Console missing in Xcode 4

My log window is missing 开发者_高级运维in Xcode 4. I don't know what I did, but now there is just a blank gray box where it should be at the bottom the Xcode window.

How can I get it back?

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This button should do the trick:

... which, on my window, can be found here:

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XCode must have been in a funky state, closing and reopening fixed it.