--- a/doc/swallowtail.tex	Sun Jun 15 17:21:54 2014 -0400
+++ b/doc/swallowtail.tex	Sun Jun 15 17:28:02 2014 -0400
@@ -278,14 +278,15 @@
 and/or feedback mail should be sent.
 There is also an obsolete flag that prevents new uses of the state.
 
+States can be tagged for timeout support; when a PR is put into a
+state tagged for timeout (e.g. ``feedback'') you give a time and a
+reversion state, and if nothing happens in the meantime the state is
+automatically changed at the given time.
+
 NetBSD: we will start out with the same set of states as we have in
 GNATS, plus ``stuck''.
 (A PR is stuck if a respondent is needed and there are none.)
 
-XXX: when you put a PR into feedback state you should provide a
-timeout period and whether the PR should, if the timeout expires, be
-changed to ``stuck'' or ``closed''.
-
 \item
 The \emph{locked} flag.
 A locked PR cannot be edited or commented on until it is first