+ <li>
+ <label for="option_layer">Layer</label>
+ <input id="option_layer" name="layer" placeholder="e.g. address,poi,railway,natural,manmade"
+ value="{api_request_params.layer || ''}"
+ data-api-param="layer" on:change={set_api_param}
+ class="form-control form-control-sm d-inline w-auto api-param-setting">
+ </li>