Formatter option is now composed of two data: flags (lower 16 bits) and indentation size (higher 16 bits).

DictType and ListType formatter use both indent and flag options.
Simple-store now makes a DictType from its data and its ToString() function returns dict.ToString()

t_dict_test.go

@@ -110,7 +110,7 @@ func TestDictToStringMultiLine(t *testing.T) {
 	var good bool
 	section := "dict-ToString-ML"
 	want := `{
-	"first": 1
+  "first": 1
 }`
 	args := map[any]*term{
 		"first": newLiteralTerm(NewValueToken(0, 0, SymInteger, "1", 1)),