--- a/mercurial/subrepo.py	Sat Nov 07 16:29:49 2009 -0600
+++ b/mercurial/subrepo.py	Sat Nov 07 16:30:42 2009 -0600
@@ -58,6 +58,8 @@
         repo.ui.debug(_("  subrepo %s: %s %s\n") % (s, msg, r))
 
     for s, l in s1.items():
+        if wctx.sub(s).dirty():
+            l = (l[0], l[1] + "+")
         a = sa.get(s, nullstate)
         if s in s2:
             r = s2[s]