From d04ded4ca999e9488128e1b85e1566fca3ef3a48 Mon Sep 17 00:00:00 2001
From: John MacFarlane <jgm@berkeley.edu>
Date: Mon, 15 Oct 2018 11:59:05 -0700
Subject: LaTeX reader: more careful placement of withVerbatimMode.

for macros
---
 src/Text/Pandoc/Readers/LaTeX.hs | 30 ++++++++++++++++--------------
 1 file changed, 16 insertions(+), 14 deletions(-)

(limited to 'src/Text')

diff --git a/src/Text/Pandoc/Readers/LaTeX.hs b/src/Text/Pandoc/Readers/LaTeX.hs
index 9e419793d..b292e9b8d 100644
--- a/src/Text/Pandoc/Readers/LaTeX.hs
+++ b/src/Text/Pandoc/Readers/LaTeX.hs
@@ -1541,9 +1541,10 @@ newcommand = do
                              controlSeq "renewcommand" <|>
                              controlSeq "providecommand" <|>
                              controlSeq "DeclareRobustCommand"
-  optional $ symbol '*'
-  Tok _ (CtrlSeq name) txt <- withVerbatimMode $ anyControlSeq <|>
-    (symbol '{' *> spaces *> anyControlSeq <* spaces <* symbol '}')
+  Tok _ (CtrlSeq name) txt <- withVerbatimMode $ do
+    optional (symbol '*')
+    anyControlSeq <|>
+      (symbol '{' *> spaces *> anyControlSeq <* spaces <* symbol '}')
   spaces
   numargs <- option 0 $ try bracketedNum
   let argspecs = map (\i -> ArgNum i) [1..numargs]
@@ -1564,18 +1565,19 @@ newenvironment = do
   Tok _ (CtrlSeq mtype) _ <- controlSeq "newenvironment" <|>
                              controlSeq "renewenvironment" <|>
                              controlSeq "provideenvironment"
-  optional $ symbol '*'
-  spaces
-  name <- untokenize <$> braced
-  spaces
-  numargs <- option 0 $ try bracketedNum
+  name <- withVerbatimMode $ do
+    optional $ symbol '*'
+    spaces
+    untokenize <$> braced
+  numargs <- withVerbatimMode $ do
+    spaces
+    option 0 $ try bracketedNum
   let argspecs = map (\i -> ArgNum i) [1..numargs]
-  spaces
-  optarg <- option Nothing $ Just <$> try bracketedToks
-  spaces
-  startcontents <- withVerbatimMode bracedOrToken
-  spaces
-  endcontents <- withVerbatimMode bracedOrToken
+  optarg <- withVerbatimMode $ do
+    spaces
+    option Nothing $ Just <$> try bracketedToks
+  startcontents <- withVerbatimMode $ spaces >> bracedOrToken
+  endcontents <- withVerbatimMode $ spaces >> bracedOrToken
   when (mtype == "newenvironment") $ do
     macros <- sMacros <$> getState
     case M.lookup name macros of
-- 
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