cross ref with branch policy

howto/ldap.md

@@ -422,6 +422,11 @@ done through those steps:
  3. build the Debian package: `git buildpackage`
  4. deploy the Debian package
 
+Note that you may want to review our feature branches to see if
+our changes have been accepted upstream and, if not, update and resend
+the feature branches. See the [branch policy](#branching-policy) documentation for
+more ideas.
+
 Note that unless the change is trivial, the Debian package should be
 deployed *very* carefully. Because userdir-ldap is such a critical
 piece of infrastructure, it can easily break stuff like PAM and