<![%sgml.features;[
<![%xml.features;[
-ERROR: Exactly one of xml.features and sgml.features must be turned on!
+
+<!-- ERROR: Exactly one of xml.features and sgml.features must be turned on! -->
+<!ENTITY % dbnotn SYSTEM "http://www.oasis-open.org/docbook/xml/configerror.txt">
+<!ENTITY % dbcent SYSTEM "http://www.oasis-open.org/docbook/xml/configerror.txt">
+<!ENTITY % dbpool SYSTEM "http://www.oasis-open.org/docbook/xml/configerror.txt">
+<!ENTITY % dbhier SYSTEM "http://www.oasis-open.org/docbook/xml/configerror.txt">
+<!ENTITY % dbgenent SYSTEM "http://www.oasis-open.org/docbook/xml/configerror.txt">
+
]]>
]]>