bug#13723: 24.2.93; Fringe icons corrupt buffer separator line

[Glenn Morris]

Glenn Morris wrote:

> Since at least 24.1 (recipe does not work as written in 23.x).

Since at least 23.2 GTK with

(progn
  (scroll-bar-mode -1)
  (setq truncate-partial-width-windows nil)
  (toggle-truncate-lines -1)
  (with-current-buffer (get-buffer-create "test")
    (erase-buffer)
    (dotimes (i 100)
      (insert (make-string 500 65) "\n")))
  (switch-to-buffer "test")
  (goto-char (point-max))
  (split-window nil nil t)
  (other-window 1)
  (split-window nil nil t)
  (switch-to-buffer "test")
  (goto-char (point-min))
  (while (not (eobp))
    (scroll-up)
    (redisplay t)))