RPLACA, RPLACD: Return the modified cons instead of NIL.

1 files changed, 2 insertions, 2 deletions

diff --git a/MLKRoot.m b/MLKRoot.m
index dd5b22a..1efd024 100644
--- a/MLKRoot.m
+++ b/MLKRoot.m
@@ -75,14 +75,14 @@ static id
 rplaca (id _data, id cons, id value, id _marker)
 {
   [cons setCar:value];
-  return nil;
+  return cons;
 }
 
 static id
 rplacd (id _data, id cons, id value, id _marker)
 {
   [cons setCdr:value];
-  return nil;
+  return cons;
 }
 
 static id