The XMLDoc tool for API documentation is explained here:
http://edn.embarcadero.com/article/32770
Are there any free or commercial tools which can be used to cre
This isn't a direct answer, but if you want to use XMLDoc for your Delphi code, I strongly recommend this open tool plug-in from CodeCentral. I just tested it in Delphi 2010, and it still works fine.
Check out:
These tools should be able to create help files, and quite possibly also use XMLDoc as their input (both are Delphi-compatible or even written in Delphi).
Marc