[sources management] properly set __linkto, closes #1922970
when clicking on 'add mapping part' on an external source view, one expect to have source properly selected in form
.. -*- coding: utf-8 -*-
Server Architecture
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.. image:: images/server-class-diagram.png
`Diagramme ArgoUML`_
[FIXME]
Make a downloadable source of zargo file.
.. _`Diagramme ArgoUML`: cubicweb.zargo