From 24c129ef4085f2b178ae1a51a285485992f49f3b Mon Sep 17 00:00:00 2001
From: Paul Adenot <paul@paul.cx>
Date: Wed, 12 Nov 2025 10:43:47 +0900
Subject: [PATCH] Fix missing tasks in parallel steps in WebCodecs

---
 index.src.html | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/index.src.html b/index.src.html
index 3da26074..2f61c009 100644
--- a/index.src.html
+++ b/index.src.html
@@ -5583,8 +5583,10 @@
     1. If |type| is not a [=valid image MIME type=], return a {{Promise}}
         rejected with {{TypeError}}.
     2. Let |p| be a new {{Promise}}.
-    3. In parallel, resolve |p| with the result of running the
-        [=Check Type Support=] algorithm with |type|.
+    3. Run the following steps [=in parallel=]:
+        1. Let |isSupported| be the result of running the
+            [=Check Type Support=] algorithm with |type|.
+        2. [=Queue a task=] to resolve |p| with |isSupported|.
     4. Return |p|.
 
 ### Algorithms ### {#imagedecoder-algorithms}