tree 07693efd72a26300c08854ce2f48deaf410aaa93
parent 5e2528eb68bab80cfdde41f090dbebac37f7dd9b
author Hao Zhu <haozhu233@gmail.com> 1596460906 -0400
committer Hao Zhu <haozhu233@gmail.com> 1596460906 -0400

Done with latex collapse_rows #484