Index: doc/Announce-1.6.0
===================================================================
diff -u -r563743c9e095f3d5a7eca06f84cff5cfbc7ca513 -r2e1b7e4aab6d9a23d7d637ab8b11dbd61d02ddf6
--- doc/Announce-1.6.0	(.../Announce-1.6.0)	(revision 563743c9e095f3d5a7eca06f84cff5cfbc7ca513)
+++ doc/Announce-1.6.0	(.../Announce-1.6.0)	(revision 2e1b7e4aab6d9a23d7d637ab8b11dbd61d02ddf6)
@@ -55,9 +55,12 @@
 
    These inverse functions of mixin and instmixin are used as well
    internally. These functions help to speed certain operations
-   (e.g. superclass, or registering a mixin class) up by a factor of 1000 (!)
-   or more, when a large number of objects exist.
+   (e.g. superclass, or registering a mixin class) up by a factor of
+   1000 (!)  or more, when a large number of objects exist.
 
+   This functionality was primarily implemented by Martin Matuska.
+   Many thanks!
+
   * Made the behavior "pattern" in the following calls identical
     concerning wild cards and object lookups