From 4b43531a708ef03fa92a7cf0a8048a6094986e8a Mon Sep 17 00:00:00 2001
From: John MacFarlane <jgm@berkeley.edu>
Date: Wed, 25 Feb 2015 21:15:28 -0800
Subject: Markdown writer: don't emit span tags if plain or raw HTML disabled.

---
 src/Text/Pandoc/Writers/Markdown.hs | 13 ++++++++-----
 1 file changed, 8 insertions(+), 5 deletions(-)

diff --git a/src/Text/Pandoc/Writers/Markdown.hs b/src/Text/Pandoc/Writers/Markdown.hs
index 8b126a562..662373209 100644
--- a/src/Text/Pandoc/Writers/Markdown.hs
+++ b/src/Text/Pandoc/Writers/Markdown.hs
@@ -724,8 +724,10 @@ escapeSpaces x = x
 -- | Convert Pandoc inline element to markdown.
 inlineToMarkdown :: WriterOptions -> Inline -> State WriterState Doc
 inlineToMarkdown opts (Span attrs ils) = do
+  plain <- gets stPlain
   contents <- inlineListToMarkdown opts ils
-  return $ if isEnabled Ext_raw_html opts
+  return $ if not plain &&
+              (isEnabled Ext_raw_html opts || isEnabled Ext_native_spans opts)
               then tagWithAttrs "span" attrs <> contents <> text "</span>"
               else contents
 inlineToMarkdown opts (Emph lst) = do
@@ -758,13 +760,14 @@ inlineToMarkdown opts (Subscript lst) = do
               else "<sub>" <> contents <> "</sub>"
 inlineToMarkdown opts (SmallCaps lst) = do
   plain <- gets stPlain
-  if plain
-     then inlineListToMarkdown opts $ capitalize lst
-     else do
+  if not plain &&
+     (isEnabled Ext_raw_html opts || isEnabled Ext_native_spans opts)
+     then do
        contents <- inlineListToMarkdown opts lst
        return $ tagWithAttrs "span"
-            ("",[],[("style","font-variant:small-caps;")])
+                 ("",[],[("style","font-variant:small-caps;")])
              <> contents <> text "</span>"
+     else inlineListToMarkdown opts $ capitalize lst
 inlineToMarkdown opts (Quoted SingleQuote lst) = do
   contents <- inlineListToMarkdown opts lst
   return $ "‘" <> contents <> "’"
-- 
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