From 2745a36f2c4b3469fdb04ed91ebcdd5f02b28922 Mon Sep 17 00:00:00 2001
From: Peter Simons <simons@cryp.to>
Date: Fri, 19 Oct 2018 10:41:11 +0200
Subject: [PATCH] ghc-8.6.x: we need the latest pandoc version for this
 compiler

---
 pkgs/development/haskell-modules/configuration-ghc-8.6.x.nix | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/pkgs/development/haskell-modules/configuration-ghc-8.6.x.nix b/pkgs/development/haskell-modules/configuration-ghc-8.6.x.nix
index a966cdd934f3..6936a5da2f00 100644
--- a/pkgs/development/haskell-modules/configuration-ghc-8.6.x.nix
+++ b/pkgs/development/haskell-modules/configuration-ghc-8.6.x.nix
@@ -107,4 +107,7 @@ self: super: {
     sha256 = "0gnsgga8x2yxyg27pya6rhmxfsxf167vsi4xdj98fn8v0j7zz1v1";
   });
 
+  # https://github.com/jgm/pandoc/issues/4974
+  pandoc = doJailbreak super.pandoc_2_3_1;
+
 }