Comment # 17 from Katrin Fischer

Hi Matthias :) 

It's already confusing me :) 

I think it's differnt to how Koha works now and we normally tend to not change
Koha's behaviour on update, but make it possible to activate new functionality
later. I think for some fields, prefilling might not make sense. 

The other thing was, that it seems a bit backward for me to think "I have to
add the fields that I don't want to be prefilled". So if I only want itemtype,
callnumber, branchcodes and location (for example) I will have to check the
frameworks and find all other fields where I perhaps don't want it to happen. 
If it was a positive pref I could add the fields I am using to be prefilled.
Shorter list (probably) and easier to figure out. But perhaps it's safe to
assume you want to copy all fields you entered? 

I am not really sure here - It would be great to get some more opinions on
this.