao korea=
n</pre><pre>japanese eucjp-ms cp51932 hebrew greek romanian slovak czech eu=
ropean</pre><pre>ethiopic indian cyrillic chinese composite charscript char=
prop</pre><pre>case-table epa-hook jka-cmpr-hook help simple abbrev obarray=
 minibuffer</pre><pre>cl-preloaded nadvice loaddefs button faces cus-face m=
acroexp files</pre><pre>text-properties overlay sha1 md5 base64 format env =
code-pages mule</pre><pre>custom widget hashtable-print-readable backquote =
threads dbusbind</pre><pre>inotify lcms2 dynamic-setting system-font-settin=
g font-render-setting</pre><pre>xwidget-internal move-toolbar gtk x-toolkit=
 x multi-tty</pre><pre>make-network-process emacs)</pre><pre><br></pre><pre=
>Memory information:</pre><pre>((conses 16 167620 9490)</pre><pre> (symbols=
 48 27914 1)</pre><pre> (miscs 40 66 106)</pre><pre> (strings 32 49620 2522=
)</pre><pre> (string-bytes 1 1461299)</pre><pre> (vectors 16 23554)</pre><p=
re> (vector-slots 8 605402 9260)</pre><pre> (floats 8 56 61)</pre><pre> (in=
tervals 56 307 0)</pre><pre> (buffers 992 11))</pre></body></html>

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To: Phoenix <gnu@HIDDEN>
Subject: bug#36480: Acknowledgement (26.2; Using a sh-basic-offset value
 with a multiple of tab-width has side effects when building function using
 =?UTF-8?Q?=E2=80=9CC-c?= (=?UTF-8?Q?=E2=80=9D?=)
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Subject: bug#36480: 26.2; Using a sh-basic-offset value with a multiple of tab-width has side effects when building function using =?UTF-8?Q?=E2=80=9CC-c?= (=?UTF-8?Q?=E2=80=9D?=
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Phoenix <gnu@HIDDEN> writes:

> When using a multiple of the "tab-width" value for "sh-basic-offset",
> creating a function using the built-in command "C-c (" removes
> characters from the expected result. That being said, I can create a
> shell function by manually typing it. It is just this built-in
> command, which causes odd behavior.
>
> When "tab-width" and/or "sh-basic-offset" are not set inside the
> ".emacs" file or the latter is not a multiple of the former, it works
> as expected.

I was not able to reproduce it with the recipe above, and it's strange
that that should have any effect -- `tab-width' is automatically
buffer-local.

But I'm able to reproduce it with "emacs -Q /tmp/a.sh" and then
`M-: (setq tab-width 4 sh-basic-offset 4) RET'.

> Here are the tests I did:
> In the below examples I use "asdf" as the function name and the pipe character ("|") is the visualization of where point is located after I completed the built-in command.
>
> With either variables not defined or not a multiple of one another, the (default) result is:
> function asdf() {
>     |
> }
>
> With both set to 4, the result is:
> function asdf() {}|
>
> With tab-width set to 4 and sh-basic-offset to 8, the result is:
> function asdf()}|
>
> With both set to 8, the result is:
> function asdf}|
>
> With both set to 16 (just for a test), the result is (semantically a rather amusing):
> fu}|

I don't get exactly what you're getting, but I'm getting something very
close to it.  For instance, with 16, the buffer becomes completely blank.

-- 
(domestic pets only, the antidote for overdose, milk.)
   bloggy blog: http://lars.ingebrigtsen.no

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 the bug tracker won't receive the email.) Phoenix <gnu@HIDDEN> writes:
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Phoenix <gnu@HIDDEN> writes:

> Since you are getting different results, I wonder what is different on
> your version then? I ask as two people could apparently reproduce it
> and I do not use anything special. Just the package available to
> Fedora 30 (not compiled from source).

I'm using the current development Emacs (i.e., Emacs 27).

-- 
(domestic pets only, the antidote for overdose, milk.)
   bloggy blog: http://lars.ingebrigtsen.no

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