Updated the hdoc_to_opale schema to take the local explanation of a question...

Updated the hdoc_to_opale schema to take the local explanation of a question within a QCM into consideration

hdoc_to_opale/schema/hdoc1-xhtml.rng

@@ -195,6 +195,11 @@
                         <text/>
                     </element>
                 </optional>
+                <optional>
+                    <element name="div">
+                        <ref name="DivType"/>
+                    </element>
+                </optional>
                 <ref name="Flow"/>
             </element>
         </oneOrMore>

hdoc_to_opale/schema/type.rng

@@ -45,6 +45,8 @@
                     <value>choice-correct</value>
                     <value>choice-incorrect</value>
                     <value>explanation</value>
+                    <value>explanation-choice-correct</value>
+                    <value>explanation-choice-incorrect</value>
                 </choice>
             </attribute>
         </optional>