(Basic Windows): A window has fringe settings,

(Basic Windows): A window has fringe settings,
display margins and scroll-bar settings.
(Splitting Windows): Doc split-window return value.
Clean up one-window-p.
(Selecting Windows): Fix typo.
(Cyclic Window Ordering): Explain frame as ALL-FRAMES in next-window.
(Buffers and Windows): In set-window-buffer, explain effect
on fringe settings and scroll bar settings.
(Displaying Buffers): In pop-to-buffer, explain nil as buffer arg.
(Choosing Window): Use defopt for pop-up-frame-function.
For special-display-buffer-names, explain same-window and same-frame.
Clarify window-dedicated-p return value.
(Textual Scrolling): scroll-up and scroll-down can get an error.
(Horizontal Scrolling): Clarify auto-hscroll-mode.
Clarify set-window-hscroll.
(Size of Window): Don't mention tool bar in window-height.
(Coordinates and Windows): Explain what coordinates-in-window-p
returns for fringes and display margins.
(Window Configurations): Explain saving fringes, etc.