--- a/master/types.html	Sun May 27 13:02:30 2012 +1000
+++ b/master/types.html	Sun May 27 13:07:43 2012 +1000
@@ -206,6 +206,9 @@
 
 <h2 id="BasicDataTypes">Basic data types</h2>
 
+<p class="issue">We should reference css3-values, and not redefine a bunch of
+types in this chapter.</p>
+
 <p>This section defines a number of common data types used in the definitions
 of SVG properties and attributes.  Some data types that are not referenced by
 multiple properties and attributes are defined inline in subsequent chapters.</p>