Allow get_post_ancestors() to inspect the $post global, when null/0 is received. see #23708.



git-svn-id: http://core.svn.wordpress.org/trunk@23635 1a063a9b-81f0-0310-95a4-ce76da25c4cd
XML-RPC: Return an error for getRecentPosts (mw and blogger) if the user does not have edit_posts.

props redsweater.
fixes #22320.



git-svn-id: http://core.svn.wordpress.org/trunk@23636 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Revert [23411] until encoding differences are worked out. see #20771.



git-svn-id: http://core.svn.wordpress.org/trunk@23637 1a063a9b-81f0-0310-95a4-ce76da25c4cd