Found the following HTML validation problems:
hc_add_dependency_fa.html:54:1 (hc_add_dependency_fa.Rd:18): Warning: missing </ul> before </div>
hc_add_series.character.html:58:1 (hc_add_series.character.Rd:17): Warning: missing </ul> before </div>
hc_add_series.data.frame.html:68:1 (hc_add_series.data.frame.Rd:21): Warning: missing </ul> before </div>
hc_add_series.density.html:55:1 (hc_add_series.density.Rd:14): Warning: missing </ul> before </div>
hc_add_series.forecast.html:80:1 (hc_add_series.forecast.Rd:31): Warning: missing </ul> before </div>
hc_add_series.geo_json.html:62:1 (hc_add_series.geo_json.Rd:19): Warning: missing </ul> before </div>
hc_add_series.lm.html:85:1 (hc_add_series.lm.Rd:38): Warning: missing </ul> before </div>
hc_add_series.numeric.html:55:1 (hc_add_series.numeric.Rd:14): Warning: missing </ul> before </div>
hc_add_series.ts.html:55:1 (hc_add_series.ts.Rd:14): Warning: missing </ul> before </div>
hc_add_series.xts.html:62:1 (hc_add_series.xts.Rd:19): Warning: missing </ul> before </div>
hc_motion.html:59:1 (hc_motion.Rd:16): Warning: missing </ul> before </div>
hc_rm_series.html:50:1 (hc_rm_series.Rd:12): Warning: missing </ul> before </div>
hciconarray.html:66:1 (hciconarray.Rd:20): Warning: missing </ul> before </div>
hcpxy_add_point.html:81:1 (hcpxy_add_point.Rd:35): Warning: missing </ul> before </div>
hcpxy_add_series.html:54:1 (hcpxy_add_series.Rd:14): Warning: missing </ul> before </div>
hcpxy_loading.html:51:1 (hcpxy_loading.Rd:13): Warning: missing </ul> before </div>
hcpxy_redraw.html:46:1 (hcpxy_redraw.Rd:10): Warning: missing </ul> before </div>
hcpxy_remove_point.html:62:1 (hcpxy_remove_point.Rd:20): Warning: missing </ul> before </div>
hcpxy_remove_series.html:55:1 (hcpxy_remove_series.Rd:15): Warning: missing </ul> before </div>
hcpxy_set_data.html:82:1 (hcpxy_set_data.Rd:34): Warning: missing </ul> before </div>
hcpxy_update.html:50:1 (hcpxy_update.Rd:12): Warning: missing </ul> before </div>
hcpxy_update_point.html:60:1 (hcpxy_update_point.Rd:18): Warning: missing </ul> before </div>
hcpxy_update_series.html:56:1 (hcpxy_update_series.Rd:16): Warning: missing </ul> before </div>
highchart.html:86:1 (highchart.Rd:36): Warning: missing </ul> before </div>
highchartOutput.html:58:1 (highchartOutput.Rd:20): Warning: missing </ul> before </div>
highchartProxy.html:52:1 (highchartProxy.Rd:14): Warning: missing </ul> before </div>
is.highchart.html:46:1 (is.highchart.Rd:10): Warning: missing </ul> before </div>
random_id.html:50:1 (random_id.Rd:12): Warning: missing </ul> before </div>
renderHighchart.html:58:1 (renderHighchart.Rd:20): Warning: missing </ul> before </div>