belongs_to :trace, :foreign_key => "gpx_id"
validates :trace, :associated => true
- validates :tag, :length => 1..255, :format => %r{\A[^/;.,?]*\z}, :invalid_chars => true
+ validates :tag, :length => 1..255, :format => %r{\A[^/;.,?]*\z}, :characters => true
end