All images require text equivalents including those used to identify items in a list. If an image is used as a bullet, it should include the following "alt" text: alt="*" or alt="bullet".
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN" "http://www.w3.org/TR/REC-html40/loose.dtd"> <html lang="en"> <head> <title>aert1.0/1.1.1</title> </head> <body> <img src="star.jpg" width="5" height="5"> </body> </html>
W3C WAI: http://www.w3.org/WAI//
HTML Techniques for WAI 1.0: http://www.w3.org/TR/WCAG10-HTML-TECHS/