There is very little to say about Simpledoc. It is a tool I created to create the HTML files with the documents source that I distribute with Dandelion.
It generates HTML files from a single file of Tcl source, or all Tcl source files in a directory. It uses very simple wiki-like markup to format comments with headings, lists and tables.
Simpledoc uses uses some code from Jeff Hobbs’ tcl2html.
Simpledoc is free (GPL licensed) software and can be downloaded from here.