@verbatim
<?xml version='1.0'?>
-<!DOCTYPE platform SYSTEM "http://simgrid.gforge.inria.fr/simgrid/simgrid.dtd">
+<!DOCTYPE platform SYSTEM "https://simgrid.org/simgrid.dtd">
<platform version="4">
<!-- Alice, which runs on the machine named 'host1', does not take any parameter -->
<actor host="host1" function="alice" />