diff --git a/bin/addons/base/rng/view.rng b/bin/addons/base/rng/view.rng
index e7626484d4a..717ce00e62d 100644
--- a/bin/addons/base/rng/view.rng
+++ b/bin/addons/base/rng/view.rng
@@ -35,6 +35,7 @@
             <rng:optional><rng:attribute name="toolbar"/></rng:optional>
             <rng:optional><rng:attribute name="position"/></rng:optional>
             <rng:optional><rng:attribute name="link"/></rng:optional>
+            <rng:optional><rng:attribute name="type"/></rng:optional>
             <rng:zeroOrMore>
                 <rng:choice>
                     <rng:ref name="field"/>
@@ -230,6 +231,7 @@
             <rng:zeroOrMore>
                 <rng:choice>
                     <rng:ref name="form"/>
+                    <rng:ref name="calendar"/>
                     <rng:ref name="tree"/>
                     <rng:ref name="field"/>
                     <rng:ref name="label"/>
@@ -237,6 +239,7 @@
                     <rng:ref name="xpath"/>
                     <rng:ref name="button"/>
                     <rng:ref name="group"/>
+                    <rng:ref name="graph"/>
                     <rng:element name="newline"><rng:empty/></rng:element>
                 </rng:choice>
             </rng:zeroOrMore>
@@ -278,6 +281,7 @@
             <rng:optional><rng:attribute name="date_stop" /></rng:optional>
             <rng:optional><rng:attribute name="day_length" /></rng:optional>
             <rng:optional><rng:attribute name="date_delay" /></rng:optional>
+            <rng:optional><rng:attribute name="type" /></rng:optional>
             <rng:oneOrMore>
                 <rng:ref name="field"/>
             </rng:oneOrMore>