<year>2005</year>
<holder>Benjamin Mako Hill</holder>
</copyright>
+
+
+ <legalnotice>
+ <para>This material is licensed under the <ulink
+ url="http://creativecommons.org/licenses/by-sa/2.0/">Creative
+ Commons Attribution-Sharealike 2.0 License</ulink>.</para>
+
+ <para>The canonical location for the most recent version of this
+ document is <ulink url="http://mako.cc/">at the author's
+ website</ulink>.</para>
+
+ </legalnotice>
+
+ <revhistory>
+ <revision>
+ <revnumber>0.2</revnumber>
+ <date>August 7, 2005</date>
+ <revremark>Correction and improvements.</revremark>
+ </revision>
+ <revision>
+ <revnumber>0.1</revnumber>
+ <date>May 15, 2005</date>
+
+ <revdescription>
+ <para>The first version of this paper was written to an
+ accepted talk given at Linuxtag 2005 given in Karlsruhe,
+ Germany.</para>
+ </revdescription>
+
+ </revision>
+ </revhistory>
+
+
</articleinfo>
<section>