--- a/RelaxNG/publiquiz.rnc	lun. févr. 11 13:18:31 2013 +0100
+++ b/RelaxNG/publiquiz.rnc	lun. févr. 11 13:58:59 2013 +0100
@@ -156,7 +156,10 @@
 # ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ matching ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 
 # ~~~~~~ matching
-matching = element matching { matching.content }
+matching = element matching { matching.attributes, matching.content }
+
+matching.attributes =
+   multiple.attribute?
 
 matching.content =
    match,