header modification due to missing variable expansion in git

Doc/course.xml

@@ -19,12 +19,9 @@
       </affiliation>
     </author>
 
-    <pubdate>$Date: 2012-10-17 09:12:07 +0200 (Mi, 17. Okt 2012) $</pubdate>
 
     <legalnotice>
-      <para>Public access: $HeadURL:
-      https://version.mi.hdm-stuttgart.de/svn/GoikVorlesNeu/trunk/StructuredData/Doc/course.xml
-      $</para>
+      <para>Public access: https://version.mi.hdm-stuttgart.de/git/GoikLectures</para>
     </legalnotice>
   </info>