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-rw-r--r--StackSet.hs2
1 files changed, 1 insertions, 1 deletions
diff --git a/StackSet.hs b/StackSet.hs
index 375a096..9fbd6bb 100644
--- a/StackSet.hs
+++ b/StackSet.hs
@@ -44,7 +44,7 @@ data StackSet i j a =
, stacks :: !(M.Map i ([a], [a])) -- ^ screen -> (floating, normal)
, focus :: !(M.Map i [a]) -- ^ the stack of window focus in each stack
, cache :: !(M.Map a i) -- ^ a cache of windows back to their stacks
- } deriving (Eq, Show, Read)
+ } deriving (Eq, Show)
-- The cache is used to check on insertion that we don't already have
-- this window managed on another stack