gariknyazev

//Range definition https://www.w3.org/TR/DOM-Level-2-Traversal-Range/ranges.html
function visitTextNodesInRange(range, visitor) {
  
  var reachedStartNode = false, reachedEndNode = false,
      startContainer = range.startContainer, endContainer = range.endContainer,
      startOffset = range.startOffset, endOffset = range.endOffset;
  
  var visitNode = function (node, visitor) {
    var isTextNode = node.nodeType === Node.TEXT_NODE;