diff --git a/trytond/ir/ui/form.dtd b/trytond/ir/ui/form.dtd
index 02d402e360..0a0b07641b 100644
--- a/trytond/ir/ui/form.dtd
+++ b/trytond/ir/ui/form.dtd
@@ -8,6 +8,14 @@
 <!ATTLIST tree editable (top|bottom) #IMPLIED>
 <!ATTLIST tree sequence CDATA #IMPLIED>
 <!ATTLIST tree color CDATA #IMPLIED>
+<!ELEMENT graph (x, y)>
+<!ATTLIST graph type (vbar|hbar|line|pie) "vbar">
+<!ATTLIST graph string CDATA "Unknown">
+<!ATTLIST graph background CDATA "#f5f5f5">
+<!ATTLIST graph color CDATA "blue">
+<!ATTLIST graph legend (0|1) "1">
+<!ELEMENT x (field)>
+<!ELEMENT y (field+)>
 <!ELEMENT label EMPTY>
 <!ATTLIST label string CDATA "">
 <!ATTLIST label name CDATA #IMPLIED>
@@ -26,6 +34,7 @@
 <!ATTLIST field saves (0|1) #IMPLIED>
 <!ATTLIST field expand (0|1) #IMPLIED>
 <!ATTLIST field fill (0|1) #IMPLIED>
+<!ATTLIST field empty (0|1) #IMPLIED>
 <!ATTLIST field xexpand (0|1) "1">
 <!ATTLIST field xfill (0|1) "1">
 <!ATTLIST field help CDATA #IMPLIED>
@@ -38,6 +47,8 @@
 <!ATTLIST field completion (0|1) "0">
 <!ATTLIST field invisible (0|1) "0">
 <!ATTLIST field sum CDATA #IMPLIED>
+<!ATTLIST field key CDATA #IMPLIED>
+<!ATTLIST field domain CDATA #IMPLIED>
 <!ELEMENT image EMPTY>
 <!ATTLIST image name CDATA #REQUIRED>
 <!ATTLIST image colspan CDATA "1">