document.addEventListener('DOMContentLoaded', function () {
    document.querySelectorAll('p').forEach(paragraph => {
      Array.prototype.slice.call(paragraph.childNodes, 0)
      .filter(child => child.nodeType === Node.TEXT_NODE)
      .forEach(child => {
        let expression
        let string
        let that
        let sentence
        let sentences
        let phrases
        let replacement

        expression = {}

        expression.sentence = /(?:\S[^\!\?\.\r\n]+(?=[\!\?\.\n\r\s\S])(?!\s)[\!\?\.\S]*|[\.\!\?]+)/gm
        expression.phrase = /(\([^\)]+\)|^[A-Z]?[^,]+,|^[A-Z]?\S+\s*\S+|\S+\s+\S+$|\S+([\.\!\?]*$)?)/gm

        string = child.textContent.replace(/(\s){2,}/g, '$1')
        sentences = []

        while ((that = expression.sentence.exec(string))) {
          phrases = that.shift().trim().match(expression.phrase)
          sentence = phrases.map(phrase => phrase.replace(/ /g, '\u00A0')).join(' ')
          sentences.push(sentence)
        }

        child.textContent = sentences.join(' ')
      })
    })
  })