gruehle/MarkdownPreview — pull request #1 by ryanstewart (2012-12-20 08:09:01+00:00)
Title: Modified Icon and Active State

I really want to use this for Edge Code in the next release so I made it behave like the other icons in Edge Code.

Now when the markdown viewer window is active, the icon turns black. When the mouse hovers over it the icon darkens slightly.