Personally John I can't see any objection to what you propose ........................but it's not my personal opinion you need, nor anyone's personal opinion. This is UKBA we're talking about and a life changing application form.
If I was in your place I'd follow exactly what others have done and fill out the form by hand in black ink.
It might sound crazy but why take any risks no matter how insignificant or silly they might seem.
Just my 2 centavos
If somebody here knows the definitive answer they'll hopefully step up soon.