JIRA Issue #1386: http://issues.apache.org/jira/browse/XERCESJ-1386. By request, making HTMLCollectionImpl implement java.io.Serializable so that the HTML DOM can be serialized to an ObjectOutputStream when the nodes contain instances of this class.
JIRA Issue #1386: http://issues.apache.org/jira/browse/XERCESJ-1386. By request, making HTMLCollectionImpl implement java.io.Serializable so that the HTML DOM can be serialized to an ObjectOutputStream when the nodes contain instances of this class.

git-svn-id: 39602be06c88ea89c23a8a9fd3d1314146990de6@890183 13f79535-47bb-0310-9956-ffa450edef68

RackerWilliams/xercesj,RackerWilliams/xercesj,RackerWilliams/xercesj