SDF has taken several years to put together and would not exist in its current form without the contributions below.
Firstly, thanks to my former Leeds and Northrup Australia colleagues, particularly Tom Beale, Craig Gibbings and Greg Birnie, for inspiring my initial interest in literate programming.
Secondly, thanks to Tim Hudson (firstname.lastname@example.org) for being SDF's biggest fan. Tim has assisted in design, fixed bugs, added features, "sold" SDF to many of its current user base and generally hassled me to package SDF into its current form. Thanks also to Chris Moran (email@example.com) for maintaining the SDF Home Page, assisting in design, etc. Many other Mincom colleagues have assisted with SDF, particularly Craig Willis and David Cox. Thanks to everyone involved.
Finally, thanks to my wife, Geraldine, for being my best friend and inspiring me to develop SDF.