1 files changed, 3 insertions, 1 deletions
diff --git a/level.dtd b/level.dtd
index d04db1f..934eeda 100644
--- a/level.dtd
+++ b/level.dtd
@@ -14,7 +14,7 @@
   z CDATA #REQUIRED
 >
 
-<!ELEMENT room (triangle)*>
+<!ELEMENT room (floor, (triangle)*)>
 <!ATTLIST room
   id ID #REQUIRED
 >
@@ -26,6 +26,8 @@
   room2 IDREF #REQUIRED
 >
 
+<!ELEMENT floor (triangle)*>
+
 <!ELEMENT triangle (vertex, normal?, texcoords?, vertex, normal?, texcoords?, vertex, normal?, texcoords?)>
 <!ATTLIST triangle
   visible (true|false) "true"