Remove HTML from a new string. see #26709.

Built from https://develop.svn.wordpress.org/trunk@27605


git-svn-id: http://core.svn.wordpress.org/trunk@27448 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Twenty Twelve: improve menu navigation for keyboard and voice-over interactions by properly focusing on submenu items when they are open. See #24839, props dannydehaan, joedolson, lancewillett.
Built from https://develop.svn.wordpress.org/trunk@27606


git-svn-id: http://core.svn.wordpress.org/trunk@27449 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Twenty Thirteen: improve menu navigation for keyboard and voice-over interactions by properly focusing on submenu items when they are open. Closes #24839, props dannydehaan, joedolson, lancewillett, Frank Klein.
Built from https://develop.svn.wordpress.org/trunk@27607


git-svn-id: http://core.svn.wordpress.org/trunk@27450 1a063a9b-81f0-0310-95a4-ce76da25c4cd