On Wed, 7 Jun 2017, Tony Finch wrote: > You can use "manifest" constants for laying out a structure, e.g. > > MANIFEST { car; cdr; } > > declares car and cdr to have values 0 and 1. [...] Which of course led to C's "enum" facility. ` -- Dave Horsfall DTM (VK2KFU) "Those who don't understand security will suffer."