multi: adjust schema for hideerrors

diff --git a/xml/schema/filter_multi.rnc b/xml/schema/filter_multi.rnc
index c094177..6ef36e1 100644 (file)
--- a/xml/schema/filter_multi.rnc
+++ b/xml/schema/filter_multi.rnc
@@ -11,5 +11,6 @@ filter_multi =
     xsd:string
   }*,
   element mp:hideunavailable { empty }?,
+  element mp:hideerrors { empty }?,
   element mp:mergetype { xsd:string }?