From ca78d93b408c660ee1ab753e165d07acd864b5a7 Mon Sep 17 00:00:00 2001
From: Alexander Krotov <ilabdsf@gmail.com>
Date: Mon, 2 Apr 2018 15:55:04 +0300
Subject: Muse writer: place header IDs before header

See https://github.com/melmothx/text-amuse/issues/39
---
 src/Text/Pandoc/Readers/Muse.hs | 4 ++--
 src/Text/Pandoc/Writers/Muse.hs | 3 +--
 2 files changed, 3 insertions(+), 4 deletions(-)

(limited to 'src')

diff --git a/src/Text/Pandoc/Readers/Muse.hs b/src/Text/Pandoc/Readers/Muse.hs
index b43a53d60..9e2ec310d 100644
--- a/src/Text/Pandoc/Readers/Muse.hs
+++ b/src/Text/Pandoc/Readers/Muse.hs
@@ -363,12 +363,12 @@ separator = try $ do
 
 header :: PandocMonad m => MuseParser m (F Blocks)
 header = try $ do
+  anchorId <- option "" $ try (parseAnchor <* manyTill spaceChar eol)
   getPosition >>= \pos -> guard (sourceColumn pos == 1)
   level <- fmap length $ many1 $ char '*'
   guard $ level <= 5
   spaceChar
   content <- trimInlinesF . mconcat <$> manyTill inline eol
-  anchorId <- option "" parseAnchor
   attr <- registerHeader (anchorId, [], []) (runF content def)
   return $ B.headerWith attr level <$> content
 
@@ -781,12 +781,12 @@ parseAnchor = try $ do
   char '#'
   first <- letter
   rest <- many (letter <|> digit)
-  skipMany spaceChar <|> void newline
   return $ first:rest
 
 anchor :: PandocMonad m => MuseParser m (F Inlines)
 anchor = try $ do
   anchorId <- parseAnchor
+  skipMany spaceChar <|> void newline
   return $ return $ B.spanWith (anchorId, [], []) mempty
 
 footnote :: PandocMonad m => MuseParser m (F Inlines)
diff --git a/src/Text/Pandoc/Writers/Muse.hs b/src/Text/Pandoc/Writers/Muse.hs
index eaae43604..a5cb71d8c 100644
--- a/src/Text/Pandoc/Writers/Muse.hs
+++ b/src/Text/Pandoc/Writers/Muse.hs
@@ -241,8 +241,7 @@ blockToMuse (Header level (ident,_,_) inlines) = do
                  then empty
                  else "#" <> text ident <> cr
   let header' = text $ replicate level '*'
-  return $ blankline <> nowrap (header' <> space <> contents)
-                 $$ attr' <> blankline
+  return $ blankline <> attr' $$ nowrap (header' <> space <> contents) <> blankline
 -- https://www.gnu.org/software/emacs-muse/manual/muse.html#Horizontal-Rules-and-Anchors
 blockToMuse HorizontalRule = return $ blankline $$ "----" $$ blankline
 blockToMuse (Table caption _ _ headers rows) =  do
-- 
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