The doctools processor. An application for handling and showcasing the doctools format.The sources are in tcllib, module tclapps. A starkit can be found in sdarchive.
[Describe the purpose of dtp and provide examples of its use. Point to online documentation. Point to a description of the formatting language itself.]
Note that DTP in the outside world mostly is understood as Desktop Publishing, which this is not.
How to output man ...
dtp doc html tcllib/modules/struct/graph.man
dtp doc nroff tcllib/modules/struct/graph.man