Add a link to the larger discussion in the Linking chapter to the 'IRI reference' term definition.
--- a/master/intro.html Thu May 17 13:08:45 2012 +1000
+++ b/master/intro.html Thu May 17 14:14:25 2012 +1000
@@ -418,6 +418,7 @@
[<a href='refs.html#ref-RFC3987'>RFC3987</a>].
An IRI reference serves as a reference to a resource or (with a
fragment identifier) to a secondary resource. See
+ <a href="linking.html#IRIReference">References</a> and
<a href="struct.html#Head">References and the
<span class="element-name">'defs'</span> element</a>.</dd>