diff --git a/binaries/data/mods/official/maps/scenario_v4.dtd b/binaries/data/mods/official/maps/scenario_v4.dtd
new file mode 100644
index 0000000000..bbe68a9317
--- /dev/null
+++ b/binaries/data/mods/official/maps/scenario_v4.dtd
@@ -0,0 +1,58 @@
+<!ELEMENT Scenario (Environment,Entities,Nonentities)>
+
+	<!ELEMENT Environment (SunColour,SunElevation,SunRotation,TerrainAmbientColour,UnitsAmbientColour)>
+	
+		<!ELEMENT SunColour EMPTY>
+		<!ATTLIST SunColour
+			r CDATA #REQUIRED
+			g CDATA #REQUIRED
+			b CDATA #REQUIRED
+		>
+
+		<!ELEMENT SunElevation EMPTY>
+		<!ATTLIST SunElevation
+			angle CDATA #REQUIRED
+		>
+
+		<!ELEMENT SunRotation EMPTY>
+		<!ATTLIST SunRotation
+			angle CDATA #REQUIRED
+		>
+
+		<!ELEMENT TerrainAmbientColour EMPTY>
+		<!ATTLIST TerrainAmbientColour
+			r CDATA #REQUIRED
+			g CDATA #REQUIRED
+			b CDATA #REQUIRED
+		>
+		<!ELEMENT UnitsAmbientColour EMPTY>
+		<!ATTLIST UnitsAmbientColour
+			r CDATA #REQUIRED
+			g CDATA #REQUIRED
+			b CDATA #REQUIRED
+		>
+
+	<!ELEMENT Entities (Entity*)>
+
+		<!ELEMENT Entity (Template,Player,Position,Orientation)>
+
+			<!ELEMENT Template (#PCDATA)>
+			<!ELEMENT Player (#PCDATA)>
+
+			<!ELEMENT Position EMPTY>
+			<!ATTLIST Position
+				x CDATA #REQUIRED
+				y CDATA #REQUIRED
+				z CDATA #REQUIRED
+			>
+
+			<!ELEMENT Orientation EMPTY>
+			<!ATTLIST Orientation
+				angle CDATA #REQUIRED
+			>
+
+	<!ELEMENT Nonentities (Nonentity*)>
+
+		<!ELEMENT Nonentity (Actor,Position,Orientation)>
+
+			<!ELEMENT Actor (#PCDATA)>