new_contents: from urllib import quote
  from django.template import Library
  
  register = Library()
  
  from ehriportal.portal import utils
  
  @register.filter
  def langname(code):
      """Creates a haystack facet parameter in format:
          &selected_facets=<name>_exact:<value>"""
      return utils.language_name_from_code(code)
  
  
subject: Add a templatetag to convert language code to language name