Cannot open XML Fragment web page in Mozilla

http://www.w3.org/TR/2001/CR-xml-fragment-20010212 causes Mozilla (Firefox) to return error


<error>

XML Parsing Error: undefined entity
Location: http://www.w3.org/TR/2001/CR-xml-fragment-20010212
Line Number 48, Column 82:Fragment WG is chartered with defining a way to send fragments of an XML document&mdash;regardless
---------------------------------------------------------------------------------^

</error>


Regards,
Nikola