Function: pixel--whistlestop-pixel-up

pixel--whistlestop-pixel-up is a byte-compiled function defined in pixel-scroll.el.gz.

Signature

(pixel--whistlestop-pixel-up N)

Documentation

Scroll text upward by N pixels with each pixel whistlestopped.

Scope moves downward.

Source Code

;; Defined in /usr/src/emacs/lisp/pixel-scroll.el.gz
(defun pixel--whistlestop-pixel-up (n)
  "Scroll text upward by N pixels with each pixel whistlestopped.
Scope moves downward."
  (when (> n 0)
    (let ((vs0 (window-vscroll nil t)))
      (dolist (vs (number-sequence (1+ vs0) (+ vs0 n)))
        (set-window-vscroll nil vs t) (sit-for pixel-wait)))))