Have a look at http://www.w3.org/MarkUp/html-spec/html-spec_toc.html http://www.w3.org/MarkUp/html-spec/html-spec_toc.html. It describes a nearly ideal language

Have a look at http://www.w3.org/MarkUp/html-spec/html-spec_toc.html http://www.w3.org/MarkUp/html-spec/html-spec_toc.html. It describes a nearly ideal language for technical documentation, and it's fully usable on any web browser ever created. That's how the web worked when authors were competent and not beholden to marketers; before the industry dismantled an outstanding hypertext platform and replaced it with an embarrassingly half-assed application platform.