.\" $OpenBSD: bad.in,v 1.1 2018/08/23 14:16:12 schwarze Exp $ .TH SHIFT_BAD 1 "August 23, 2018" .SH NAME .B shift-bad \(en wrong usage of macro arguments .SH DESCRIPTION initial text .de mym in macro: "\\$1" .PP invalid argument number 'x': "\\$x" .. .PP argument used before call: "\$1" .shift .PP .mym argument .PP argument used after call: "\$1" .shift 2 .PP .de mym .shift badarg after shift badarg: "\\$1" .shift 2 after excessive shift: \\n(.$ "\\$1" .. .mym arg1 arg2 .PP final text