[server] Reprase messages of db-check to avoid using "system" and "sources"
And rather mention "entity type table" and "entities" table, which are
clearer references.
.. -*- coding: utf-8 -*-
.. _Part4:
----------
Appendixes
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The following chapters are reference material.
.. toctree::
:maxdepth: 1
:numbered:
faq
rql/index
mercurial
depends
docstrings-conventions