Allow links on notebook pages

issue10184
review341691002

trytond/ir/ui/form.rnc

@@ -181,6 +181,7 @@ page =
      | separator
      | newline
      | button
+     | link
      | notebook
      | group
      | hpaned

trytond/ir/ui/form.rng

@@ -948,6 +948,7 @@
           <ref name="separator"/>
           <ref name="newline"/>
           <ref name="button"/>
+          <ref name="link"/>
           <ref name="notebook"/>
           <ref name="group"/>
           <ref name="hpaned"/>