GNU bug report logs - #51247
28.0.60; Insufficient documentation of tab-bar.el internal functions

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Message #86 received at 51247 <at> debbugs.gnu.org (full text, mbox):

From: Juri Linkov <juri <at> linkov.net>
To: Eli Zaretskii <eliz <at> gnu.org>
Cc: 51247 <at> debbugs.gnu.org
Subject: Re: bug#51247: 28.0.60; Insufficient documentation of tab-bar.el
 internal functions
Date: Wed, 20 Oct 2021 19:50:53 +0300

>> You assumed in the doc string that those menu items as used
>> to display a menu, whereas in fact those menu items as used
>> to display tabs and other buttons on the tab bar.
>
> I'm trying to understand the difference between the two kinds of
> menus, the one which causes the tab bar to display tabs, vs the one
> that causes the display of a single tab that drops down a menu.
> Please help me understand that difference.

The tab bar is created from the list where elements are either a string,
or a menu-item with a title and a binding.  The title is displayed as
a button on the tab bar.  Clicking on such button calls the binding.
The binding usually is a command that switches tabs.  But the binding
can do everything.

To make the distinction more clear, I created a new command
`tab-bar-menu-bar' that is bound to the button created by
`tab-bar-format-menu-bar'.

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