It is the &quot;assistant view&quot; which opens a second tab with an editor where it automatically tries to open related files.<p>Although it is now looking like this: <a href="http:&#x2F;&#x2F;i.imgur.com&#x2F;gA8AwmG.png" rel="nofollow">http:&#x2F;&#x2F;i.imgur.com&#x2F;gA8AwmG.png</a>