Index: classes.php
===================================================================
--- classes.php	(revision 15670)
+++ classes.php	(working copy)
@@ -198,6 +198,7 @@
 			// Look for matches.
 			$request_match = $request;
 			foreach ( (array) $rewrite as $match => $query) {
+				$match = rawurldecode($match);
 				// Don't try to match against AtomPub calls
 				if ( $req_uri == 'wp-app.php' )
 					break;

