[Lazarus] Strange dependency of units

[Jürgen Hestermann]

Mattias Gaertner schrieb:
 > In the past the programs that used only parts of the LCL compiled, but
 > would then later fail at runtime at some strange place. Now you already
 > see at compile time that something is missing. That's definitely better.

Of course, you are right: It could be even worse.


 > And the IDE has already some checks for common mistakes.

Mistake? Using a self-written unit is a mistake? Not knowing that GRIDS 
requires INTERFACES is a mistake?
Shouldn't GRIDS have a uses clause for INTERFACES?
If yes, why is it not included?
If no, why is this so?