It should be noted that forFor the convenience of explanation this step doesn't exactly follow Vitter's algorithm,<ref name=":0">{{cite web|url=http://www.cs.duke.edu/csed/curious/compression/adaptivehuff.html#tree |title=Adaptive Huffman Coding |publisher=Cs.duke.edu |date= |accessdate=2012-02-26}}</ref> but the effects are equivalent.
