From 3029ced631322f9b8174f749f794e3450aeeaf5d Mon Sep 17 00:00:00 2001
From: Alexey Shvayka <shvaikalesh@gmail.com>
Date: Thu, 16 Jan 2020 16:48:12 +0200
Subject: [PATCH 1/4] Capitalize "queue a tree mutation record" in "insert"

---
 dom.bs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/dom.bs b/dom.bs
index 36e6cf5e..5317354b 100644
--- a/dom.bs
+++ b/dom.bs
@@ -2416,7 +2416,7 @@ before a <var>child</var>, with an optional <i>suppress observers flag</i>, run
    <li><p><a for=/>Remove</a> its <a>children</a> with the <i>suppress observers flag</i> set.
 
    <li>
-    <p><a>queue a tree mutation record</a> for <var>node</var> with « », <var>nodes</var>, null, and
+    <p><a>Queue a tree mutation record</a> for <var>node</var> with « », <var>nodes</var>, null, and
     null.
 
     <p class="note no-backref">This step intentionally does not pay attention to the

From d1b4ae271565bde68aa3c7bc65aaa920746cb265 Mon Sep 17 00:00:00 2001
From: Alexey Shvayka <shvaikalesh@gmail.com>
Date: Thu, 16 Jan 2020 16:48:57 +0200
Subject: [PATCH 2/4] Avoid enqueuing tree mutation record when there is no
 mutation

---
 dom.bs | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/dom.bs b/dom.bs
index 5317354b..521f78fd 100644
--- a/dom.bs
+++ b/dom.bs
@@ -2604,7 +2604,8 @@ within a <var>parent</var>, run these steps:
  <li><p>If <var>node</var> is non-null, then <a for=/>insert</a> <var>node</var> into
  <var>parent</var> before null with the <i>suppress observers flag</i> set.
 
- <li><p><a>Queue a tree mutation record</a> for <var>parent</var> with <var>addedNodes</var>,
+ <li><p>If either <var>addedNodes</var> or <var>removedNodes</var> <a for=list>is not empty</a>,
+ then <a>queue a tree mutation record</a> for <var>parent</var> with <var>addedNodes</var>,
  <var>removedNodes</var>, null, and null.
 </ol>
 
@@ -3591,6 +3592,9 @@ run these steps:
 <var>target</var> with null, null, null, <var>addedNodes</var>, <var>removedNodes</var>,
 <var>previousSibling</var>, and <var>nextSibling</var>.
 
+<p class="note no-backref">Either <var>addedNodes</var> or <var>removedNodes</var>
+<a for=list>is not empty</a>.
+
 
 <h4 id=interface-mutationrecord>Interface {{MutationRecord}}</h4>
 

From 12285f104f4154ff9070e7be54f36df695635836 Mon Sep 17 00:00:00 2001
From: Alexey Shvayka <shvaikalesh@gmail.com>
Date: Wed, 22 Jan 2020 17:06:02 +0200
Subject: [PATCH 3/4] {added,removed}Nodes are sets

Co-Authored-By: Anne van Kesteren <annevk@annevk.nl>
---
 dom.bs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/dom.bs b/dom.bs
index 521f78fd..ddfd60a5 100644
--- a/dom.bs
+++ b/dom.bs
@@ -2604,7 +2604,7 @@ within a <var>parent</var>, run these steps:
  <li><p>If <var>node</var> is non-null, then <a for=/>insert</a> <var>node</var> into
  <var>parent</var> before null with the <i>suppress observers flag</i> set.
 
- <li><p>If either <var>addedNodes</var> or <var>removedNodes</var> <a for=list>is not empty</a>,
+ <li><p>If either <var>addedNodes</var> or <var>removedNodes</var> <a for=set>is not empty</a>,
  then <a>queue a tree mutation record</a> for <var>parent</var> with <var>addedNodes</var>,
  <var>removedNodes</var>, null, and null.
 </ol>

From de10bc3cabd4620805f3aa851b58ba3328e3c4f5 Mon Sep 17 00:00:00 2001
From: Alexey Shvayka <shvaikalesh@gmail.com>
Date: Wed, 22 Jan 2020 17:22:20 +0200
Subject: [PATCH 4/4] Turn "queue a tree mutation record" into an algorithm

---
 dom.bs | 13 ++++++++-----
 1 file changed, 8 insertions(+), 5 deletions(-)

diff --git a/dom.bs b/dom.bs
index ddfd60a5..e215ce07 100644
--- a/dom.bs
+++ b/dom.bs
@@ -3588,12 +3588,15 @@ run these steps:
 
 <p>To <dfn noexport>queue a tree mutation record</dfn> for <var>target</var> with
 <var>addedNodes</var>, <var>removedNodes</var>, <var>previousSibling</var>, and
-<var>nextSibling</var>, <a>queue a mutation record</a> of "<code>childList</code>" for
-<var>target</var> with null, null, null, <var>addedNodes</var>, <var>removedNodes</var>,
-<var>previousSibling</var>, and <var>nextSibling</var>.
+<var>nextSibling</var>, run these steps:
 
-<p class="note no-backref">Either <var>addedNodes</var> or <var>removedNodes</var>
-<a for=list>is not empty</a>.
+<ol>
+ <li><p>Assert: either <var>addedNodes</var> or <var>removedNodes</var> <a for=set>is not empty</a>.
+
+ <li><p><a>Queue a mutation record</a> of "<code>childList</code>" for <var>target</var> with
+ null, null, null, <var>addedNodes</var>, <var>removedNodes</var>, <var>previousSibling</var>,
+ and <var>nextSibling</var>.
+</ol>
 
 
 <h4 id=interface-mutationrecord>Interface {{MutationRecord}}</h4>