ref: da5c0bada7be9dd82ca1f63e621670143597d3bb
dir: /sys/src/cmd/dict/t.awk/
NF == 2 {
if($2 !~ / or / || $2 ~ /\(or/)
print $0
else {
n = split($2, a, / or /)
for(i = 1; i <= n; i++) {
printf "%s\t%s\n", $1, a[i]
}
}
}
NF != 2 {
print $0
}