Archifast macros (c) by Francisco Jayo-August 28, 1998
http://netdial.caribe.net/~franjayo/afast98.htm

Line Box
macro LB
ECOFF
gp p1 ^Dfirst line box corner
|box p1 ^D
|selbye
|explode p1;
|selbyd
ECON
ENDM