Reinstate 'label' property of nav menu items. Fixes a regression from [22234].

Fixes #24840. Props johnbillion.

git-svn-id: http://core.svn.wordpress.org/trunk@24798 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Don't show "Preview" for locked, non-public post types. props aaroncampbell. fixed #24139.



git-svn-id: http://core.svn.wordpress.org/trunk@24799 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Parse `attrs` before comparing to `attachment.attributes`. Small efficiency gain.

Props garyc40. Fixes #24753.

git-svn-id: http://core.svn.wordpress.org/trunk@24800 1a063a9b-81f0-0310-95a4-ce76da25c4cd