.length + " lines, " + Math.round(node.height) + " px";
      var lines = out.appendChild(document.createElement("div"));
      lines.style.lineHeight = "6px"; lines.style.marginLeft = "10px";
      for (var i = 0; i < node.lines.length; ++i) {
        var line = node.lines[i], lineElt = lines.appendChild(document.createElement("div"));
        lineElt.className = "lineblock";
        var gray = Math.min(line.text.length * 3, 230), col = gray.toString(16);
        if (col.length == 1) col = "0" + col;
     