Variable: auto-raise-tab-bar-buttons
auto-raise-tab-bar-buttons is a variable defined in xdisp.c.
Value
t
Documentation
Non-nil means raise tab-bar buttons when the mouse moves over them.
Source Code
// Defined in /usr/src/emacs/src/xdisp.c
DEFVAR_BOOL ("auto-raise-tab-bar-buttons", auto_raise_tab_bar_buttons_p,
doc: /* Non-nil means raise tab-bar buttons when the mouse moves over them. */);