Function: split-root-window-right

split-root-window-right is an interactive and byte-compiled function defined in window.el.gz.

Signature

(split-root-window-right &optional SIZE)

Documentation

Split root window of current frame into two side-by-side windows.

The current window configuration is retained within the left window, and a new window is created on the right, taking up the whole height of the frame. SIZE is treated as by split-window-right and interactively, is the prefix numeric argument.

View in manual

Probably introduced at or before Emacs version 29.1.

Key Bindings

Source Code

;; Defined in /usr/src/emacs/lisp/window.el.gz
(defun split-root-window-right (&optional size)
  "Split root window of current frame into two side-by-side windows.
The current window configuration is retained within the left
window, and a new window is created on the right, taking up the
whole height of the frame.  SIZE is treated as by
`split-window-right' and interactively, is the prefix numeric argument."
  (interactive `(,(when current-prefix-arg
                    (prefix-numeric-value current-prefix-arg))))
  (split-window-right size (frame-root-window)))