From 3a9848f50e36696ea9adb62ad526881bcf13ad07 Mon Sep 17 00:00:00 2001
From: Luke Warlow <lwarlow@igalia.com>
Date: Thu, 11 Jan 2024 13:25:52 +0000
Subject: [PATCH] Update callback IDL to return nullable types

---
 spec/index.bs | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/spec/index.bs b/spec/index.bs
index 45ffad5..1c8ba48 100644
--- a/spec/index.bs
+++ b/spec/index.bs
@@ -763,9 +763,9 @@ dictionary TrustedTypePolicyOptions {
    CreateScriptCallback? createScript;
    CreateScriptURLCallback? createScriptURL;
 };
-callback CreateHTMLCallback = DOMString (DOMString input, any... arguments);
-callback CreateScriptCallback = DOMString (DOMString input, any... arguments);
-callback CreateScriptURLCallback = USVString (DOMString input, any... arguments);
+callback CreateHTMLCallback = DOMString? (DOMString input, any... arguments);
+callback CreateScriptCallback = DOMString? (DOMString input, any... arguments);
+callback CreateScriptURLCallback = USVString? (DOMString input, any... arguments);
 </pre>
 
 ### <dfn>Default policy</dfn> ### {#default-policy-hdr}