From adefd86cd4c2273e9bf5fefe136c1aff1b13151a Mon Sep 17 00:00:00 2001
From: John MacFarlane <jgm@berkeley.edu>
Date: Fri, 2 Mar 2018 09:33:18 -0800
Subject: LaTeX reader: Fix regression in package options including underscore.

Closes #4424.
---
 src/Text/Pandoc/Readers/LaTeX.hs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'src')

diff --git a/src/Text/Pandoc/Readers/LaTeX.hs b/src/Text/Pandoc/Readers/LaTeX.hs
index 7ca1cb5a5..57d2803ba 100644
--- a/src/Text/Pandoc/Readers/LaTeX.hs
+++ b/src/Text/Pandoc/Readers/LaTeX.hs
@@ -1162,7 +1162,7 @@ singleChar = try $ do
      else return $ Tok pos toktype t
 
 opt :: PandocMonad m => LP m Inlines
-opt = bracketed inline
+opt = bracketed inline <|> (str . T.unpack <$> rawopt)
 
 rawopt :: PandocMonad m => LP m Text
 rawopt = do
-- 
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