From 7aeabd8430bce7253d34a9a4baf26bbf71e9869e Mon Sep 17 00:00:00 2001
From: John MacFarlane <jgm@berkeley.edu>
Date: Thu, 28 Feb 2019 15:29:36 -0800
Subject: ipynb writer: only include metadata under 'jupyter' field.

---
 src/Text/Pandoc/Writers/Ipynb.hs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/Text/Pandoc/Writers/Ipynb.hs b/src/Text/Pandoc/Writers/Ipynb.hs
index 38429f790..0a939de65 100644
--- a/src/Text/Pandoc/Writers/Ipynb.hs
+++ b/src/Text/Pandoc/Writers/Ipynb.hs
@@ -81,7 +81,7 @@ pandocToNotebook opts (Pandoc meta blocks) = do
   let jupyterMeta =
         case lookupMeta "jupyter" meta of
           Just (MetaMap m) -> (Meta m <> B.deleteMeta "jupyter" meta)
-          _ -> meta
+          _ -> mempty
   metadata' <- metaToJSON' blockWriter inlineWriter $
                  B.deleteMeta "nbformat" $
                  B.deleteMeta "nbformat_minor" $ jupyterMeta
-- 
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