tree 8ff02689d1f596db22952dc2547514895247f81b
parent b80888d73adec3d28c6df815a4042238c63a05e3
author Hao Zhu <haozhu233@gmail.com> 1603079587 -0400
committer Hao Zhu <haozhu233@gmail.com> 1603079727 -0400

added include_thead support to column_spec (part of #551)