Function: view-set-half-page-size-default

view-set-half-page-size-default is a byte-compiled function defined in view.el.gz.

Signature

(view-set-half-page-size-default LINES)

Documentation

Get and maybe set half page size.

Source Code

;; Defined in /usr/src/emacs/lisp/view.el.gz
(defun view-set-half-page-size-default (lines)
  "Get and maybe set half page size."
  (if (not lines) (or view-half-page-size
		      (/ (view-window-size) 2))
    (setq view-half-page-size
	  (if (zerop (setq lines (prefix-numeric-value lines)))
	      (/ (view-window-size) 2)
	    (view-page-size-default lines)))))