Document default value for ass_set_check_readorder

diff --git a/libass/ass.h b/libass/ass.h
index bafbe8a7de1e72b83a4d480635d09aa7ffc99399..bd8bb1a6a590b6bfe835c97b0e82448cad00c122 100644 (file)
--- a/libass/ass.h
+++ b/libass/ass.h
@@ -583,6 +583,7 @@ void ass_process_chunk(ASS_Track *track, char *data, int size,
  * use the ReadOrder field embedded in the packet as unique identifier, and
  * discard the packet if there was already a packet with the same ReadOrder.
  * Other values are undefined.
+ * If this function is not called, the default value is 1.
  */
 void ass_set_check_readorder(ASS_Track *track, int check_readorder);