jValidate (maxLength)

Hello
I'm using jValidate, which is a very good plugin for validating. http://docs.jquery.com/Plugins/Validation

One of its validations rules is maxLength which validate the textarea by counting the characters in it.

It works fine BUT the problem is that it counts "spaces" and "breaks lines" as a character.

How can I overide this so that it doesn't count them?