X-Git-Url: http://repo.macrolet.net/gitweb/?a=blobdiff_plain;f=src%2Fcode%2Fearly-setf.lisp;h=4f7a94a7390b6f74a3517a14c616cf5af718364b;hb=56a972e201d117a8d5d769527f2bafd23cba7de9;hp=6549d414dfabe0ddde91ba67e98fd16b3d58b8df;hpb=47da3aec921176b189868519273b5bddb8bcc737;p=sbcl.git

diff --git a/src/code/early-setf.lisp b/src/code/early-setf.lisp
index 6549d41..4f7a94a 100644
--- a/src/code/early-setf.lisp
+++ b/src/code/early-setf.lisp
@@ -91,7 +91,8 @@ GET-SETF-EXPANSION directly."
 
 ;;; If a macro, expand one level and try again. If not, go for the
 ;;; SETF function.
-(declaim (ftype (function (t sb!c::lexenv)) expand-or-get-setf-inverse))
+(declaim (ftype (function (t (or null sb!c::lexenv)))
+		expand-or-get-setf-inverse))
 (defun expand-or-get-setf-inverse (form environment)
   (multiple-value-bind (expansion expanded)
       (sb!xc:macroexpand-1 form environment)
@@ -196,9 +197,10 @@ GET-SETF-EXPANSION directly."
 
 (defmacro-mundanely pushnew (obj place &rest keys &environment env)
   #!+sb-doc
-  "Takes an object and a location holding a list. If the object is already
-  in the list, does nothing. Else, conses the object onto the list. Returns
-  NIL. If there is a :TEST keyword, this is used for the comparison."
+  "Takes an object and a location holding a list. If the object is
+  already in the list, does nothing; otherwise, conses the object onto
+  the list. Returns the modified list. If there is a :TEST keyword, this
+  is used for the comparison."
   (multiple-value-bind (dummies vals newval setter getter)
       (get-setf-method place env)
     (let ((g (gensym)))