Everynow and then you need to know how to deal with some pesky little characters like copyright [©] and registered [ ®]
http://www.shopfitter.com/html-special-characters.htm
http://www.chami.com/tips/Internet/050798I.html
http://www.degraeve.com/reference/specialcharacters.php
http://www.utexas.edu/learn/html/spchar.html
http://www.w3.org/TR/html401/sgml/entities.html
