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+[[!comment format=mdwn
+ username="http://joey.kitenet.net/"
+ nickname="joey"
+ subject="comment 3"
+ date="2011-06-03T16:48:04Z"
+ content="""
+The relevant environment variables used by the plugin are `REDIRECT_STATUS` (should be \"404\") and `REDIRECT_URL`. I doubt it can be made to work if ngix does not provide the URL or some other indication of the page that is 404ing..
+"""]]