fix some small bugs in encoding support.  Now we at least recognize EBDIC and many flavours of Unicode and UTF-16.  We still cannot process documents written in these encodings.
fix some small bugs in encoding support.  Now we at least recognize EBDIC and many flavours of Unicode and UTF-16.  We still cannot process documents written in these encodings.


git-svn-id: 21df804813e9d3638e43477f308dd0be51e5f30f@318010 13f79535-47bb-0310-9956-ffa450edef68

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