Quote Originally Posted by noacronym View Post
You presoak film to dissolve the anti-halation backing, and to bring the tank and reel to working temperature. It would be totally pointless to bust your tail to get your developer temperature on the money, and then pour it in to a cold taknk, or a hot one. So you presoak with water of the same temperature as the developer is going to be.
Leaving out the anti-halation backing, why shouldn't you make sure paper is at the correct temperature before development if you do the same with film?