[project @ 2000-06-09 07:32:31 by simonpj]

[ghc-hetmet.git] / ghc / compiler / hsSyn / HsTypes.lhs

diff --git a/ghc/compiler/hsSyn/HsTypes.lhs b/ghc/compiler/hsSyn/HsTypes.lhs
index a795a2f..40d50f3 100644 (file)
--- a/ghc/compiler/hsSyn/HsTypes.lhs
+++ b/ghc/compiler/hsSyn/HsTypes.lhs
@@ -145,6 +145,9 @@ replaceTyVarName (IfaceTyVar n k) n' = IfaceTyVar n' k
 %*                                                                     *
 %************************************************************************
 
+NB: these types get printed into interface files, so 
+    don't change the printing format lightly
+
 \begin{code}
 instance (Outputable name) => Outputable (HsType name) where
     ppr ty = pprHsType ty