* tests/idl4/optional/foo.cpp:
    * tests/idl4/optional/foo.h:
    * tests/idl4/optional/server.cpp:
      Added.

    * tests/idl4/optional/client.cpp:
    * tests/idl4/optional/test.idl:
    * tests/idl4/optional/test.mpc:

    * tests/idl4/optional/test.idl:

    * ridlbe/c++11/templates/cli/hdr/union_idl_traits_def.erb:
    * ridlbe/c++11/templates/cli/inl/except_inl.erb:
    * ridlbe/c++11/templates/cli/inl/union_inl.erb:
    * ridlbe/c++11/templates/cli/prx/union_cdr.erb:
    * ridlbe/c++11/visitors/union.rb:
    * tests/idl4/optional/test.idl:

    * ridlbe/c++11/templates/cli/hdr/union_idl_traits_def.erb:

    * tests/idl4/optional/client.cpp:
    * tests/idl4/optional/test.idl:

    * ridlbe/c++11/templates/cli/inl/except_inl.erb:
    * ridlbe/c++11/templates/cli/inl/union_inl.erb:
    * ridlbe/c++11/visitors/struct.rb:
    * ridlbe/c++11/visitors/union.rb:

    * ridlbe/c++11/templates/cli/prx/struct_cdr.erb:
    * ridlbe/c++11/templates/cli/src/struct_cdr.erb:
    * tao/x11/optional_cdr_t.h:
    * tests/idl4/optional/test.idl:

    * ridlbe/c++11/templates/cli/src/struct_cdr.erb:
    * ridlbe/c++11/visitorbase.rb:

    * ridlbe/c++11/config/cxx_type.rb:
    * ridlbe/c++11/templates/cli/hdr/union_idl_traits_def.erb:
    * ridlbe/c++11/templates/cli/prx/union_cdr.erb:
    * ridlbe/c++11/templates/cli/src/except_cdr.erb:
    * ridlbe/c++11/templates/cli/src/struct_cdr.erb:
    * ridlbe/c++11/templates/cli/src/union_cdr.erb:
    * tao/x11/optional_cdr_t.h:
    * tests/idl4/optional/test.idl:

    * tests/idl4/default_literal/client.cpp:
    * tests/idl4/default_literal/run_test.pl:
    * tests/idl4/default_literal/test.idl:
    * tests/idl4/default_literal/test.mpc:
      Added.

    * bin/taox11_tests.lst:
    * ridlbe/c++11/config/cxx_type.rb:
    * ridlbe/c++11/templates/cli/hdr/union_idl_traits_def.erb:
    * ridlbe/c++11/templates/cli/prx/struct_cdr.erb:
    * ridlbe/c++11/templates/cli/src/bitmask_cdr.erb:
    * ridlbe/c++11/templates/cli/src/bitset_cdr.erb:
    * ridlbe/c++11/templates/cli/src/enum_cdr.erb:
    * ridlbe/c++11/templates/cli/src/except_cdr.erb:
    * ridlbe/c++11/templates/cli/src/struct_cdr.erb:
    * ridlbe/c++11/templates/cli/src/union_cdr.erb:
    * ridlbe/c++11/visitorbase.rb:
    * ridlbe/c++11/visitors/struct.rb:
    * ridlbe/c++11/visitors/union.rb:
    * tao/x11/optional_cdr_t.h:
    * tests/idl4/optional/client.cpp:
    * tests/idl4/optional/foo.cpp:
    * tests/idl4/optional/run_test.pl:
    * tests/idl4/optional/test.idl:

    * tao/x11/optional_cdr_t.h:

    * ridlbe/c++11/config/cxx_type.rb:
    * ridlbe/c++11/templates/cli/src/except_cdr.erb:
    * ridlbe/c++11/templates/cli/src/struct_cdr.erb:
    * ridlbe/c++11/templates/cli/src/union_cdr.erb:
    * tao/x11/optional_cdr_t.h:

    * tests/idl4/optional/client.cpp:
    * tests/idl4/optional/foo.cpp:
    * tests/idl4/optional/test.idl:

    * tao/x11/base/idl_traits_t.h:

    * ridlbe/c++11/visitorbase.rb:

    * ridlbe/c++11/config/cxx_type.rb:
    * ridlbe/c++11/templates/cli/hdr/struct_idl_traits_def.erb:
    * ridlbe/c++11/templates/cli/hdr/union_idl_traits_def.erb:
    * ridlbe/c++11/templates/cli/src/except_cdr.erb:
    * ridlbe/c++11/templates/cli/src/struct_cdr.erb:
    * ridlbe/c++11/templates/cli/src/union_cdr.erb:
    * ridlbe/c++11/visitorbase.rb:
    * tao/x11/optional_cdr_t.h:
    * tao/x11/optional_t.h: