Combine two strings, using placeholders for filenames and avoiding HTML. see #27057.


git-svn-id: https://develop.svn.wordpress.org/trunk@27604 602fd350-edb4-49c9-b593-d223f7449a82
Remove HTML from a new string. see #26709.


git-svn-id: https://develop.svn.wordpress.org/trunk@27605 602fd350-edb4-49c9-b593-d223f7449a82
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.

git-svn-id: https://develop.svn.wordpress.org/trunk@27606 602fd350-edb4-49c9-b593-d223f7449a82
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.

git-svn-id: https://develop.svn.wordpress.org/trunk@27607 602fd350-edb4-49c9-b593-d223f7449a82