kc3-lang/kc3

diff --git a/test/tuple_test.c b/test/tuple_test.c
index 4e45272..95fc957 100644
--- a/test/tuple_test.c
+++ b/test/tuple_test.c
@@ -117,10 +117,10 @@ void tuple_test_init_1 ()
   TUPLE_TEST_INIT_1("{:a, :b}");
   TUPLE_TEST_INIT_1("{:a, :b, :c}");
   TUPLE_TEST_INIT_1("{:a, :b, :c, :d}");
-  TUPLE_TEST_INIT_1("{:{:a, :b}, :{:c, :d}}");
-  TUPLE_TEST_INIT_1("{:{:a, :b}, :{:c, :d}, :{:e, :f}}");
-  TUPLE_TEST_INIT_1("{:{:a, :b}, :{:c, :d}, :{:e, :f}, :{:g, :h}}");
-  TUPLE_TEST_INIT_1("{:{:a, :b}, :{:c, :d}, :{:e, :f}, :{:g, :h}, :{:i, :j}}");
+  TUPLE_TEST_INIT_1("{{:a, :b}, {:c, :d}}");
+  TUPLE_TEST_INIT_1("{{:a, :b}, {:c, :d}, {:e, :f}}");
+  TUPLE_TEST_INIT_1("{{:a, :b}, {:c, :d}, {:e, :f}, {:g, :h}}");
+  TUPLE_TEST_INIT_1("{{:a, :b}, {:c, :d}, {:e, :f}, {:g, :h}, {:i, :j}}");
 }
 
 void tuple_test_inspect ()
@@ -136,10 +136,10 @@ void tuple_test_new_1 ()
   TUPLE_TEST_NEW_1("{:a, :b}");
   TUPLE_TEST_NEW_1("{:a, :b, :c}");
   TUPLE_TEST_NEW_1("{:a, :b, :c, :d}");
-  TUPLE_TEST_NEW_1("{:{:a, :b}, :{:c, :d}}");
-  TUPLE_TEST_NEW_1("{:{:a, :b}, :{:c, :d}, :{:e, :f}}");
-  TUPLE_TEST_NEW_1("{:{:a, :b}, :{:c, :d}, :{:e, :f}, :{:g, :h}}");
-  TUPLE_TEST_NEW_1("{:{:a, :b}, :{:c, :d}, :{:e, :f}, :{:g, :h}, :{:i, :j}}");
+  TUPLE_TEST_NEW_1("{{:a, :b}, {:c, :d}}");
+  TUPLE_TEST_NEW_1("{{:a, :b}, {:c, :d}, {:e, :f}}");
+  TUPLE_TEST_NEW_1("{{:a, :b}, {:c, :d}, {:e, :f}, {:g, :h}}");
+  TUPLE_TEST_NEW_1("{{:a, :b}, {:c, :d}, {:e, :f}, {:g, :h}, {:i, :j}}");
 }
 
 void tuple_test_new_delete ()