1( 2 x=line 1 line 2 line 3" && 3?!AMP?! y=line 1 line2' 4 foobar 5>) && 6( 7 echo "there's nothing to see here" && 8 exit 9>)
(
x=line 1 line 2 line 3" &&
?!AMP?! y=line 1 line2'
foobar
>) &&
echo "there's nothing to see here" &&
exit
>)