--- cvsroot/libev/README.embed	2007/11/09 20:55:09	1.15
+++ cvsroot/libev/README.embed	2007/11/09 21:06:23	1.16
@@ -176,7 +176,9 @@
        Can be used to change the callback member declaration in each
        watcher, and the way callbacks are invoked. Must expand to a struct
        member definition and a statement, respectively. See the ev.v
-       header file for their default definitions.
+       header file for their default definitions. One possible use for overriding
+       these is to avoid the ev_loop pointer as first argument in all cases, or
+       to use method calls instead of plain function calls in C++.
 
 EXAMPLES