• In Safari, pressing enter either before or after the view won't move the cursor properly or at all.
• In Firefox a border appear around the new paragraph, with the class _moz_abspos="white". It disappear when clicking somewhere else. If you press enter multiple times though, it stays.
• In all browsers deleting the previous empty line from before the view doesn't work.

Cross posting from https://core.trac.wordpress.org/ticket/38757.