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Improved VectInfo
[ghc-hetmet.git]
/
compiler
/
typecheck
/
TcDeriv.lhs
diff --git
a/compiler/typecheck/TcDeriv.lhs
b/compiler/typecheck/TcDeriv.lhs
index
58db618
..
f9be61f
100644
(file)
--- a/
compiler/typecheck/TcDeriv.lhs
+++ b/
compiler/typecheck/TcDeriv.lhs
@@
-543,7
+543,7
@@
cond_isProduct (gla_exts, rep_tc)
| isProductTyCon rep_tc = Nothing
| otherwise = Just why
where
- why = (pprSourceTyCon rep_tc) <+>
+ why = quotes (pprSourceTyCon rep_tc) <+>
ptext SLIT("has more than one constructor")
cond_typeableOK :: Condition