+ CHANGES IN APE VERSION 2.8
+
+
+NEW FEATURES
+
+ o ltt.plot() has two new options: backward and tol. It can now
+ handle non-ultrametic trees and its internal coding has been
+ improved. The coordinates of the plot can now be computed with
+ the new function ltt.plot.coords.
+
+ o The new function ltt.coplot plots on the same scales a tree and
+ its LTT plot.
+
+
+
CHANGES IN APE VERSION 2.7-3