nette/nette — comment on commit 36b3286c60dc15a79ca0c6c3e6294b3c3cd5b889
File: Nette/Application/UI/Control.php line 115
By enumag:

Možná by bylo lepší použít jinou konstantu, která by se pro 5.3 rovnala E_USER_DEPRECATED a jinak E_USER_WARNING.