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-rw-r--r--LayoutModifier.hs3
1 files changed, 2 insertions, 1 deletions
diff --git a/LayoutModifier.hs b/LayoutModifier.hs
index 59258f9..1bf276f 100644
--- a/LayoutModifier.hs
+++ b/LayoutModifier.hs
@@ -1,4 +1,5 @@
-{-# LANGUAGE MultiParamTypeClasses #-}
+{-# -fglasgow-exts #-} -- For deriving Data/Typeable
+{-# LANGUAGE FlexibleInstances, MultiParamTypeClasses, PatternGuards #-}
-----------------------------------------------------------------------------
-- |