- Make use of the XMLEntityHandler/XMLErrorReporter interfaces, instead of using
EntityHandler/ErrorHandler directly.
- Add 'AbstractDOMParser' class to provide common functionality for XercesDOMParser
and DOMBuilder.


git-svn-id: https://svn.apache.org/repos/asf/xerces/c/trunk@173731 13f79535-47bb-0310-9956-ffa450edef68