.nr X 1 \" always released paper style .ds :? Memorandum Macros .PH "''''" .OH "|\s9\f2\*(:?\fP||\\\\nP\s0|" .EH "|\s9\\\\nP||\f2\*(:?\^\fP\s0|" .ND "April 1, 1980" .rm ND .ds ^ \v'.2m'\s+1^\s-1\v'-.2m' .ds 12 \(12 a vertical space .ds T \(-> '''.if t .ds T \|\h'.35n'\v'-.1n'\s6\zT\s0\v'.1n'\h'-.35n'\(ci\| .ds PM \s-2MM\s+2 .ds Pm M\s-2M\s+2 .ds UX \s-2UNIX\s+2 .ds Ux U\s-2NIX\s+2 .ds PU \s-2UNIX\s+2 .ds Pu U\s-2NIX\s+2 .ds DG =| .if t .ds DG \(dg .ds EM " -- \" .if t .ds EM \(em .if !\nX .TL "39373, 39380" 39373-99 .if \nX .TL MM\*(EMMemorandum Macros .AU "D. W. Smith" DWS PY .AU "J. R. Mashey" JRM WH .AU "E. C. Pariser (January 1980 Revision)" ECP PY .AU "N. W. Smith (April 1980 Revision)" NWS PY .if !\nX .MT .if \nX .MT 4 .HC ^ .nr Cl 2 .de HX .if !\\n(;0 .ds }2 .\ \ \" .. .de Es .DS \\$1 \\$2 .ss 18 \!.ss 18 .. .de Ee .ss 12 \!.ss 12 .DE \\$1 .. .rm EQ .rm EN .rm BS .rm BE .rm )G .rm )H .rm2C .rm1C .rm)2 .rm)1 .rmOF .rmEF .rmEC .rmTB .rmAF .rmNS .rmNE .rmSG