Add a small hack to preserve newlines and still retain the links to the...

Add a small hack to preserve newlines and still retain the links to the doxygen stuff. (presumably this should later be fixed in the highlighter)

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@1343093 13f79535-47bb-0310-9956-ffa450edef68