fix(tei.damage): allow text() in tei:damage

schema/edxml.rng

@@ -1799,6 +1799,9 @@
                 <optional>
                     <ref name="model.analysis"/>
                 </optional>
+                <optional>
+                    <text/>
+                </optional>
             </oneOrMore>
             <sch:pattern>
                 <sch:rule context="*:damage[parent::*:column]">