perpare to move to 1.6.3

git-svn-id: https://svn.apache.org/repos/asf/ant/core/trunk@277781 13f79535-47bb-0310-9956-ffa450edef68

docs/manual/CoreTasks/conditions.html

@@ -371,7 +371,7 @@ that is "true","yes", or "on"</p>
     Test whether a file passes an embedded selector.
   </p>
   <p>
-    This condition was added in Apache Ant 1.7.
+    This condition was added in Apache Ant 1.6.3.
   </p>
   <table border="1" cellpadding="2" cellspacing="0">
   <tr>