From 33d328f1cf689fc0ceede285617cd027c768e422 Mon Sep 17 00:00:00 2001
From: John MacFarlane <jgm@berkeley.edu>
Date: Tue, 24 Nov 2015 20:23:06 -0800
Subject: Allow pipe tables with no body rows.

Previously this raised a runtime error.

Closes #2556.
---
 src/Text/Pandoc/Readers/Markdown.hs | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

(limited to 'src')

diff --git a/src/Text/Pandoc/Readers/Markdown.hs b/src/Text/Pandoc/Readers/Markdown.hs
index d0c03062a..64cd817ba 100644
--- a/src/Text/Pandoc/Readers/Markdown.hs
+++ b/src/Text/Pandoc/Readers/Markdown.hs
@@ -1341,9 +1341,10 @@ pipeTable :: MarkdownParser ([Alignment], [Double], F [Blocks], F [[Blocks]])
 pipeTable = try $ do
   nonindentSpaces
   lookAhead nonspaceChar
-  (heads,(aligns, seplengths)) <- (,) <$> pipeTableRow <*> pipeBreak
+  ((heads, rawHead),(aligns, seplengths)) <- (,) <$>
+                                        withRaw pipeTableRow <*> pipeBreak
   (lines', rawRows) <- unzip <$> many (withRaw pipeTableRow)
-  let maxlength = maximum $ map length rawRows
+  let maxlength = maximum $ map length (rawHead : rawRows)
   numColumns <- getOption readerColumns
   let widths = if maxlength > numColumns
                   then map (\len ->
-- 
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