old_contents: # -*- coding: utf-8 -*-
  
  from __future__ import unicode_literals
  
  """
  Template tags related to the contact form.
  """
  
  from django import template
  
  try:
      import honeypot
  except ImportError:  # pragma: no cover
      honeypot = None
  
  
  register = template.Library()
  
  
  @register.inclusion_tag('envelope/contact_form.html', takes_context=True)
  def render_contact_form(context):
      """
      Renders the contact form which must be in the template context.
  
      The most common use case for this template tag is to call it in the
      template rendered by :class:`~envelope.views.ContactView`. The template
      tag will then render a sub-template ``envelope/contact_form.html``.
  
      .. versionadded:: 0.7.0
      """
      form = context['form']
      return {
          'form': form,
      }
  
  
  @register.simple_tag
  def antispam_fields():
      """
      Returns the HTML for any spam filters available.
      """
      content = ''
      if honeypot:
          t = template.Template('{% load honeypot %}{% render_honeypot_field %}')
          content += t.render(template.Context({}))
      return content
  
new_contents: # -*- coding: utf-8 -*-
  
  from __future__ import unicode_literals
  
  """
  Template tags related to the contact form.
  """
  
  from django import template
  
  try:
      import honeypot
  except ImportError:  # pragma: no cover
      honeypot = None
  
  
  register = template.Library()
  
  
  @register.inclusion_tag('envelope/contact_form.html', takes_context=True)
  def render_contact_form(context):
      """
      Renders the contact form which must be in the template context.
  
      The most common use case for this template tag is to call it in the
      template rendered by :class:`~envelope.views.ContactView`. The template
      tag will then render a sub-template ``envelope/contact_form.html``.
  
      .. versionadded:: 0.7.0
      """
      try:
          form = context['form']
      except KeyError:
          raise template.TemplateSyntaxError("There is no 'form' variable in the template context.")
      return {
          'form': form,
      }
  
  
  @register.simple_tag
  def antispam_fields():
      """
      Returns the HTML for any spam filters available.
      """
      content = ''
      if honeypot:
          t = template.Template('{% load honeypot %}{% render_honeypot_field %}')
          content += t.render(template.Context({}))
      return content
  
subject: Raise a more specific error when form is not passed to the template.