From d8dc67a51d757d08d8a6e5dfefc9cccdf05a32cf Mon Sep 17 00:00:00 2001
From: Luke Warlow <lwarlow@igalia.com>
Date: Fri, 12 Jan 2024 14:18:23 +0000
Subject: [PATCH] Update callback IDL to return nullable types (#389)

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

diff --git a/spec/index.bs b/spec/index.bs
index 6eb9dda..39f3f22 100644
--- a/spec/index.bs
+++ b/spec/index.bs
@@ -762,9 +762,9 @@ 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}