docs: function makeTranslation (original, replacement) {
      let translation = new Map()
      Array.prototype.forEach.call(original, function setMap (source, index) {
        translation.set(source, replacement[index] || '')
      })
  
      return function (string) {
        return Array.prototype.map.call(string, function replace (ch) {
          return translation.has(ch) ? translation.get(ch) : ch
        }).join('')
      }
    }