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-rw-r--r--src/Text/Pandoc/Readers/Textile.hs2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/Text/Pandoc/Readers/Textile.hs b/src/Text/Pandoc/Readers/Textile.hs
index 52f4f2493..0b964dd63 100644
--- a/src/Text/Pandoc/Readers/Textile.hs
+++ b/src/Text/Pandoc/Readers/Textile.hs
@@ -692,7 +692,7 @@ langAttr = do
return $ \(id',classes,keyvals) -> (id',classes,("lang",lang):keyvals)
-- | Parses material surrounded by a parser.
-surrounded :: PandocMonad m
+surrounded :: (PandocMonad m, Show t)
=> ParserT [Char] st m t -- ^ surrounding parser
-> ParserT [Char] st m a -- ^ content parser (to be used repeatedly)
-> ParserT [Char] st m [a]