Buggy code before fix would insert blockquote after body element in second paste
| <html>
|   <head>
|     "

"
|     <style>
|       "
.editing { 
    word-wrap: break-word; 
    -khtml-nbsp-mode: space; 
    -khtml-line-break: after-white-space;
}
"
|     "

"
|     <title>
|       "Editing Test"
|     " 
"
|   " 
"
|   <body>
|     class="editing"
|     contenteditable=""
|     id="test"
|     "
"
|     <div>
|       "foo"
|       <blockquote>
|         "bar"
|       "bazfoo"
|     <blockquote>
|       "bar"
|     "baz<#selection-caret>

"
|     <script>
|       src="../../resources/dump-as-markup.js"
|     "
"
|     <script>
|       "
    document.execCommand("SelectAll");
    document.execCommand("Cut");
    document.execCommand("Paste");
    document.execCommand("Paste");
    Markup.description("Buggy code before fix would insert blockquote after body element in second paste");
    Markup.dump();
"