From bcb597fb9af0c93753b4286998e028bd323491fd Mon Sep 17 00:00:00 2001
From: Elad Alon <elad.alon@gmail.com>
Date: Tue, 8 Mar 2022 20:57:44 +0100
Subject: [PATCH 1/3] Serialization

---
 index.html | 30 +++++++++++++++++++++++++++++-
 1 file changed, 29 insertions(+), 1 deletion(-)

diff --git a/index.html b/index.html
index cf9b8f6..d2a2d37 100644
--- a/index.html
+++ b/index.html
@@ -19,6 +19,15 @@ <h2>Abstract</h2>
       a First Public Working Draft.
     </section>
     <section id="conformance"></section>
+    <section id="terminology">
+      <h2>Terminology</h2>
+      <p>
+        The terms
+        <dfn class="fixme" data-cite="HTML/structured-data.html#serializable-objects"
+          >serializable objects</dfn
+        >, [= serialization steps =], and [= deserialization steps =] are defined in [[!HTML]].
+      </p>
+    </section>
     <section id="definitions">
       <h2>Definitions</h2>
       <p>
@@ -147,12 +156,31 @@ <h3><dfn>CropTarget</dfn> Definition</h3>
           purpose is to be handed to {{BrowserCaptureMediaStreamTrack/cropTo}} as input.
         </p>
         <pre class="idl">
-          [Exposed = Window]
+          [Exposed = Window, Serializable]
           interface CropTarget {
             // Intentionally empty; just an opaque identifier.
           };
         </pre>
         <dl data-link-for="CropTarget" data-dfn-for="CropTarget"></dl>
+
+        <p id="serializable-croptarget">
+          {{CropTarget}} objects are [= serializable objects =] [[!HTML]]. Their [= serialization
+          steps =], given <var>value</var> and <var>serialized</var>, are:
+        </p>
+        <ol>
+          <li>Make <var>serialized</var> a randomly generated, globally unique {{DOMString}}.</li>
+        </ol>
+        <p>
+          Their <a>deserialization steps</a>, given <var>serialized</var> and <var>value</var>, are:
+        </p>
+        <ol>
+          <li>
+            If <var>serialized</var> was previously produced by serializing a {{CropTarget}} in the
+            current top-level [=browsing context=], or in any of its descendent [=browsing
+            contexts=], then set <var>value</var> to that {{CropTarget}}. Otherwise, set
+            <var>value</var> to {{undefined}}.
+          </li>
+        </ol>
       </section>
       <section id="producecroptarget-method">
         <h3>MediaDevices.produceCropTarget</h3>

From 83a667510782e588e444bb868203f8d5db9880dc Mon Sep 17 00:00:00 2001
From: Elad Alon <elad.alon@gmail.com>
Date: Mon, 14 Mar 2022 18:49:05 +0100
Subject: [PATCH 2/3] rm fixme

---
 index.html | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/index.html b/index.html
index d2a2d37..3eea636 100644
--- a/index.html
+++ b/index.html
@@ -23,9 +23,8 @@ <h2>Abstract</h2>
       <h2>Terminology</h2>
       <p>
         The terms
-        <dfn class="fixme" data-cite="HTML/structured-data.html#serializable-objects"
-          >serializable objects</dfn
-        >, [= serialization steps =], and [= deserialization steps =] are defined in [[!HTML]].
+        <dfn data-cite="HTML/structured-data.html#serializable-objects">serializable objects</dfn>,
+        [= serialization steps =], and [= deserialization steps =] are defined in [[!HTML]].
       </p>
     </section>
     <section id="definitions">

From 545cc380e546f6acdbecaa9c793f5d0258957bd8 Mon Sep 17 00:00:00 2001
From: Elad Alon <elad.alon@gmail.com>
Date: Fri, 18 Mar 2022 17:04:27 +0100
Subject: [PATCH 3/3] Add internal slot

---
 index.html | 18 +++++++++++++-----
 1 file changed, 13 insertions(+), 5 deletions(-)

diff --git a/index.html b/index.html
index 3eea636..fdef96f 100644
--- a/index.html
+++ b/index.html
@@ -167,17 +167,25 @@ <h3><dfn>CropTarget</dfn> Definition</h3>
           steps =], given <var>value</var> and <var>serialized</var>, are:
         </p>
         <ol>
-          <li>Make <var>serialized</var> a randomly generated, globally unique {{DOMString}}.</li>
+          <li>
+            Set <var>serialized</var>.[[\Data]] a randomly generated, globally unique {{DOMString}}.
+          </li>
         </ol>
         <p>
           Their <a>deserialization steps</a>, given <var>serialized</var> and <var>value</var>, are:
         </p>
         <ol>
           <li>
-            If <var>serialized</var> was previously produced by serializing a {{CropTarget}} in the
-            current top-level [=browsing context=], or in any of its descendent [=browsing
-            contexts=], then set <var>value</var> to that {{CropTarget}}. Otherwise, set
-            <var>value</var> to {{undefined}}.
+            Compare <var>serialized</var>.[[\Data]] against a record of all {{CropTargets}} produced
+            and serialized thus far in the current top-level [=browsing context=], or in any of its
+            descendent [=browsing contexts=].
+            <ol>
+              <li>
+                If <var>serialized</var>.[[\Data]] was obtained by serializing previous
+                {{CropTarget}}, then set <var>value</var> to an equivalent {{CropTarget}}.
+              </li>
+              <li>Otherwise, set <var>value</var> to {{undefined}}.</li>
+            </ol>
           </li>
         </ol>
       </section>