From f0c47907ca1d7ee9600a574c3e007640c7700d7d Mon Sep 17 00:00:00 2001
From: Andreas Lööw <AndreasLoow@users.noreply.github.com>
Date: Sat, 17 Oct 2015 22:58:09 +0200
Subject: Consider header files when determining whether to use csquotes.

---
 src/Text/Pandoc/Writers/LaTeX.hs | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

(limited to 'src/Text/Pandoc')

diff --git a/src/Text/Pandoc/Writers/LaTeX.hs b/src/Text/Pandoc/Writers/LaTeX.hs
index 770a674b7..15982736c 100644
--- a/src/Text/Pandoc/Writers/LaTeX.hs
+++ b/src/Text/Pandoc/Writers/LaTeX.hs
@@ -38,7 +38,7 @@ import Text.Pandoc.Options
 import Text.Pandoc.Templates
 import Text.Printf ( printf )
 import Network.URI ( isURI, unEscapeString )
-import Data.Aeson (object, (.=))
+import Data.Aeson ( object, (.=), FromJSON )
 import Data.List ( (\\), isInfixOf, stripPrefix, intercalate, intersperse )
 import Data.Char ( toLower, isPunctuation, isAscii, isLetter, isDigit, ord )
 import Data.Maybe ( fromMaybe )
@@ -129,7 +129,12 @@ pandocToLaTeX options (Pandoc meta blocks) = do
                  | otherwise               -> return ()
   -- check for \usepackage...{csquotes}; if present, we'll use
   -- \enquote{...} for smart quotes:
-  when ("{csquotes}" `isInfixOf` template) $
+  let headerIncludesField :: FromJSON a => Maybe a
+      headerIncludesField = getField "header-includes" metadata
+  let headerIncludes = fromMaybe [] $ mplus
+                       (fmap return headerIncludesField)
+                       headerIncludesField
+  when (any (isInfixOf "{csquotes}") (template : headerIncludes)) $
     modify $ \s -> s{stCsquotes = True}
   let (blocks'', lastHeader) = if writerCiteMethod options == Citeproc then
                                  (blocks', [])
-- 
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