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@@ -97,6 +97,13 @@ The second major method is <B>compare()</B>. Some things to keep in mind:
pass/fail assessments.
</UL>
+<P>
+It's important to make sure that all OpenGL state variables are set
+in the way you expect; otherwise a drawing operation can have surprising
+results. This <A HREF="state.html">OpenGL Rendering and State
+Cheat-Sheet</A> can help you determine what state variables you need
+to set (and might suggest a few things that need testing, too).
+
<H2>New tests</H2>
<P>