<code>
This is preformatted code all spaces are preserved: like              <-this
</code>

<file>
This is pretty much the same, but you could use it to show that you quoted a
file.  
</file>

<nowiki>
This is some text which contains addresses like this:
http://www.splitbrain.org and **formatting**, but nothing is done with it.
</nowiki>
