ref: 27598a9c874c115795a3d59de093f8f158a73d87
dir: /appl/cmd/install/protocaller.m/
Protocaller : module{ init: fn(ctxt : ref Draw->Context, args : list of string); protofile: fn(new : string, old : string, d : ref Sys->Dir); WARN, ERROR, FATAL : con iota; protoerr: fn(lev : int, line : int, err : string); };