" 
 * What a load of crap. ""That sort of defective html causes annoyance for screen readers who are led to expect a definition, ""   
 : This is not ""defective"" (or even not valid HTML) see http://www.w3.org/TR/html4/struct/lists.html#h-10.3    
 : For the HTML standard, any combination of  and  within a  is valid (except for the empty list . If a screen reader has a problem with such valid HTML, the screen reader is broken.   "