From f4ac0edf2a5087f3f988147726813a6240288945 Mon Sep 17 00:00:00 2001
From: John MacFarlane <jgm@berkeley.edu>
Date: Wed, 22 Mar 2017 21:18:55 +0100
Subject: Markdown reader:  allow latex macro definitions indented 1-3 spaces.

Previously they only worked if nonindented.
---
 src/Text/Pandoc/Readers/Markdown.hs | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/src/Text/Pandoc/Readers/Markdown.hs b/src/Text/Pandoc/Readers/Markdown.hs
index 0cc10c1d4..5f08afe08 100644
--- a/src/Text/Pandoc/Readers/Markdown.hs
+++ b/src/Text/Pandoc/Readers/Markdown.hs
@@ -498,7 +498,7 @@ block = do
                , htmlBlock
                , table
                , codeBlockIndented
-               , guardEnabled Ext_latex_macros *> (macro >>= return . return)
+               , latexMacro
                , rawTeXBlock
                , lineBlock
                , blockQuote
@@ -1071,6 +1071,13 @@ rawVerbatimBlock = htmlInBalanced isVerbTag
         isVerbTag (TagOpen "script" _) = True
         isVerbTag _                    = False
 
+latexMacro :: PandocMonad m => MarkdownParser m (F Blocks)
+latexMacro = try $ do
+  guardEnabled Ext_latex_macros
+  skipNonindentSpaces
+  res <- macro
+  return $ return res
+
 rawTeXBlock :: PandocMonad m => MarkdownParser m (F Blocks)
 rawTeXBlock = do
   guardEnabled Ext_raw_tex
-- 
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