Update copyrights

[SVN r24019]

doc/tribool.boostbook

@@ -2,17 +2,18 @@
 <!DOCTYPE library PUBLIC "-//Boost//DTD BoostBook XML V1.0//EN"
   "http://www.boost.org/tools/boostbook/dtd/boostbook.dtd">
 <library name="Tribool" dirname="logic" id="tribool"
-         last-revision="$Date: 2004/07/22 04:11:15 $" xmlns:xi="http://www.w3.org/2001/XInclude">
+         last-revision="$Date: 2004/07/25 03:01:38 $" xmlns:xi="http://www.w3.org/2001/XInclude">
   <libraryinfo>
     <author>
       <firstname>Douglas</firstname>
       <surname>Gregor</surname>
-      <email>gregod@cs.rpi.edu</email>
+      <email>dgregor -at- cs.indiana.edu</email>
     </author>
 
     <copyright>
       <year>2002</year>
       <year>2003</year>
+      <year>2004</year>
       <holder>Douglas Gregor</holder>
     </copyright>    
 
@@ -215,4 +216,4 @@ cout &lt;&lt; boolalpha &lt;&lt; x &lt;&lt; endl; // Prints "maybe"</programlist
       <purpose><para>Test tribool input/output.</para></purpose>
     </run-test>
   </testsuite>
-</library>
+</library>