window_left_or_right_coord

	WINDOW_LEFT_OR_RIGHT_COORD(window_id)

	This macro returns a screen column coordinate value that will
	position one window directly to the left or right of another
	depending on where there is sufficient room to place the window.

	window_id	ID of reference window

	This macro is found in: macro_h

	Related macros:

	WINDOW_CENTER_COORD, WINDOW_ABOVE_COORD, WINDOW_BELOW_COORD,
	WINDOW_ABOVE_OR_BELOW_COORD, WINDOW_LEFT_COORD,
	WINDOW_RIGHT_COORD, WINDOW_ALIGN_COORD,
	WINDOW_ALIGN_CENTER_COORD, WINDOW_ALIGN_ABOVE_COORD,
	WINDOW_ALIGN_BELOW_COORD, WINDOW_ALIGN_ABOVE_OR_BELOW_COORD,
	WINDOW_ALIGN_LEFT_COORD, WINDOW_ALIGN_RIGHT_COORD,
	WINDOW_ALIGN_LEFT_OR_RIGHT_COORD, WINDOW_EXTRACT_ID