xhtml2-20040722, section 8.7, incorrect example

The <pre> example in section 8.7 is incorrect. The resulting rendering should
start and end with a blank line since the start (resp. end) tag of the element
is immediately followed (resp. preceeded) by a carriage return.

http://www.w3.org/TR/2004/WD-xhtml2-20040722/xhtml2.html#sec_8.7.

</Daniel>