.if t .tr *\(**=\(eq/\(sl+\(pl
.if !"\\$1"" \s-2\\$1\s0\\$2
.if !"\\$1"" \s+2\\$a\s0\\$2
.if \\n(.$>=2 .IP "\\$1" "\\$2"
.de LS \"LS - Literal display, ASCII, constant spaced DS
.if t .tr '\'`\`^\(ua-\(mi
.de LE \"LE - End literal display
Digital Equipment Corporation\\$1
.if \\n(.$<2 \\$1 1.0 Implementation Notes
.if \\n(.$>=2 \\$1 1.0 Implementation Notes\\c