Placeholder name doesn't work

I want to insert a placeholder text, giving it the name “Fullname” and the same reference. But the placeholder that shows just says “placeholder”. The tooltip from the reference works ok.
Can anyone tell me what to do?
Thanks a lot,
pwp

Libreoffice:
Version: 4.2.7.2
Build ID: 420m0(Build:2)

OS:
Ubuntu 14.04

Please try Menu/View/Field names [Ctrl+F9]

Thanks a lot @mariosv!!