--- a/RelaxNG/publiquiz.rnc	jeu. nov. 20 18:14:22 2014 +0100
+++ b/RelaxNG/publiquiz.rnc	jeu. nov. 27 12:29:06 2014 +0100
@@ -10,6 +10,7 @@
 
    division.content =
       division.head?,
+      front?,
       (division | topic | quiz)+
 }