ref: 6d69f6fba35087686f79adb2ea0d67944a62ca7b
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); };