both can coexist and fixed a new minor bugs.  Most of the changes involved
error reporting, now a DOM defined error will return an HRESULT of
0x80040600 + code and will set an error description to the error name.


git-svn-id: https://svn.apache.org/repos/asf/xerces/c/trunk@172507 13f79535-47bb-0310-9956-ffa450edef68