These files were obtained from:

x11:	rgb.txt
		xorg-x11-server-utils-7.4-3.fc10.x86_64.rpm
			/usr/share/X11/rgb.txt

svg:	types.html
		http://www.w3.org/TR/SVG/types.html

	brewer_color : ?

tk:	xcolors.c
		tk-8.5.3-4.fc10.src.rpm
			tk8.5.3/xlib/xcolors.c
	
