From 698959ab93091724b6113c291ce928fcb1ea8175 Mon Sep 17 00:00:00 2001
From: Oneric <oneric@oneric.stub>
Date: Sat, 7 Aug 2021 01:16:10 +0200
Subject: doc: state when ass_track_set_feature is legal

---
 libass/ass.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/libass/ass.h b/libass/ass.h
index 8422c82..c7ff8d9 100644
--- a/libass/ass.h
+++ b/libass/ass.h
@@ -609,6 +609,7 @@ ASS_Track *ass_new_track(ASS_Library *);
  * headers. (ass_process_chunk() will not change any of the flags.)
  * Additions to ASS_Feature are backward compatible to old libass releases (ABI
  * compatibility).
+ * After calling ass_render_frame, changing features is no longer allowed.
  * \param track track
  * \param feature the specific feature to enable or disable
  * \param enable 0 for disable, any non-0 value for enable
-- 
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