<https://www.sympa.org/index>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://www.sympa.org/index?tab_files=search&do=media&tab_details=history&image=distribution%3Alatest-stable%3Adoc%3Asympa.conf.podpl&ns=manual%2Fexamples>