Merge 1.9.x branch into master

manual/Tasks/conditions.html

@@ -588,6 +588,7 @@ firewalls.</p>
 <p><em>Since Apache Ant 1.7</em>.</p>
 
 <table class="attr">
+
   <tr>
     <th scope="col">Attribute</th>
     <th scope="col">Description</th>

src/main/org/apache/tools/ant/taskdefs/condition/IsReachable.java

@@ -47,9 +47,6 @@ import org.apache.tools.ant.ProjectComponent;
  * on the floor. Similarly, a host may be detected as reachable with ICMP, but not
  * reachable on other ports (i.e. port 80), because of firewalls.</p>
  *
- * <p>Requires Java 5+ to work properly. On Java 1.4, if a hostname
- * can be resolved, the destination is assumed to be reachable.</p>
- *
  * @since Ant 1.7
  */
 public class IsReachable extends ProjectComponent implements Condition {