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-rw-r--r--src/Text/Pandoc/Lua/Module/Pandoc.hs3
1 files changed, 2 insertions, 1 deletions
diff --git a/src/Text/Pandoc/Lua/Module/Pandoc.hs b/src/Text/Pandoc/Lua/Module/Pandoc.hs
index 8d30f9a0c..c06b556ce 100644
--- a/src/Text/Pandoc/Lua/Module/Pandoc.hs
+++ b/src/Text/Pandoc/Lua/Module/Pandoc.hs
@@ -1,5 +1,6 @@
{-# LANGUAGE FlexibleContexts #-}
{-# LANGUAGE OverloadedStrings #-}
+{-# LANGUAGE TypeApplications #-}
{- |
Module : Text.Pandoc.Lua.Module.Pandoc
Copyright : Copyright © 2017-2021 Albert Krewinkel
@@ -77,7 +78,7 @@ read content formatSpecOrNil = liftPandocLua $ do
"Unknown reader: " <> f
Left (PandocUnsupportedExtensionError e f) -> Lua.raiseError $
"Extension " <> e <> " not supported for " <> f
- Left e -> Lua.raiseError $ show e
+ Left e -> Lua.raiseError $ show @String e
-- | Pipes input through a command.
pipe :: String -- ^ path to executable