[Typo3] Explicitly allow/deny field values

[tapio]

Nick Weisser wrote:
> Hi all,
> 
> I'm using Typo3 3.8.0, but even when denying certain pagecontent types, 
> they're still shown in the content wizard.

Are you using TemplaVoila. TemplaVoila *doesn't* have the required 
function (the standard page module has a function for that - I copied it 
from the standard page module and it worked in TemplaVoila).