User blog comment:Sarah Manley/Updates to the Editor Redesign/@comment-1997905-20110718153005/@comment-126761-20110719144517

On preview and show changes: we're still working on them, such as the JS, and adding the buttons to show changes.

The tab idea is an interesting one, for sure.

[If you're wondering, we know about the empty comments above, and are looking at it]