<form method="POST">
  <div>
    <label for="filename">filename</label>
    <input type="txt" name="filename" id="filename" value="{{filename}}" readonly>
  </div>
  <div >
    <input type="checkbox" name="is_bin" id="is_bin" value="true" checked hidden>
  </div>
  <div>
    <input type="checkbox" name="is_private" id="is_private" value="true"{{#is_private}} checked{{/is_private}}>
    <label for="is_private">private file</label>
  </div>
  <div>
    <input type="checkbox" name="is_temp" id="is_temp" value="true"{{#is_temp}} checked{{/is_temp}}>
    <label for="is_temp">temp file</label>
  </div>
  <div>
    <input type="submit" value="Update" formaction="/txt/edit">
    <input type="submit" value="Delete" formaction="/txt/delete">
  </div>
</form>