A link is required on biblioref

diff --git a/docbook/relaxng/src/bibliography.rnc b/docbook/relaxng/src/bibliography.rnc
index ac4b7e3f877cfb1f7fe6fc08b50ebfb725d0d1c6..720f093f395e84fddbb37f6334fc59ae9ae6fc9c 100644 (file)
--- a/docbook/relaxng/src/bibliography.rnc
+++ b/docbook/relaxng/src/bibliography.rnc
@@ -243,7 +243,7 @@ div {
    db.biblioref.attlist =
       db.biblioref.role.attribute?
     & db.common.attributes
-    & db.common.linking.attributes
+    & db.common.req.linking.attributes
     & attribute xrefstyle { text }?
     & attribute endterm { xsd:IDREF }?
     & attribute units { xsd:token }?