rt</b>: The current target interfaces are heavily
stubbed out and need to be implemented fully.  See the FIXME's in TargetInfo.
Additionally, the actual target implementations (instances of TargetInfoImpl)
also need to be completed.</li>

<li><b>Implement an tool to generate code documentation</b>: Clang's
library-based design allows it to be used by a variety of tools that reason
about source code. One great application of Clang would be to build an
auto-documentation system like doxygen that generates cod