Quickprint Options Documentation

I am trying to add/modify the quick print settings. I edited the option_support.ini file to try and some additional parameters.

Under the [profile] group there is a support = everywhere line. I figured that any parameter here would override the same parameter in the actual selected profile.ini.

I added

fill_density = 20

to try and override this parameter but it does not seem to work.

Is there any documentation on what profile parameters can be overridden in the option ini files? These are the file in the resources\quickprint directory.