# These may be a bit unclear in the POSIX spec or the proposed revisions,
# and conflict with bash's interpretation, but I think ksh93's interpretation
# makes most sense. In particular, it makes no sense to me that single-quotes
# must match but are not removed.

e= q='?' a='*' t=texttext s='ast*que?non' p='/et[c]/' w='a b c' b='{{(#)}}'
h='##'
failures=''
ok=''

testcase() {
	code="$1"
	expected="$2"
	oIFS="$IFS"
	eval "$code"
	IFS='|'
	result="$#|$*"
	IFS="$oIFS"
	if [ "x$result" = "x$expected" ]; then
		ok=x$ok
	else
		failures=x$failures
		echo "For $code, expected $expected actual $result"
	fi
}

testcase 'set -- ${e:-'"'"'}'"'"'}'		'1|}'
testcase "set -- \${e:-\\'}"			"1|'"
testcase "set -- \${e:-\\'\\'}"			"1|''"
testcase "set -- \"\${e:-'}\""			"1|'"
testcase "set -- \"\${e:-'}'}\""		"1|''}"
testcase "set -- \"\${e:-''}\""			"1|''"
testcase 'set -- ${e:-\a}'			'1|a'
testcase 'set -- "${e:-\a}"'			'1|\a'

test "x$failures" = x