text: const puppeteer = require('puppeteer');
  
  (async() => {
  const browser = await puppeteer.launch();
  const page = await browser.newPage();
  await page.goto('http://127.0.0.1:4000/harpokration/index-dynamic.html', {waitUntil: 'networkidle2'});
  await page.waitForSelector('#urn_cts_greekLit_tlg1389_tlg001_dc3_ψιθυριστής_ἑρμῆς');
  var valid_urns = await page.evaluate(() => document.getElementById('valid_urns').outerHTML);
  const fs = require('fs');
  var ws = fs.createWriteStream(
  	'valid_urns.html'
  );
  ws.write(valid_urns);
  ws.end();
  await browser.close();
  })();
  