diff options
| -rw-r--r-- | src/Text/Pandoc/Pretty.hs | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/src/Text/Pandoc/Pretty.hs b/src/Text/Pandoc/Pretty.hs index 25c2373a6..7f695c4d7 100644 --- a/src/Text/Pandoc/Pretty.hs +++ b/src/Text/Pandoc/Pretty.hs @@ -112,7 +112,11 @@ data D = Text Int String deriving (Show, Eq) newtype Doc = Doc { unDoc :: Seq D } +#if MIN_VERSION_base(4,9,0) + deriving (Semigroup, Monoid, Show, Eq) +#else deriving (Monoid, Show, Eq) +#endif instance IsString Doc where fromString = text |