--- a/doc/source/overview/knowledge_bases/rule_bases.txt
+++ b/doc/source/overview/knowledge_bases/rule_bases.txt
@@ -1,3 +1,25 @@
+.. $Id$
+.. 
+.. Copyright Š 2007 Bruce Frederiksen
+.. 
+.. Permission is hereby granted, free of charge, to any person obtaining a copy
+.. of this software and associated documentation files (the "Software"), to deal
+.. in the Software without restriction, including without limitation the rights
+.. to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+.. copies of the Software, and to permit persons to whom the Software is
+.. furnished to do so, subject to the following conditions:
+.. 
+.. The above copyright notice and this permission notice shall be included in
+.. all copies or substantial portions of the Software.
+.. 
+.. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+.. IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+.. FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+.. AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+.. LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+.. OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+.. THE SOFTWARE.
+
 restindex
     crumb: Rule Bases
     page-description: