This option lists each of the parameters that is in use. Useless unless your name is Gert Vriend. Make sure that any files 'manual. We use dvips to get a postscript file that gets printed. The latex output can be converted to complete index and cross referenced HTML with the script xxx.
Directives start with a period as the first character on the line.
No other directives are supported. There can only be one directive per line. Directives can be followed by a directive text string or a number. The .HL lines can be closed by a word in brackets. If this word is found anywhere in the text in capitals, a cross reference is create in the WWW page.