@code{scroll-preserve-screen-position} to a non-@code{nil} value. In
this mode, when these commands would scroll the text around point off
the screen, or within @code{scroll-margin} lines of the edge, they
-moves point to keep the same vertical position within the window.
+move point to keep the same vertical position within the window.
This mode is convenient for browsing through a file by scrolling by
screenfuls; if you come back to the screen where you started, point
goes back to the line where it started. However, this mode is