--- a/RelaxNG/publiset.rnc	sam. avril 28 20:12:36 2012 +0200
+++ b/RelaxNG/publiset.rnc	dim. avril 29 08:39:33 2012 +0200
@@ -198,7 +198,7 @@
    (((firstname, secondname?)?, lastname) | label),
    address?,
    link?,
-   role*
+   role+
 
 # ~~~~~~ firstname, secondname, lastname, label
 firstname = element firstname { firstname.content }
@@ -219,7 +219,7 @@
 # ~~~~~~ role
 role = element role { role.content }
 
-role.content = "author" | "illustrator" | "publisher"
+role.content = "author" | "illustrator" | "publisher" | "packager"
 
 # ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ keyword ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~