id,page,ref,title,content,breadcrumbs,references
custom_templates:custom-pages-404,custom_templates,custom-pages-404,Returning 404s,"To indicate that content could not be found and display the default 404 page you can use the  raise_404(message)  function: 
             {% if not rows %}
    {{ raise_404(""Content not found"") }}
{% endif %} 
             If you call  raise_404()  the other content in your template will be ignored.","[""Custom pages and templates""]",[]