More HTML cleanups, retrofit of intentional <XA> tag to a no-op

	<A NAME> (thanks, Marc).  Lots of trailing blanks removed throughout.
	Small addition to the new_features_1_3 page.  Plenty of
	cleanup still to come..


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@78545 13f79535-47bb-0310-9956-ffa450edef68