#Please insert up references in the next lines (line starts with keyword UP)
UP	arb.hlp
UP	glossary.hlp
UP	pars.hlp
UP	mode_kernlin.hlp
UP	mode_optimize.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		Nearest Neighbour Interchange

OCCURRENCE	ARB_PARSIMONY/<NNI mode button>

DESCRIPTION	Searches for a better (more parsimonious) tree by swapping the
		relative positions of subtrees separated by not more than one
		edge.

NOTES		The current parsimony value (number of base changes needed) is
		displayed after the 'Current Par' prompt in the upper part of
		the 'ARB_PARSIMONY' window and the 'Message' window (pops up
		while calculating).

		One cycle of swapping is performed.

EXAMPLES	None

WARNINGS	None

BUGS		No bugs known