Hide entry form for Field Pattern when Marshalling is selected
The ontology -- and therefore also the user interface -- allow for a field dhoh:Pattern
to be quartered, but also for a marshalled shield that has for quarters. These are conceptually two different things, but it can be confusing, especially for new users, when there are two possibilities to quarter a shield.
An idea to deal with this could be to hide the field pattern box, when the coat of arms is marshalled.