Index: trunk/resources/data/maps.xsd
===================================================================
--- trunk/resources/data/maps.xsd	(revision 17851)
+++ trunk/resources/data/maps.xsd	(revision 17862)
@@ -39,4 +39,5 @@
             <xs:enumeration value="wmts" />
             <xs:enumeration value="tms" />
+            <xs:enumeration value="mvt" />
             <xs:enumeration value="bing" />
             <xs:enumeration value="scanex" />
@@ -648,5 +649,5 @@
                             <!-- Historic id for the imagery source -->
                             <xs:element name="oldid" minOccurs="0" maxOccurs="unbounded" type="tns:oldid" />
-                            <!-- The type. Can be tms, wms and html. In addition, there are the special types bing and scanex 
+                            <!-- The type. Can be mvt, tms, wms and html. In addition, there are the special types bing and scanex
                                 with hardcoded behaviour. -->
                             <xs:element name="type" minOccurs="1" maxOccurs="1" type="tns:type" />