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-rw-r--r--src/compiler/GF/Command/Commands2.hs1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/compiler/GF/Command/Commands2.hs b/src/compiler/GF/Command/Commands2.hs
index 6d326cdce..100f877a9 100644
--- a/src/compiler/GF/Command/Commands2.hs
+++ b/src/compiler/GF/Command/Commands2.hs
@@ -18,6 +18,7 @@ import Data.Maybe
import qualified Data.Map as Map
import GF.Text.Pretty
import Control.Monad(mplus)
+import qualified Control.Monad.Fail as Fail
data PGFEnv = Env {pgf::Maybe PGF,concs::Map.Map ConcName Concr}