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diff --git a/docs/examples/jolib/parallelOr.scala b/docs/examples/jolib/parallelOr.scala
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+++ b/docs/examples/jolib/parallelOr.scala
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+/*                     __                                               *\
+**     ________ ___   / /  ___     Scala API                            **
+**    / __/ __// _ | / /  / _ |    (c) 2003, LAMP/EPFL                  **
+**  __\ \/ /__/ __ |/ /__/ __ |                                         **
+** /____/\___/_/ |_/____/_/ | |                                         **
+**                          |/                                          **
+** $Id$
+\*                                                                  */
+
+package examples.jolib;
+/*
+import concurrent.jolib._;
+import concurrent.SyncVar;
+
+/** Implementation in the join-calculus of a parallel OR. */
+object or extends Join {
+
+  object res extends Synchr[boolean](this) { case class C() extends SyncVar[boolean] };
+  object res1 extends Asynchr(this) { case class C(b: boolean); }
+  object res2 extends Asynchr(this) { case class C(b: boolean); }
+  object res1False extends Synchr[boolean](this) { case class C() extends SyncVar[boolean] };
+  object res2False extends Synchr[boolean](this) { case class C() extends SyncVar[boolean] };
+
+  rules(
+    Pair(List(res, res1), { case List(r @ res.C(), res1.C(b)) =>
+      if (b) r.set(b) else r.set(res1False(res1False.C())) }),
+
+    Pair(List(res, res2), { case List(r @ res.C(), res2.C(b)) =>
+      if (b) r.set(b) else r.set(res2False(res2False.C())) }),
+
+    Pair(List(res1False, res2),  { case List(r @ res1False.C(), res2.C(b)) =>
+      r.set(b) }),
+
+    Pair(List(res2False, res1),  { case List(r @ res2False.C(), res1.C(b)) =>
+      r.set(b) })
+  );
+
+  def apply(b1: => boolean, b2: => boolean): boolean = {
+    concurrent.ops.spawn(res1(res1.C(b1)));
+    concurrent.ops.spawn(res2(res2.C(b2)));
+    res(res.C())
+  }
+}
+*/
+object parallelOr {
+
+  def main(args: Array[String]): unit = {
+    def loop: boolean = { while (true) {}; true };
+/*
+    System.out.println("true || true = " + or(true, true));
+    System.out.println("false || false = " + or(false, false));
+    System.out.println("false || true = " + or(false, true));
+    System.out.println("true || false = " + or(true, false));
+    System.out.println("true || loop = " + or(true, loop));
+    System.out.println("loop || true = " + or(loop, true));
+*/
+  }
+
+}