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#Please insert up references in the next lines (line starts with keyword UP)
UP arb.hlp
UP glossary.hlp
UP mode.hlp
#Please insert subtopic references (line starts with keyword SUB)
#SUB subtopic.hlp
# Hypertext links in helptext can be added like this: LINK{ref.hlp|http://add|bla@domain}
#************* Title of helpfile !! and start of real helpfile ********
TITLE SET ROOT MODE
OCCURRENCE ARB_NT and ARB_PARSIMONY: <S.ROOT> button in the left column
F8 on keyboard
DESCRIPTION The 'SET ROOT MODE' allows to position the root of the displayed
tree to any of the edges.
Click on the <S.ROOT> button to activate the 'SET ROOT MODE'.
Set the root:
Move the cursor to any position along the desired edge
and click on the left mouse button.
Use the right mouse button to search an optimal root, minimizing the
distance to the farthest leaf on each side of the root.
NOTES Short descriptions of the 'MODE' and the functions assigned
to the mouse buttons are given in the fourth line of the
'ARB_NT' window.
The root is always placed to the middle of the edge.
EXAMPLES None
WARNINGS None
BUGS No bugs known
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