Fix standalone deriving docs

Docs on standalone deriving decls for classes with associated types
should be associated with the class instance, not the associated type
instance.

Fixes #1033

1 files changed, 11 insertions, 0 deletions

diff --git a/html-test/src/Bug1033.hs b/html-test/src/Bug1033.hs
new file mode 100644
index 00000000..fdf5a57e
--- /dev/null
+++ b/html-test/src/Bug1033.hs
@@ -0,0 +1,11 @@
+{-# LANGUAGE DeriveGeneric #-}
+{-# LANGUAGE StandaloneDeriving #-}
+
+module Bug1033 where
+
+import GHC.Generics
+
+data Foo = Foo
+
+-- | This does some generic foos.
+deriving instance Generic Foo