otto (05/27/82)
For a discussion of this, see Gannon, J.D., "Language design to enhance program reliability," Tech. Rep. CSRG-47, Computer Systems Research Group, U of Toronto, 1975; or Gannon, J.D., "An experimental evaluation of data type conventions," CACM 20, 8 (Aug 77), 584-595. George Otto Bell Labs, Indian Hill ----------------------