[TYPO3] how to disable delete 'trash can' in list view?

[Tapio Markula]

dave typo kirjoitti:
> nothing appears to have changed with that line of code
> (TCADefaults.tt_content.editlock=1)  within the user config.
> 
> Is there any other code that I have to write? I don't understand why
> its not working.
sorry
the correct variable is TCAdefaults - *not* TCADefaults