Thu Jul 10 17:39:16 UTC 2008  mantoniotti
  * Removed EXPORT of APPLY-SUBSTITUTION as it is already in the DEFPACKAGE.
diff -rN -u old-cl-unification-1/apply-substitution.lisp new-cl-unification-1/apply-substitution.lisp
--- old-cl-unification-1/apply-substitution.lisp	2013-07-24 17:41:27.000000000 +0000
+++ new-cl-unification-1/apply-substitution.lisp	2013-07-24 17:41:27.000000000 +0000
@@ -18,7 +18,8 @@
          (multiple-value-bind (val foundp)
              (find-variable-value s substitution)
            (cond (foundp val)
-                 (t (warn "~S is a free variable in the current environment." s)
+                 (t (warn "~S is a free variable in the current environment."
+			  s)
                     s))))
         (t s)))
 
@@ -30,9 +31,6 @@
 (defmethod apply-substitution ((substitution environment) (l null))
   '())
 
-(export '(apply-substitution))
-
-
 (defun ground-term (term &optional (substitution (make-empty-environment)))
   (apply-substitution substitution term))