XML parser error

Hi,

I work with the latest version of Mozilla (1.5b) and I get every time 
the following error when I visit the W3C webpage :

XML Parsing Error: undefined entity Location: http://www.w3.org/ Line 
Number 48, Column 22:href="/TR/">Technical&nbsp;Reports</a> | <a 
class="bannerLink" ---------------------^

But if I look to the website with IE, there's no problem. So I'm not 
sure if it's a problem with with Mozilla, or with the code.

greetz,
Sam

-- 
"Whatever creativity is, it is in part a solution to a problem."
Brian Aldiss (b. 1925); British science fiction writer.