need to update

git-svn-id: https://plugins.svn.wordpress.org/htm-and-underscores-on-pages-and-post/trunk@978811 b8457f37-d9ea-0310-8a92-e5e31aec5664
Tested upto 3.9.2

git-svn-id: https://plugins.svn.wordpress.org/htm-and-underscores-on-pages-and-post/trunk@978816 b8457f37-d9ea-0310-8a92-e5e31aec5664
need a update

git-svn-id: https://plugins.svn.wordpress.org/htm-and-underscores-on-pages-and-post/trunk@978839 b8457f37-d9ea-0310-8a92-e5e31aec5664
Updated

git-svn-id: https://plugins.svn.wordpress.org/htm-and-underscores-on-pages-and-post/trunk@978842 b8457f37-d9ea-0310-8a92-e5e31aec5664