.. BDContract documentation master file, created bysphinx-quickstart on Mon Nov 25 16:23:38 2019.You can adapt this file completely to your liking, but it should at leastcontain the root `toctree` directive.

Northland -BDContract document
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.. toctree::
   :maxdepth: 3
   :caption: directory

   1_Introduction.rst2_InstallTips.rst3_IDEUsage.rst4_ContractAPI.rst5_YJSInDepth.rst6_YJSAPI.rst