git-svn-id: https://svn.apache.org/repos/asf/ant/core/trunk@271659 13f79535-47bb-0310-9956-ffa450edef68
* Moved selectors into their own package. * Added <is-empty> selector. git-svn-id: https://svn.apache.org/repos/asf/ant/core/trunk@271599 13f79535-47bb-0310-9956-ffa450edef68
git-svn-id: https://svn.apache.org/repos/asf/ant/core/trunk@271568 13f79535-47bb-0310-9956-ffa450edef68