From 4351b03e1850a003323db85df904ed44cd0c3329 Mon Sep 17 00:00:00 2001
From: Robbert van der Helm <mail@robbertvanderhelm.nl>
Date: Tue, 12 May 2020 13:07:05 +0200
Subject: [PATCH] Mention that WantsVstRect can return nothing

---
 src/common/serialization.h | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/common/serialization.h b/src/common/serialization.h
index de93fbe7..2c1fe7f7 100644
--- a/src/common/serialization.h
+++ b/src/common/serialization.h
@@ -303,7 +303,9 @@ struct WantsChunkBuffer {};
 
 /**
  * Marker struct to indicate that the event handler will write a pointer to a
- * `VstRect` struct into the void pointer.
+ * `VstRect` struct into the void pointer. It's also possible that the plugin
+ * doesn't do anything. In that case we'll serialize the response as a null
+ * pointer.
  */
 struct WantsVstRect {};