add xml support

util/merge_copyrights

@@ -15,7 +15,7 @@
 # OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
 # PERFORMANCE OF THIS SOFTWARE.
 
-# $Id: merge_copyrights,v 1.23 2005/05/13 01:47:36 marka Exp $
+# $Id: merge_copyrights,v 1.24 2005/09/06 01:16:34 marka Exp $
 
 %file_types = ();
 %file_years = ();
@@ -63,7 +63,8 @@ while (<FILES>) {
         } elsif ($base =~ /\.sh$/) {
 	    $file_types{$_} = "SH";
         } elsif ($base =~ /\.docbook$/ ||
-		 $base =~ /.xsl$/) {
+		 $base =~ /.xsl$/ ||
+		 $base =~ /.xml$/) {
 	    $file_types{$_} = "SGML";
         } elsif ($base =~ /\.html$/) {
 	    $file_types{$_} = "HTML";