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+This example shows how to map user-defined XML Schema types to custom C++
+classes. It presents the complex case where the customized types are
+inherited from in the same schema. For the simple case see the contacts
+example. For more information on the C++/Tree mapping customization see
+the C++/Tree Mapping Customization Guide[1].
+
+[1] http://wiki.codesynthesis.com/Tree/Customization_guide
+
+The example consists of the following files:
+
+people.xsd
+  XML Schema definition for a simple people database.
+
+people.xml
+  Sample XML instance document.
+
+people-fwd.hxx
+people.hxx
+people.ixx
+people.cxx
+  C++ types that represent the given vocabulary and a set of parsing
+  functions that convert XML instance documents to a tree-like in-memory
+  object model.
+
+  These files are generated by the XSD compiler from people.xsd using the
+  following command line:
+
+  xsd cxx-tree --generate-forward --generate-polymorphic \
+      --polymorphic-type person \
+      --custom-type "person=person_impl<person_base>/person_base" \
+      --custom-type "superman=superman_impl<superman_base>/superman_base" \
+      --custom-type "batman=batman_impl<batman_base>/batman_base" \
+      --fwd-prologue '#include "people-custom-fwd.hxx"' \
+      --hxx-prologue '#include "people-custom.hxx"' people.xsd
+
+  The --custom-type option is used to customize the person, superman, and
+  batman types. Generation of the people-fwd.hxx forward declaration
+  file is requested with the --generate-forward option. Note also that
+  we use the --generate-polymorphic command line option as well as
+  --polymorphic-type to mark the type hierarchy starting with the
+  person type as polymorphic.
+
+people-custom-fwd.hxx
+  Header file which forward-declares our own person, superman, and batman
+  as class templates. It is included at the beginning of people-fwd.hxx
+  using the --fwd-prologue option.
+
+people-custom.hxx
+  Header file which defines our own person, superman, and batman class
+  templates by inheriting from the generated person_base, superman_base,
+  and batman_base. It is included at the beginning of people.hxx using
+  the --hxx-prologue option.
+
+people-custom.cxx
+  Source file which contains the implementations and instantiations of
+  our person, superman, and batman class templates.
+
+driver.cxx
+  Driver for the example. It first calls one of the parsing functions
+  that constructs the object model from the input file. It then prints
+  the database to STDERR.
+
+To compile and link the example manually from the command line we can use
+the following commands (replace 'c++' with your C++ compiler name):
+
+c++ -c people.cxx
+c++ -c people-custom.cxx
+c++ -c driver.cxx
+c++ -o driver driver.o people.o people-custom.o -lxerces-c
+
+To run the example on the sample XML instance document execute:
+
+./driver people.xml