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-rw-r--r--src/Text/Pandoc/Writers/Shared.hs1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/Text/Pandoc/Writers/Shared.hs b/src/Text/Pandoc/Writers/Shared.hs
index c6c30d070..e6ec853f8 100644
--- a/src/Text/Pandoc/Writers/Shared.hs
+++ b/src/Text/Pandoc/Writers/Shared.hs
@@ -74,6 +74,7 @@ metaValueToJSON blockWriter inlineWriter (MetaMap metamap) = liftM toJSON $
Traversable.mapM (metaValueToJSON blockWriter inlineWriter) metamap
metaValueToJSON blockWriter inlineWriter (MetaList xs) = liftM toJSON $
Traversable.mapM (metaValueToJSON blockWriter inlineWriter) xs
+metaValueToJSON _ _ (MetaBool b) = return $ toJSON b
metaValueToJSON _ _ (MetaString s) = return $ toJSON s
metaValueToJSON blockWriter _ (MetaBlocks bs) = liftM toJSON $ blockWriter bs
metaValueToJSON _ inlineWriter (MetaInlines bs) = liftM toJSON $ inlineWriter bs