phf: to close upstack before it gets lost, you need http://ave1.org/2018/gnat-zero-foot-print-take-4-introduction-of-the-platform/ and http://ave1.org/2018/gnat-zero-foot-print-take-3-regrind/ the later is a full regrind (which i also didn't notice until btcbase failed to link 4 to rest)