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-rw-r--r--src/Text/Pandoc/Readers/Metadata.hs2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/Text/Pandoc/Readers/Metadata.hs b/src/Text/Pandoc/Readers/Metadata.hs
index 0d49a7fa8..b9a8653d5 100644
--- a/src/Text/Pandoc/Readers/Metadata.hs
+++ b/src/Text/Pandoc/Readers/Metadata.hs
@@ -70,7 +70,7 @@ yamlBsToRefs :: PandocMonad m
-> ParserT Text ParserState m (F [MetaValue])
yamlBsToRefs pMetaValue idpred bstr =
case YAML.decodeNode' YAML.failsafeSchemaResolver False False bstr of
- Right (YAML.Doc o@(YAML.Mapping _ _ _):_)
+ Right (YAML.Doc o@YAML.Mapping{}:_)
-> case lookupYAML "references" o of
Just (YAML.Sequence _ _ ns) -> do
let g n = case lookupYAML "id" n of