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TITLE		Sort tree by other tree

OCCURRENCE	ARB_NT/Tree/Beautify tree/By other tree

DESCRIPTION     Works similar to LINK{resorttree.hlp}, but here branches are rearranged
		according to the mean position of their leafs in another given tree.

		Select the tree you want to use as reference for ordering,
		then click 'Sort according to source tree' to apply the order to
		the currently displayed tree (target tree).

NOTES		This also works fine when the source tree DOES NOT contain all species
		of the target tree. Wherever the source tree does not define any ordering,
		the order of the target tree is kept.

		This function is e.g. useful after you have added some species to a (copy of a)
		tree and then have optimized the tree: now you may want to sort the copied tree
		according to the original tree. That reduces the unwanted re-ordering caused by
		tree-optimization, without affecting the topology.

		If you call the function several times with different source trees, the last
		call will be most dominant. Ordering effects of foregoing calls will
		remain in tree-regions uncovered by source-trees used in subsequent calls.		

EXAMPLES	None

WARNINGS	None

BUGS		No bugs known
