Closed Yuras closed 3 years ago
Data.Semigroup was added in base-4.9
See https://matrix.hackage.haskell.org/#/package/pdf-toolbox-core/0.1.1/ghc-7.10.3@1619634950
Edited pdf-toolbox-core on hackage: https://hackage.haskell.org/package/pdf-toolbox-core-0.1.1/revisions/
Data.Semigroup was added in base-4.9
See https://matrix.hackage.haskell.org/#/package/pdf-toolbox-core/0.1.1/ghc-7.10.3@1619634950