Both are available at the above web site. Once the tools are installed, you have a number of commands available to you. Creates a file.html file that contains the Table Of Contents, then creates file-x.html files where x is the section number. Creates two files, the first being file.rtf that contains the TOC, and a file-0.rtf that contains all the sections. The TOC and all sections are all put into file.txt .
All output is sent to file.info .
TeX. sgml2lyx file.sgml - SGML yadda LyX graphical editor. Much like HTML, you can write SGML by hand, once you know all the markup codes you want to use. This section will go over as many of these codes as possible, along with practical examples of each. A nice place to start would be the SGML source for this document, which is available at the web site in the Introduction. As the SGML may be processed differently depending on the file format you go to, I'll try to list some things to know about as you're writing.