Merge r658549 and r658793 from trunk:

the example for IfDefine
*make the example for IfDefine use multiple-parameter.
 Pointed out by: Andrew Ford <A.Ford ford-mason.co uk>
* and minor cleanups

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.2.x@658794 13f79535-47bb-0310-9956-ffa450edef68