The GHC parser (in Haddock mode) failed:
  src/Database/Esqueleto/Internal/Internal.hs:379:1
  lexical error in string/character literal at character 's'

The GHC parser (in Haddock mode) failed:
  test/PostgreSQL/Test.hs:562:9-41
  parse error on input `-- | Check the result is not null'