From f647f12deecc31ebf7d4a77b78323c576811f30a Mon Sep 17 00:00:00 2001
From: David Maus <maus@hab.de>
Date: Tue, 13 Mar 2018 14:06:21 +0100
Subject: [PATCH] @num ist verpflichtend

---
 src/ruleset.rnc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/ruleset.rnc b/src/ruleset.rnc
index aae0888..8bb01c3 100644
--- a/src/ruleset.rnc
+++ b/src/ruleset.rnc
@@ -83,7 +83,7 @@ AllowedMetadata =
       ]
    ]
    element metadata {
-      attribute num { "*" | "+" | "1o" | "1m" }?,
+      attribute num { "*" | "+" | "1o" | "1m" },
       attribute DefaultDisplay { text }?,
       xsd:NMTOKEN
    }
-- 
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