validates :visible, :inclusion => [true, false]
validates :author, :associated => true
validates :event, :inclusion => %w[opened closed reopened commented hidden]
- validates :body, :format => /\A[^\x00-\x08\x0b-\x0c\x0e-\x1f\x7f\ufffe\uffff]*\z/
+ validates :body, :length => { :maximum => 2000 }, :characters => true
# Return the comment text
def body