regress/roff/cond/register.in


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.TH REGISTER 1 "May 31, 2015" OpenBSD
.SH NAME
register \- conditional testing whether a register is defined
.SH DESCRIPTION
.ie rmyreg OOPS
.el not yet defined
.br
.nr myreg 0
.ie rmyreg now defined
.el OOPS
.if !rmyreg OOPS