newforms: how to validate form_for_model ?

Hi, I have a form class which is generated with form_for_model. How can I write my custom validator? I think I should set a clean() method for that class. Is it reasonable to say that; fom1.clean= def clean fkoksal --~--~-~--~~~---~--~~ You received this

unique_true option of the fields works as case-sensitive, how can we make it case-insensitive?

When I mark a field as unique_true is works as case-sensitive and does not catch something like "problem" and "Problem". What is the correct way of making it case-insensitive? Thus it will catch even "problem" and "ProBLem". I tried to override the save() method, but this time the thrown