code: function addSiblings(siblings, nodes) {
      var length = siblings.length
      var index = -1
      var sibling
  
      while (++index < length) {
        sibling = siblings[index]
  
        if (sibling.type === 'text') {
          addText(sibling.value, nodes)
        } else {
          nodes.push(sibling)
        }
      }
    }
docs: Add siblings.