#NEXUS

begin taxa;
	dimensions ntax=3;
	taxlabels taxon_1 taxon_2 taxon_3;
end;

['Characters' block from Maddison et al. 1997, p. 603 right column, above]
[except that this file has single-quotes around the symbols list]

begin characters;
dimensions nchar=9;
format symbols='- + x';
matrix
 taxon_1 {-+}(+-)+---+--
 taxon_2 +x-++--+x
 taxon_3 -++++--+x;
end;