Use NoImplicitPrelude and explicitly import Prelude.

This seems to be necessary if we are to use our custom Prelude
with ghci.

Closes #4464.

1 files changed, 2 insertions, 0 deletions

diff --git a/pandoc.hs b/pandoc.hs
index 780e41ce1..7e7749aa5 100644
--- a/pandoc.hs
+++ b/pandoc.hs
@@ -1,3 +1,4 @@
+{-# LANGUAGE NoImplicitPrelude #-}
 {-
 Copyright (C) 2006-2018 John MacFarlane <jgm@berkeley.edu>
 
@@ -29,6 +30,7 @@ Parses command-line options and calls the appropriate readers and
 writers.
 -}
 module Main where
+import Prelude
 import qualified Control.Exception as E
 import Text.Pandoc.App (convertWithOpts, defaultOpts, options, parseOptions)
 import Text.Pandoc.Error (handleError)