Variable: window-area-factor
window-area-factor is a buffer-local variable defined in window.el.gz.
Documentation
Factor by which the window area should be over-estimated.
This is used by balance-windows-area.
Changing this globally has no effect.
Source Code
;; Defined in /usr/src/emacs/lisp/window.el.gz
;;; A different solution to balance-windows.
(defvar-local window-area-factor 1
"Factor by which the window area should be over-estimated.
This is used by `balance-windows-area'.
Changing this globally has no effect.")