Explicitely import (<>) for older versions of base

src/Blog/Path.hs

@@ -9,6 +9,7 @@ module Blog.Path (
 import Arguments (Arguments)
 import qualified Arguments as Arguments (Arguments(..))
 import Data.Aeson (ToJSON(..), (.=), pairs)
+import Data.Monoid ((<>))
 import Files (File(..), absolute, filePath)
 import GHC.Generics (Generic)
 

src/Blog/Skin.hs

@@ -11,6 +11,7 @@ import qualified Arguments (bannerPath, favicon, cardImage, headPath, previewArt
 import Control.Monad (filterM)
 import Data.Aeson (ToJSON(..), (.=), pairs)
 import Data.Maybe (listToMaybe)
+import Data.Monoid ((<>))
 import Files (absoluteLink)
 import GHC.Generics (Generic)
 import Prelude hiding (head)

src/Blog/Wording.hs

@@ -11,6 +11,7 @@ import Data.Aeson (ToJSON(..), (.=), object, pairs)
 import Data.List (intercalate)
 import Data.Map (Map, (!))
 import qualified Data.Map as Map (empty, fromList, map, union)
+import Data.Monoid ((<>))
 import Data.Text (Text)
 import qualified Data.Text as Text (pack, unpack)
 import Data.Text.Template (Template, renderA, showTemplate, templateSafe)