parameters: (settings, relative_to=None)
docstring: Retrieve a stylesheet reference from the settings object.
  
      Deprecated. Use get_stylesheet_list() instead to
      enable specification of multiple stylesheets as a comma-separated
      list.
docstring_summary: Retrieve a stylesheet reference from the settings object.
docstring_tokens: Retrieve a stylesheet reference from the settings object .
function: def get_stylesheet_reference(settings, relative_to=None):
      """
      Retrieve a stylesheet reference from the settings object.
  
      Deprecated. Use get_stylesheet_list() instead to
      enable specification of multiple stylesheets as a comma-separated
      list.
      """
      if settings.stylesheet_path:
          assert not settings.stylesheet, (
              'stylesheet and stylesheet_path are mutually exclusive.')
          if relative_to == None:
              relative_to = settings._destination
          return relative_path(relative_to, settings.stylesheet_path)
      else:
          return settings.stylesheet
function_tokens: def get_stylesheet_reference ( settings , relative_to = None ) : if settings . stylesheet_path : assert not settings . stylesheet , ( 'stylesheet and stylesheet_path are mutually exclusive.' ) if relative_to == None : relative_to = settings . _destination return relative_path ( relative_to , settings . stylesheet_path ) else : return settings . stylesheet