bash currently handles all parameter expansions with $* and $@ as described
in interpretation 888, and the behavior when using an array subscripted
with @ matches identically the behavior of the examples concerning $@.
However, the behavior when using an array subscripted with * does not
always match the behavior of the examples concerning $*.
This difference is surprising since otherwise the behaviors are identical
(though I'm not sure if would be proper to call this a "bug" since the
isomorphism is not explicitly defined in the documentation).
$ set -- "abc" "def ghi" "jkl"
$ A=("$@")
----
$ IFS=':'
$ unset var; printf '%s\n' ${var-$*}
abc
def ghi
jkl
$ unset var; printf '%s\n' ${var-${A[*]}}
abc def ghi jkl
----
$ unset var; printf '%s\n' ${var=$*}
abc
def ghi
jkl
$ printf 'var=%s\n' "$var"
var=abc:def ghi:jkl
$ unset var; printf '%s\n' ${var=${A[*]}}
abc def ghi jkl
$ printf 'var=%s\n' "$var"
var=abc def ghi jkl
----
$ IFS=''
$ unset var; printf '%s\n' ${var-$*}
abcdef ghijkl
$ unset var; printf '%s\n' ${var-${A[*]}}
abc
def ghi
jkl
----
$ unset var; printf '%s\n' ${var=$*}
abcdef ghijkl
$ printf 'var=%s\n' "$var"
var=abcdef ghijkl
$ unset var; printf '%s\n' ${var=${A[*]}}
abc
def
ghi
jkl
$ printf 'var=%s\n' "$var"
var=abc def ghi jkl
