Erl_docgen -
The application consists of the following parts
XSL: A number of XSL files that is used to transform the xml files to html, pdf or man pages.
DTDs: The DTDs used for the OTP documentation.
escripts: Some scripts that is used to produce xml files according to OTP DTDs from some different input.
misc: Erlang logo, javascripts and css stylesheets used in the documentation.