1
2${SH} -c 'echo `echo .BA"DCODE.`
3echo ".BAD"CODE.' 2>&1 | grep -q BADCODE && exit 1
4echo '`"`' | ${SH} -n 2>/dev/null && exit 1
5echo '`'"'"'`' | ${SH} -n 2>/dev/null && exit 1
6exit 0
7