tree 8d9483e38ec1940d4669574a61fc2a6c5bc67310
parent 19c4fa5a5378df13980e97c7bffde349efb0f6f7
author Hao Zhu <haozhu233@gmail.com> 1515522253 -0500
committer Hao Zhu <haozhu233@gmail.com> 1515522253 -0500

add escape to footnote; add function documentation