* It was redundent with state and availability traces, and with peak values.
* - In <cluster>, cannot set the availability nor state traces.
* This was too complex and unused.
- * - The DOCTYPE points to the right URL (this file):
- * http://simgrid.gforge.inria.fr/simgrid/simgrid.dtd
+ * - The DOCTYPE points to the right URL.
* - Kill <gpu>. Was not doing anything.
* - A warning is emitted for unit-less values (they are still accepted).
* The value 0 can remain unit-less, as its unit does not matter.