--- a/colors.xml	Fri Jan 20 12:10:12 2006 -0500
+++ b/colors.xml	Mon Jan 23 13:07:04 2006 -0500
@@ -1,7 +1,7 @@
 <?xml version='1.0'?>
 <!DOCTYPE article PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
           "/usr/share/sgml/docbook/dtd/xml/4.2/docbookx.dtd">
-<article>
+<article id="colors">
   <articleinfo>
     <title>System Color</title>
     <subtitle>A typology of RPG mechanics</subtitle>