-- | parse a possibly kinded list of comma separated symbol pairs
rdfSymbMapItems :: GenParser Char st SymbMapItems
rdfSymbMapItems = do
  ext <- optionMaybe rdfEntityType
  iris <- rdfSymbPairs
  return $ SymbMapItems ext iris

-- | parse a comma separated list of uri pairs
rdfSymbMapItems :: GenParser Char st SymbMapItems
rdfSymbMapItems = do
  ext <- optionMaybe rdfEntityType
  iris <- rdfSymbPairs
  return $ SymbMapItems ext iris

-- | parse a comma separated list of uri pairs
rdfSymbMapItems = do
  ext <- optionMaybe rdfEntityType
  iris <- rdfSymbPairs
  return $ SymbMapItems ext iris

-- | parse a comma separated list of uri pairs