From 384577e862171bdedc9311c9d17f7ad3a4a33456 Mon Sep 17 00:00:00 2001
From: Alec Theriault <alec.theriault@gmail.com>
Date: Fri, 17 May 2019 11:23:40 -0400
Subject: Fix #1063 with better parenthesization logic for contexts

The only other change in html/hoogle/hyperlinker output for the boot
libraries that this caused is a fix to some Hoogle output for implicit
params.

```
$ diff -r _build/docs/ old_docs
diff -r _build/docs/html/libraries/base/base.txt old_docs/html/libraries/base/base.txt
13296c13296
< assertError :: (?callStack :: CallStack) => Bool -> a -> a
---
> assertError :: ?callStack :: CallStack => Bool -> a -> a
```
---
 html-test/src/Bug1063.hs | 9 +++++++++
 1 file changed, 9 insertions(+)
 create mode 100644 html-test/src/Bug1063.hs

(limited to 'html-test/src/Bug1063.hs')

diff --git a/html-test/src/Bug1063.hs b/html-test/src/Bug1063.hs
new file mode 100644
index 00000000..c6d13a1f
--- /dev/null
+++ b/html-test/src/Bug1063.hs
@@ -0,0 +1,9 @@
+{-# LANGUAGE ConstraintKinds #-}
+{-# LANGUAGE FlexibleInstances #-}
+{-# LANGUAGE MultiParamTypeClasses #-}
+{-# LANGUAGE QuantifiedConstraints #-}
+{-# LANGUAGE UndecidableInstances #-}
+module Bug1063 where
+
+class    (c => d) => Implies c d
+instance (c => d) => Implies c d
-- 
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