SDF is a freely available documentation system designed and developed by Ian Clatworthy, with help from many others. Based on a simple, readable markup language, SDF generates high quality output in multiple formats, all derived from a single document source. Supported output formats include HTML, PostScript, PDF, man pages, POD, LaTeX, SGML, MIMS HTX and F6 help, MIF, RTF, Windows help and plain text. - dannyman dannyman@tellme.com