--- Coro/Coro.pm	2008/05/09 22:29:05	1.182
+++ Coro/Coro.pm	2008/05/31 12:10:55	1.191
@@ -68,7 +68,7 @@
 our $main;    # main coroutine
 our $current; # current coroutine
 
-our $VERSION = 4.6;
+our $VERSION = 4.742;
 
 our @EXPORT = qw(async async_pool cede schedule terminate current unblock_sub);
 our %EXPORT_TAGS = (
@@ -614,6 +614,12 @@
 another coroutine, or puts some other coroutine into the ready queue),
 there is no reason to use C<unblock_sub>.
 
+Note that you also need to use C<unblock_sub> for any other callbacks that
+are indirectly executed by any C-based event loop. For example, when you
+use a module that uses L<AnyEvent> (and you use L<Coro::AnyEvent>) and it
+provides callbacks that are the result of some event callback, then you
+must not block either, or use C<unblock_sub>.
+
 =cut
 
 our @unblock_queue;