kludge to fix draw.tree; tree defines a leafparser which expects two arguments, while draw.tree passed it a lambda expression with just a single argument, so I added a dummy second argument to draw.tree's lambda expressions
kludge to fix draw.tree; tree defines a leafparser which expects two arguments, while draw.tree passed it a lambda expression with just a single argument, so I added a dummy second argument to draw.tree's lambda expressions


svn/trunk@2140

nltk/nltk,nltk/nltk,nltk/nltk