Friker/alg-vis — comment on commit 5cd53fe8f5846101f6623d65ef97164ef8220f2c
File:  line 0
By kuk0:

* don't cut and re-link a son of a root [this only moves it to the end of the list of children; in real implementation you wouldn't care about this, but it would be nicer if after you compress *all* the paths, nothing changes any more]