From 49d0f58f248493768f0941f452daf66dfeacc1c5 Mon Sep 17 00:00:00 2001
From: John MacFarlane <jgm@berkeley.edu>
Date: Sun, 14 Oct 2018 17:45:48 -0700
Subject: LaTeX reader: skip `\PackageError` commands.

See #4408. But this doesn't fix the issue.
---
 src/Text/Pandoc/Readers/LaTeX.hs | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'src')

diff --git a/src/Text/Pandoc/Readers/LaTeX.hs b/src/Text/Pandoc/Readers/LaTeX.hs
index 4ced829cc..1bdcabfbf 100644
--- a/src/Text/Pandoc/Readers/LaTeX.hs
+++ b/src/Text/Pandoc/Readers/LaTeX.hs
@@ -1762,6 +1762,8 @@ blockCommands = M.fromList
    , ("input", include "input")
    , ("subfile", include "subfile")
    , ("usepackage", include "usepackage")
+   -- preamble
+   , ("PackageError", mempty <$ (braced >> braced >> braced))
    ]
 
 
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