shopt -s -o posix
two="t w  o"
ten="t   e
n"
set 1 "$two" 3 4 5 6 7 8 9 "$ten"

unset IFS
expvar="$*"
case $* in
"$expvar") ;;
*) echo "failed 1" ;;
esac

case $* in
$expvar) ;;
*) echo "failed 2" ;;
esac

alias foo='oneword'
foo_word='foo'
case "$foo_word"
in
        foo) ;;
	*) echo failed 3;;
esac