From c37db57c9a4f2d812ae75371757ccaa2bbe8ecef Mon Sep 17 00:00:00 2001
From: John MacFarlane <jgm@berkeley.edu>
Date: Mon, 15 Dec 2014 10:22:19 -0800
Subject: EPUB writer: Removed playOrder from navpoint elements in ncx file.

These aren't required, and they make manual modification of epubs
difficult.  Closes #1760.
---
 src/Text/Pandoc/Writers/EPUB.hs | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/src/Text/Pandoc/Writers/EPUB.hs b/src/Text/Pandoc/Writers/EPUB.hs
index 2291c7184..3f9c6a606 100644
--- a/src/Text/Pandoc/Writers/EPUB.hs
+++ b/src/Text/Pandoc/Writers/EPUB.hs
@@ -570,8 +570,7 @@ writeEPUB opts doc@(Pandoc meta _) = do
 
   let navMapFormatter :: Int -> String -> String -> [Element] -> Element
       navMapFormatter n tit src subs = unode "navPoint" !
-               [("id", "navPoint-" ++ show n)
-               ,("playOrder", show n)] $
+               [("id", "navPoint-" ++ show n)] $
                   [ unode "navLabel" $ unode "text" tit
                   , unode "content" ! [("src", src)] $ ()
                   ] ++ subs
-- 
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