TODO - 2008-01-25
-----------------
- Add access methods and make node structure opaque.
-- To allow for C++ migration
-- To make future binary compatibility easier
- Add C++ class/struct.
-- Make this the core implementation which the C API accesses?
-- Class would allow for subclassing, is that necessary?
- Binary XML support???
- mxmldoc
DONE -- --css filename option
-- First paragraph is description
-- Remaining is "Discussion"
-- Add element for write_description().
-- Add write_function() with base heading level, add for methods.
-- --framed filename option (filename-toc.html,
filename-body.html, filename.html)
-- Add link/constant markup a la Doxygen for description text.
--- @code foo@ for foo
--- @link name@ for name