GitLab

(coordinates_in_window): Use WINDOW_LEFT_MARGIN, WINDOW_RIGHT_MARGIN,
and WINDOW_RIGHT_EDGE.  Adjust for left-side scroll bar margin.
(window_loop, Fdisplay_buffer): Use new WINDOW_FULL_WIDTH_P macro.
(window_internal_width): Window width now always includes the
scroll bar, if any.  Use WINDOW_RIGHTMOST_P and WINDOW_FULL_WIDTH_P.