Fixed macro parsing.

src/Text/Pandoc/Parsing.hs

@@ -84,7 +84,7 @@ import Network.URI ( parseURI, URI (..), isAllowedInURI )
 import Control.Monad ( join, liftM, guard )
 import Text.Pandoc.Shared
 import qualified Data.Map as M
-import Text.TeXMath.Macros (applyMacros, Macro, pMacroDefinition)
+import Text.TeXMath.Macros (applyMacros, Macro, parseMacroDefinitions)
 
 -- | Like >>, but returns the operation on the left.
 -- (Suggested by Tillmann Rendel on Haskell-cafe list.)
@@ -789,13 +789,15 @@ emDash = do
 
 -- | Parse a \newcommand or \renewcommand macro definition.
 macro :: GenParser Char ParserState Block
-macro = getState >>= guard . stateApplyMacros >>
-        pMacroDefinition >>= addMacro >> blanklines >> return Null
-
--- | Add a macro to the list of macros in state.
-addMacro :: Macro -> GenParser Char ParserState ()
-addMacro m = do
-  updateState $ \st -> st{ stateMacros = m : stateMacros st }
+macro = do
+  getState >>= guard . stateApplyMacros
+  inp <- getInput
+  case parseMacroDefinitions inp of
+       ([], _)    -> pzero
+       (ms, rest) -> do count (length inp - length rest) anyChar
+                        updateState $ \st ->
+                           st { stateMacros = ms ++ stateMacros st }
+                        return Null
 
 -- | Apply current macros to string.
 applyMacros' :: String -> GenParser Char ParserState String