Comments only

diff --git a/compiler/coreSyn/CoreUtils.lhs b/compiler/coreSyn/CoreUtils.lhs
index c59c751..da6367d 100644 (file)
--- a/compiler/coreSyn/CoreUtils.lhs
+++ b/compiler/coreSyn/CoreUtils.lhs
@@ -496,6 +496,9 @@ It returns True iff
        soon, 
        without raising an exception,
        without causing a side effect (e.g. writing a mutable variable)
+
+NB: if exprIsHNF e, then exprOkForSpecuation e
+
 E.G.
        let x = case y# +# 1# of { r# -> I# r# }
        in E
@@ -621,7 +624,7 @@ exprIsHNF other          = False
 
 -- There is at least one value argument
 app_is_value (Var fun) args
-  |  isDataConWorkId fun                       -- Constructor apps are values
+  |  isDataConWorkId fun               -- Constructor apps are values
   || idArity fun > valArgCount args    -- Under-applied function
   = check_args (idType fun) args
 app_is_value (App f a) as = app_is_value f (a:as)