invert_colors

	INVERT_COLORS(color)

	This macro returns a color value with the foreground and background
	colors reversed suitable for passing to 'window_'  routines and the
	'wn_' routines wn_display_value(_c), wn_colored_text_c,
	wn_external_display_value_c, and wn_external_colored_text_c.

	color		compound color value

	This macro is found in: macro_h

	Related macros:

	BLINK_COLOR, tv_colors, TV_COLORS_WBLINK, EXTRACT_FORECOLOR,
	EXTRACT_BACKCOLOR, EXTRACT_BLINK