Index: collects/srfi/14/char-set.ss
===================================================================
--- collects/srfi/14/char-set.ss	(revision 13869)
+++ collects/srfi/14/char-set.ss	(working copy)
@@ -434,10 +434,10 @@
    [char-set-intersection char-sets0/c]
    [char-set-intersection! char-sets/c]
    [char-set-difference char-sets/c]
-   [char-set-difference! char-sets+/c]
+   [char-set-difference! char-sets/c]
    [char-set-xor char-sets0/c]
    [char-set-xor! char-sets/c]
-   [char-set-diff+intersection char-sets+/c]
+   [char-set-diff+intersection char-sets/c]
    [char-set-diff+intersection! char-sets+/c])
   (provide
    char-set:lower-case