[TxMt] doctype macro?

[Kai Vermehr]

At the screencast "Putting Flickr on Rails" right after the  
beginning, a doctype is added to application.rhtml. After typing  
'doctype' a dropdown menu appears (right behind the word) with the  
XHTML doctypes to chose from. How is this done? I've tried to find  
the shortcut, but no success ... or is this a user-defined macro?

'k?

<http://media.rubyonrails.org/video/flickr-rails-ajax.mov>
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k 'E  B  O  Y
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