Oh yes. I'm couldn't tell a function if it bit me on the bum and have only rarely visted the near mythical land of "Con-fig".
For example, BIS are very keen that you should use " " and { } in combination in the correct way, because it may matter in OFP2 and beyond and will make your scripts more forwards-compatible. But I can't tell you how, why, when, who, where, what or which.