Add a note to clarify replaceWith(). Fixes #48.

dom.bs

@@ -2154,8 +2154,11 @@ when invoked, must run these steps:
  <li><p>Let <var>node</var> be the result of
  <a>converting <var>nodes</var> into a node</a>.
 
- <li><p>If <a>context object</a>'s <a>parent</a> is <var>parent</var>, <a>replace</a> the
- <a>context object</a> with <var>node</var> within <var>parent</var>.
+ <li>
+  <p>If <a>context object</a>'s <a>parent</a> is <var>parent</var>, <a>replace</a> the
+  <a>context object</a> with <var>node</var> within <var>parent</var>.
+
+  <p class=note><a>Context object</a> could have been inserted into <var>node</var>.
 
  <li><p>Otherwise, <a>pre-insert</a> <var>node</var> into <var>parent</var> before
  <var>viableNextSibling</var>.
@@ -3522,11 +3525,9 @@ dom-Range-extractContents, dom-Range-cloneContents -->
  <li>Return <var>copy</var>.
 </ol>
 
-The
-<dfn method for=Node>cloneNode(<var>deep</var>)</dfn>
-method must return a <a lt="clone a node">clone</a> of the
-<a>context object</a>, with the <i>clone children flag</i> set
-if <var>deep</var> is true.
+The <dfn method for=Node><code>cloneNode(<var>deep</var>)</code></dfn> method, when
+invoked, must return a <a lt="clone a node">clone</a> of the <a>context object</a>, with
+the <i>clone children flag</i> set if <var>deep</var> is true.
 
 A <a>node</a> <var>A</var>
 <dfn export for=Node id=concept-node-equals>equals</dfn> a <a>node</a>
@@ -4576,7 +4577,7 @@ Note: No check is performed that <var>data</var> consists of
 characters that match the <a type>Char</a> production
 or that it contains two adjacent hyphens or ends with a hyphen.
 
-The <dfn method for=Document>createProcessingInstruction(<var>target</var>, <var title>data</var>)</dfn> method must run these steps:
+The <dfn method for=Document>createProcessingInstruction(<var>target</var>, <var>data</var>)</dfn> method must run these steps:
 
 <ol>
  <li>If <var>target</var> does not match the
@@ -4953,7 +4954,7 @@ method must run these steps:
 </ol>
 
 The
-<dfn method for="DOMImplementation"><code>createHTMLDocument(<var>title</var>)</code></dfn>
+<dfn method for=DOMImplementation><code>createHTMLDocument(<var>title</var>)</code></dfn>
 method, when invoked, must run these steps:
 
 <ol>
@@ -6971,13 +6972,9 @@ method must run these steps:
 </ol>
 
 
-The
-<dfn method for=Range>collapse(<var>toStart</var>)</dfn>
-method must if <var>toStart</var> is true, set
-<a>end</a> to
-<a>start</a>, and set
-<a>start</a> to
-<a>end</a> otherwise.
+The <dfn method for=Range><code>collapse(<var>toStart</var>)</code></dfn> method, when
+invoked, must if <var>toStart</var> is true, set <a>end</a> to <a>start</a>, and set
+<a>start</a> to <a>end</a> otherwise.
 
 To <dfn export id=concept-range-select for=Range>select</dfn> a <a>node</a>
 <var>node</var> within a <a>range</a>
@@ -7777,13 +7774,9 @@ To <dfn export id=concept-range-insert for=Range>insert</dfn> a <a>node</a>
  of <var>node</var> into <var>parent</var> before
  <var>referenceNode</var>.
 
- <li>If <var>range</var>'s <a>start node</a>
- is a {{Text}} <a>node</a>,
- <a lt="split a Text node">split</a> it with offset
- <var>range</var>'s <a>start offset</a>,
- set <var>referenceNode</var> to the result, and set
- <var>parent</var> to <var>referenceNode</var>'s
- <a>parent</a>.
+ <li>If <var>range</var>'s <a>start node</a> is a {{Text}} <a>node</a>, set
+ <var>referenceNode</var> to the result of <a lt="split a Text node">splitting</a> it with
+ offset <var>range</var>'s <a>start offset</a>.
 
  <li>If <var>node</var> equals <var>referenceNode</var>, set
  <var>referenceNode</var> to its