On Sep 8, 2018, at 16:31, Werner LEMBERG wrote:
>>> * Where can I get a concise and up-to-date description of
>>> portfiles? `portfiles.7' seems to be heavily out of date...
>>
>> What would you like to know?
>
> A list of all available variables/keywords, with a description.
Yup, that's supposed to be what's in the guide and the manpage.
There are also many portgroups (similar concept to include files in C), which,
when included into a port, may add new variables or keywords of their own.
About half of the portgroups are documented in the guide.