You can form formations like attack column in the version available. However due to the formation modifiers I cant get working there would be no difference in attack in column then you would in line, except it looks cool. For the same reason square formation (not available in the current version but i shall add it soon) gives no difference in protection to cavalry then say a line would. Having said that 2 units in square giving supporting fire against a cavalry unit is effective.1.can the infantry form square?
2.can the infantry do volly fire?
can infantry attack in column?
Volley fire, or any kind of fire than the stock 'fire at will' is not avilable even the vanilla game.
Those probably arent the answers you were looking for but the game is updated by norb and team so who knows what goddies they will bring out next that the mod can use.