Removed the idpred from metaValueToReference.

This isn't really necessary; we do filtering at other points now.

src/Text/Pandoc/Citeproc.hs

@@ -107,8 +107,7 @@ processCitations (Pandoc meta bs) = do
                               c `Set.member` nocites)
   refs <- map (linkifyVariables . legacyDateRanges) <$>
           case lookupMeta "references" meta of
-            Just (MetaList rs) -> return $
-              mapMaybe (metaValueToReference idpred) rs
+            Just (MetaList rs) -> return $ mapMaybe metaValueToReference rs
             _                  ->
               case lookupMeta "bibliography" meta of
                  Just (MetaList xs) ->
@@ -216,7 +215,7 @@ getRefs locale format idpred raw =
       rs <- yamlToRefs idpred
               def{ readerExtensions = pandocExtensions }
               (L.fromStrict raw)
-      return $ mapMaybe (metaValueToReference idpred . MetaMap) rs
+      return $ mapMaybe (metaValueToReference . MetaMap) rs
 
 -- localized quotes
 convertQuotes :: Locale -> Inline -> Inline

src/Text/Pandoc/Citeproc/MetaValue.hs

@@ -102,27 +102,19 @@ dateToMetaValue date =
        | otherwise  -> printf "%04d" y
       _             -> mempty
 
-metaValueToReference :: (Text -> Bool)  -- ^ predicate on IDs to include
-                     -> MetaValue
+metaValueToReference :: MetaValue
                      -> Maybe (Reference Inlines)
-metaValueToReference idpred (MetaMap m) = do
+metaValueToReference (MetaMap m) = do
   let m' = M.mapKeys normalizeKey m
   id' <- M.lookup "id" m' >>= metaValueToText
-  let mbotherids =
-        case M.lookup "other-ids" m' of
-           Just (MetaList xs) -> map metaValueToText xs
-           _                  -> []
-  if idpred id' || any (maybe False idpred) mbotherids
-     then do
-       type' <- (M.lookup "type" m' >>= metaValueToText) <|> pure ""
-       let m'' = M.delete "id" $ M.delete "type" m'
-       let vars = M.mapKeys toVariable $ M.mapWithKey metaValueToVal m''
-       return $ Reference { referenceId = ItemId id'
-                          , referenceType = type'
-                          , referenceDisambiguation = Nothing
-                          , referenceVariables = vars }
-     else Nothing
-metaValueToReference _ _ = Nothing
+  type' <- (M.lookup "type" m' >>= metaValueToText) <|> pure ""
+  let m'' = M.delete "id" $ M.delete "type" m'
+  let vars = M.mapKeys toVariable $ M.mapWithKey metaValueToVal m''
+  return $ Reference { referenceId = ItemId id'
+                     , referenceType = type'
+                     , referenceDisambiguation = Nothing
+                     , referenceVariables = vars }
+metaValueToReference _ = Nothing
 
 metaValueToVal :: Text -> MetaValue -> Val Inlines
 metaValueToVal k v

src/Text/Pandoc/Writers/CslJson.hs

@@ -48,7 +48,7 @@ writeCslJson _opts (Pandoc meta _) = do
                Right l -> return l
   case lookupMeta "references" meta of
     Just (MetaList rs) -> return $ (UTF8.toText $
-         toCslJson locale (mapMaybe (metaValueToReference (const True)) rs))
+         toCslJson locale (mapMaybe metaValueToReference rs))
           <> "\n"
     _ -> throwError $ PandocAppError "No references field"