To get Linuxdoc SGML version, use sgml-tools-1.0.9j or later and ‘make g.html’. To get Texinfo version, just ‘make g.info’. If Makefile does not work well, open g.texi with emacs, ‘M-x texinfo-format-buffer’ and save. To browse the stuff, C-u M-x info [RET] g.info [RET]. Enjoy.