Variable: tab-line-add-map
tab-line-add-map is a variable defined in tab-line.el.gz.
Value
<tab-line> <down-mouse-1> tab-line-new-tab
<tab-line> <down-mouse-2> tab-line-new-tab
RET tab-line-new-tab
Documentation
Local keymap to add tab-line-mode(var)/tab-line-mode(fun) window tabs.
Source Code
;; Defined in /usr/src/emacs/lisp/tab-line.el.gz
(defvar-keymap tab-line-add-map
:doc "Local keymap to add `tab-line-mode' window tabs."
"<tab-line> <down-mouse-1>" #'tab-line-new-tab
"<tab-line> <down-mouse-2>" #'tab-line-new-tab
"RET" #'tab-line-new-tab)