Please browse through this bundled documentation completely. Most of
the common questions have been answered in the FAQs. Browsing this
documentation may be the quickest way to get an answer. Of course, if
all else fails, as mentioned in the link above, you can post a question
to one of the Xerces-C++ mailing
lists.
See Bug Reporting
if you would like to report a defect (which is greatly appreciated).