From 54c9d4348ad0b61713ab16ebf20d640f60ea5c39 Mon Sep 17 00:00:00 2001
From: John MacFarlane <jgm@berkeley.edu>
Date: Tue, 10 Apr 2012 18:25:18 -0700
Subject: LaTeX reader:  Control sequences can't be followed by a letter.

This fixes a bug where `\begingroup` was parsed as `\begin`
followed by `group`.
---
 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 cc71b49f2..1c1d5cad7 100644
--- a/src/Text/Pandoc/Readers/LaTeX.hs
+++ b/src/Text/Pandoc/Readers/LaTeX.hs
@@ -82,7 +82,7 @@ controlSeq name = try $ do
   case name of
         ""   -> mzero
         [c] | not (isLetter c) -> string [c]
-        cs   -> string cs <* optional sp
+        cs   -> string cs <* notFollowedBy letter <* optional sp
   return name
 
 sp :: LP ()
-- 
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