0.8.8.27:

[sbcl.git] / src / code / early-setf.lisp

diff --git a/src/code/early-setf.lisp b/src/code/early-setf.lisp
index 6549d41..4f7a94a 100644 (file)
--- 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)))