Javier Múgica wrote:

[...] lack of examples [...]

There is (or at least used to be) a wiki page about TrueType/OpenType loading on the http://luatex.bluwiki.com , and that should help you
get started.

Best wishes,
Taco

So the examples I were missing can be found there. You could provide this link in the page

http://www.luatex.org/documentation.html

it will help a lot.

Thank you