   new Trix.Document blocks
 
 blockComment = "<!--block-->"
+cursorTarget = """<span data-trix-cursor-target="true" data-trix-serialize="false">#{Trix.ZERO_WIDTH_SPACE}</span>"""
 
 @fixtures =
   "bold text":

    text = Trix.Text.textForAttachmentWithAttributes(attachment)

    image = Trix.makeElement("img", src: attrs.url)

    figure = Trix.makeElement
      tagName: "figure"

    caption = """<figcaption>#{attrs.filename}<span class="size">#{attrs.filesize}</span></figcaption>"""
    figure.innerHTML = caption

    html: """<div>#{blockComment}#{cursorTarget}#{link.outerHTML}#{cursorTarget}</div>"""
    document: new Trix.Document [new Trix.Block text]

  "nested quote and code formatted block":
