old_contents: from django import template
  from django.utils.safestring import mark_safe
  
  from favicon.models import Favicon, config
  
  register = template.Library()
  
  
  @register.simple_tag(takes_context=True)
  def placeFavicon(context):
      """
      Gets Favicon-URL for the Model.
  
      Template Syntax:
  
          {% placeFavicon %}
  
      """
      fav = Favicon.objects.filter(isFavicon=True).first()
      if not fav:
          return '<!-- no favicon -->'
      html = ''
      for rel in config:
          for size in sorted(config[rel], reverse=True):
              n = fav.get_favicon(size=size, rel=rel)
              html += '<link rel="%s" sizes="%sx%s" href="%s"/>' % (
                  n.rel, n.size, n.size, n.faviconImage.url)
  
      default_fav = fav.get_favicon(size=32, rel='shortcut icon')
      html += '<link rel="%s" sizes="%sx%s" href="%s"/>' % (
          default_fav.rel, default_fav.size, default_fav.size, default_fav.faviconImage.url)
  
      return mark_safe(html)
  
new_contents: from django import template
  from django.utils.safestring import mark_safe
  
  from favicon.models import Favicon, config
  
  register = template.Library()
  
  
  @register.simple_tag(takes_context=True)
  def placeFavicon(context):
      """
      Gets Favicon-URL for the Model.
  
      Template Syntax:
  
          {% placeFavicon %}
  
      """
      fav = Favicon.objects.filter(isFavicon=True).first()
      if not fav:
          return mark_safe('<!-- no favicon -->')
      html = ''
      for rel in config:
          for size in sorted(config[rel], reverse=True):
              n = fav.get_favicon(size=size, rel=rel)
              html += '<link rel="%s" sizes="%sx%s" href="%s"/>' % (
                  n.rel, n.size, n.size, n.faviconImage.url)
  
      default_fav = fav.get_favicon(size=32, rel='shortcut icon')
      html += '<link rel="%s" sizes="%sx%s" href="%s"/>' % (
          default_fav.rel, default_fav.size, default_fav.size, default_fav.faviconImage.url)
  
      return mark_safe(html)
  
subject: Mark comment as safe. Otherwise it is displayed.