GNU bug report logs - #42756
28.0.50; tab-bar-show failed to work

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

From: Zhiwei Chen <condy0919 <at> gmail.com>
To: bug-gnu-emacs <at> gnu.org
Subject: 28.0.50; tab-bar-show failed to work
Date: Sat, 08 Aug 2020 04:25:09 +0800

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

The tab-bar always shows even though tab-bar-show is nil.

To reproduce:

    emacs -Q
    M-x tab-bar-mode
    M-: (setq tab-bar-show nil)

In GNU Emacs 28.0.50 (build 1, x86_64-pc-linux-gnu, GTK+ Version 3.24.21, cairo version 1.17.3)
 of 2020-08-08 built on lilydjwg
Repository revision: 7196abecb5f5c3cc1282280d2d337b6a86761656
Repository branch: master
Windowing system distributor 'The X.Org Foundation', version 11.0.12008000
System Description: Arch Linux

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Message #8 received at 42756 <at> debbugs.gnu.org (full text, mbox):

From: Juri Linkov <juri <at> linkov.net>
To: Zhiwei Chen <condy0919 <at> gmail.com>
Cc: 42756 <at> debbugs.gnu.org
Subject: Re: bug#42756: 28.0.50; tab-bar-show failed to work
Date: Sun, 09 Aug 2020 02:45:23 +0300

> The tab-bar always shows even though tab-bar-show is nil.
>
> To reproduce:
>
> emacs -Q
> M-x tab-bar-mode
> M-: (setq tab-bar-show nil)

Actually, the user option 'tab-bar-show' is intended to be customized
using the Customization UI.  Could you please try

  M-x customize-variable RET tab-bar-show RET

Message #11 received at 42756 <at> debbugs.gnu.org (full text, mbox):

From: Condy Chen <condy0919 <at> gmail.com>
To: Juri Linkov <juri <at> linkov.net>
Cc: 42756 <at> debbugs.gnu.org
Subject: Re: bug#42756: 28.0.50; tab-bar-show failed to work
Date: Sun, 9 Aug 2020 17:31:52 +0800

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

> M-x customize-variable RET tab-bar-show RET

tab-bar-mode is disabled after customizing tab-bar-show, but tab-bar-mode
is still functional.

It's confusing.

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Message #14 received at 42756 <at> debbugs.gnu.org (full text, mbox):

From: Juri Linkov <juri <at> linkov.net>
To: Condy Chen <condy0919 <at> gmail.com>
Cc: 42756 <at> debbugs.gnu.org
Subject: Re: bug#42756: 28.0.50; tab-bar-show failed to work
Date: Mon, 10 Aug 2020 02:20:49 +0300

>> M-x customize-variable RET tab-bar-show RET
>
> tab-bar-mode is disabled after customizing tab-bar-show, but tab-bar-mode
> is still functional.
>
> It's confusing.

Please explain what do you mean by saying that tab-bar-mode is still functional.
Can you still switch tabs with the tab bar?

Message #17 received at 42756 <at> debbugs.gnu.org (full text, mbox):

From: Condy Chen <condy0919 <at> gmail.com>
To: Juri Linkov <juri <at> linkov.net>
Cc: 42756 <at> debbugs.gnu.org
Subject: Re: bug#42756: 28.0.50; tab-bar-show failed to work
Date: Mon, 10 Aug 2020 23:24:31 +0800

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

Yes, it does.

Whatever I turn tab-bar-mode on or not, C-x t 2 is always able to create a
tab-bar.

The reddit guys also use this bug (I think it a bug) as a workaround to
hide the bar-bar.

https://www.reddit.com/r/emacs/comments/fh3f4a/is_it_possible_to_use_tabbarmode_but_hide_the_tabs/


On Mon, Aug 10, 2020 at 7:30 AM Juri Linkov <juri <at> linkov.net> wrote:

> >> M-x customize-variable RET tab-bar-show RET
> >
> > tab-bar-mode is disabled after customizing tab-bar-show, but tab-bar-mode
> > is still functional.
> >
> > It's confusing.
>
> Please explain what do you mean by saying that tab-bar-mode is still
> functional.
> Can you still switch tabs with the tab bar?
>

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Message #20 received at 42756 <at> debbugs.gnu.org (full text, mbox):

From: Juri Linkov <juri <at> linkov.net>
To: Condy Chen <condy0919 <at> gmail.com>
Cc: 42756 <at> debbugs.gnu.org
Subject: Re: bug#42756: 28.0.50; tab-bar-show failed to work
Date: Tue, 11 Aug 2020 02:54:04 +0300

> Whatever I turn tab-bar-mode on or not, C-x t 2 is always able to create a
> tab-bar.

Right, C-x t 2 shows the tab-bar by default, and if you don't like this,
you can customize tab-bar-show to nil to not show the tab-bar.

Message #23 received at 42756 <at> debbugs.gnu.org (full text, mbox):

From: Juri Linkov <juri <at> linkov.net>
To: Condy Chen <condy0919 <at> gmail.com>
Cc: 42756 <at> debbugs.gnu.org
Subject: Re: bug#42756: 28.0.50; tab-bar-show failed to work
Date: Wed, 12 Aug 2020 02:17:01 +0300

tags 42756 notabug
close 42756 28.0.50
thanks

>> Whatever I turn tab-bar-mode on or not, C-x t 2 is always able to create a
>> tab-bar.
>
> Right, C-x t 2 shows the tab-bar by default, and if you don't like this,
> you can customize tab-bar-show to nil to not show the tab-bar.

So now closing this report.  Please reopen it when you see a bug.

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