d documentation about how to use catalog in Python Table API
</li>
<li>[<a href='https://issues.apache.org/jira/browse/FLINK-18847'>FLINK-18847</a>] -         Add documentation about data types in Python Table API
</li>
<li>[<a href='https://issues.apache.org/jira/browse/FLINK-18849'>FLINK-18849</a>] -         Improve the code tabs of the Flink documents
</li>
<li>[<a href='https://issues.apache.org/jira/browse/FLINK-18881'>FLINK-18881</a>] -         Modify the Access Broken Link
</li>
<li>[<a href='https:/