.fp 3 CW
.CW
.nr cW \n(.f
.ft P
.nr cE \n(.f
.br
.ft 3
.cs 3 24
\(de	usage: edf\&ind f\&ile arg
\(de	f\&ind the last occurrence in 'f\&ile' of\& a line whose 
\(de	beginning matches 'arg', then print 3 lines (the one 
\(de	bef\&ore, the line itself\&, and the one af\&ter)
ed - $1 \(fi\(fi!
H
?\(14$2?
-,+p
!
.br
.cs 3
.ft \n(cE
.ft \n(cW
.CN
