OpenBSD-4.6/regress/usr.bin/bc/t8.out

[ 2J]s2
[ 1 0!=2 ]s1
[ 2J]s4
[ 1 0!=4 ]s3
[la 1+sala 2=1 la 7=3 laps.Mla 10>0]s0
la 10>0 
q