From 3ac6f72f988da20af7d460868fc1971b3ea63758 Mon Sep 17 00:00:00 2001
From: John MacFarlane <jgm@berkeley.edu>
Date: Tue, 14 Dec 2010 19:34:28 -0800
Subject: Fixed preamble parsing in LaTeX reader.

---
 src/Text/Pandoc/Readers/LaTeX.hs | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

(limited to 'src/Text/Pandoc/Readers/LaTeX.hs')

diff --git a/src/Text/Pandoc/Readers/LaTeX.hs b/src/Text/Pandoc/Readers/LaTeX.hs
index f02d7a564..70a913a1b 100644
--- a/src/Text/Pandoc/Readers/LaTeX.hs
+++ b/src/Text/Pandoc/Readers/LaTeX.hs
@@ -120,7 +120,8 @@ anyEnvironment =  try $ do
 -- | Process LaTeX preamble, extracting metadata.
 processLaTeXPreamble :: GenParser Char ParserState ()
 processLaTeXPreamble =
-  skipMany $ notFollowedBy' anyEnvironment >> block
+  skipMany $ choice [ bibliographic, unknownCommand,
+                      commentBlock, skipToken ]
 
 -- | Parse LaTeX and return 'Pandoc'.
 parseLaTeX :: GenParser Char ParserState Pandoc
@@ -156,7 +157,9 @@ block = choice [ hrule
                , itemBlock
                , unknownEnvironment
                , ignore
-               , unknownCommand ] <?> "block"
+               , unknownCommand
+               , skipToken
+               ] <?> "block"
 
 --
 -- header blocks
@@ -435,6 +438,9 @@ unknownCommand = try $ do
 commandsToIgnore :: [String]
 commandsToIgnore = ["special","pdfannot","pdfstringdef","bibliography"]
 
+skipToken :: GenParser Char ParserState Block
+skipToken = satisfy (/='\\') >> spaces >> return Null
+
 commentBlock :: GenParser Char st Block
 commentBlock = comment >> return Null
 
-- 
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