X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=helm%2Fdtd%2Fmaththeory.dtd;h=b05ff8f8b8edeee2646baf9a9a8a2cb0cbf0cbe7;hb=8e1a7e55cbc7750446f0a7ab3d071190594243fb;hp=85469b6ceca2b8cf654d4ad4d238e83b24b154d1;hpb=eecd02f892cd859e137c550aaa0f2668986c5f2b;p=helm.git

diff --git a/helm/dtd/maththeory.dtd b/helm/dtd/maththeory.dtd
index 85469b6ce..b05ff8f8b 100644
--- a/helm/dtd/maththeory.dtd
+++ b/helm/dtd/maththeory.dtd
@@ -1,5 +1,29 @@
 <?xml encoding="ISO-8859-1"?>
 
+<!-- Copyright (C) 2000, HELM Team                                     -->
+<!--                                                                   -->
+<!-- This file is part of HELM, an Hypertextual, Electronic            -->
+<!-- Library of Mathematics, developed at the Computer Science         -->
+<!-- Department, University of Bologna, Italy.                         -->
+<!--                                                                   -->
+<!-- HELM is free software; you can redistribute it and/or             -->
+<!-- modify it under the terms of the GNU General Public License       -->
+<!-- as published by the Free Software Foundation; either version 2    -->
+<!-- of the License, or (at your option) any later version.            -->
+<!--                                                                   -->
+<!-- HELM is distributed in the hope that it will be useful,           -->
+<!-- but WITHOUT ANY WARRANTY; without even the implied warranty of    -->
+<!-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the     -->
+<!-- GNU General Public License for more details.                      -->
+<!--                                                                   -->
+<!-- You should have received a copy of the GNU General Public License -->
+<!-- along with HELM; if not, write to the Free Software               -->
+<!-- Foundation, Inc., 59 Temple Place - Suite 330, Boston,            -->
+<!-- MA  02111-1307, USA.                                              -->
+<!--                                                                   -->
+<!-- For details, see the HELM World-Wide-Web page,                    -->
+<!-- http://cs.unibo.it/helm/.                                         -->
+
 <!--*****************************************************************-->
 <!-- DTD FOR THEORY OBJECTS AT LEVEL OF CIC XML FILES:               -->
 <!-- First draft: May 10 2000, Claudio Sacerdoti Coen, Irene Schena  -->