From 2ed5d06b6f75f523d7f40b2476afff8d64c3f545 Mon Sep 17 00:00:00 2001
From: Monica Chintala <monicach@microsoft.com>
Date: Tue, 16 Dec 2025 15:08:16 -0800
Subject: [PATCH 1/2] Add DP to policy-container

---
 source | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)

diff --git a/source b/source
index c674496762c..c2eec9ef807 100644
--- a/source
+++ b/source
@@ -2757,6 +2757,14 @@ a.setAttribute('href', 'https://example.com/'); // change the content attribute
      </li>
     </ul>
 
+    <p>The following terms are defined in <cite>Document Policy</cite>:
+
+    <ul class="brief">
+     <li><dfn data-x-href="https://wicg.github.io/document-policy/#document-policy">document policy</dfn></li>
+     <li>The `<dfn data-x="http-document-policy" data-x-href="https://wicg.github.io/document-policy/#document-policy-http-header"><code>Document-Policy</code></dfn>` HTTP header</li>
+     <li>The <dfn data-x="parse-document-policy-header" data-x-href="https://wicg.github.io/document-policy/#parse-document-policy">parse the `<code>Document-Policy</code>` header</dfn> algorithm</li>
+    </ul>
+
     <p>The following terms are defined in <cite>Referrer Policy</cite>:
     <ref>REFERRERPOLICY</ref></p>
 
@@ -94771,6 +94779,10 @@ interface <dfn interface data-x="dom-Origin-interface">Origin</dfn> {
    <li><p>A <dfn export for="policy container" data-x="policy-container-csp-list">CSP list</dfn>,
    which is a <span data-x="concept-csp-list">CSP list</span>. It is initially empty.</p></li>
 
+  <li><p>An <dfn export for="policy container" data-x="policy-container-document-policy">document
+   policy</dfn>, which is an <span>document policy</span>. It is initially a new <span>document
+   policy</span>.</p></li>
+
    <li><p>An <dfn export for="policy container" data-x="policy-container-embedder-policy">embedder
    policy</dfn>, which is an <span>embedder policy</span>. It is initially a new <span>embedder
    policy</span>.</p></li>
@@ -94803,6 +94815,10 @@ interface <dfn interface data-x="dom-Origin-interface">Origin</dfn> {
    data-x="list append">append</span> a copy of <var>policy</var> into <var>clone</var>'s <span
    data-x="policy-container-csp-list">CSP list</span>.</p></li>
 
+   <li><p>Set <var>clone</var>'s <span data-x="policy-container-document-policy">document
+   policy</span> to a copy of <var>policyContainer</var>'s <span
+   data-x="policy-container-document-policy">document policy</span>.</p></li>
+
    <li><p>Set <var>clone</var>'s <span data-x="policy-container-embedder-policy">embedder
    policy</span> to a copy of <var>policyContainer</var>'s <span
    data-x="policy-container-embedder-policy">embedder policy</span>.</p></li>
@@ -94861,6 +94877,10 @@ interface <dfn interface data-x="dom-Origin-interface">Origin</dfn> {
    result of <span data-x="parse-response-csp">parsing a response's Content Security Policies</span>
    given <var>response</var>.</p></li>
 
+   <li><p>Set <var>result</var>'s <span data-x="policy-container-document-policy">document
+   policy</span> to the result of <span data-x="parse-document-policy-header">parsing the
+   `<code>Document-Policy</code>` header</span> given <var>response</var>.</p></li>
+
    <li><p>If <var>environment</var> is non-null, then set <var>result</var>'s <span
    data-x="policy-container-embedder-policy">embedder policy</span> to the result of <span
    data-x="obtain an embedder policy">obtaining an embedder policy</span> given <var>response</var>
@@ -157033,6 +157053,7 @@ INSERT INTERFACES HERE
   Mohammad Al Houssami,
   Mohammad Reza Zakerinasab,
   Momdo Nakamura,
+  Monica Chintala,
   Morten Stenshorne,
   Mounir Lamouri,
   Ms2ger,

From 46552b03cbbf170fc9f095deadfd87b099306b7f Mon Sep 17 00:00:00 2001
From: Monica Chintala <monicach@microsoft.com>
Date: Wed, 21 Jan 2026 16:38:50 -0800
Subject: [PATCH 2/2] add fallback case

---
 source | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/source b/source
index c2eec9ef807..9f0fd2b7f79 100644
--- a/source
+++ b/source
@@ -94779,7 +94779,7 @@ interface <dfn interface data-x="dom-Origin-interface">Origin</dfn> {
    <li><p>A <dfn export for="policy container" data-x="policy-container-csp-list">CSP list</dfn>,
    which is a <span data-x="concept-csp-list">CSP list</span>. It is initially empty.</p></li>
 
-  <li><p>An <dfn export for="policy container" data-x="policy-container-document-policy">document
+   <li><p>A <dfn export for="policy container" data-x="policy-container-document-policy">document
    policy</dfn>, which is an <span>document policy</span>. It is initially a new <span>document
    policy</span>.</p></li>
 
@@ -94879,7 +94879,8 @@ interface <dfn interface data-x="dom-Origin-interface">Origin</dfn> {
 
    <li><p>Set <var>result</var>'s <span data-x="policy-container-document-policy">document
    policy</span> to the result of <span data-x="parse-document-policy-header">parsing the
-   `<code>Document-Policy</code>` header</span> given <var>response</var>.</p></li>
+   `<code>Document-Policy</code>` header</span> given <var>response</var>. If parsing fails or the
+   header is absent, set it to a new empty document policy.</p></li>
 
    <li><p>If <var>environment</var> is non-null, then set <var>result</var>'s <span
    data-x="policy-container-embedder-policy">embedder policy</span> to the result of <span