2 (
3 case "$x" in
4 x) foo ;;
5 *) bar ;;
6 esac &&
7 foobar
8 ) &&
9 (
10 case "$x" in
11 x) foo ;;
12 *) bar ;;
13 esac ?!AMP?!
14 foobar
15 ) &&
16 (
17 case "$x" in 1) true;; esac &&
18 case "$y" in 2) false;; esac ?!AMP?!
19 foobar
20 )