more fixups

dom.bs

@@ -5005,8 +5005,8 @@ known as <dfn export id=concept-document lt="document">documents</dfn>.
 <a for=/>encoding</a>, <a for=Document>content type</a> is
 "<code>application/xml</code>", <a for=Document>URL</a> is "<code>about:blank</code>",
 <a for=Document>origin</a> is an <a>opaque origin</a>,
-<a for=Document>type</a> is "<code>xml</code>", <a for=Document>mode</a> is "<code>no-quirks</code>",
-and <a for=Document>allow declarative shadow roots</a> is false.
+<a for=Document>type</a> is "<code>xml</code>", <a for=Document>mode</a> is
+"<code>no-quirks</code>", and its <a for=Document>allow declarative shadow roots</a> is false.
 
 <p>A <a>document</a> is said to be an <dfn export>XML document</dfn> if its <a for=Document>type</a>
 is "<code>xml</code>"; otherwise an <dfn export>HTML document</dfn>. Whether a <a>document</a> is an
@@ -6890,9 +6890,10 @@ are:
 <p>The <dfn method for=Element><code>attachShadow(<var>init</var>)</code></dfn> method steps are:
 
 <ol>
- <li><p>Run <a>attach a shadow root</a> with <a>this</a>, <var>init</var>["{{ShadowRootInit/mode}}"],
- <var>init</var>["{{ShadowRootInit/clonable}}"], <var>init</var>["{{ShadowRootInit/delegatesFocus}}"],
- and <var>init</var>["{{ShadowRootInit/slotAssignment}}"].
+ <li><p>Run <a>attach a shadow root</a> with <a>this</a>,
+ <var>init</var>["{{ShadowRootInit/mode}}"], <var>init</var>["{{ShadowRootInit/clonable}}"],
+ <var>init</var>["{{ShadowRootInit/delegatesFocus}}"], and
+ <var>init</var>["{{ShadowRootInit/slotAssignment}}"].
 
  <li><p>Return <a>this</a>'s <a for=Element>shadow root</a>.
 </ol>
@@ -6907,8 +6908,8 @@ a boolean <var>delegatesFocus</var>, and a boolean <var>slotAssignment</var>:
  <li><p>If <var>element</var>'s <a for=Element>namespace</a> is not the <a>HTML namespace</a>,
  then <a>throw</a> a "{{NotSupportedError!!exception}}" {{DOMException}}.
 
- <li><p>If <a>this</a>'s <a for=Element>local name</a> is not a <a>valid shadow host name</a>, then
- <a>throw</a> a "{{NotSupportedError!!exception}}" {{DOMException}}.
+ <li><p>If <var>element</var>'s is not a <a>valid shadow host name</a>, then <a>throw</a> a
+ "{{NotSupportedError!!exception}}" {{DOMException}}.
 
  <li>
  <p>If <var>element</var>'s <a for=Element>local name</a> is a <a>valid custom element name</a>, or
@@ -6933,11 +6934,12 @@ a boolean <var>delegatesFocus</var>, and a boolean <var>slotAssignment</var>:
  <li><p>If <var>element</var>'s <a for=Element>shadow root</a>'s <a for=ShadowRoot>declarative</a>
  is false, then <a>throw</a> an "{{NotSupportedError!!exception}}" {{DOMException}}.
 
- <li><p>Otherwise, <a for=/>remove</a> all of <var>element</var>'s
- <a for=Element>shadow root</a>'s <a>children</a>, in <a>tree order</a>, and return.
+ <li>
+ <p>Otherwise, <a for=/>remove</a> all of <var>element</var>'s <a for=Element>shadow root</a>'s
+ <a>children</a>, in <a>tree order</a>, and return.
 
- <p class=note>This means that if multiple declarative shadow roots are contained within a single
- shadow host, only the last one will remain.
+  <p class=note>This means that if multiple declarative shadow roots are contained within a single
+  shadow host, only the last one will remain.
  </ol>
 
  <li><p>Let <var>shadow</var> be a new <a for=/>shadow root</a> whose <a for=Node>node document</a>
@@ -6946,8 +6948,8 @@ a boolean <var>delegatesFocus</var>, and a boolean <var>slotAssignment</var>:
 
  <li><p>Set <var>shadow</var>'s <a for=ShadowRoot>delegates focus</a> to <var>delegatesFocus</var>.
 
- <li><p>If <a>this</a>'s <a for=Element>custom element state</a> is "<code>precustomized</code>" or
- "<code>custom</code>", then set <var>shadow</var>'s
+ <li><p>If <var>element</var>'s <a for=Element>custom element state</a> is
+ "<code>precustomized</code>" or "<code>custom</code>", then set <var>shadow</var>'s
  <a for=ShadowRoot>available to element internals</a> to true.
 
  <li><p>Set <var>shadow</var>'s <a for=ShadowRoot>slot assignment</a> to <var>slotAssignment</var>.