From cf7f80b11f5c266c7d1d7e200b41658a87f765b0 Mon Sep 17 00:00:00 2001
From: John MacFarlane <jgm@berkeley.edu>
Date: Fri, 17 Sep 2021 10:05:55 -0700
Subject: Fix linter warning.

---
 src/Text/Pandoc/Readers/Markdown.hs | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

(limited to 'src')

diff --git a/src/Text/Pandoc/Readers/Markdown.hs b/src/Text/Pandoc/Readers/Markdown.hs
index 917eef287..85599abe4 100644
--- a/src/Text/Pandoc/Readers/Markdown.hs
+++ b/src/Text/Pandoc/Readers/Markdown.hs
@@ -1127,10 +1127,9 @@ rawHtmlBlocks = do
   tabStop <- getOption readerTabStop
   indentlevel <- option 0 $
                  do blankline
-                    foldr (+) 0 <$>
-                      many ( (1 <$ char ' ')
-                            <|>
-                             (tabStop <$ char '\t') )
+                    sum <$> many ( (1 <$ char ' ')
+                                   <|>
+                                   (tabStop <$ char '\t') )
   -- try to find closing tag
   -- we set stateInHtmlBlock so that closing tags that can be either block or
   -- inline will not be parsed as inline tags
-- 
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