469
469
// Also note that the node that we use for "address base" would change during backtracking.
470
470
var addrStart = this._Range.startContainer ;
471
471
var addrEnd = this._Range.endContainer ;
474
474
bookmark.Start[0] += curStart.length ;
476
476
curStart = curStart.previousSibling ;
480
480
bookmark.End[0] += curEnd.length ;