[web/form] Relax condition for non-translating field names
we should test true condition instead of None, so if one raise a ValidationError
using an empty string as 'no-field' marker instead of None, we don't get the PO
file header that gettext likes to return when one attempt to translate an empty
string.
.. -*- coding: utf-8 -*-
Writing text reports with RestructuredText
==========================================
|cubicweb| offers several text formats for the RichString type used in schemas,
including restructuredtext.
Three additional restructuredtext roles are defined by |cubicweb|:
.. autofunction:: cubicweb.ext.rest.eid_reference_role
.. autofunction:: cubicweb.ext.rest.rql_role
.. autofunction:: cubicweb.ext.rest.bookmark_role