--- rxvt-unicode/src/perl/overlay-osc	2008/10/10 00:21:16	1.2
+++ rxvt-unicode/src/perl/overlay-osc	2012/06/10 17:39:54	1.5
@@ -1,10 +1,22 @@
 #! perl
 
+=head1 NAME
+
+   overlay-osc - implement OSC to manage overlays
+
+=head1 DESCRIPTION
+
+This extension implements some OSC commands to display timed popups on the
+screen - useful for status displays from within scripts. You have to read
+the sources for more info.
+
+=cut
+
 # allows programs to open popups
 # printf "\033]777;overlay;action;args\007"
 #
 # action "simple;<id>;<timeout>;<x>;<y>;<h|t>;<text>"
-#   printf "\033]777;overlay;simple;ov1;0;0;t;test\007"
+#   printf "\033]777;overlay;simple;ov1;5;0;0;t;test\007"
 #
 
 # action "timeout;<id>;<seconds>"