GNU bug report logs - #38680
27.0.50; The tab list increases one after each M-x tab-bar-list

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Message #5 received at submit <at> debbugs.gnu.org (full text, mbox):

From: HaiJun Zhang <netjune <at> outlook.com>
To: Trevor Murphy via Bug reports for GNU Emacs, the Swiss army knife of text editors
 <bug-gnu-emacs <at> gnu.org>
Subject: 27.0.50; The tab list increases one after each M-x tab-bar-list
Date: Fri, 20 Dec 2019 09:31:16 +0800

[Message part 1 (text/plain, inline)]

In GNU Emacs 27.0.50 (build 16, x86_64-apple-darwin17.7.0, NS appkit-1561.61 Version 10.13.6 (Build 17G10021))
 of 2019-12-20 built on jundeMac
Repository revision: dad47bff3d5740d8cacf1495e6becfb16a393bb0
Repository branch: master
Windowing system distributor ‘Apple', version 10.3.1561
System Description: Mac OS X 10.13.6

Reproduce steps:
1. emacs -Q
2. M-x tab-bar-list, there is one item in list
3. M-x tab-bar-list, there are two items in list
4. M-x tab-bar-list, there are three items in list
5 …


Recent messages:
Quit
Making completion list…
Type C-x 1 to delete the help window, C-M-v to scroll help.
Commands: d, x; RET; q to quit; ? for help. [5 times]
Type C-x 1 to delete the help window, C-M-v to scroll help.
g is undefined [2 times]
Commands: d, x; RET; q to quit; ? for help. [2 times]
Making completion list…
Quit
Commands: d, x; RET; q to quit; ? for help. [2 times]

Configured using:
 ‘configure —with-ns ‘CFLAGS=-O0 -g0' --without-makeinfo'

Configured features:
RSVG GLIB NOTIFY KQUEUE ACL GNUTLS LIBXML2 ZLIB TOOLKIT_SCROLL_BARS NS
MODULES THREADS PDUMPER LCMS2 GMP

Important settings:
  value of $LANG: zh_CN.UTF-8
  locale-coding-system: utf-8-unix

Major mode: Lisp Interaction

Minor modes in effect:
  tab-line-mode: t
  tooltip-mode: t
  global-eldoc-mode: t
  eldoc-mode: t
  electric-indent-mode: t
  mouse-wheel-mode: t
  tool-bar-mode: t
  tab-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
  line-number-mode: t
  transient-mark-mode: t

Load-path shadows:
None found.

Features:
(shadow sort mail-extr emacsbug message rmc puny dired dired-loaddefs
format-spec rfc822 mml mml-sec password-cache epa derived epg epg-config
gnus-util rmail rmail-loaddefs 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 cl-extra
time-date subr-x thingatpt help-fns radix-tree help-mode easymenu
cl-loaddefs cl-lib tab-line seq byte-opt gv bytecomp byte-compile cconv
china-util tooltip eldoc electric uniquify ediff-hook vc-hooks
lisp-float-type mwheel term/ns-win ns-win ucs-normalize mule-util
term/common-win tool-bar dnd fontset image regexp-opt fringe
tabulated-list replace newcomment text-mode elisp-mode lisp-mode
prog-mode register page tab-bar menu-bar rfn-eshadow isearch timer
select scroll-bar mouse jit-lock font-lock syntax facemenu font-core
term/tty-colors frame minibuffer cl-generic 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 charscript charprop case-table epa-hook
jka-cmpr-hook help simple abbrev obarray cl-preloaded nadvice loaddefs
button faces cus-face macroexp files text-properties overlay sha1 md5
base64 format env code-pages mule custom widget hashtable-print-readable
backquote threads kqueue cocoa ns lcms2 multi-tty make-network-process
emacs)

Memory information:
((conses 16 55925 11321)
 (symbols 48 6226 1)
 (strings 32 18517 1881)
 (string-bytes 1 551528)
 (vectors 16 11438)
 (vector-slots 8 187417 10948)
 (floats 8 66 90)
 (intervals 56 437 6)
 (buffers 1000 15))

[Message part 2 (text/html, inline)]

Message #8 received at 38680 <at> debbugs.gnu.org (full text, mbox):

From: Juri Linkov <juri <at> linkov.net>
To: HaiJun Zhang <netjune <at> outlook.com>
Cc: 38680 <at> debbugs.gnu.org
Subject: Re: bug#38680: 27.0.50; The tab list increases one after each M-x
 tab-bar-list
Date: Sun, 22 Dec 2019 01:14:50 +0200

merge 38680 38624
quit

> 1. emacs -Q
> 2. M-x tab-bar-list, there is one item in list
> 3. M-x tab-bar-list, there are two items in list
> 4. M-x tab-bar-list, there are three items in list
> 5 …

This is not a tab-list, this is tab-switcher.
This confusion is cleared now.

A proper tab-list like list-buffers or dired
will be developed in bug#38624

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