Dear maintainers,

With the current master if we launch an emacs -Q session we can use the
mouse pointer to find an invisible button to the left of the "All" word
on the mode line.

Its tooltip shows the same information as the actual "All" button.
Pressing on this invisible button provides a pop-up menu to toggle line
and column number display.

See attached screenshot.

Thank you,
Protesilaos

-- 
Protesilaos Stavrou
https://protesilaos.com