tree 1521240d11d539d4c6e72ea06107f7ef04db2824
parent 67a3af2cc0ddc3591737369b3a434915b537d334
author iarkh <irina.arkhipets@gmail.com> 1567570760 +0700
committer iarkh <irina.arkhipets@gmail.com> 1567570760 +0700

Fixed Issue #460: tests for Null promotion added, typos corrected.