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Subject: bug#78125: 29.3; Obsolete text-mode-variant used in elisp manual
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From emacs 29.3, open the Elisp info documentation. That
documentation says it is for emacs 29.2. The `Example Major Modes`
includes the code `(setq-local text-mode-variant t)`.
I tried using some old code that included that command. The result was
.emacs:39:15: Warning: =C3=A2=C2=80=C2=98text-mode-variant=C3=A2=C2=80=C2=
=99 is an obsolete variable (as of
27.1); use =C3=A2=C2=80=C2=98derived-mode-p=C3=A2=C2=80=C2=99 instead.
So I think the example needs to be updated.
I just commented out the line.
A secondary matter: naively following the error message would result in
this code: (setq-local derived-mode-p t), which I assume is a bad idea
and probably an error.
Running Ubuntu 24.04.2. BTW, despite what the automated report below
says, it is using Wayland, not X.
In GNU Emacs 29.3 (build 1, x86_64-pc-linux-gnu, GTK+ Version 3.24.41,
cairo version 1.18.0) of 2024-09-17, modified by Debian built on
lcy02-amd64-065
Windowing system distributor 'The X.Org Foundation', version 11.0.12302006
System Description: Ubuntu 24.04.2 LTS
Configured using:
'configure --build x86_64-linux-gnu --prefix=3D/usr
--sharedstatedir=3D/var/lib --libexecdir=3D/usr/libexec
--localstatedir=3D/var/lib --infodir=3D/usr/share/info
--mandir=3D/usr/share/man --with-libsystemd --with-pop=3Dyes
--enable-locallisppath=3D/etc/emacs:/usr/local/share/emacs/29.3/site-lisp:=
/usr/local/share/emacs/site-lisp:/usr/share/emacs/29.3/site-lisp:/usr/share=
/emacs/site-lisp
--with-sound=3Dalsa --without-gconf --with-mailutils
--with-native-compilation --build x86_64-linux-gnu --prefix=3D/usr
--sharedstatedir=3D/var/lib --libexecdir=3D/usr/libexec
--localstatedir=3D/var/lib --infodir=3D/usr/share/info
--mandir=3D/usr/share/man --with-libsystemd --with-pop=3Dyes
--enable-locallisppath=3D/etc/emacs:/usr/local/share/emacs/29.3/site-lisp:=
/usr/local/share/emacs/site-lisp:/usr/share/emacs/29.3/site-lisp:/usr/share=
/emacs/site-lisp
--with-sound=3Dalsa --without-gconf --with-mailutils
--with-native-compilation --with-cairo --with-x=3Dyes
--with-x-toolkit=3Dgtk3 --with-toolkit-scroll-bars 'CFLAGS=3D-g -O2
-fno-omit-frame-pointer -mno-omit-leaf-frame-pointer
-ffile-prefix-map=3D/build/emacs-sI82Rh/emacs-29.3+1=3D. -fstack-protector=
-strong
-fstack-clash-protection -Wformat -Werror=3Dformat-security
-fcf-protection
-fdebug-prefix-map=3D/build/emacs-sI82Rh/emacs-29.3+1=3D/usr/src/emacs-1:2=
9.3+1-1ubuntu2+esm1
-Wall' 'CPPFLAGS=3D-Wdate-time -D_FORTIFY_SOURCE=3D3'
'LDFLAGS=3D-Wl,-Bsymbolic-functions -Wl,-z,relro''
Configured features:
ACL CAIRO DBUS FREETYPE GIF GLIB GMP GNUTLS GPM GSETTINGS HARFBUZZ JPEG
JSON LCMS2 LIBOTF LIBSELINUX LIBSYSTEMD LIBXML2 M17N_FLT MODULES
NATIVE_COMP NOTIFY INOTIFY PDUMPER PNG RSVG SECCOMP SOUND SQLITE3
THREADS TIFF TOOLKIT_SCROLL_BARS TREE_SITTER WEBP X11 XDBE XIM XINPUT2
XPM GTK3 ZLIB
Important settings:
value of $LANG: en_US.UTF-8
locale-coding-system: utf-8-unix
Major mode: Info
Minor modes in effect:
shell-dirtrack-mode: t
tooltip-mode: t
global-eldoc-mode: t
show-paren-mode: t
electric-indent-mode: t
mouse-wheel-mode: t
tool-bar-mode: t
menu-bar-mode: t
file-name-shadow-mode: t
isearch-fold-quotes-mode: t
global-font-lock-mode: t
font-lock-mode: t
blink-cursor-mode: t
buffer-read-only: 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:
None found.
Features:
(shadow sort mail-extr emacsbug message mailcap yank-media puny rfc822
mml mml-sec password-cache epa epg rfc6068 epg-config gnus-util
mm-decode mm-bodies mm-encode mail-parse rfc2231 mailabbrev gmm-utils
mailheader sendmail rfc2047 rfc2045 ietf-drums mm-util mail-prsvr
mail-utils jka-compr derived display-line-numbers conf-mode pcmpl-unix
vc-hg vc-git diff-mode vc-bzr vc-src vc-sccs vc-svn vc-cvs vc-rcs
log-view easy-mmode pcvs-util vc-dir ewoc vc vc-dispatcher byte-opt
compile info shortdoc text-property-search help-fns radix-tree mule-util
apropos misearch multi-isearch time-date view dired-aux dired
dired-loaddefs sh-script smie treesit executable files-x shell pcomplete
comint ansi-osc ansi-color ring comp comp-cstr warnings subr-x rx cl-seq
cl-macs gv cl-extra help-mode bytecomp byte-compile cus-edit pp
cus-start cus-load icons wid-edit cl-loaddefs cl-lib rmc iso-transl
tooltip cconv eldoc paren electric uniquify ediff-hook vc-hooks
lisp-float-type elisp-mode mwheel term/x-win x-win term/common-win x-dnd
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 dbusbind
inotify lcms2 dynamic-setting system-font-setting font-render-setting
cairo move-toolbar gtk x-toolkit xinput2 x multi-tty
make-network-process native-compile emacs)
Memory information:
((conses 16 374495 20755)
(symbols 48 13041 0)
(strings 32 57018 6966)
(string-bytes 1 2151633)
(vectors 16 32922)
(vector-slots 8 933173 87704)
(floats 8 184 227)
(intervals 56 34042 0)
(buffers 984 31))
Content-Disposition: inline Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-Mailer: MIME-tools 5.505 (Entity 5.505) Content-Type: text/plain; charset=utf-8 X-Loop: help-debbugs@HIDDEN From: help-debbugs@HIDDEN (GNU bug Tracking System) To: rossboylan@HIDDEN Subject: bug#78125: Acknowledgement (29.3; Obsolete text-mode-variant used in elisp manual) Message-ID: <handler.78125.B.17458933819063.ack <at> debbugs.gnu.org> References: <wmb3py30.fsf@HIDDEN> X-Gnu-PR-Message: ack 78125 X-Gnu-PR-Package: emacs Reply-To: 78125 <at> debbugs.gnu.org Date: Tue, 29 Apr 2025 02:23:02 +0000 Thank you for filing a new bug report with debbugs.gnu.org. This is an automatically generated reply to let you know your message has been received. Your message is being forwarded to the package maintainers and other interested parties for their attention; they will reply in due course. Your message has been sent to the package maintainer(s): bug-gnu-emacs@HIDDEN If you wish to submit further information on this problem, please send it to 78125 <at> debbugs.gnu.org. Please do not send mail to help-debbugs@HIDDEN unless you wish to report a problem with the Bug-tracking system. --=20 78125: https://debbugs.gnu.org/cgi/bugreport.cgi?bug=3D78125 GNU Bug Tracking System Contact help-debbugs@HIDDEN with problems
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From: help-debbugs@HIDDEN (GNU bug Tracking System)
To: Eli Zaretskii <eliz@HIDDEN>
Subject: bug#78125: closed (29.3; Obsolete text-mode-variant used in
elisp manual)
CC: tracker <at> debbugs.gnu.org
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From: rossboylan@HIDDEN
To: bug-gnu-emacs@HIDDEN
Subject: 29.3; Obsolete text-mode-variant used in elisp manual
Date: Mon, 28 Apr 2025 18:15:31 -0700
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From emacs 29.3, open the Elisp info documentation. That
documentation says it is for emacs 29.2. The `Example Major Modes`
includes the code `(setq-local text-mode-variant t)`.
I tried using some old code that included that command. The result was
.emacs:39:15: Warning: =C3=A2=C2=80=C2=98text-mode-variant=C3=A2=C2=80=C2=
=99 is an obsolete variable (as of
27.1); use =C3=A2=C2=80=C2=98derived-mode-p=C3=A2=C2=80=C2=99 instead.
So I think the example needs to be updated.
I just commented out the line.
A secondary matter: naively following the error message would result in
this code: (setq-local derived-mode-p t), which I assume is a bad idea
and probably an error.
Running Ubuntu 24.04.2. BTW, despite what the automated report below
says, it is using Wayland, not X.
In GNU Emacs 29.3 (build 1, x86_64-pc-linux-gnu, GTK+ Version 3.24.41,
cairo version 1.18.0) of 2024-09-17, modified by Debian built on
lcy02-amd64-065
Windowing system distributor 'The X.Org Foundation', version 11.0.12302006
System Description: Ubuntu 24.04.2 LTS
Configured using:
'configure --build x86_64-linux-gnu --prefix=3D/usr
--sharedstatedir=3D/var/lib --libexecdir=3D/usr/libexec
--localstatedir=3D/var/lib --infodir=3D/usr/share/info
--mandir=3D/usr/share/man --with-libsystemd --with-pop=3Dyes
--enable-locallisppath=3D/etc/emacs:/usr/local/share/emacs/29.3/site-lisp:=
/usr/local/share/emacs/site-lisp:/usr/share/emacs/29.3/site-lisp:/usr/share=
/emacs/site-lisp
--with-sound=3Dalsa --without-gconf --with-mailutils
--with-native-compilation --build x86_64-linux-gnu --prefix=3D/usr
--sharedstatedir=3D/var/lib --libexecdir=3D/usr/libexec
--localstatedir=3D/var/lib --infodir=3D/usr/share/info
--mandir=3D/usr/share/man --with-libsystemd --with-pop=3Dyes
--enable-locallisppath=3D/etc/emacs:/usr/local/share/emacs/29.3/site-lisp:=
/usr/local/share/emacs/site-lisp:/usr/share/emacs/29.3/site-lisp:/usr/share=
/emacs/site-lisp
--with-sound=3Dalsa --without-gconf --with-mailutils
--with-native-compilation --with-cairo --with-x=3Dyes
--with-x-toolkit=3Dgtk3 --with-toolkit-scroll-bars 'CFLAGS=3D-g -O2
-fno-omit-frame-pointer -mno-omit-leaf-frame-pointer
-ffile-prefix-map=3D/build/emacs-sI82Rh/emacs-29.3+1=3D. -fstack-protector=
-strong
-fstack-clash-protection -Wformat -Werror=3Dformat-security
-fcf-protection
-fdebug-prefix-map=3D/build/emacs-sI82Rh/emacs-29.3+1=3D/usr/src/emacs-1:2=
9.3+1-1ubuntu2+esm1
-Wall' 'CPPFLAGS=3D-Wdate-time -D_FORTIFY_SOURCE=3D3'
'LDFLAGS=3D-Wl,-Bsymbolic-functions -Wl,-z,relro''
Configured features:
ACL CAIRO DBUS FREETYPE GIF GLIB GMP GNUTLS GPM GSETTINGS HARFBUZZ JPEG
JSON LCMS2 LIBOTF LIBSELINUX LIBSYSTEMD LIBXML2 M17N_FLT MODULES
NATIVE_COMP NOTIFY INOTIFY PDUMPER PNG RSVG SECCOMP SOUND SQLITE3
THREADS TIFF TOOLKIT_SCROLL_BARS TREE_SITTER WEBP X11 XDBE XIM XINPUT2
XPM GTK3 ZLIB
Important settings:
value of $LANG: en_US.UTF-8
locale-coding-system: utf-8-unix
Major mode: Info
Minor modes in effect:
shell-dirtrack-mode: t
tooltip-mode: t
global-eldoc-mode: t
show-paren-mode: t
electric-indent-mode: t
mouse-wheel-mode: t
tool-bar-mode: t
menu-bar-mode: t
file-name-shadow-mode: t
isearch-fold-quotes-mode: t
global-font-lock-mode: t
font-lock-mode: t
blink-cursor-mode: t
buffer-read-only: 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:
None found.
Features:
(shadow sort mail-extr emacsbug message mailcap yank-media puny rfc822
mml mml-sec password-cache epa epg rfc6068 epg-config gnus-util
mm-decode mm-bodies mm-encode mail-parse rfc2231 mailabbrev gmm-utils
mailheader sendmail rfc2047 rfc2045 ietf-drums mm-util mail-prsvr
mail-utils jka-compr derived display-line-numbers conf-mode pcmpl-unix
vc-hg vc-git diff-mode vc-bzr vc-src vc-sccs vc-svn vc-cvs vc-rcs
log-view easy-mmode pcvs-util vc-dir ewoc vc vc-dispatcher byte-opt
compile info shortdoc text-property-search help-fns radix-tree mule-util
apropos misearch multi-isearch time-date view dired-aux dired
dired-loaddefs sh-script smie treesit executable files-x shell pcomplete
comint ansi-osc ansi-color ring comp comp-cstr warnings subr-x rx cl-seq
cl-macs gv cl-extra help-mode bytecomp byte-compile cus-edit pp
cus-start cus-load icons wid-edit cl-loaddefs cl-lib rmc iso-transl
tooltip cconv eldoc paren electric uniquify ediff-hook vc-hooks
lisp-float-type elisp-mode mwheel term/x-win x-win term/common-win x-dnd
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
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text-properties overlay sha1 md5 base64 format env code-pages mule
custom widget keymap hashtable-print-readable backquote threads dbusbind
inotify lcms2 dynamic-setting system-font-setting font-render-setting
cairo move-toolbar gtk x-toolkit xinput2 x multi-tty
make-network-process native-compile emacs)
Memory information:
((conses 16 374495 20755)
(symbols 48 13041 0)
(strings 32 57018 6966)
(string-bytes 1 2151633)
(vectors 16 32922)
(vector-slots 8 933173 87704)
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Date: Tue, 29 Apr 2025 10:13:32 +0300
Message-Id: <86selrphib.fsf@HIDDEN>
From: Eli Zaretskii <eliz@HIDDEN>
To: rossboylan@HIDDEN
In-Reply-To: <wmb3py30.fsf@HIDDEN>
(rossboylan@HIDDEN)
Subject: Re: bug#78125: 29.3; Obsolete text-mode-variant used in elisp manual
References: <wmb3py30.fsf@HIDDEN>
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> From: rossboylan@HIDDEN
> Date: Mon, 28 Apr 2025 18:15:31 -0700
>
>
> >From emacs 29.3, open the Elisp info documentation. That
> documentation says it is for emacs 29.2. The `Example Major Modes`
> includes the code `(setq-local text-mode-variant t)`.
>
> I tried using some old code that included that command. The result was
>
> .emacs:39:15: Warning: âtext-mode-variantâ is an obsolete variable (as of
> 27.1); use âderived-mode-pâ instead.
>
> So I think the example needs to be updated.
Thanks.
I updated the example on the emacs-30 branch, but note that the actual
definition of text-mode still sets that variable, since we haven't
removed it yet.
> A secondary matter: naively following the error message would result in
> this code: (setq-local derived-mode-p t), which I assume is a bad idea
> and probably an error.
Yes, you are supposed to look up the documentation of the replacement
to figure out how to use it. I made the text of the obsolescence
message more clear in that regard.
And with that, I'm closing this bug.
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To: rossboylan@HIDDEN
Subject: bug#78125: closed (Re: bug#78125: 29.3; Obsolete text-mode-variant
used in elisp manual)
Message-ID: <handler.78125.D78125.174591082730243.notifdone <at> debbugs.gnu.org>
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Your bug report
#78125: 29.3; Obsolete text-mode-variant used in elisp manual
which was filed against the emacs package, has been closed.
The explanation is attached below, along with your original report.
If you require more details, please reply to 78125 <at> debbugs.gnu.org.
--=20
78125: https://debbugs.gnu.org/cgi/bugreport.cgi?bug=3D78125
GNU Bug Tracking System
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Date: Tue, 29 Apr 2025 10:13:32 +0300
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(rossboylan@HIDDEN)
Subject: Re: bug#78125: 29.3; Obsolete text-mode-variant used in elisp manual
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> From: rossboylan@HIDDEN
> Date: Mon, 28 Apr 2025 18:15:31 -0700
>
>
> >From emacs 29.3, open the Elisp info documentation. That
> documentation says it is for emacs 29.2. The `Example Major Modes`
> includes the code `(setq-local text-mode-variant t)`.
>
> I tried using some old code that included that command. The result was
>
> .emacs:39:15: Warning: âtext-mode-variantâ is an obsolete variable (as of
> 27.1); use âderived-mode-pâ instead.
>
> So I think the example needs to be updated.
Thanks.
I updated the example on the emacs-30 branch, but note that the actual
definition of text-mode still sets that variable, since we haven't
removed it yet.
> A secondary matter: naively following the error message would result in
> this code: (setq-local derived-mode-p t), which I assume is a bad idea
> and probably an error.
Yes, you are supposed to look up the documentation of the replacement
to figure out how to use it. I made the text of the obsolescence
message more clear in that regard.
And with that, I'm closing this bug.
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Subject: 29.3; Obsolete text-mode-variant used in elisp manual
Date: Mon, 28 Apr 2025 18:15:31 -0700
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From emacs 29.3, open the Elisp info documentation. That
documentation says it is for emacs 29.2. The `Example Major Modes`
includes the code `(setq-local text-mode-variant t)`.
I tried using some old code that included that command. The result was
.emacs:39:15: Warning: =C3=A2=C2=80=C2=98text-mode-variant=C3=A2=C2=80=C2=
=99 is an obsolete variable (as of
27.1); use =C3=A2=C2=80=C2=98derived-mode-p=C3=A2=C2=80=C2=99 instead.
So I think the example needs to be updated.
I just commented out the line.
A secondary matter: naively following the error message would result in
this code: (setq-local derived-mode-p t), which I assume is a bad idea
and probably an error.
Running Ubuntu 24.04.2. BTW, despite what the automated report below
says, it is using Wayland, not X.
In GNU Emacs 29.3 (build 1, x86_64-pc-linux-gnu, GTK+ Version 3.24.41,
cairo version 1.18.0) of 2024-09-17, modified by Debian built on
lcy02-amd64-065
Windowing system distributor 'The X.Org Foundation', version 11.0.12302006
System Description: Ubuntu 24.04.2 LTS
Configured using:
'configure --build x86_64-linux-gnu --prefix=3D/usr
--sharedstatedir=3D/var/lib --libexecdir=3D/usr/libexec
--localstatedir=3D/var/lib --infodir=3D/usr/share/info
--mandir=3D/usr/share/man --with-libsystemd --with-pop=3Dyes
--enable-locallisppath=3D/etc/emacs:/usr/local/share/emacs/29.3/site-lisp:=
/usr/local/share/emacs/site-lisp:/usr/share/emacs/29.3/site-lisp:/usr/share=
/emacs/site-lisp
--with-sound=3Dalsa --without-gconf --with-mailutils
--with-native-compilation --build x86_64-linux-gnu --prefix=3D/usr
--sharedstatedir=3D/var/lib --libexecdir=3D/usr/libexec
--localstatedir=3D/var/lib --infodir=3D/usr/share/info
--mandir=3D/usr/share/man --with-libsystemd --with-pop=3Dyes
--enable-locallisppath=3D/etc/emacs:/usr/local/share/emacs/29.3/site-lisp:=
/usr/local/share/emacs/site-lisp:/usr/share/emacs/29.3/site-lisp:/usr/share=
/emacs/site-lisp
--with-sound=3Dalsa --without-gconf --with-mailutils
--with-native-compilation --with-cairo --with-x=3Dyes
--with-x-toolkit=3Dgtk3 --with-toolkit-scroll-bars 'CFLAGS=3D-g -O2
-fno-omit-frame-pointer -mno-omit-leaf-frame-pointer
-ffile-prefix-map=3D/build/emacs-sI82Rh/emacs-29.3+1=3D. -fstack-protector=
-strong
-fstack-clash-protection -Wformat -Werror=3Dformat-security
-fcf-protection
-fdebug-prefix-map=3D/build/emacs-sI82Rh/emacs-29.3+1=3D/usr/src/emacs-1:2=
9.3+1-1ubuntu2+esm1
-Wall' 'CPPFLAGS=3D-Wdate-time -D_FORTIFY_SOURCE=3D3'
'LDFLAGS=3D-Wl,-Bsymbolic-functions -Wl,-z,relro''
Configured features:
ACL CAIRO DBUS FREETYPE GIF GLIB GMP GNUTLS GPM GSETTINGS HARFBUZZ JPEG
JSON LCMS2 LIBOTF LIBSELINUX LIBSYSTEMD LIBXML2 M17N_FLT MODULES
NATIVE_COMP NOTIFY INOTIFY PDUMPER PNG RSVG SECCOMP SOUND SQLITE3
THREADS TIFF TOOLKIT_SCROLL_BARS TREE_SITTER WEBP X11 XDBE XIM XINPUT2
XPM GTK3 ZLIB
Important settings:
value of $LANG: en_US.UTF-8
locale-coding-system: utf-8-unix
Major mode: Info
Minor modes in effect:
shell-dirtrack-mode: t
tooltip-mode: t
global-eldoc-mode: t
show-paren-mode: t
electric-indent-mode: t
mouse-wheel-mode: t
tool-bar-mode: t
menu-bar-mode: t
file-name-shadow-mode: t
isearch-fold-quotes-mode: t
global-font-lock-mode: t
font-lock-mode: t
blink-cursor-mode: t
buffer-read-only: 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:
None found.
Features:
(shadow sort mail-extr emacsbug message mailcap yank-media puny rfc822
mml mml-sec password-cache epa epg rfc6068 epg-config gnus-util
mm-decode mm-bodies mm-encode mail-parse rfc2231 mailabbrev gmm-utils
mailheader sendmail rfc2047 rfc2045 ietf-drums mm-util mail-prsvr
mail-utils jka-compr derived display-line-numbers conf-mode pcmpl-unix
vc-hg vc-git diff-mode vc-bzr vc-src vc-sccs vc-svn vc-cvs vc-rcs
log-view easy-mmode pcvs-util vc-dir ewoc vc vc-dispatcher byte-opt
compile info shortdoc text-property-search help-fns radix-tree mule-util
apropos misearch multi-isearch time-date view dired-aux dired
dired-loaddefs sh-script smie treesit executable files-x shell pcomplete
comint ansi-osc ansi-color ring comp comp-cstr warnings subr-x rx cl-seq
cl-macs gv cl-extra help-mode bytecomp byte-compile cus-edit pp
cus-start cus-load icons wid-edit cl-loaddefs cl-lib rmc iso-transl
tooltip cconv eldoc paren electric uniquify ediff-hook vc-hooks
lisp-float-type elisp-mode mwheel term/x-win x-win term/common-win x-dnd
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
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------------=_1745910842-30381-1--
X-Loop: help-debbugs@HIDDEN
Subject: bug#78125: 29.3; Obsolete text-mode-variant used in elisp manual
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Thanks, Eli!
Ross
On Tue, Apr 29, 2025 at 12:13=E2=80=AFAM Eli Zaretskii <eliz@HIDDEN> wrote=
:
>
> > From: rossboylan@HIDDEN
> > Date: Mon, 28 Apr 2025 18:15:31 -0700
> >
> >
> > >From emacs 29.3, open the Elisp info documentation. That
> > documentation says it is for emacs 29.2. The `Example Major Modes`
> > includes the code `(setq-local text-mode-variant t)`.
> >
> > I tried using some old code that included that command. The result was
> >
> > .emacs:39:15: Warning: =C3=A2=E2=82=AC=CB=9Ctext-mode-variant=C3=A2=E2=
=82=AC=E2=84=A2 is an obsolete variable (as of
> > 27.1); use =C3=A2=E2=82=AC=CB=9Cderived-mode-p=C3=A2=E2=82=AC=E2=84=
=A2 instead.
> >
> > So I think the example needs to be updated.
>
> Thanks.
>
> I updated the example on the emacs-30 branch, but note that the actual
> definition of text-mode still sets that variable, since we haven't
> removed it yet.
>
> > A secondary matter: naively following the error message would result in
> > this code: (setq-local derived-mode-p t), which I assume is a bad idea
> > and probably an error.
>
> Yes, you are supposed to look up the documentation of the replacement
> to figure out how to use it. I made the text of the obsolescence
> message more clear in that regard.
>
> And with that, I'm closing this bug.
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