--- rxvt-unicode/src/urxvt.pm	2006/01/03 23:41:37	1.27
+++ rxvt-unicode/src/urxvt.pm	2006/01/04 00:09:12	1.28
@@ -174,6 +174,14 @@
 
 Called whenever the program(s) running in the urxvt window send output.
 
+=item on_osc_seq $term, $string
+
+Called whenever the B<ESC ] 777 ; string ST> command sequence is
+processed. Cursor position and other state information is up-to-date when
+this happens. For interoperability, the string should start with the
+extension name and a colon, to distinguish it from commands for other
+extensions, and this might be enforced in the future.
+
 =item on_refresh_begin $term
 
 Called just before the screen gets redrawn. Can be used for overlay