dbrefs added

diff --git a/schemas/vamsas.xsd b/schemas/vamsas.xsd
index a18648f..fc1193f 100755 (executable)
--- a/schemas/vamsas.xsd
+++ b/schemas/vamsas.xsd
@@ -38,7 +38,23 @@
        <xs:element name="SequenceSet">\r
                <xs:complexType>\r
                        <xs:sequence>\r
-                               <xs:element name="Sequence" type="vamsas:SequenceType" maxOccurs="unbounded"/>\r
+                               <xs:element name="Sequence" maxOccurs="unbounded">\r
+                                       <xs:complexType>\r
+                                               <xs:complexContent>\r
+                                                       <xs:extension base="vamsas:SequenceType">\r
+                                                               <xs:sequence>\r
+                                                                       <xs:element name="DBRef" minOccurs="0" maxOccurs="unbounded">\r
+                                                                               <xs:complexType>\r
+                                                                                       <xs:attribute name="source" type="xs:string"/>\r
+                                                                                       <xs:attribute name="version" type="xs:string"/>\r
+                                                                                       <xs:attribute name="accessionId" type="xs:string"/>\r
+                                                                               </xs:complexType>\r
+                                                                       </xs:element>\r
+                                                               </xs:sequence>\r
+                                                       </xs:extension>\r
+                                               </xs:complexContent>\r
+                                       </xs:complexType>\r
+                               </xs:element>\r
                                <xs:element name="Annotation" minOccurs="0" maxOccurs="unbounded">\r
                                        <xs:complexType>\r
                                                <xs:sequence>\r