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#Please insert up references in the next lines (line starts with keyword UP)
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#Please insert subtopic references (line starts with keyword SUB)
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# Hypertext links in helptext can be added like this: LINK{ref.hlp|http://add|bla@domain}
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#************* Title of helpfile !! and start of real helpfile ********
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OCCURRENCE ARB_NT and ARB_PARSIMONY: <S.ROOT> button in the left column
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DESCRIPTION The 'SET ROOT MODE' allows to position the root of the displayed
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tree to any of the edges.
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Click on the <S.ROOT> button to activate the 'SET ROOT MODE'.
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Move the cursor to any position along the desired edge
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and click on the left mouse button.
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Use the right mouse button to search an optimal root, minimizing the
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distance to the farthest leaf on each side of the root.
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NOTES Short descriptions of the 'MODE' and the functions assigned
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to the mouse buttons are given in the fourth line of the
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The root is always placed to the middle of the edge.