Variable: mode-line-format-right-align
mode-line-format-right-align is a variable defined in bindings.el.gz.
Value
(:eval (mode--line-format-right-align))
Documentation
Mode line construct to right align all following constructs.
Probably introduced at or before Emacs version 30.1.
Source Code
;; Defined in /usr/src/emacs/lisp/bindings.el.gz
(defvar mode-line-format-right-align '(:eval (mode--line-format-right-align))
"Mode line construct to right align all following constructs.")