<http://www.campwoodsw.com/sourcemonitor.html> The more complex a piece of source code is, the harder it is for other people to understand, maintain and extend it. The more complex a function, the harder it is to write unit tests for it. Give this tool a try and compare the DOS HEAD in SVN to the Win32 branch.... -- "The Direct3D Graphics Pipeline" -- DirectX 9 draft available for download <http://www.xmission.com/~legalize/book/download/index.html> Legalize Adulthood! <http://blogs.xmission.com/legalize/>