Variable: tab-bar-tab-group-function
tab-bar-tab-group-function is a customizable variable defined in
tab-bar.el.gz.
Value
tab-bar-tab-group-default
Documentation
Function to get a tab group name.
Function gets one argument: a tab.
This variable was added, or its default value changed, in Emacs 28.1.
Source Code
;; Defined in /usr/src/emacs/lisp/tab-bar.el.gz
(defcustom tab-bar-tab-group-function #'tab-bar-tab-group-default
"Function to get a tab group name.
Function gets one argument: a tab."
:type 'function
:initialize #'custom-initialize-default
:set (lambda (sym val)
(set-default sym val)
(force-mode-line-update))
:group 'tab-bar
:version "28.1")