From 4d89a1db7f1ad9d64db7c9e2c294351821ff3993 Mon Sep 17 00:00:00 2001
From: Alexander Krotov <ilabdsf@gmail.com>
Date: Thu, 26 Apr 2018 12:29:45 +0300
Subject: Muse reader: allow nested footnotes

---
 src/Text/Pandoc/Readers/Muse.hs | 2 +-
 test/Tests/Readers/Muse.hs      | 9 +++++++++
 2 files changed, 10 insertions(+), 1 deletion(-)

diff --git a/src/Text/Pandoc/Readers/Muse.hs b/src/Text/Pandoc/Readers/Muse.hs
index f21a169fd..fe6b3698c 100644
--- a/src/Text/Pandoc/Readers/Muse.hs
+++ b/src/Text/Pandoc/Readers/Muse.hs
@@ -821,7 +821,7 @@ footnote = try $ do
       Nothing -> return $ B.str $ "[" ++ ref ++ "]"
       Just (_pos, contents) -> do
         st <- askF
-        let contents' = runF contents st { museNotes = M.empty }
+        let contents' = runF contents st { museNotes = M.delete ref (museNotes st) }
         return $ B.note contents'
 
 whitespace :: PandocMonad m => MuseParser m (F Inlines)
diff --git a/test/Tests/Readers/Muse.hs b/test/Tests/Readers/Muse.hs
index a7eb9d0eb..ecdd5fdb0 100644
--- a/test/Tests/Readers/Muse.hs
+++ b/test/Tests/Readers/Muse.hs
@@ -659,6 +659,15 @@ tests =
                     ] =?>
           para (text "Start recursion here" <>
                 note (para "Recursion continues here[1]"))
+        , "Nested footnotes" =:
+          T.unlines [ "Footnote: [1]"
+                    , ""
+                    , "[1] Nested: [2]"
+                    , ""
+                    , "[2] No recursion: [1]"
+                    ] =?>
+          para (text "Footnote: " <>
+                note (para (text "Nested: " <> note (para $ text "No recursion: [1]"))))
         , "No zero footnotes" =:
           T.unlines [ "Here is a footnote[0]."
                     , ""
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