On Thu, 8 Jun 2017, Peter Jeremy wrote: > Two counter-examples > 1) CHS numbers sectors starting from 1, not 0. Ah, those were the days, writing drivers for RK-11s etc... > 2) Pr1meOS was written in Fortran. Ironic, really, considering that "1" is not prime :-) -- Dave Horsfall DTM (VK2KFU) "Those who don't understand security will suffer."