allow doctype node to be inserted after doc is created. The DOM spec was not clear on whether this is forbidden or not, but the DOM Level 3 makes it legal
allow doctype node to be inserted after doc is created.
The DOM spec was not clear on whether this is forbidden or not, but the
DOM Level 3 makes it legal


git-svn-id: 21df804813e9d3638e43477f308dd0be51e5f30f@318375 13f79535-47bb-0310-9956-ffa450edef68

RackerWilliams/xercesj,ronsigal/xerces,RackerWilliams/xercesj,ronsigal/xerces,jimma/xerces,jimma/xerces,ronsigal/xerces,RackerWilliams/xercesj,jimma/xerces