1 files changed, 3 insertions, 0 deletions
diff --git a/examples/Test.hs b/examples/Test.hs
index 29d9c528..c2ff45f7 100644
--- a/examples/Test.hs
+++ b/examples/Test.hs
@@ -9,6 +9,7 @@
 -- Portability :  portable
 --
 -- This module illustrates & tests most of the features of Haddock.
+-- Testing references from the description: 'T', 'f', 'g', 'Visible.visible'.
 --
 -----------------------------------------------------------------------------
 
@@ -130,6 +131,8 @@ class D a where
    e :: (a,a)
 -- ^ This is a class declaration with no separate docs for the methods
 
+instance D Int
+
 class E a where
   ee :: Int
 -- ^ This is a class declaration with no methods (or no methods exported)