text: """
  ====================
  Polynomial Continuum
  ====================
  
  A simple polynomial (or linear, lines are polynomials) continuum model
  You can access this same model through baseline, but it's here in case the
  continuum is what you're really trying to measure.
  
  Module API
  ^^^^^^^^^^
  """
  from astropy.extern.six.moves import xrange
  from . import model
  import numpy 
  
  def polymodel(x, *pars, **kwargs):
      """
      Wrapper of :meth:`numpy.polyval`.  Extra parameter - return_components - is
      ignored, but required.
      *args = polynomial parameters
      **kwargs = just to catch extra junk; not passed
      """
      return numpy.polyval(pars,x)
  
  polymodel.__doc__ += numpy.polyval.__doc__
  
  def poly_fitter(order=1):
      """
      Generator for polynomial fitter class
      """
  
      myclass =  model.SpectralModel(polymodel, order+1,
              parnames=['coeff%i' % ii for ii in xrange(order+1)], 
              parlimited=[(False,False) for ii in xrange(order+1)], 
              parlimits=[(0,0) for ii in xrange(order+1)], 
              shortvarnames=['C%i' % ii for ii in xrange(order+1)]
              )
      myclass.__name__ = "polymodel"
      
      return myclass
  