select box for attribute value

With relax-ng, it's possible to have this :
              <element name="lieninterne">
                <text/>
                <attribute name="type">
                  <choice>
                      <value>papier</value>
                      <value>glossaire</value>
                  </choice>
                </attribute>
                <attribute name="id">
                 <text/>
                </attribute>
              </element>

When I add "lieninterne", bitflux ask for the type attribute.
It's possible to have a select box to choose the type instead of a text box ?
-- 
GASC Ludovic - Stagiaire chez Hospimedia
--
travaille sur Kubuntu 5.04 - KDE 3.4
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